Jon Humberd
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 750 SDXTREME: Part 16
Tubeless tires, prototype gear, and cabin mods—follow the ongoing adventure of getting the highly modified 750 SDX on its feet.
Building the 750SD XTREME: Part 11
Sure, you can buy intercoolers off the shelf but sometimes you have to DIY it. Here’s how.
In Case You Missed It
Engine Beat
The Rotax 912 engine has become ubiquitous in homebuilt aviation, and now a company has found a way to improve its fuel efficiency. By Steve Ells.
Tapping Heads
The tapping head has a lot to commend it for the home machinist who is trying to add efficiency and consistency to tapping tasks.
Propeller Effects–Lateral Directional
The propeller slipstream affects the aerodynamics of the airplane. A propeller accelerates air backward...
Understanding Lithium Batteries
Kathy and Reg Nicoson of EarthX, Inc. explain what you need to know.