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EAA Experimenter - EAA's Homebuilders e-Newsletter
   
 
March 2010
 EAA Experimenter - EAA's Homebuilders e-Newsletter
Inside this Issue
Is an Automobile Engine Conversion for You?
FAA's Zodiac 601/650 Aircraft Report
Radical Light-Twin Experimental
Loehle 5151 Mustang
 
 
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Is an Automobile Engine Conversion for You?
By Patrick Panzera, EAA 555743
ppanzera@eaa.org

Pat PanzeraSince the earliest days of aviation, automobile engines have been used in homebuilt aircraft. By far, the biggest reason has been cost. Combustion chamber design, water cooling, and the use of electronic fuel injection or electronic ignitions are also considerations. But no matter who you talk to, all will agree the cost of a new certified engine, its maintenance, and eventual overhaul of that engine is astronomical as compared to auto conversions. Is an auto engine for you? Read more
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Paul's Pick
Paul PobereznyPaul's January 1972 column in Sport Aviation falls under the heading of "the more things change, the more they stay the same." A discussion sometimes heard at chapter meetings and a sentiment sometimes expressed in letters to EAA is that the organization has "abandoned" certain basic tenets that have made EAA strong. Paul also faced abandonment issues as far back as the early 1970s when he was confronted by two aggrieved pilots who expected much more out of EAA. Read Paul's column
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Tales From the DAR Side
Joe NorrisMy column in the January 2010 issue of Experimenter on data plates generated some good questions and comments from members. I covered some of them in last month’s column. This month we examine your aircraft’s N number, which like the data plate, the placement, size and style is important. Read more
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FAA's Zodiac 601/650 Aircraft Report
A closer look
ZodiacFollowing on the heels of the "unprecedented action" the FAA took against issuing new airworthiness certificates for new Zodiac CH 601 XLs, and strongly encouraging owners of experimental 601s and 650s to ground their planes, the FAA has just released a detailed report on their investigation into six in-flight structural failures of the 601 XL. Experimenter offers this detailed analysis of what the report means.
Read more
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Radical Light-Twin Experimental
An introduction to FPNA's A-36 Vulcan
VulcanWhile shopping for a special light-sport aircraft (S-LSA) to add to their growing flight school, Central Valley Sportplanes staff found a lot of interesting options presented at the recent U.S. Sport Aviation Expo in Sebring, Florida. Not necessarily looking to add twin-engine training to the curriculum, the gang was intrigued with this yet-to-be trainer, the A-36 Vulcan. Nicholas Wood evaluates this unique light twin.
Read more
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Loehle 5151 Mustang
The P-51 for Walter Mitty
LoehlePerhaps one of the most affordable and complete kits on the market, the wood and fabric Loehle 5151 is also a pleasure to build and fly. With fighter good looks and forgiving sporty handling, the 5151 is the bang for the buck that a lot of would-be builders are looking for. The story of the people who created the popular kit is one of grass-roots entrepreneurship and love.
Read more
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EAAer Lands Safely on Interstate in New Mexico
Jon FinleyJon Finley’s Subaru-powered Quickie Q-2 was featured in Experimenter one year ago. Earlier this month he suffered an in-flight engine failure that caused him to land on an interstate highway. A loose nut caused the stoppage, but not in the way one would think.
Read more
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What Our Members Are Building
Winter Work

HortonWhat our members are building sometimes never stops. Is anyone ever really "finished" with a homebuilt aircraft? This month's featured project, Joe Horton's Corvair-powered Rand Robinson KR-2S, has 450 hours on it, and it was time for some detailed inspection, rework, and upgrades. Read more
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How-To...
A Small Mistake That Could Have Been a Real Issue
FisherGeorge Fisher was down to the wire (literally) completing his first annual condition inspection on his pride and joy F1 Rocket when good-intentioned friends came to his hangar for a social visit. Being the gentlemen he is, he took his attention away from his work - something he'll not do in the future.  Read more
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From the EAA Homebuilding Community
Oshkosh 365The Homebuilders Corner message forum at Oshkosh365 is as active as ever. Have a look at the list below and follow the links to read the actual questions and discussion topics.

