On the cover: Keith Spreuer’s
Subaru Powered Cozy.
Air Sports.— Ed Fisher tells the history behind Supervee
VW-powered race planes and how he’s bringing the sport back to the
1 Volkswagen Engines.— B.W. Stone covers
the construction of the 1835-cc Volkswagen engine he built for his
Volksplane VP-1 that appeared in CONTACT! Magazine issue #107, allowing
us to learn from his experiences. Chrysler’s 6.2L
Hellcat V8—707 Supercharged Horsepower.— Developed for the street, Chrysler converts a
robust iron-block truck engine into a high-power supercharged engine
that’s built to last.
Experimental Amateur-built Aircraft Operating
Limitations. — EAA answers a question sent by a member,
concerning aircraft operating limitations. We find that the answer is
self-explanatory. Reprinted by permission.
or AeroInjector?. — As a sidebar to B.W. Stone’s VW
engine article, he details the subtle differences between the two
billet aluminum carbs offered by AeroConversions LLC.
Powered Cozy.— Keith Spreuer tells his story of losing a
head gasket hundreds of miles from home and the way he went about the
PSRU.— Keith Spreuer details the modifications he had to
undertake with his orphaned Ross PSRU, keeping it running.
Alternative Engine Round-up, French Valley California.—
Once again we’re planning to host our annual gathering Saturday,
September 24, 2016. Please join us at the French Valley Airport near
Temecula California! The fine people from EAA Chapter 1279 have again
offered to cohost our annual fly-in.
ISSUE 109 Fall/Winter 2014 Spring 2015 Mailed August 2015
Pete Plumb’s Pegasus DP-1 O-100
Prototype.— CONTACT! Magazine’s editor, Patrick Panzera
had the pleasure of meeting Pete Plumb at EAA AirVenture 2012 and has
followed his progress creating his O-100, a half O-200 that uses O-200
Flying the Thatcher CX4 and CX5 Prototypes.—
CONTACT! Magazine’s editor Patrick Panzera spent a winter weekend in
Pensacola Florida test flying both the well proven Thatcher CX4 and the
newest addition, the two-place Thatcher CX5.
Ford Coyote 5.0L (302 cubic inches) 412 HP
Crate Engine.— Another fire-breathing V8 crate engine
that should make a great auto conversion for experimental aircraft.
2014. — Richard Lewis became the proverbial “fly on the
wall” during a dispute between officials and a pilot who was
disqualified. His report on this is certainly newsworthy.
12th Annual Alternative Engine Round-Up—
The fine people from EAA Chapter 1279 have stepped up and offered to
cohost our annual fly-in. This years event will be held on Saturday,
September 26th, at the French Valley Airport near Temecula California.
On the cover: A 12-year-old passenger gets
her first aerial view of the Brodhead Wisconsin countryside from the
front cockpit of Dan Helsper's beautiful Ford A powered Air
Camper during the 2012 Pietenpol fly-in. Photo by Jon Apfelbaum Dan
Helsper’s Ford A Powered Pietenpol.— Oscar Zuniga introduces us to a
special Pietenpol built by Dan Heslper, who did his best to stick to
the plans wherever practical, including the engine.
Ol’ Tattered Wingtips.— Pietenpol patriarch Donald “Doc”
Mosher tells of some of the inside tips that help fill in the gaps left
out of the various Pietenpol plan sets currently available.
Got Gas?— Steve Williamson, President of EAA
Chapter 1279 based at French Valley Airport, gives us a
little insight into the traps that can arise when building a plane as a
chapter, and details the fuel system in the Pietenpol they built.
1937 Pietenpol Air
Camper NX308MB— Gary Boothe shares hisstory of building this simple yet elegant
version of Bernard Pietenpol’s Corvair-powered Air Camper, as a tribute
to his father.
Greg Bacon’s Turbo Subaru
EA-82T Pietenpol Air Camper— Oscar Zuniga presents the
tale of “Mountain Piet,” a straightforward incarnation designed to be
flown from a field in Colorado with a summertime density altitude
approaching 11,000 feet. Chris
Rousch’s “MitsuPIETshi” Air Camper— Oscar Zuniga
highlights some of the many details that makes this Air Camper unique,
including the Mitsubishi forklift engine that was overhauled before
being adapted to its new chore of powering a classic bird. 11th
Annual Alternative Engine Round-Up— The fine people from
EAA Chapter 1279 have stepped up and offered to cohost our annual
fly-in. This years event will be held on Saturday, September 27th, at
the French Valley Airport near Temecula California.
On the cover:The Thatcher CX5 prototype right at the 40 hour
mark during FAA Phase 1 flight testing. Pilot: Glen Bradley.
Photographer: Sheldon Heatherington. Photo plane pilot: Jim WilsonPhoto
plane: Legend Cub. Introducing the Thatcher CX5.— Dr. Glen Bradley tells of his experiences
helping David Thatcher build the prototype and flying the FAA Phase 1
flight testing. Ben Stone’s Volksplane.— B. W. Stone brings us his perspective on the
single-seat Volksplane, outlining both its good and bad qualities as he
answers the question, why (or why not) the Volksplane?
The Volksplane?— In this sidebar, B. W. Stone lists the
reasons he decided to build his Volksplane.
The Volksplane.— Helpful hints for Volksplane builders.
Through the build process, B. W. Stone developed some interesting ways
to create a better finished product and he shares some of these ideas
The E-MAG “P”
Model.— Jeff Scott and CONTACT! Magazine Associate
Editor Oscar Zuniga introduce us to an electronic magneto replacement
for certified-type aircraft engines, complete with an operational
report conducted on an O-200 powered KR-2S
On the cover:Terry
Kronk's 530 hp GM LS-6 powered, two-seat, all
aluminum, scratch-built 80% scale CA-18 (Aussie-built NAA
P-51D), Gatton Airpark, Gatton, Queensland, just outside Brisbane
Australia. Photo: Christine Gray
Remembering Mick Myal.— This
issue is dedicated to the memory of our founding editor and publisher,
Terry Kronk’s P-51D Mustang Replica.—
Martin Hone tells the story of an incredible builder and the various
projects he’s completed, spotlighting this beautiful Mustang.
Shakin’?— Oscar Zuniga shows us the DynaVibe, an
economical, state-of-the-art dynamic propeller balancer designed
specifically for the aircraft industry.
Direct Injection, Turbocharged Cadillac ATS Engine.— A
new high-performance 2.0 liter turbocharged four-cylinder engine (2.0T)
debuted in the all-new 2013 Cadillac ATS compact luxury sedan, and it
might be a good candidate for conversion with its 272 hp @ 5500 rpm and
260 lb-ft of torque @ 1700 rpm.
Successful V8-Powered Reno Racer.—
Jack Kane, the CEO of EPI Inc. helps get reliable V8 power to the front
of this beautiful, purpose-built race-plane.
Drives Moves Forward.— Stuart Davis has picked up where
the late Bud Warren left off, returning the Geared Drives PSRU to
market, but with substantial improvements.
Mission Accomplished!.— Len Bechtold brings to life the
sights and sounds of the 2012 Reno National Championship Air Races.
PHANTOM and the Elippse Propeller.— Len Bechtold reports
on the current state of affaires of the award-winning Phantom biplane
and its super-efficient Elippse propeller.
Magazine’s Alternative Engines Volume 4.— 10 years in
the making, the fourth in our series of authoritative books is almost
ready to deliver. We just need a little help from our friends!
Goodbye to John Moyle.— William Wynne helps to heal the
sorrow felt at CONTACT! Magazine headquarters, as we say goodbye to our
vibrant supporter– Associate Editor John P. Moyle.
On the cover:Andrew
Elliott in his CH601XL over the Salt River in the Tonto National
Forest. Photo was shot by Zeigh Owensby from the back seat of N566U, an
RV-8 built and flown by Ron Smith.
500 Hours Flying Behind A
Corvair.— Andrew Elliott tells the story behind
deciding to build an experimental aircraft, what drove him to choose
the CH601, and why he installed a Corvair— and all the fun he’s had
with it thus far.
Planning and Executing a
Professional First Flight.— William Wynne outlines a
solid plan to help us complete our first flight professionally and
I Flight Testing Like A Professional.— Andrew Elliot
spells out the keys to a successful flight test regime, and includes
worksheets along with tips from his test period.
Change in Perspective; From Homebuilder to Pilot.— Phil
Maxson tells of the joys of bringing his creation to life and proving
that it’s more than a dream to fly something he built with his hands.
Out.— Louis Kantor, as a CFI and a homebuilder who found
himself in need of a check out, makes the argument for getting
time-in-type before flying your new homebuilt for the first time.
on a Decade of Corvair Powered Zeniths.— William Wynne
makes an interesting observation as to why many airframe manufacturers
seem to be against alternative engines.
