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 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
Wind Tunnel
Yaw rarely occurs without rolling, and roll rarely occurs without yawing. This month Barnaby Wainfan discusses coupled motion, including adverse yaw, the spiral mode and Dutch roll.
Ask the DAR
Can a powered parachute be classified as Experimental/Exhibition if it missed the ELSA deadline?