Letters

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Antennas Up! I have enjoyed following To Launch a Light Sport, by Bob Fritz. His recent effort discussed a couple of common problems...

Kit Stuff

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Drawing on experience; by cartoonist Robrucha.

What’s New

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Lycoming offers zero-time, factory-rebuilt engines to pilots and owners for the cost of a factory overhaul, in exchange for a first-run core; RPX Technologies introduces the simple and straightforward DynaVibe prop and rotor balancer. Edited by Mary Bernard.

Around the Patch

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Editor-in-Chief Marc Cook takes note of the good, bad and the uncapitalized in public reactions to a recent aircraft accident. He encourages knowledgeable pilots, builders and enthusiasts to counter the public rantings of armchair crackpots with kindness and courage. Also, a tip of the buttonless cap to Omar Filipovic, KITPLANES.coms new webmaster, for his savvy work to create a more lively and flexible web site.

25th Anniversary: Rutan’s Take

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Burt Rutan's elegant and efficient aircraft-and spacecraft-designs are in a league of their own. Amy Laboda looks at Rutan's legacy, what he's doing now, and why he may never retire.

Insurance Update: Experimentals and LSAs

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Despite recent economic traumas, the aviation insurance industry has continued to support Experimental and LSA aircraft. The keys for the builder/pilot? Proficiency, training, and availability of parts and service for the airplane.

Aero ‘lectrics

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Jim Weir shows you how to create and install LED lights and run them from ships power inexpensively and easily.

Wind Tunnel

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Barnaby Wainfan explores the optimum size of a wing and the best ways to balance performance and efficiency.

Flight Testing: Finding TAS from GPS Data

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Math works! Kevin Horton shows you how to use GPS data to calculate true airspeed.

Return of the Turbo-Compound

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Everything old is new again. Paul Lamar looks at the turbo-compound engine, developed in the post-WW-II era. Thrown over for jet engines, it may yet hold promise today as we search for more energy efficient ways to get the most out of increasingly expensive fuel.

In Case You Missed it

Polish Makes Perfect

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How to polish your plane.

Firewall Forward: Compression Testing

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Unlock the mysteries of the aircraft-engine leakdown test, otherwise known as the differential compression...

What’s New

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MGL Avionics offers new touchscreen iEFIS, SkyVision Xtreme introduces a fully portable ADS-B In/Out system, and Worx SD SemiAutomatic Driver debuts.

Wag-Aero Super Sport

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The easy-to-build, high-wing Wag-Aero Super Sport CUBy combines the Cubs classic looks with modern technology and materials, increasing both maximum weight and payload. Using engines of up to 150 horsepower, the Cub offers great short-field performance, high roll rates and easy glideslope control-a great option for those who cant afford vintage prices.