On the
cover: Scott Carter and
Lynn Canatella pilot Xtra EZ over the suburban area of Dallas
TX. Photo by Jay C Harris
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 Rutan.
Mazda
RENESIS 16X.—
Details from Mazda on their next generation rotary engine.
This time it’s 1600cc.
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 newsletter.
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.
Sorensen 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.
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 accident.
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 Two.
William
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
regarding power.
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.
My 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.
On
the cover: Sadler 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.
Chevrolet’s 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.
Is 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.
Hello from NZ, Mike Crene
checks in. A brief report on the Titan T-51 Kiwi Mustang,
sporting a Suzuki V6.
Roger 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.
One 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.
On
the cover: Maxwell Propulsion’s
Glassair Glastar 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.
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 Weseman.
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
Jon Finley's Subar-Sonic
Q2.— Jon Finley has a passion for engines and it shows with his direct
drive Subaru EJ22 installation in his Q2.
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.
Loehle 5151 Mustang: The
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 coatings.
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 flight characteristics.
Perry 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.
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.
Andrew
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.
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.
Andy Plunkett's first flight, March 9,
2008
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 speakers.
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.
MegaSquirt. EFI:
For the Do-It-Yourself Builder.
Marcotte Redrive.
A very brief side piece with contact information. Also see issue #51 and 92
Special 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.
No One Believed That We
Walked Away.
Phyllis Ridings-Murawski of
Geared Drives,
details the fiery loss of their Wheeler Auriga. Also see issue #89
Carburetor Icing-- One
More Time.
Another great discussion on carb ice, this time by Harry Hill of the
Winnipeg Area RAA
Paul 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
Alternatives 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.
Raven Redrives Checks In.
By Jeron Smith. Raven Rotorcraft and Redrives’s latest offering, a
three-cylinder, 38-hp direct drive Geo/Suzuki engine.
From 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 issue #88.5
Builder Assist Program.
Bruce Sturgill provides us with a progress report on being a Personal
Cruiser beta builder. Also see issue #88
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 be compensated.
EASA Supplemental Type
Certificate for Light Speed
Engineering’s
PLASMA CDI on a Lycoming O-360
Direct Drive Geo/Suzuki
1000cc aircraft engine.
Simulating hand-prop with electric starter.
Jeron Smith, Raven Rotorcraft
and Redrives, Inc.
COPPERSTATE.
Not 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 Panzera
Randy Hebron’s EJ-22
Subaru Powered Volmer Amphibian. Anthony J. Liberatore does it again by bringing us details of a very special
amphibian.
The RFI Cog Belt
Reduction Drive for Subaru and Mazda Conversions. A report on the RFI PSRU by the very
prolific contributor Don Parham.
Stock Subaru 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.
Home-Brewed Dyno. Andrew Arguemeina demonstrates how bathroom
scales can be used to determine the horsepower of an engine that’s still
bolted into an airframe.
A Vibration 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
The 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
ISSUE 88.5
SPECIAL Paul Lipps issue. Published
July 12, 2007. Now on sale .
Elippse
Propeller. 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!
Sensitive 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
Paul’s Updates.
My Plane Since Issue #77;
Belleville Washers For Prop Retention: Reno Successes: Vari-Prop. By Paul
Lipps
NEW!
Tom Aberle’s
Phantom. The success story
of one team of Reno pylon racers. By John Moyle
and Patrick Panzera Reprinted from
issue #79, Feb 2005
Why 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.
Personal 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.
Building a 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.
Flight Testing the Personal Cruiser.
Morgan Hunter describes his experience with test flying and proving
the Personal Cruiser.
Programmable 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 CH601XL-N1777W.
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 Rotary Odyssey. 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, 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
Ken 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.
4th 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!
Spark 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.
Turbo Diesel
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.
The PC-60
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
A letter 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”.
2700cc
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 Revolution?
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
Hansknecht
Under-Promising, 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
Tim
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
Sensitive 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 VACATION. 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
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
John 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 Aviation Power. 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 less Bucks. 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 Rob Ray
An 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
The
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
Steve Lantz's LS6 powered
Republic Seabee. 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
John 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 Engine. 10 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
Revflow:
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 going? A 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
Tom 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 Jaqua
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
Ted 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.
Hal Hadaller
reports on his problems with the Great Plains rear engine drive.
CONTACT!
