![Members of the North Idaho High School Aerospace Program gathered at KSZT [Credit: North Idaho High School Aerospace Program]](https://www.kitplanes.com/wp-content/uploads/2026/02/IMG_3499.jpg?w=324&h=160&crop=1 "North Idaho High School Student ACES Fly the Aircraft They Built")
In Case You Missed It
Good Vibrations, Bad Vibrations
Mating a prop to an engine requires more than a big wrench and some safety wire. Follow along on a real propeller vibration test.
2012 Alternative Engine Buyer’s Guide
If you’re in the market for an auto-conversion engine for your homebuilt aircraft, here’s a definitive guide to the options. By Patrick Panzera.