Cover Story: Building a Custom Cushion

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Learn how to measure, cut and assemble the foam pieces that constitute the seat cushion.

Aero ‘lectrics

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Its time to revisit the DIY wind tee project-but with improvements fueled by experience.

Wind Tunnel

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Stall flutter is the result of the elastic axis of a wings surface being aft of the aerodynamic center, resulting in instability. A vicious cycle of lift, twist, stall and lift may ensue.

It’s a Cub Thing

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With a bigger engine and lighter airframe, CubCrafters’ Carbon Cub EX kit aircraft takes the Cub experience to a higher plane. By Marc Cook.

Around the Patch

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Starting with the known and moving methodically toward a goal is the best strategy for achieving success in the aircraft engine business.

What’s New

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PS Engineering introduces a new audio panel, Zenair ships its first float kits, and Wicks offers a happy hour discount. Edited by Mary Bernard.

Three Years Before the Masts

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There’s something about piloting a twin-engine, open-cockpit AirCam that gets under your skin, and it may become habit-forming. By Ed Wischmeyer.

Dawn Patrol

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When a casually tossed length of two-by-four and a pristine fabric-covered airplane meet, the result isn't pretty. Author Dick Starks describes his wifes initiation to the art of fabric repair.

Engine Beat

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What are your options to get the annual condition inspection done when you're not the original builder of the aircraft? By Steve Ells.

Ask the DAR

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Whats changed with the advent of the revised 51% rule? Fortunately, not as much as you might think.

In Case You Missed It

More PCB Fun

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OK, this one is the witch of the bunch. You’ve had two months to...

Broken Control Cable

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Here’s a throttle control cable that has separated from the housing. It is very...

Stressing Structure

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Beam column bending.

Alternative Energies

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Chip Yates is a man with a plan—to follow Lindbergh’s historic transatlantic flight in an all-electric plane. The flight’s planned for 2014; in the meantime, there are battery challenges to solve. By Dean Sigler.