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Jon Humberd

Jon Humberd
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Jon is a Tennessee farmer who enjoys airplanes. His notable achievement is building/flying the popular Super701 from a 300-foot farm strip. He loves demonstrating the plane’s capabilities, including competing in events like the National STOL Series, with the best overall score at Sun ’n Fun ’21. Jon also helps other Zenith builders through consulting.

Building the 750SD XTREME: Part 15

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Why is this airplane xtreme?

Building the 750SD XTREME: Part 14

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Out of the holding pattern, onto the panel.

Building the 750SD XTREME: Part 13

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Things to do while in the holding pattern.

Building the 750SD XTREME: Part 12

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Another customization?

Building the 750SD XTREME: Part 11

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Sure, you can buy intercoolers off the shelf but sometimes you have to DIY it. Here’s how.

Building the 750SD XTREME: Part 10

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Overcoming builder’s block and exhaust modifications.

Building the 750SD XTREME: Part 9

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Change of seasons & modifications.

In Case You Missed It

High-Desert Tales

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Free fall.

Ask the DAR

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DAR Mel Asberry continues his discussion of operating limitations and Phase I flight-test requirements.

Lightweight Stepladder

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I affectionately refer to my Jabiru light-sport as being a “low high-wing” airplane. This...

Cover Story: Carpet and Panels

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Now that you've fabricated your seat upholstery, its time to tackle the rest of the interior with a look at carpeting and door panels.