Checkpoints

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Backup systems.

What’s New

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Zenith debuts the CH 650 QBK, Kuntzleman’s announces a Wingtip LED Light System, and Radial Rocket introduces Streamline Airframe Kits.

A Very Special Oshkosh

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This year’s AirVenture set records for attendance, so says EAA. I learned this after the show, but I could have predicted the press release...

Down To Earth

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Homebuilt aircraft played a key role in bringing aid to the Bahamas after Hurricane Irene. Amy Laboda explains how you can join in future relief efforts.

For Evie

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Early in my build project, I found the absolute perfect number.

Editor’s Log

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Black zones.

Missing Red Bull

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Am I alone when saying the Red Bull Air Races were not my ideal of aviation pursuit? I surprise myself a little saying that,...

Weighty Matters

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We’ve all been taught the five primary forces of flight—lift, thrust, gravity and drag. (Plus money, but it’s more existential.) Let’s focus on gravity,...

Alternative Energies

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Electric vehicles and aircraft may be the future, but how will we create the energy to power them while minimizing environmental damage? By Dean Sigler.

Training, Teaching and Coaching

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With a title like that, you might expect that I’d excuse anyone without an instructor certificate from reading this month’s column. But if the...

In Case You Missed it

Rapid Prototyping and Experimental Design

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Coupon testing, part 4. By Eric Stewart and Brian Paris.

Alternative Energies

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JoeBen Bevirt addresses future energy and transportation needs by tackling them head-on-Jetsons style-with the Joby Monarch. By Dean Sigler.

Second Chance Six

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Fuel tanks are done! Now what?

Build Your Skills: Composites (Part 7)

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Author Bob Fritz explains how to set up a vacuum-bagging operation in your home shop, using readily available equipment and supplies, which will get you great results on small- to medium-size parts. The object is to mechanically squeeze out excess epoxy for a good-ratio part with maximum weight savings and strength.