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EAA Experimenter - EAA's Homebuilders e-Newsletter
   
 
June 2009
  EAA Experimenter - EAA's Homebuilders e-Newsletter
Inside this Issue
Get More Cooling Capacity From Your Radiator
Subaru-Powered Super Zodiac
Jack Bally’s 1/3 Scale Replica B-17
Letter to the Editor
 
 
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WELCOME!
Joe Norris
Weather and First Flights
I'm frustrated. We are well into the month of June, and in the upper Midwest we've been suffering through weather that would be better suited to March or October. Good weather for working in the shop or hangar (if it's heated), but not so good for flying. 
Read more
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Paul's Pick
Auto FuelPaul Poberezny
A few months ago I wrote a short article relative to ethanol that is added to auto fuel. This has become a problem for those who have approval to use auto fuel in their aircraft, but that excludes auto fuel that has had ethanol added to it. But with many great minds out working together, maybe there's a possibility for a brighter future.  Read more
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How To . . . 
Get More Cooling Capacity From Your Radiator
Get More Cooling Capacity From Your Radiator
Just about anywhere there is a spirited conversation between auto engine enthusiasts, the topic will usually come around to water-cooled engines and how to accomplish the most efficient cooling through the radiator. One of the tricks in Bud Warren's tool kit (from his old racing days) that is highly appropriate for use in aircraft is to modify the radiator in a way that can dramatically increase its cooling capacity.  Read more
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Tim Sullivan's Subaru-Powered Super Zodiac CH 601 HDS
Part 1
Tim Sullivan's Subaru-Powered Super Zodiac CH 601 HDSTim Sullivan was not a pilot when he decided to build a Subaru-powered Super Zodiac CH 601 HDS from a kit. He built the plane per the plans, with just a few minor modifications or improvements, and is proud to point out that he drilled each and every hole by hand.  Read more
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What Our Members are Building
Jack Bally’s 1/3 Scale Replica B-17
What Our Members are Building
Jack Bally and his friends decided that if they were going to build one last plane, it would have to be something "different." With a set of 1/9 scale model airplane plans and some seat-of-the-pants structural designing, Jack is confident that his 1/3 scale B-17 Flying Fortress replica will be good for 6 positive and negative g's while potentially having Cessna 152-like handling characteristics-but with plenty of power to spare!  Read more
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Meet EAA Staffer 
Timm Bogenhagen, EAA 379292
Timm BogenhagenI grew up in a small town in northern Wisconsin. Although I lived under the approach to Runway 25 at Merrill, Wisconsin, aviation was not a part of my life. As a kid I was heavily into motorcycles. Most weekends in the summer I spent traveling to different parts of the state racing 250 cc motocross. After high school, college seemed to be the right choice, so I spent three semesters at a state university. After realizing college was not free, I decided to join the Army. After four years' active service I returned to college to earn a business degree and a commission from the Army ROTC program.  Read more
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Forum Review
Interiors in Experimental Aircraft
Listen to Dennis Wolter, founder of Air Mod, discuss human factors, aesthetics, and safety considerations regarding the interiors of homebuilt aircraft. Included in the discussion are the design and fabrication of ergonomic seats, installation of passenger restraints, soundproofing, safety enhancements, and more. 
Read more
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From the Editor
Patrick Panzera, EAA 555743
ppanzera@eaa.org

Pat PanzeraWe’re on our sixth issue of Experimenter, and I can’t express how thrilled I am with the positive response we’ve been receiving. It seems that we are filling the niche well and, quite frankly, your feedback and your contributions are making it happen. I would like to encourage every reader to take part in the survey located at the bottom of the right column (or click here) and let us know how you feel. I read every word in every comment, so your efforts are appreciated.  Read more

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Letter to the Editor
Dear Mr. Panzera and EAA Experimenter readers:

I am writing in response to comments written in the editorial "Ultralights! And Related Ramblings" appearing in the May, 2009 issue of EAA's Experimenter publication regarding our E-Flight Initiative research and development project for electric flight.

The specific comments to which we feel a response is needed are as follows: "But all is not lost. When people like Randall Fishman of ElectraFlyer fame take the initiative and strap a wheelchair motor and some lithium polymer batteries to his weight-shift ultralight trike, I have a renewed faith. But at the same time I have to ask, why is he the only one doing it? ...But before someone corrects me and says that someone else is doing it - specifically Sonex - I have to disagree. Although it debuted its e-Flight Initiative at the same AirVenture where Randall flew his accomplishment, the website shows the latest progress as being ground tests of the motor and controller back in December of 2008.  Read more

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Hints for Homebuilders
Pull Block Drill Guide for Drag/Anti-drag Wires
In this video, Michael Hoye shows how to use the pull block as a drill guide for drilling your wing spar for drag/anti-drag wires. Michael is a member of Chapter 168 in Dallas, Texas.

Watch the video
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From the Archives
Sport Aviation, Feb 1989
Biplanes at Reno
by Jack Cox
Read the article or 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 see the torque values in 14 CFR 43.13 for tubing fittings. The only way I can see to torque a tubing fitting is to put a crowfoot on the torque wrench. Wouldn't this offset the center of rotation and give an inaccurate reading? If so, how would you do it?  Read the answer

Read more Q&A

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Homebuilder Gallery of the Month
EAA Sport Aviation Preview
Here’s a sneak peek at some of the aircraft featured in the July issue of EAA Sport Aviation. The following are some detail photos of a replica of the French Caudron C.460 racer and an in-depth look at the construction of a Xenos motorglider.

View the photo gallery

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Poll Poll
Q. Glass cockpits are all the rage nowadays. How do you feel about "going glass?"

Poll - Vote Now!

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

EQUIVALENT AIRSPEED (EAS) is calibrated airspeed (CAS) corrected for compression of air in the pitot tube (same as CAS in standard atmosphere at sea level; less than CAS at higher altitudes and faster airspeeds). EAS is an airspeed that is not normally used in general aviation.

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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Around the Web
Check out these interesting and informative videos and websites. Have a favorite technical site? Share it with us at Experimenter@eaa.org.

This month's featured link:
Dan Barnes' Lancair Legacy build log

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Survey
Please review and rate this issue of Experimenter.
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