Heintz: Designing the Future of Experimental Aviation for Forty Years.—
Jim Cavanagh pays homage to Chris Heintz in this short biography that
tells the story of Zenith Aircraft Company and the aircraft plans and
Flying On Your Own Wings, By Chris Heintz.— John Moyle
gives us a brief look at the semi-autobiographical, but mostly
technical writing designed for the first-time airplane designer to
design, build and fly a unique experimental aircraft.
ISSUE 104.5 SPECIAL
Revmaster R-3000 Engine.— 15 years in the making, this new engine is about to
hit the market and take the 100 hp engine genre by storm. By John P
Meet Joe Horvath. — A brief sidebar on Joe
and his background with the VW engine. By John P Moyle
RevFlow: Innovations and Improvements. — Descriptions
and details of the inner-workings of the RevFlow variabl-jet, injector
carburetor. By Joe Horvath.
Revmaster R-2300 Conversion. —
The fine peopleat Revmaster Aviation have done it again, increasing the
bore and stroke of their renown R-2100 to up the horsepower safely
Motor Glider to Paraguay, 8,000 Miles Behind A Turbo-Revmaster. —
Jack Lambie tells his tale of an epic 8,000 mile flight from Southern
California to Asuncion, Paraguay, to deliver a newly hatched motor glider,
powered by a turbo-normalized 80 hp Revmaster-2100DT that includes an aluminum
On the cover:Bruce
King in his BK1 prototype, now set for plans delivery.
BK1– Don’t Give Up Your Dreams.—
Bruce King describes the journey he took to arrive at a homebuilt
aircraft designed for those who want to have a fun yet affordable and
Chris Walterson’s Dragonfly C-FLYV.—
One of the original direct-drive, intercooled, turbocharged Subaru
engines to successfully fly has been humming away for 15 years. Chris
offers this update.
The New Skyactiv-D Diesel Engine from Mazda.—
Mazda does it again by developing a small, lightweight but powerful
diesel engine utilizing advanced technology. This time they’ve dropped
the compression ratio to 14:1 and eliminated a lot of weight in the
On the cover:Ben
Hass’ Zenith 801 on the ramp at Jackson Hole, Wyoming.
The Loss Of A Pioneer.— We say
goodbye to our good friends Budd Warren and his daughter Phyllis
Eggenfellner Gearbox Problems? Meet The
Alternative.— Optimistically written and submitted
before their passing, Bud Warren and Phyllis Ridings detail their 200Z
PSRU for Subaru.
Ben Hass’ Small Block Ford Powered Zenith CH
801.— Ben Hass has had great success with his
firewall-forward V8 installation in his first attempt to build an
experimental plane. Having overcome a failed PRSU, things are now
working well for him.
New Skyactiv Engine from Mazda.— Mazda does it again by
developing a small, lightweight but powerful engine utilizing advanced
technology. This time they’ve upped the compression ratio to 14:1 and
eliminated detonation with direct injection.
G10 Conversion For The BD-5.— Mark ter Keurs does an
excellent job describing what it takes to convert a normally aspirated
Suzuki three-cylinder engine into a turbocharged aircraft engine
suitable for the BD-5.
And The Propeller.— Written shortly before his passing,
Paul Lipps dispels the concern for air slowing down before reaching the
propeller, in both tractor and pusher aircraft.
Jaks Pober Junior Ace.— We caught up with Jake at Sun ‘n
Fun 2009 and bring you his story of building his Corvair powered Junior
Ace and the associated problem solving along the way.
Revmaster R-2300 Conversion.—
The fine people at Revmaster Aviation have done it again, increasing
the bore and stroke of their renown R-2100 to up the horsepower safely.
Talk On Tailwheels.— Scott Weinberg of Iron Design LLC
has paid a lot of attention to the mass production of a quality and
durable tailwheel assembly for the experimental market.
Propeller Blades: Number, Pitch and Planform.— Paul
Lipps expounds in great detail in an effort to describe his propeller
design theories in a simple manner. Also see issue number 88.5
Mailed on 3-12 2010
Fireworks: Commemorating our 100th issue and 20 years, 1990 - 2010. Announcing the 7th Annual Alternative
Engine Round-Up, Jean NV, March 26-28.— It's that time
again, time for CONTACT! Magazine’s annual gathering. Join us this year
for another outstanding weekend of good friends and experimental
Three-Rotor 20B RV-8.— Another successful rotary engine
installation by renowned rotary guru, Tracy Crook.
Sturgill’s Personal Cruiser, Part III.— The third in the
series of brief articles detailing Bruce’s progress as he “beta-builds”
his Personal (Corvair) Cruiser.
Short Thoughts About Supercharging.— Paul Lipps asks and
answers some simple questions about forced induction. The Artwork of Jim
Miller’s 4.3L Chevrolet V-6 Powered RV-6A.— Stan Pitts
updates us with this success story, detailing the complete disassembly
and rebuild of the engine and PSRU, finding very little that needs
replacing. Geared Drives New Subaru Redrive.—
Phyllis Ridings reports on Bud Warren’s latest developments with his
newest creation, a zero-offset drive, complete with its own oil pump
and the ability to accept a traditional prop governor.
Russell Sherwood’s Subaru EG-33 Powered
Glasair 1RG.— Russell Sherwood recounts his journey to a
successful auto conversion that took him through two PSRU’s and one
hurricane. His simple approach to the design of his cooling system is
quite revealing and somewhat amusing.
Scott Carter’s Xtra EZ.—
Starting with Cozy Mark 4 plans, and with a drive to keep everything as
“Rutan” as possible, while incorporating all the successful innovations
to come along during the 30+ years since the first set of EZ plans were
sold, Scott has created a beautiful and functional tribute to Burt
Mazda RENESIS 16X.— Details
from Mazda on their next generation rotary engine. This time it’s
Ken Lehman's Marcotte PSRU.—
Ken Lehman's Murphy Rebel appeared on the cover of issue 91. Ken has
sent us an update detailing his experience with the Marcotte PSRU and
the stock 1997 Subaru EJ22 powering it.
Revised 51 Percent Rule Good News for
Builders, Kit Makers.— Patrick Panzera reports on the
new 51 percent rule.
Subenews.— Peter Krok updates his progress with his Eggenfellner Subaru
On the cover: Scott Carter and Lynn Canatella pilot
Xtra EZ over the suburban area of Dallas TX. Photo by Jay C Harris COPPERSTATE;
Not too big, not too small.— Blatant support of our
favorite commercial fly-in, including a list of alternative engine
Danny Sorensen tells his story of bring a dream to reality. Not content
with his Pitts, Danny clean-slated a fully aerobatic biplane powered by
the Russian-built M14-P 9 cylinder radial engine, usually found on the
nose of a Yak.
Sadler Vampire Report.—
Despite the serious setback from the loss of their prototype, the new
Vampire is refined, sleeker, and now powered with a six-cylinder Jabiru.
We ask again, Will it Fly?—Scott Hinton.—
The newest member of the Board of Directors, Scott’s volunteer efforts
will aid in an administrative capacity, freeing your editor to be
creative and resourceful.
2010 General Motors LF1 3.0L Direct Injection
V6 VVT.— Direct injection and variable valve timing give
this all-aluminum, OHV four-valve-per-cylinder V6, 260 available ponies.
From the Desk of RotaMax President, Eric
Barger.— Straight from the source, Eric Barger explains
the current state of RotaMax and how the crash of the Sadler Vampire
prototype has affected them, including the full NTSB narrative of the
On the cover:Danny
Sorensen's BF9-2, piloted by Danny Sorensen, shot during AirVenture
2009 by EAA photographer Bonnie Kratz. COPPERSTATE;
Not too big, not too small.— Blatant
support of our favorite commercial fly-in, including a list of
alternative engine forum presentations.
BF9-2.— Danny Sorensen tells his story of bring
a dream to reality. Not content with his Pitts, Danny clean-slated a
fully aerobatic biplane powered by the Russian-built M14-P 9 cylinder
radial engine, usually found on the nose of a Yak.
Vampire Report.— Despite the serious setback from the
loss of their prototype, the new Vampire is refined, sleeker, and now
powered with a six-cylinder Jabiru.
again, Will it Fly?—Scott Hinton.— The newest member of
the Board of Directors, Scott’s volunteer efforts will aid in an
administrative capacity, freeing your editor to be creative and
General Motors LF1 3.0L Direct Injection V6 VVT.— Direct
injection and variable valve timing give this all-aluminum, OHV
four-valve-per-cylinder V6, 260 available ponies.
the Desk of RotaMax President, Eric Barger.— Straight
from the source, Eric Barger explains the current state of RotaMax and
how the crash of the Sadler Vampire prototype has affected them,
including the full NTSB narrative of the accident.