Magazine announces
a
new aviation based charity, for aviators, by aviators. It's
time we take care of our own.
ISSUE 71
Paul Messinger
describes and illustrates the differences between all Subaru EA81
model engines, a must have article for any Subaru converter.
The one-of-a-kind stealth like Facetmobile is profiled by designer
Barnaby Wainfan.
ISSUE 70 Available in reprint only
Apply 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 .
Gary Spencer's Long EZ is powered by a Ford
V/8 and goes 240mph.
A turbo Mazda rotary in a Cozy is detailed by
Greg Richter.
ISSUE 69
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.
ISSUE 68
Jim 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 crankshaft.
Les 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.
ISSUE 63
Ed 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.
ISSUE 62
Understanding and sizing carburetors is
discussed by Clare Snyder.
Getting NACA reports online is recommended by
Dan Nicoson.
Marc Piolence provides a new approach to
radiator installation design.
George Graham details his approach to low
cost flying (E-Racer made from wood, Mazda 13b installation, PSRU
made from a transmission).
Check out a rotary for problems before buying
by Joe Woods.
ISSUE 61
How to 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.
ISSUE 60
Rohr Two-175, a ducted fan Delta! DIY beading
tool by Jeff Liot.
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.
ISSUE 59
Pete 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 Gale Derosier.
The Europa gets a
HP boost using a direct drive Subaru EJ22, by Lynn Elsner.
The Brits are developing aircraft Diesel
engines per Vance Jaqua.
Brian Robinson finally solves the Seabee
engine problem with a Corvette LS1 installation!
ISSUE 58
Excellent pointers on building reliable VW
power are offered by experienced Joe Hillebrand.
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!
ISSUE 57
Dorrance 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 Zuniga.
Folis Jones (best auto powered plane award at
2000 SNF) comments on his development work with the Subaru.
ISSUE 56
Robert 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 comfort level..
Marshall Allen flies a Chris Heintz Zodiac
with a Subaru with largely NSI parts.
ISSUE 55
Two-place Diesel powered airplane by Paul
Lucas has excellent performance due to fuel savings, ideal cooling
management and airframe aerodynamics.
Dean Berry describes his flying 4.3 Chevy
powered RV-6A using SwagAero electronics.
Fred Carter reviews and debates problems of
carburetion vs. fuel injection.
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
techniques.
ISSUE 53
Top P51 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 electronics.
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.
ISSUE 52
Stan 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.
ISSUE 51
CAD drawings of his RV-6 electrical system
and flight results wrap up Anderson's successful Mazda
installation.
Jerry 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.
ISSUE 50
Ed 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!
ISSUE 49
Ed 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 Vance Jaqua.
George Graham's highly modified pusher design
solves cooling problems.
ISSUE 48 Available in reprint only
GM's new 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.
ISSUE 47 Available in reprint only
Paul 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 his DA-11.
Corky Scott reports on Eggenfellner's Subaru
conversions.
Steve Parkman retrofits a LYC O-235 with GM's
computerized electronic fuel/ignition.
ISSUE 46
Paul 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.
ISSUE 45
Paul Messinger discusses system voltage
issues and component selection (part3).
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.
ISSUE 44 Available in reprint only
Paul 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.
ISSUE 43 Available in reprint only
Stan 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.
ISSUE 42 Available in reprint only
Chrysler 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. V
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.
ISSUE 41 Available in reprint only
The 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 Contes.
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.
ISSUE 40 Available in reprint only
John 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 efficiency.
ISSUE 39 Available in reprint only
The Vision is an original scratch built
design by Steve Rahm. it features full sandwich construction, not
seen in other scratch-built airplanes.
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.
ISSUE 38 Available in reprint
only
The 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 Subaru Legacy.
ISSUE 37 Available in reprint only
Russell 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.
ISSUE 36 Available in reprint only
Art 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 RV-3.
Marty Richey looks at auto engine conversion
operation, comparing Lycoming performance to reported numbers on
Ford, Buick 215 and Mazda installations.
ISSUE 35 Available in reprint only
Jess 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 conversion.
Ken Rogers shows how to make a composite
intake manifold.
The 1996 COPPERSTATE Auto Engine Round-up is
reported.
ISSUE 34 Available in reprint only
A 2/3 scale P-38 powered by two Buick 215
engines is a prototype design by Howard Culley.
