In Case You Missed It
Sikorsky S-38 Project
Building a 55%-scale, amphibious twin-engine flying boat seems like an ambitious project, and it is. But this former WW-II B-25 commander with four homebuilt aircraft already under his belt tackled it anyway. By Rick Lindstrom.
Wind Tunnel
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.
Hamming It Up
Amateur radio enthusiast Chuck Deiterich explains how pilots can use the Automatic Packet Reporting System (APRS) to track their flights and stay in touch with loved ones for a modest investment.