Propeller/Engine Balancing with the DynaVibe.—
Another great how-to from Mark Langford.
Leonard Brothers Thatcher CX4.—
Will and Phil Leonard share their experiences building identical
On the cover:David
Thatcher, designer of the Thatcher CX4, pilots serial number one over
Lake Hancock, FL during Sun 'n Fun 2008 while EAA Chief Photographer
Jim Koepnick squeezes the shutter. Photo plane pilot: Bruce Moore.
Thanks go to the EAA for allowing us to use this photo. Sadler
Vampire Update.— A brief update from the people at
Sadler Aircraft. We’ll have more on them after OSH– the promised Part
Stinson’s Thatcher CX4.— Pat Panzera introduces
the CX4 to CONTACT! readers in this article which will certainly not be
the last we hear from Thatcher.
Power and Torque.— Jack Kane offers a simple explanation
that horsepower and torque are not mutually exclusive. Far too many
people are under the wrong impression and we hope this fixes it.
Brake Mean Effective Pressure (BMEP) — Jack Kane, who
will become a regular contributor, shows a simple way to help separate
the wheat from the chaff when it comes to engine manufactures’ claims
Angle of Attack.— A how-to on building a simple device
that can help reduce the risk of inadvertent stall. A Vibration
Study of the Maxwell Propulsion MX1 Subaru Conversion Package.— Gwen
Maxwell chronicles the work MPS has done to reduce the effects of
torsional vibration using info found in issue #90 of CONTACT! Magazine.
First Alternative Engine Round-Up.— Gwen Maxwell reports
on her experience attending CONTACT! Magazine's annual fly-in event.
Geared Drives checks in. — Phyllis Ridings brings us up
to speed with the latest developments with their Subaru PSRU and their
RV-10 firewall forward package based on the Chevy LS series of engines.
Vampire LSA prototype as seen at SnF ‘08. Photo by Patrick Panzera,
artwork by Bruce Sturgill. Corvair
College Prep in Livermore. KITPLANES contributing
editor, Rick Lindstrom, reports on yet another Corvair engine workshop,
this time on the West Coast.
The NEW Sadler Vampire LSA, Part One.
We detail the history and heritage of the Sadler Vampire, as well as
the path to the newest offerings from Bill Sadler, specifically for the
light sport market.
Fire-Breathing LS9. GM knocks it out of the park once
again with their small-block jewel, pumping out 638 supercharged ponies
and still using pushrods and 16 valves.
Gasohol Good for Your Plane? Larry David reveals his
story on how he discovered damage to his fiberglass fuel tanks caused
by ethanol in his fuel, and the undiscovered spar damage.
from NZ, Mike Crene checks in. A brief report on the
Titan T-51 Kiwi Mustang, sporting a Suzuki V6.
Godfrey's Sonerai IIL. Roger Godfrey's story on engine
mods and new Riblett 35A415 wings with an additional 4’ span. Repairman
Certificate. Pat Panzera attempts to clear the air on what it takes to
certificate an amateur-built experimental, not built by the owner, by
reprinting a page from the EAA website.
Man’s Personal Skunk Works: A push-pull Zenith 801 ala Cessna 337?
Mike Francis is a dreamer and a doer. His proposal for a new design is
educational and entertaining.
Sportsman powered with their EJ25 Subaru conversion. Photo credit,
Patrick Panzera. Photo plane, RV7 built and piloted by Philip J Watson Maxwell Propulsion Systems, Inc.— Patrick Panzera visited the MPS
facility in Arlington WA in August ‘08 and writes of his impressions of
the company as it arises from the ashes of NSI.
Propulsion Systems, Inc.— Patrick Panzera visited the
MPS facility in Arlington WA in August ‘08 and writes of his
impressions of the company as it arises from the ashes of NSI.
What's a "Front Cover"?— When converting a Corvair
engine for aviation, it’s necessary to convert the bellhousing to
become what’s commonly referred to as the front cover. Patrick Panzera
gives a step-by-step on how to go about creating the part.
Mark Langford with William Wynne’s
Fifth Bearing.— Corvair aficionado Mark Langford reports
on his use of the prototype “fifth bearing” designed and built by
William Wynne as a solution to the crankshaft failure issues.
Mark Jones' Corvair Powered KR-2S and
the fifth bearing he chose to go with.— With more than
one way to skin a cat, Mark Jones solves his crank issues with a fifth
bearing similar yet different than William Wynne’s, created by Dan
Dan Weseman's Fifth Bearing.—
Dan Weseman reports on his development and the manufacturing of his
cure for the Corvair crank issues.
Roy Szarafinski’s Evolution of a
Corvair 5th Bearing.— Regular contributor Anthony J.
Liberatore visited Roy’s Garage and came back with a wealth of
knowledge concerning Roy’s answer to the Corvair crank issue plus
electronic fuel injection and electronic ignition.
Jon Finley, N314JF, Low Approach E80
May 24, 2008
Finley's Subar-Sonic Q2.— Jon Finley has a passion for
engines and it shows with his direct drive Subaru EJ22 installation in
On the cover: 5151 Builder - Glen Holder, KW-909
Builder - Jim Young. Photo credit: LeRoy Cook.
The Titan All-Metal P-51 Replica Kit:
How it’s Built and Ways To Power It. Len Bechtold expounds the virtues of
the Titan Aircraft’s T-51, 3/4 scale Mustang replica. This is the
second of two parts and it touches on some of the details concerning
construction and the engine options including the two different “Mini
Merlin” Suzuki V6.
All-Metal P-51 Replica Kit: How it’s Built and Ways To Power It. Len
Bechtold expounds the virtues of the Titan Aircraft’s T-51, 3/4 scale
Mustang replica. This is the second of two parts and it touches on some
of the details concerning construction and the engine options including
the two different “Mini Merlin” Suzuki V6.
Loehle 5151 Mustang:
TThe P-51 for Walter Mitty. Mike and Sandy Loehle report on their 3/4
scale wood and fabric replica kit, as well as their other warbird
offerings. Included in this article is information on their high-gloss
Sport Pilot in seven days: Our very own Nicholas Wood
tells us of his unofficial record-breaking accomplishment of receiving
his Sport Pilot certificate in seven days with 22 hours logged.
Wayne Sprigle’s Mite-T Mustang: How
one builder set out to build a P-51 replica on a budget, starting with
a set of plans for a wood and fabric Taylor Titch.
What is a Taylor Titch: We describe a little about the
history of the Titch and the Monoplane designed by the late John
Taylor, with permission from his son, Terry Taylor.
Last of a Generation: John Miller, 102, Passes away. We
say so long to a great friend of aviation and a fixture at the Replica
Fighters Headquarters at AirVenture.
On the cover: RotaMax two-rotor 1300 cc electronic
fuel injected engine. Photo is courtesy of RotaMax with the
artwork performed by Bruce Sturgill.
RotaMax. Pat Panzera
details virtually every aspect of this “new” rotary engine being
offered to the S-LSA and experimental, amateur-built markets. Utilizing
the Autoflight geared PSRU, this engine has a power-to-weigh ratio
that’s unrivaled with four-strokes.
The Titan All-Metal P-51 Replica Kit:
It Ships Complete and It’s Available – Really!!! Part 1.
Len Bechtold expounds the virtues of the Titan Aircraft’s T-51, 3/4
scale Mustang replica. This is the first of two parts and it touches on
some of the more basic details concerning the design, construction and
and Charlie Harber's GLASAIR II TDS. Pat Panzera
details the adventures of father and son team Perry and Charlie Harber
as they build a Glasair I using first a 3.8L Ford/Blanton conversion
and then a small block Chevy with a Geschwender geared PSRU and a
Bendix, aviation-style mechanical fuel injection system.
Plunkett's Subaru EJ25 powered Glasair I. Andrew does a
marvelous job describing the adventure undertook when he decided to use
an automobile engine with a Marcotte Redrive in his plane.
5th Annual Alternative Engine Round-Up, April 25-27, 2008 Jean Nevada. Patrick
Panzera invites you once again to attend this growing experimental
Get More Cooling Capacity From Your Radiator. More tips
and tricks of the trade from Bud Warren of Geared Drives, this time he
details just how to go about “splitting” a single-pass radiator and
converting it to either a double or triple-pass system.
The Raceair Designs 'Lil Bitts Biplane.
Award winning builder and designer Ed Fisher shows his one of his
latest creations. Tube Frames Go Digital.
Freelance writer David Hicks introduces Don VanRaay, the President of
Cartesian Tube Profiling and showcases his work with computerized tube
notching for the construction of tube frames of varying degrees of
difficulty, saving the average builder potentially hundreds of hours.
