In this first of a two-part series, Jim Weir builds a low-cost, high-efficiency portable ground-based antenna system that he used to great effect in the recent CAFE 400 (fuel efficiency) race in Northern California. You can do it, too.
Chuck Berthe flies the turbine-powered Comp Air CA9, an impressive work in progress. With a combination of a massive airframe and a Honeywell turbine, the CA9 is a heavy hauler that will really scoot.