25th Anniversary: Change Is Good

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At AirVenture 2009, Amy Laboda took the opportunity to talk with 12 key innovators in the world of Experimental aviation, with one question in mind: What do you think has been the most significant change in homebuilding aircraft in the past 25 years?

Gathering at Gardner

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Dick and Sharon Starks bring the Morane to the Gathering of Eagles WW-I replica fly-in. Where The Dawn Patrol goes, adventure follows.

The Dawn Patrol

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Dick and Sharon Starks and The Dawn Patrol make their annual, magical pilgrimage to AirVenture Oshkosh. Mix in a big, surly storm, the Wild Snorting Piglet, and an Air Force Brigadier General, and you've some something to write home about.

Engine Beat

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How are your cylinders doing? A differential compression test can uncover any problems-almost before they start. Steve Ells explores what the results mean, and what to do about them.

Ask the DAR

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When can a project be registered as Experimental? Can a non-complying airplane be registered as an LSA? How is the 51% criterion determined? Answers to these questions come from DAR Mel Asberry.

Light Stuff

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The Australian developers of the Jabiru engine wanted to build a sport airplane. But when their original engine choice went off the market, they developed its replacement, too. By Dave Martin.

Around the Patch

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Editor-in-Chief Marc Cook saw some reasons to be cheerful at AirVenture, especially the upcoming refinement of the 51% rule for homebuilders.

What’s New

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Zenith offers a reduced price for its STOL CH 701 kit, featuring the 85-hp Jabiru 2200A engine. Dynon offers a rebate for Blue Mountain EFIS owners who trade in for the new SkyView units, as well as special upgrade pricing. Edited by Mary Bernard.

Buzz Words: Understanding Dihedral Effect

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While certified airplanes have to meet Part 23 requirements for positive dihedral, amateur-built airplanes are exempt. Ed Kolano looks into the details of dihedral, and how you can use it to your airborne advantage.

Down to Earth

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Music to a mothers ears. Amy Laboda preps the family Kitfox for her older daughters primary training.

In Case You Missed It

The Dawn Patrol

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Beware the numbers.

Turbine Temptation: Power is Life!

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The day the beautiful wooden box arrives from the Czech Republic is a day...

1909 Blériot XI

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A near-exact replica of the first airplane to fly across the English Channel.
Polishing leads to a shiny airplane. Sonex in flight

Taking a Shine To 6061-T6 – Part 1

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Polishing aluminum transforms gray metal into a mirror finish—cheap, timeless, and endlessly messy but deeply rewarding.