Perry Harber's extraordinary Chevy
powered Glasair II. High speed pass, video was made with a
still camera in video mode so the sound is horrible. Turn DOWN your
A Subaru Legacy with
Redundant EFI. Ken Lehman does an outstanding job
describing the redundant nature of the electrical systems installed in
his EJ22 powered Murphy Rebel. See issue #41.
EFI: For the Do-It-Yourself Builder.
Marcotte Redrive. A very brief
side piece with contact information. Also see issue #51 and 92
Airworthiness Information Bulletin alerts the operators
of airplanes powered by Volkswagen air-cooled engines of an
airworthiness concern where the engine loses power due to the loss of
cylinder head fastener torque.
One Believed That We Walked Away. Phyllis Ridings-Murawski of Geared
Drives, details the fiery loss of their Wheeler Auriga. Also see issue
Icing-- One More Time. Another great discussion on carb ice,
this time by Harry Hill of the Winnipeg Area RAA
Lipps Checks In
and gives us some stats on the performance with a recently installed
Elippse prop on an RV-6. Also see issue #88.5
to the Rotax 912 & 914 Engines. Don Parham of RFI Power Systems
compares the Rotax series of 80-115 hp engines to automobile
conversions available from the US market.
Redrives Checks In. By Jeron Smith. Raven Rotorcraft and
Redrives’s latest offering, a three-cylinder, 38-hp direct drive
COPPERSTATE to COPPERSTATE. Nicholas Wood tells
of his experiences during his first year working at CONTACT! Magazine.
Prop Balancer Revisited. John Steere takes the Paul Lipps
designed propeller balancer and adapts it for wheel balancing. See
Assist Program. Bruce Sturgill provides us with a
progress report on being a Personal Cruiser beta builder. Also see
End of an
Era: Exemption 7162 Expires. Owners of experimental
aircraft could once be compensated for renting their aircraft to others
who sought experimental aircraft-specific flight training can no longer
Supplemental Type Certificate for Light Speed
Engineering’s PLASMA CDI on a Lycoming O-360
too big, not too small; it’s what a Fly-In was meant to be. A report on
the 2006 event and an invitation to 2007. COPPERSTATE 2007 Patrick
Hebron’s EJ-22 Subaru Powered Volmer Amphibian. Anthony
J. Liberatore does it again by bringing us details of a very special
The RFI Cog
Belt Reduction Drive for Subaru and Mazda Conversions. A
report on the RFI PSRU by the very prolific contributor Don Parham.
EFI Systems. Inspired by recent reports of stock Subaru
electronic systems going “LIMP HOME” at the worst possible moment, Don
Parham details exactly how the system works.
A new, 6.2L
LS3 small-block V-8. Chevy does it again with its
latest iteration of their infamous (bad-to-the-bone) small-block. Concept: Can A Long
"Longster" Be Built As A Legal Part 103 Ultralight? Oscar Zuniga explores the possibility
of building an old design with new materials, including a 1/3 Corvair
engine, and creating a modernized replica of a classic design.
Dyno. Andrew Arguemeina demonstrates how bathroom
scales can be used to determine the horsepower of an engine that’s
still bolted into an airframe.
Study of a Mazda 13B Installation in a Van’s RV6A. Steve
Boese goes about studying vibrations in a thorough manner.
Chevy Powered Wheeler
Express. Bud Warren of Geared Drives introduces us to
his geared redrive, as proven with his beautifully crafted Wheeler
Express. Former CONTACT! Magazine editor and publisher Mick Myal found
this story for us at SnF 2007 and through a collaborative effort with
Bud’s daughter Phyllis Ridings-Murawski, they bring us this article. Three-Rotor
Lancair ES. A project report on a plane that’s about to
take its first flight. We’ll certainly be following up with this one.
By Mark R. Steitle
Vari-Prop by Pitch Control Systems, L.L.C. We couldn’t
be more pleased to announce the union between the fine people at
Vari-Prop and Paul Lipps, the creator of the Elippse Propeller. We now
have a commercially available version of the Elippse prop, and best of
all, it’s constant-speed. By John P. Moyle and Patrick Panzera Traffic
Detector Report. An unsolicited report on a traffic
avoidance device, the Traffic-Watch ATD-300, installed after a close
encounter with a Gulfstream pilot with his head “up and locked”. by
Steve Makish CarterCopter.
The people at Carter announce their 6-7 place turboprop, “Next
Generation Business Air Vehicle" (BAV) for true point-to-point travel. How
fast are you really going? Revisited Part II, reprinted
from issue #88.5. By Paul Lipps Paul’s
Updates My Plane Since Issue #77; Belleville Washers For
Prop Retention: Reno Successes: Vari-Prop, reprinted from issue #88.5.
By Paul Lipps
With all the rules broken, this propeller looks and performs like none
other. By Paul Lipps Reprinted from issue #77, Mar-Apr 2004
Paul Lipps’ Lancair 235. Just like the Elippse
propeller, this plane is a little different. By Paul Lipps Reprinted
from issue #77, Mar-Apr 2004 Elippse Propeller Test. Paul Lipps answers the question, “Just
how much difference can you realistically expect from a spinner?” By
Paul Lipps Reprinted from issue #81, Jan 2006
How fast are
you really going? A whimsical look at the effect of
stagnation temperature rise as speed increases and how that may be
misleading you into believing that you are going faster than you really
are. By Paul Lipps Reprinted from issue #80, Sep 2005
How fast are
you really going? Revisited. Part II, created for this
issue. By Paul Lipps NEW!
Static Prop Balancer. Another highly useful Paul Lipps
article, detailing the construction and use of a special fixture
designed by Jeff Jeter. By Paul Lipps Reprinted from issue #84, Jul 2006
Updates. My Plane Since Issue #77; Belleville Washers
For Prop Retention: Reno Successes: Vari-Prop. By Paul Lipps NEW!
Phantom. The success story of one team of Reno pylon
racers. By John Moyle and Patrick Panzera Reprinted from issue #79, Feb
May-June, 2007 Mailed June 15, 2007.
you should know your ECU; Three case studies. Larry
David compiles three stories concerning the trials and tribulations
associated with using the OE ECU from a 2.2L Subaru EJ22 powered KIS
TR1. In addition to Larry’s personal saga, George Moore and Graham
Brighton contribute to this case study.
Cruiser; Real aircraft performance at ultralight cost.
Scott VanderVeen chronicles the conception, design work and building
process to bring this new aircraft to market, designed by Steve Rahm
and proves his FoldaPlane kit manufacturing concept.
Corvair Cruiser. Bruce Sturgill, long-time friend of
CONTACT! Magazine, is one of Scott VanderVeen’s beta-builders who gives
us a little insight into what it takes to actually build a kit plane
from the FoldaPlane process.
Testing the Personal Cruiser. Morgan Hunter describes
his experience with test flying and proving the Personal Cruiser.
EFI: A Second Look. Ross Farnham of Simple Digital
Systems brings us an update from his previous digital EFI article and
ties it in with the other EFI articles in this issue.
A Tale of
Two Drivers. Steve Boese discovers issues with his EC2
electronic engine control system related to operating from his high
altitude airport. Corvair Powered
Corvair guru William Wynne gives an update with on his efforts with the
Corvair engine conversion, as it relates to his 601 and the Personal
Cruiser. Aluminum Cylinders for
Corvair and VW Engines. Pramod Kotwal of Nitron Inc. announces
his new product line.
Rotary Progress and Update. Ed
Anderson gives us an update on his 13B installation powering his RV-6A
that we reported on in earlier copies of CONTACT! Magazine, issues #49,
#50, #51, and #61. A new offering from
a new supplier, Propelled Engineering. Art and Cheryl Reudko along with Ted
Alexander are embarking on a new endeavor of bringing the convenience
of a FWF package to the RV community first, and others as demand
dictates. By Earnest Kerr
X is for Experimental; A
A long anticipated article from rotary engine guru Tracy Crook that
brings us up to date with his trials and tribulations of taming his
record-breaking RV-4. One-off, single rotor
conversion for an Avid. A work in progress is described,
detailing building a single rotor engine from a mix of available OEM
parts and a few custom parts, gets the weight down and power up while
hopefully not sacrificing reliability. By Richard Sohn Bill and Linda Eslick’s
rotary powered RV-6. With a $5,000 FWF investment, Bill and
Linda have done a remarkable job with their creation. By Bill Eslick Decisions, Decisions,
Considering a rotary engine for your experimental aircraft? This
article does its best to bring you up to speed by detailing what has
worked and what may not work while the author describes his Cozy Mark
IV. By John Slade Duckt is now ductless! Perry Mick picks up where he left off
in this follow-up article (in issue #60) on his adventure into his
ducted fan experiment, carried out with the use of his sleek Long-EZ.