Can You Help?

Interesting Discussions

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Hints for Homebuilders
Clay Modeling for Composite Fairing Construction
Clay modeling can be used to design the general shape of a fairing. In this video, Mark Forss shows how to use clay modeling to your advantage. Mark is an EAA staff member that coordinates the EAA SportAir Workshops. Watch the video
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From the Archives
Sport Aviation, March 1975
The KR-2, by Jack Cox
With a long and successful history, the KR-2 is an economical to build and fly. Plus its a simple yet performance-packed homebuilt aircraft
. Read the article

You can also search the archives by subject for a multitude of technical and how-to articles.

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Questions and AnswersQ&A
Got a question? Send it to us at Experimenter@eaa.org.
Whether you're building, restoring, or just an enthusiast. we want to know what has you stumped.

Q. I'm getting ready for my homebuilt's airworthiness inspection, and I need to install the aircraft's identification plate. Where should I put it?

A. The answer to your question is found in Title 14 Code of Federal Regulations Part 45, specifically §45.11, which states in part:

Except as provided in paragraphs (c), (d), and (e) of this section, the aircraft identification plate must be secured to the aircraft fuselage exterior so that it is legible to a person on the ground, and must be either adjacent to and aft of the rear-most entrance door or on the fuselage surface near the tail surfaces. Read more

Read more Q&As

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Homebuilder Gallery of the Month
CheVelocity N427VA
Daniel Horvath and Bill Mulrooney knew nothing about airplanes but they wanted to a build fast roomy aircraft. Both had experience souping-up cars and Dan’s background in adhesives enticed them to build a Velocity and power it with an engine that would make their neighbors in the Detroit area proud. The CheVelocity is featured in the April issue of EAA Sport Aviation and a wallpaper image is also available for your desktop.

  View the photo gallery

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Poll Poll
Q.  For the purposes of this poll, assume that you're going to purchase a light-sport aircraft (LSA)-qualifying kit or plans. The topic is flaps, with all other things being equal (price, appearance, performance, etc.).

Poll - Vote Now!

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Aviation Glossary
Confused by a strange aeronautical term? EAA's online Aviation Glossary can help.

FLUTTER - A self-starting and potentially destructive vibration where aerodynamic forces on an object couple with a structure's natural mode of vibration to produce rapid periodic motion.

More glossary terms

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Join EAA

The members of EAA invite YOU to become part of the EAA community.
Join
:: Renew :: Gift
Member Benefits :: About EAA

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Forum Review
LED Lighting for Aircraft Operations
Many questions that have been plaguing pilots since the huge influx of aviation LED lighting solutions offered by so many new players. For example, there are many descriptions of optical performance that, if not presented properly in the context of what the human eye perceives, can and have been used to make misleading or confusing claims about optical performance. Dean Wilkinson of Aero Leds talks about power consumption, thermal considerations, mechanical shock, and optical performance when planning aircraft wiring and installations. Listen to the forum
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EAA Radio
EAA RadioA-B Accident Rate Stats Hide Complex Factors
In February, AOPA released its annual Nall Report, a summary of accidents trends and factors for general aviation. A portion of the report focused on amateur-built aircraft and showed an increase in accidents for the category. EAA Radio's Fareed Guyot talked with EAA Vice President of Industry and Regulatory Affairs Earl Lawrence, who says that, although there is a wide variance in the actual numbers, some amateur-built areas need attention.
Listen to the interview
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Around the Web
Modern fighter aircraft slideshow set to the upbeat "I'm Alive" by Céline Dion.

Listen to this engine "ping" as it loses power and ultimately stops in flight...

...not once, but twice!

For more links to interesting aircraft design and building topics to read about and explore on the Internet, visit our Around The Web page.

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Survey
Please review and rate this issue of Experimenter.
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