Tag: special_purpose_aircraft

Builders share their successes.

Registration and the Repairman’s Certificate.

Jim Weir responds to a reader request to find a way to make any cell phone turn on an electrical device.

Recently, there has been increasing interest in the efficiency of all vehicles, including airplanes. Designers are seeking to make airplanes that perform better and burn less fuel. Barnaby Wainfan takes a close look at the aerodynamics and mathematics behind this deceptively complex process.