Vance Jaqua explains prop efficiency-why fast
planes can do well with small props.
Jerry Schweitzer details his Ford 3.8
conversion in his RV-6.
Steve Parkman begins his Saturn 124 HP
conversion in an Aeronca Champ test bed.
ISSUE 32 Available in reprint only
Early 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 the years,
ISSUE 31 Available in reprint only
Reg Clarke shares his development experiences
with a turbo EA-81 on his Xpresso Dragonfly.
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.
ISSUE 30 Available in reprint only
Fred 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.
ISSUE 29 Available in reprint only
Aero 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 replacement).
Engineer Matt Kight describes his cold jet
design.
ISSUE 28 Available in reprint only
Steve 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.
ISSUE 27 Available in reprint only
Jed 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.
ISSUE 26
The 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.
ISSUE 25 Available in reprint only
Long-EZ owner Ron Gowan describes his Mazda
rotary installation and performance.
Pictures detail the necessary components, use
of the Ross Aero oil tank and redrive.
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.
ISSUE 24 Available in reprint only
The ARUP concept which spawned the Wainfan
"FACETMOBILE" is detailed by Bernard Rice.
Mike Arnold reveals details of his AR-5
record setting airplane.
Arizona Copperstate 1994 auto engine "goings
on" are reported.
ISSUE 23 Available in reprint
only
Jim 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 BMEP.
ISSUE 22 Available in reprint only
Reiner Hoffmann covers his Cessna 150 Subaru
EA-81 conversion.
X-country trips from Seattle to Oshkosh and
SNF proved his conversion approach.
Johhny Walker explains differences between
center of pressure and pitching moment.
Oshkosh engine report-who was there.
John Brooks discusses piston rings, Russ Erb
concludes his series on engines.
An auto and aircraft engine comparison chart
is included.
ISSUE 21 Available in reprint only
Folis 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 solutions.
Larry Stubler provides a method for
determining air loads on moveable surfaces.
ISSUE 20 Available in reprint only
Roger 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 details.
Nat Puffer details his COZY aft CG test
program.
Russ Erb discusses engine design and
performance factors-list of 4 parts.
A carbon fiber intake manifold is developed.
ISSUE 19 Available in reprint only
Pioneer 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.
ISSUE 18 Available in reprint only
Rich Trickel tells all about his KIS
2-seater. illustrations define unique construction features which
make this the one a quick build.
Ken McCormick follows with his glowing report
on his KIS/Subaru Legacy installation.
ISSUE 17 Available in reprint only
Jerry 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.
ISSUE 16 Available in reprint only
Devoted 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.
ISSUE 15 Available in reprint only
The Wanderer by Larry Lam has unique up-only
aileron controls and full span flaps. Many other design features are
discussed in his article.
The development of the world class 295 HP,
402.6 pound Northstar engine is described by Cadillac's Max
Freeman.
ISSUE 14 Available in reprint only
A.J. 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.
Steve Parkman talks about the basics of EFI
systems.
Texaco article details engine coolants.
ISSUE 12 Available in reprint only
Authors Lee and Taylor reveal the details of
their Honda Goldwing motorbike engine conversion.
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 HEI technology.
LPE is developing engines for the 350-600 HP
class of custom airplanes. Their report establishes parameters for
these advanced engine designs.
ISSUE 11 Available in reprint only
The GM 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 advantages.
Ken Rogers of Moxee WA reports on his Subaru
Legacy installation in his Pro Tech airplane, including a complete
weight breakdown.
Ron Gowan's 4 place twin Mazda powered
"Starship" design is shown.
ISSUE 10 Available in reprint only
Nat 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 performance.
Skip Jones offers general auto conversion
information.
Don Santee describes an alternative method
for composite laminar wing construction.
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.
ISSUE 8 Available in reprint only
Steve 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 are covered.
Alan Shaw reviews the advantages and
drawbacks of various composite construction joints. A new speed
record design by Lars Giertz is revealed.
ISSUE 7 Available in reprint only
The 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 Robert Brooks.
ISSUE 6 Published in January of 1992 Available in reprint only
The 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.
ISSUE 4 Available in reprint only
2-stroke 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 Stahl.
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).
ISSUE 3 Available in reprint only
George 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.
ISSUE 2 Available in reprint only
The 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 published.
"Alternative 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.
All
descriptions and images of "future" issues are subject to change without notice
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