By Perry Mick
Millard’s EG33 Powered Comp MONSTER. Mick Myal spotted
this beauty at AirVenture 2006 and reports on the installation of this
4-place, all composite kitplane with a hefty Subaru engine.
Annual Alternative Engine Round-Up. April 27-29, 2007 is
the date, Jean Nevada is the place. This is the only fly-in we know of
that is for experimenters, by experimenters, and it’s FREE!
Ignited Heavy Fuel, Part Deux. Anthony J. Liberatore
brings more information on the use of heavy fuel in aircraft piston
engines. See issuse #81 for part I.
Boxer: A World's First. Subaru has developed a “first”
with their turbo diesel engine based on their opposed four plat form
and should be delivered in vehicles in 2008.
Military Surplus Engine. Converting an APU surplus
engine for aviation, for a fraction of the price of its certified
counter part. By Dirk D. Kretschman
from AOPA President Phil Boyer. Don’t despair is the
topic of this “call to arms” from the AOPA president. Phil is confident
that we as a group can fight and win the battle against “user fees”.
Airworthiness Information Bulletin. Is alcohol in your
fuel a problem? A reprint of FAA CE-07-06 October 27, 2006
Alternator Conversion. Lynn French describes how he
converted his internally regulated alternator to utilize an external
Corvair Engine “Condition Inspection”. Mark Langford
chronicles his trails, tribulations and success with his use of the
Corvair engine in his remarkable KR2S. (see issue #75). e-Ink; Another Glass
The nuts and bolts of a new type of “glass cockpit” display that’s much
easier to read and actually looks better in sunlight. By Douglas
Over-Delivering: The AeroTwin AT972T. As promised in
issue #83 and in typical CONTACT! Magazine fashion, we spare no detail
with presenting a new engine. By Tim Kern
Sullivan’s Subaru Powered Super Zodiac CH 601 HDS. With
superb help from Stratus Subaru, Tim Sullivan completes his plane even
before obtaining his PPL. By Patrick Panzera Tim Sullivan Stratus
Subaru Engine. Tim details his rebuild and installation
of his engine, including cooling issues. By Patrick Panzera
Static Prop Balancer. Another highly useful Paul Lipps
article, detailing the construction and use of a special fixture de
signed by Jeff Jeter. By Paul Lipps Thor Magic Products. Not a miracle; it Just Works. As
described in our mission statement, we review a new product which just
hap pens to be a soap and wax. By Tim Kern How I spent my SUMMER
Associate editor John P Moyle tells the tale of his trip to the Czech
Republic to assembly the CH 601 XL donated to us. CarterCopter issue
reprinted with more pages. We announce the reprint of issue #83 Alternative Engines Volume
Update: The CarterCopter
and Its Legacy. Rod Anderson of Carter Aviation
Technologies brings us up-to-date on the current state of the
record-breaking, ill-fated CarterCopter demonstrator aircraft. Maximizing Flight
Efficiency by Slowing the Rotor. The secret to the CarterCopter’s
success and insight to the unusual planform of the rotor. By Jay Carter
Carter’s High Performance,
Hollow-blade Propellers. An in-depth look at the unique
propellers being developed by Carter, includ- ing construction
techniques, ground test and flight tests, as well as data spreadsheets.
By Jeff Lewis and Claudius Klimt PIREP: Flying the
CarterGyro Demonstrator/Trainer AKA CGD/T. Carter Aviation Technologies’ test
pilot, George D. Mitchell gives us the rundown on preflight and the
operation of their new demonstrator. Carter FutureFlight-I,
April 2-5, 2006.
To showcase the everyday utility of their newest VTOL technologies,
Carter is planning a demon- stration flight from Atlanta, GA to Sun 'n
Fun, using the CarterGyro to visit the same places along the way that
we would visit using an auto mobile on the same trip. By Anita C.
Infante NASA Personal Air Vehicle
(PAV) Challenge -- Postponed or Canceled? Rod Anderson looks at the NASA general
aviation con test announced last summer and how it led to the creation
of Carter’s newest aircraft design. Is the AeroTwin Engine in
the CarterGyro’s Future? A brief look at the new AeroTwin engine
and how it may end up powering the CarterGyro. By Greg Lynch New 2+2 “CarterCopter”
Announced. It hasn’t stopped with the CarterCopter. Carter Aviation Technologies has been
working behind the scenes and is ready to unveil their new focus; a
CONTACT! Magazine exclusive. By Jeff Lewis
Steere’s Supercharged Thunderbird Powered BD-4. Past
contributor John Steere updates us with information on his BD-4 project
we previously covered in issue #66 By John Steere Direct-Injection
Turbocharged MAZDASPEED6 Engine. Mazda is offering 274 horsepower from
a turbocharged, direct inject- ion, gasoline engine. This all-aluminum,
4-cylinder engine seems like a good candidate for conversion to
aviation. By Pat Panzera
Custom Wheel Pants for the
Masochistic Homebuilder. A step-by-step guide to plug and mold
making for the reproduction of fiberglass parts, specifically wheel
pants. By Chris Boultinghouse The Future of General
A frank discussion on the direction general aviation is heading,
including diesel, fuel cells, hybrids and other alternative fuels. By
Michael Friend. The Bandit: ”Mo” Bang for
How one builder set out to find an alternative to his certified O-320
installation in his RV-4, and found his answer in an airboat shop. By
introductory forum on the Hexadyne P60, as presented by
Cy Williams, at the 2005 COPPERSTATE Fly-In. We transcribed the engine
forum at the recent COPPERSTATE Fly- In, and offer it as a precursor to
the following in-depth article. By Cy Williams
Hexadyne P60 Associate Editor John Moyle outdoes himself
once again, with a thorough look into the little, yet powerful
four-stroke engine, deter- mined to replace the two-strokes in its
class By John P. Moyle
Elippse Propeller Test. Paul Lipps
answers the question, “Just how much difference can you expect
realistically expect from a spinner?” By Paul Lipps Edge of the Envelope;
Atlantica; Shape of Wings to Come. A four-place, blended-wing-body (BWB)
aircraft, of all composite construction; the brainchild of Alan Shaw.
By Anthony J. Liberatore. Steve Lantz's LS6 powered
Two life-long friends work together to build a show winning
experimental Republic Seabee from scrap. Powered by a 405 HP LS-6
Corvette engine conversion by Brian Robinson. By Pat Panzera
O. Thompson's EA-81 powered Kitfox IV-1200. John
Thompson’s story of converting a Subaru EA-81and fitting it to the nose
of his beautiful Kitfox. By John P Moyle Revmaster R-3000
years in the making, this new engine is about to hit the market and
take the 100hp engine genre by storm. By John P Moyle
Innovations and improvements. Descriptions and details of the
inner-workings of the Revflow variable-jet, injector carburetor. By Joe
Horvath Meet Joe Horvath. A brief sidebar on Joe and his
background with the VW engine By John P Moyle BMW 1100RS motorcycle
engine conversion. Kuba Konstancin of Poland, reports on
his direct experience with converting and flying behind this elegant
motorcycle engine. Planning Your Charitable
Giving. Part II. CONTACT! Magazine supporter Percy Lorie
offers a little food for thought, by way of the second in the series of
informative articles. How fast are you really
whimsical look at the effect of stagnation temperature rise as speed
increases and how that may be misleading you into believing you are
going faster than you really are. By Paul Lipps
Mailed March 25, 2005 Available in reprint only
Aberle's PHANTOM, smokes his class at Reno, using a Paul
Lipps propeller (see issue #77) by John P. Moyle and Pat Panzera Planning Your
Charitable Giving. Just in time for tax season, CONTACT!
Magazine supporter Percy Lorie offers a little food for thought, by way
of the first in series of informative articles.
Turbines: Is it turbine time for homebuilts? By Vance
HKS Engine. by Michael Friend Alternative Engine
by Patrick Panzera Gary Walsh's Prop Problems. One man’s woes with his NSI cockpit
controllable propeller and the resulting airworthiness directive. By
Gary Wolf, President, RAA Canada
Moye's Ford V-6 STOL, By Dom Brindisi and Jim Kale Flying Behind an
LS-1 Chevy in the "JUNK YARD DAWG" by Roger P. Flower
David Roe (Hummel Bird "Diva") follows up on
his flutter repot from issue #76
Christiansen's Peregrin XS-302, by Pat Panzera Theory of Rod Bolts and
Other Prestressed Bolts, By Vance Jaqua Spark Ignited heavy Fuel
by Anthony J. Liberatore The "Miller-Cycle engine; Mazda's best kept secret, By Pat
Panzera An update from George
his 13b powered canard pusher from issue #62 An
update from John Harlow on his Lancair ES with Chevrolet Corvette LT -1
V-8 Engine. Also See issues #40, #53 and #66 Follow-up
report on the Elippse Propeller, as flown at Reno, by
Pat Panzera Type
Newsletter of the Year Award, by Pat Panzera
Mailed July 23, 2004 Available in reprint only
PULSAR 100, by Vance Jaqua. Also see issue #2 Sonex Ltd. announces Czech floats for their plane.
