Expansion Team

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For RV-12 owners looking for an alternative engine option, Jabiru offers a worthy contender. By Marc Cook.

Light Stuff

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Roy Beisswenger reports on The Farm, and all that was new and exciting in the ultralight area at Oshkosh AirVenture 2011.

Learning to Weld

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Ken Scott's series on welding closes with an afterword from his mentor, Philip Groelz, who explains why TIG welding is the way to go.

Homebuilt Aircraft Insurance

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Choosing insurance for your homebuilt can be a complex decision. Scott Smith breaks it down and explains what you need to keep your plane covered-at every stage.

Alternative Energies

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Dale Kramer invigorated the ultralight movement in the 1970s with the Lazair. Now he's doing it again-with a battery-powered version. By Dean Sigler.

Aero ‘lectrics

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Jim Weir takes us on a tour of the FCC's aviation frequency range.

Wind Tunnel

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The way lift is distributed along a wing's span affects both the structure and its aerodynamics.

Traveling Machine

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Van's two-seat RV-12 LSA proves itself as a surprisingly travel-friendly cross-country airplane. By Marc Cook.

2012 Kit Aircraft Buyer’s Guide

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The 2012 Kit Aircraft Buyer's Guide features a stunning 316 designs.

Editor’s Log

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Mary Bernard discusses the challenges companies face when they try to improve an existing design, let alone develop a new product. The Glasair Sportsman TC is a case in point.

In Case You Missed It

Editor’s Log

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Whats he gonna do next?

The Back Yard Flyer

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When Dick and Sharon Starks found that Sharon's Airdrome Aeroplanes Morane Saulnier L Parasol replica was TPd at Oshkosh, the search was on to find the culprits. Along the way, they also discovered an innovative new ultralight from Valley Engineering;

Vortex M912 Gyroplane

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Low and slow, even in the wind. By Karl Storjohann.

Ask the DAR

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Repairman certificate eligibility, ELSA mods, flying at civil twilight, fuel cap engraving.