KITPLANES tours the Whirlwind Propeller factory in San Diego, California, where the firm’s fixed-pitch and ground-adjustable propellers are made, as well as the blades for Whirlwind Aviation’s constant-speed props. Join us as owner Jim Rust leads the tour.

About Marc Cook: KITPLANES Editor at Large Marc Cook has been in aviation journalism for 23 years and in magazine work for more than 25. He is a 4500-hour instrument-rated, multi-engine pilot with experience in nearly 150 types. He’s completed two kit aircraft, an Aero Designs Pulsar XP and a Glastar Sportsman 2+2.