Paul Lipps' innovative Lancair 235,
by Paul Lipps
on his ELIPPSE TM Propeller, by Paul Lipps
Exhaust system for the JPX
85 hp engine in a Jodel D18, by Richard Mole.
Corvair engine intro, by William Wynne. Corvair College by Oscar Zuniga. The 3100cc “Big Boy”
Mark Langford .
Redrive by David Poirier, with contributions from David
Stroud and Erik Meisterman. Direct Drive Huggins Front
Bearing Conversion by Wayne Burtney. Del Magsam's outlaw Corvair powered Sonex by John Moyle. UltraVair 1/3 Corvair for
by Fletcher Burns Corvair parts and suppliers by John Moyle. Mike Sharkey’s VW based
PSRU. Misc. Corvair information by Pat Panzera. First annual Alternative
a fly-in at Bullhead City International, dedicated to builders and
flyers of "alternative Engines" March 20, 2004
Owens EG33 Subaru powered Velocity 173 FG An update with
Justin Mace's Dragonfly. (see issues 6, 14, and 39)
Sonex Ltd. new planes, the Xenos and the Waiex, By John
Builder's workshop, By John P. Moyle 2004 Harley Davidson
engine conversion for pusher applications, including info on the University of
Utah's Harley powered Wright Flyer. Fuel tank bonding, by David Gall.
Mailed September 2, 2003 Available in reprint only
Vee 2002" VW conversion. An in-depth look at John
Monnett's new VW engine kit, commercially available for under $5000. Eric
Scheppers 6 cylinder Jabiru powered Sonex.
Lockamy's VW Type IV Sonex.
Carb" An introduction to this simple throttle body
Sonex: A design Overview Just about everything you'd
like to know about the Sonex.
Mailed June 3, 2003
Nickel's 3.8 liter Ford V6 powered all metal RV6. Many
innovative ideas which any homebuilder can utilize. Ted
Nickel describes his glide performance experimentation,
and the resulting incident that all but destroyed his plane. Dan
Horton takes some of the mystery out of torsional vibration,
and dispels the myth that a belt reduction unit solves the issue.
Mazda's "next generation" Renisis engine for the new RX8.
Hadaller reports on his problems with the Great Plains rear engine
Magazine announces a new aviation based charity, for aviators, by
aviators. It's time we take care of our own.
Messinger describes and illustrates the differences between all Subaru
EA81 model engines, a must have article for any Subaru
one-of-a-kind stealth like Facetmobile is profiled by
designer Barnaby Wainfan.
Available in reprint only
WWII liquid cooling solutions to your auto conversion homebuilt,
as researched by Prof. S.J. Miley at Texas A&M. A
scratch built 7/10 scale P-51 by Dan Hawken is powered
by a Rover 3.9 engine .
Spencer's Long EZ is powered by a Ford V/8 and goes
turbo Mazda rotary in a Cozy is detailed by Greg Richter.
A homebuilder, NASA's Mark Moore is
behind the official movement to develop affordable airplanes. A key
element is the use of auto based engines to reduce costs. Before and
after cost numbers are presented.
Craig Sellers was
fed up with costs of certified airplanes' repairs and elected to power
his RV-8 with a Corvette LT1 engine.
Giovanna Villanueva is promoting the development of a radial cam engine,
similar the RAD-CAM in issue #68.
Steen details his award winning engineering of a belt
redrive Toyota turbo MR2 conversion in a Cassutt racer. Mark
Beierle of Earthstar Aircraft is developing his "RAD-CAM",
an eight cylinder (two-stroke) high-performance (40hp) radial engine
for trikes, UL and sport class planes that uses a cam as opposed to a
ice can be deadly, an accident report by Grace Ellen
GM 3100/3400 V/6 engine is one of the most weight/HP efficient engines
around, details by Mark Vander
Eyk. Don Parham continues his discussion of EFI systems.
super clean Ford V/6 installation in John Steere's BD-4.
information on exhaust augmentation by Dan Nicoson,
including 9 references. Charlie
Walker's Subaru 2.5 powered Glastar installation.
Redrive and epoxy failures are
reported by John Harlow.
Richard Kamm clears up fuel/air mixture understanding.
Koontz offers a cooling safety tip.
Subaru powered GlaStar is detailed by builder Jeff Liot,
check out cooling ducting? Don
Parham offers insight into new Subaru engines.
Learn more about speed-density systems by expert Joe
Terry O'Neill designed
and built an unique moldless construction canard airplane
some 15 years before Burt Rutan! Tracy
Crook of Real World Solutions, Inc. details his approach to electronic
Homan's Starduster II biplane is powered by a Chevy 4.3.
Del Chifton flies a NSI Subaru Legacy firewall forward
package in his RV-6.
Anderson reports on extensive changes to his Mazda RV-6A,
reported previously in issues 49,50 and 51.
Ron Kociba details the design/development of the new GM inline 6 truck
engine, 40# lighter and 70 more HP than the famous 4.3.
Jess Meyers gears up with his RV GM 4.3 conversion.
and sizing carburetors is discussed by Clare Snyder.
Getting NACA reports online is recommended by Dan
F. Marc de Piolenc provides a new approach to radiator installation
George Graham details his approach to low cost flying
(E-Racer made from wood, Mazda 13b installation, PSRU made from a
Check out a rotary for problems before buying by Joe
check your electrics performance!
Flying Viper V/10 in original design homebuilt.
More Subaru information by Don Parham.
Burak driveline failure cause determined by Steve Crow.
Two-175, a ducted fan Delta! DIY beading tool by Jeff
DESIGN ALERT: Stan Burak's outstanding original design
suffered a coupling failure.
Perry Mick is developing a ducted fan/Mazda powered longEZ. Another
RV, this one Mazda powered by Chuck Dunlap.
Hodges plans to build an anphib, uses computer
simulation to determine his 60 degree Chevy V/6 engine mods.
The first Mustang II powered by a Chevy 4.3 was built by
The Europa gets a HP boost using a direct drive Subaru EJ22,
by Lynn Elsner.
The Brits are developing aircraft Diesel engines per
Brian Robinson finally solves the Seabee engine problem
with a Corvette LS1 installation!
pointers on building reliable VW power are offered by experienced Joe
Ray Ward shares his experiences with Chevy V/8 aftermarket power in a
BD-4 and in his unique WARD ACRO.
Dyno tests of Subaru EJ-22 and new cam grind information documented by
Ron Steber. Anyone contemplating Subaru power will
benefit from Don Parham's technical review.
The availability of Solex/SU carburetors worldwide offer an economical
alternative to Holley products.
Australian Dave Sharples obtains good results with his Blanton Javelin
STOL used as a glider tug!
Lance uses major parts of a certified airplane (Bellanca) and an Ford
3.8 to meet the 51% rule.
Gerry Belcher flies his Travel Air replica with a Chevy V/8 engine.
The KR Internet gang came up with a new wing that exceeds the
performance of Rand Robinson's RAF48. Story by Oscar
Folis Jones (best auto powered plane award at 2000 SNF) comments on his
development work with the Subaru.
Pegg discusses his "Buck Rogers" flying platform development,
an interesting aircraft for those interested in design concepts.
The all new Cadillac Northstar engine is profiled by
Allen Cline, a GM engineer.
Ever wonder what your risks are in flying? Al Wick
offers a logical approach you can use to establish your personal
Marshall Allen flies a Chris Heintz Zodiac with a Subaru with largely
Diesel powered airplane by Paul Lucas has excellent
performance due to fuel savings, ideal cooling management and airframe
Dean Berry describes his flying 4.3 Chevy powered RV-6A using SwagAero
basics: Detonation and Pre-ignition GM engine designer
Allen Cline warns of catastrophic engine failure modes inherent in
modern high output engines (>.5 HP/in3).
Fred Carter reviews and debates problems of carburetion vs. fuel
Larry Olson has done considerable propeller design and modification.
He explains pitch factor effects.
William Wynne has generated new interest in the 1960s era Corvair
air-cooled engine and discusses his conversion
engineer Lee Atwood explains the effectiveness of the P51 radiator,
a must reference for anyone adapting liquid cooled engines.
The 450 HP Viper sports car engine is profiled by Chrysler chief
engineer Charlie Brown III. 1/5th views are published
along with detailed technical information.
Don Parham informs readers on Subaru engine systems and their
Dean Berry has flown his Blanton STOL powered by a baby GM 215
engine for 400 hours.
Ed Lansing has developed some cooling benchmarks for the Geo 1.0 liter
engine, using his car as a test bed.
John Harlow reports 295 hours on his Corvette powered Lancair ES.
New IVO prop considerably improves performance.
Pitts wraps up his work published in issue #43 on a
Chevy 4.3 liter RV-6 conversion.
Dougs Combs describes his APEX turbine installation in a
clipped wing Luscombe.
Machinist Art Luther builds planetary and cog belt redrives and
prepares Subaru conversions. His Subaru 2.7 RV-6A was
featured in #36.
Akira Ishikawa provides readers with hard-to-get official HP/torque
curves for the Suziki/Geo 1.0 and 1.3 liter engines.
Corvair engine conversion problems and solutions are solved
by Torello Tacchi.
Schweitzer reports on his new 4.2 liter Ford/RV-6 installation details.
The new Marcotte internal pinion redrive has many reduction ratios. A
cross section drawing is included by J-P Deschenes.
CAD drawings of his RV-6 electrical system and
flight results wrap up Anderson's successful Mazda installation.
Anderson's Part 2 of 3 articles describes his EFI and water and oil
cooling systems. Find a CAD drawing of his coolant
header tank, photo views of his radiator diffusers.
Veteran composite builder Gary Hunter describes the Pushy Galore F1
racer technical details.
Special FULL COLOR centerfold by Jim Ewen shows all!
Anderson details his 13B installation in a RV-6A (part 1 of 3); CAD
drawings are included.
Don Parham reviews Subaru engine conversions, specific model
differences are described.
The advanced design Rohr MR-2 airplane is documented by
George Graham's highly modified pusher design solves
all aluminum premium 215 HP V/6 engine is profiled by
Powertrain Staff Engineer Al Cline. In addition to an overview of
engine testing procedures, full technical specifications and engine
weights a 1/5 scale engine drawing is included.
Tim England has had considerable success with his GM 4.3 liter powered
Velocity. His auto conversion approach is also
applicable to tractor type designs needing 200 HP.
Messinger summarizes his past articles with his design of a Subaru
EA-81 electrical system.
Charles Airesman direct drives his Vari-Eze with a stock EJ-22 Legacy,
cruises at 200 MPH.
Leeon Davis shares his work on the 16HP Briggs and Stratton engine in
Corky Scott reports on Eggenfellner's Subaru conversions.
Steve Parkman retrofits a LYC O-235 with GM's computerized electronic
Messinger addresses alternators, their regulation, design differences,
safety "crowbars", etc.
Jeff Liot presents his approach to engine mount fabrication.
Chuck Kondas shares his low buck approach to flying...his
simple redrive design is shown.
Roger Enns defines turbo control types and selection.
Messinger discusses system voltage issues and component selection
Don Bates offers hints on propeller selection, answers
typical questions and concerns.
A Rotorway Rw-100 powers Ken Mintz's Vari-Eze. His
simple coolant system diagram is shown.
A detailed analysis of WWII fighter liquid cooling problems and
solutions can help the homebuilder, this article by Hans
Mayer originally appeared in the Canadian Recreational Flyer.
Messinger proposes special electrical backup and safety systems for
auto engine conversions.
The Ford archives contain an unique auto powered flying wing built in
the 1930s; design features are analyzed (Tim O'Callaghan
and Vance Jaqua, respectively).
Roush Racing engineer Chris Spock compares different power transmission
systems (belts, gears, chains); their relative
durability is shown.
Captain Roger Flower describes his 3.8 Ford powered Seahawk amphibian.
Pitts custom builds a 4.3 Chevy engine for a RV-6A.
Bill Ray provides technical assistance in the installation of a NSI
turbo Subaru in a Kitfox V, cooling problem is solved.
Paul Messinger documents his work on engine management systems,
this the first in his series of Contact! articles.
Jess Meyers shows important differences in AJC core construction and
effective cooling duct design parameters.
Gordon Bernier has a 2.5 liter Mercury (Ford) aluminum engine
going on a WagAero 2+2 homebuilt.
Corporation's new all aluminum engines are detailed.
Full engine specifications, including weights and HP and torque curves
are published for the three displacements.
All 60 degree V/6 designs, these produce 200-250 hp.
Vance Jaqua describes his solution to the high cost of high performance
aircraft, the use of cheap high power cast iron engines
and airframes from existing kitplane parts bins.
feature article discloses design and development details of the 1997 GM
Corvette engine including 1/5 scale engine outlines.
The Australian test-program is discussed by engineer Jim
Engine designer Alan Lockheed explains the effects of rod length ratio
on engine performance.
Jack Hickham has another approach to Subaru LEGACY engine cooling on
his Murphy Rebel.
Harlow has installed a Corvette LT1 engine in his 4-place Lancair ES.
Turbo Tom Wyatt has a comprehensive report on his engineering of
cooling systems. Various radiators are compared for
Vision is an original scratch built design by Steve Rahm.
It features full sandwich construction, not seen in other scratch-built
Charles Airesman's Honda powered Vari-Eze has a very efficient exhaust
augmented cooling system that works.
Richard Finch shares his experiences with auto engine dependability.
Don Parham is writing a book on Subaru conversions. His
first installment is included in this issue.
Alternator failure and onset of engine failure is
defined by Steve Parkman and Justin Mace
Subaru family of engines is documented by Don Parham, long time
experimenter. HP and torque curves are published.
A short article points out the hazards of buying salvage engines.
A GM article describes the development of the harmonic balancer.
Art Smart describes his original design Phoenix airplane, powered by a
Sherwood is preparing a Subaru SVX conversion for his Glasair RG. He
is using a Ross redrive.
AI Haralson loves his SWAG fuel injected VW engine in his Preceptor PUP.
His installation has a unique crank trigger setup.
Steve Parkman found he could save weight and cost by substituting
composite construction in lieu of steel tubing in his glass scale Jenny.
He uses a GEO Metro fuel injected engine.
Luther reports on h s RV-6A powered with a Subaru 2.7 six cylinder
engine. He has come up with a slick planetary redrive of
his own design.
Jack Hereford's radial engine design produces 75 HP.
Gene Nelson has some unique ducting features on his Legacy powered
Marty Richey looks at auto engine conversion operation,
comparing Lycoming performance to reported numbers on Ford, Buick 215
and Mazda installations.
Meyers introduces his new 4.3 Chevy conversion in a RV-6A.
Ron VanderHart has shown his Buick 215 in a Stits Playmate at several
Oshkosh shows. He talks about his low-cost approach
Ken Rogers shows how to make a composite intake manifold.
The 1996 COPPERSTATE Auto Engine Round-up is reported.
scale P-38 powered by two Buick 215 engines is a prototype design by
Tracy Crook of Real World Solutions, Inc. details his Mazda RX-7
installation in his RV-4.
Jaqua explains prop efficiency-why fast planes can do well with small
Jerry Schweitzer details his Ford 3.8 conversion in his RV-6.
Steve Parkman begins his Saturn 124 HP conversion in an Aeronca Champ
EAA pioneer and record holder Leeon Davis of Davis DA-2A V-tail design
fame has designed a new racer. Full details!
Don Parham, a long time gyroplane enthusiast and publisher of Homebuilt
Rotorcraft magazine discusses his Subaru conversion developments over
Clarke shares his development experiences with a turbo EA-81 on his
Bruce Frank reports on Ford 3.8 problems and solutions.
Carcraft re-published article offers Chevy V/6 HP potential.
Kurt Kuhlmann describes fuel injection developments and solutions.
Carter builds his 200+ HP all aluminum 4.3 Chevy V/6;
engine-dyno data is included.
Vance Jaqua offers proof why geared auto engines are better for take
off and climb.
Bill Hinote reviews auto engine cooling and suggests ways experimenters
can avoid problems.
engineer Vance Jaqua reveals KIS Cruiser prototyping details,
along with design data and construction methods.
Ken Armstrong tells why auto engines are superior in many respects.
Contact! reports on Copperstate's second annual Auto Engine Roundup!
Jim Mayfield achieves 1000 hr TBO with Mazda!
Steve Parkman discloses development experiences with GEO (as Rotax
Engineer Matt Kight describes his cold jet design.
Parkman develops a stand alone engine knock sensor.
Complete DIY plans are included.
Shirl Dickey reports on his auto powered E-Racer. The
LPE engine offers high power at low overhaul costs.
Erskine shares his experiences in modifying and flying a Piper Rawnee
with a Chevrolet 350 HO engine.
The unique Rand-Cam engine first shown at Oshkosh in 1994 has
undergone its initial test runs successfully and promises turbine like,
smooth performance in a light, compact package. This engine can now run
without seals reducing engine friction.
MINI-HAWK is a 2./3 scale jet fighter concept proposed by Embry-Riddle
University, using a Chevy engine driving a fan.
Ross Farnham introduces his digital EFI system.
Logging 300+ flight hours, Ray Ward reports on his
Chevy powered Super BD-4 negative experiences with
custom engine builders.
Archie Frangoudis presents an overview of cams and design factors.
owner Ron Gowan describes his Mazda rotary installation and
Pictures detail the necessary components, use of the Ross Aero oil tank
Chris Ross mentions experiences of four other customers pleased with
Mazda rotary installations.
Bob Brooks tells us what's going on in Detroit and the auto world with
the 2-stroke engine and other engine developments. GM
215 engine modifications are fully covered in an article originally
published in HOTROD, updates are added by experts.
Harry Riblett designed a revised wing airfoil for Ken Rogers' PT-2
(issue 11 ) which vastly improves its performance.
Steve Parkman discusses thermostat and EFI problems.
Composite curing is addressed by Start Montgomery.
concept which spawned the Wainfan "FACETMOBILE" is detailed by Bernard
Mike Arnold reveals details of his AR-5 record setting airplane.
Noted aerodynamicist Bruce Carmichael uses unique, understandable
methods to analyze the low drag of the AR-5.
Arizona Copperstate 1994 auto engine "goings on" are reported.
Mayfield installed a Mazda 13B in his gyroplane trainer.
Well over 600 hours on this installation in little over one year!
Shirl Dickey discusses lower winglet effects.
A GM paper is the source on the development of modern engine bearings.
Engineer Vance Jaqua refutes inflated auto engine power claims using
Hoffmann covers his Cessna 150 Subaru EA-81 conversion.
X-country trips from Seattle to Oshkosh and SNF proved his conversion
Johhny Walker explains differences between center of pressure and
Oshkosh engine report-who was there.
John Brooks discusses piston rings, Russ Erb concludes his series on
An auto and aircraft engine comparison chart is included.
Jones builds a Murphy Renegade with a Subaru EA-81,
detailing problems and solutions.
Russ Erb discusses volumetric efficiency and other engine factors.
Bruce Frank's newsletter excerpts cover Ford 3.8 engine problems and
Larry Stubler provides a method for determining air loads on moveable
Ericson decided to replace his Cessna 172 O-300 with a Chevy 350.
In the process he has developed a roller chain redrive. His
recertification efforts are documented along with engine conversion
Nat Puffer details his COZY aft CG test program.
Russ Erb discusses engine design and performance factors-list of 4
A carbon fiber intake manifold is developed.
Jess Meyers has over 500 hours flying his Buick 215 powered Swift.
Included are engine building pointers.
A quick method of building composite fuselages is introduced
by Jan Updike using Aero-Core material.
Bob Waldmiller tells about his flight test experiences,
offers excellent methods for comparing results of changes (props,
pants, wing tips, etc.).
Steve Parkman alerts experimenters to sources of ignition coil failures
and tells about the build of a GEO Metro conversion.
Trickel tells all about his KIS 2-seater. Illustrations
define unique construction features which make this the one a quick
Ken McCormick follows with his glowing report on his KIS/Subaru Legacy
Schweitzer has over 300 hours on his Blanton/Ford STOL His detailed
report contains information on building a successful conversion.
A comprehensive AIAA report on liquid cooling includes formulas and
review of WWII aircraft cooling configurations.
to a single project, Terry O'Neill describes his development of the
Ford 351 Windsor engine for his Magnum bushplane. The
article includes specific information on choosing salvage engines,
cylinder head selection, problem areas generated by 'experts', fueling,
redrive temperatures, and other topics pertinent to engine conversions.
He details the adaptation of a McCullough (Paxton) supercharger to his
installation and HP increases.
Wanderer by Larry Lam has unique up-only aileron controls and full span
flaps. Many other design features are discussed in his
The development of the world class 295 HP, 402.6 pound Northstar engine
is described by Cadillac's Max Freeman.
Smith reveals details of his record setting AJ-2 racer,
including unique construction details.
Nat Puffer describes changes to the Safe-T-Poxy formulation
as a result of adverse OSHA findings.
Justin Mace provides an update on his 160 hour Subaru Legacy Dragonfly.
Heintz describes the design, construction and performance of the Zenair
601 series of airplane.
An article on the field problems of magnetos points out the need for
Keith Spreuer sets the record straight on the magnitude of gyroscopic
forces and torsional vibration to be expected in auto conversions.
Steve Parkman talks about the basics of EFI systems.
Texaco article details engine coolants.
Lee and Taylor reveal the details of their Honda Goldwing motorbike
Reiner Hoffmann of Seattle reported on his development of the Subaru
Turbo EA81 using a belt redrive.
Leonard Eaves tells of his low cost replacement for tired mags using
LPE is developing engines for the 350-600 HP class of custom airplanes.
Their report establishes parameters for these advanced engine designs.
215 aluminum engine underwent 19 detailed breathing modifications
by Edelbrock and reported by Hot Rod magazine in 1961.
Harry Riblett's article defines the new Kitfox airfoil and its
Ken Rogers of Moxee WA reports on his Subaru Legacy installation in his
Pro Tech airplane, including a complete weight
Ron Gowan's 4 place twin Mazda powered "Starship" design is shown.
Puffer describes his development of the COZY IV 4 place canard airplane.
The only canard design licensed by Rutan this airplane carries some 25
years of continuing improvements in design, structure, cooling, and
Skip Jones offers general auto conversion information.
Don Santee describes an alternative method for composite laminar wing
resonance affects all rotating mechanisms. Don Hessenaur's experiences
with the Avian gyroplane, BD-5, and Rotorway designs are
Steve Parkman takes readers through the steps to get the straight story
from a FAA computer bulletin board.
Len Griffin and Bob Catrambone discuss their experiences with the HAPI
engine to alert others to potential problems.
Parkman reports on his approach to a budget (< $7000) airplane. His
rebuild of the Subaru EA81 engine is covered. The Tri-Q construction
steps and the function of a simple fuel injection system of his design
Alan Shaw reviews the advantages and drawbacks of various composite
construction joints. A new speed record design by Lars
Giertz is revealed.
feature article reports on the design and construction methods of the
tandem winged Dragonfly.
Independent survey of builders and pilots replying to a detailed
questionnaire on support and performance is included.
A novel, lightweight main gear retraction mechanism design
by Bob Meador is depicted.
Worldwide automobile engine development is reported by
design, construction, and testing of Saffire by Berry
Halsled. It has the hallmark of a factory engineered job. The article
includes the wing bending and shear load calculations and a running
weight and balance of all major components, useful for comparison.
Justin Mace details his Legacy engine Dragonfly installation. A
scale drawing and photos define the cooling system.
Bob Yeakey shares his knowledge of octane requirements with respect to
the 180 HP Lycoming.
On the cover: Chuck Harrison's Skyblazer; a sleek,
low cost performer.
An engineering approach to a modern, redundant ignition system for
automobile engines in experimental aircradft. By Jan R.
Mazda rotary powered Super Cuby. By Melford A. Bony
Skyblazer, a sleek, low cost performer. By Chuck Harrison
engines are being developed in Detroit by GM and Orbital Engine.
New engine concepts are described.
Octane, vapor lock and other auto fuel considerations
are addressed by Bob Yeakey.
Differences between auto and aircraft engines are reviewed by Rick
Progress reports are published on a Dragonfly powered by a Subaru
Legacy and a Tri-Q powered by a pushrod Subaru ($475
cost to the builder, including overhaul and balancing).
Pereira, designer of the GP-4, reviews its design,
cockpit accommodations, the plans, work space requirements, materials,
adhesives, fuselage construction, canopy, tail surfaces. fiberglass
components, control surface flutter, additional design features, wing
design, gear retraction, wing/ fuselage assembly/powerplant, etc.
A builder report by Jake Jackson and Ralph Hallenborg comments on the
plans, time to build, and flying characteristics.
Pulsar by Mark Brown. The design, structure,
construction, landing gear, wing, tail surfaces, economics, cockpit,
the engine, finishing. flying qualities and services are described.
An independent Contact! survey of over one hundred builder/customers is
Power for Experimental Aircraft" by Chris Ross discusses
reduction gear advantages:-technical support-auto power expertise-used
engine experience-engine installation and dress- fuels-typical
programs-examples--why gear reduction-engine torsional
vibration--rotary reliability. etc.
An exploded view of the Ross redrive unit, calculation of the Mazda 13B
weight /moment installation and its 1/5 scale drawing is included.
Nell Kruiswyk's article describes his 13B conversion in a Lancair.
originals or quality reprints are available by mail for $3.00 each,
current issue, which is $8.00.
the entire collection and receive 1 year subscription free.
include shipping within the United States.
Non domestic rates are as follows:
(all amounts are shown as USD)
All descriptions and images of
"future" issues are subject to change without notice