Langley R. Muir
SPOT, Checked
Navigation expert Langley R. Muir, Ph.D.s in-depth study of the SPOT Personal Tracker reveals its capabilities…and what you need to know to use it most effectively.
In Case You Missed It
Wag-Aero Super Sport
The easy-to-build, high-wing Wag-Aero Super Sport CUBy combines the Cubs classic looks with modern technology and materials, increasing both maximum weight and payload. Using engines of up to 150 horsepower, the Cub offers great short-field performance, high roll rates and easy glideslope control-a great option for those who cant afford vintage prices.
Letters: September 2019
Building and Selling
Two articles in the June edition really hit home for me: “How...
Aero ‘lectrics
Jim Weir presses the venerable LM317 variable voltage regulator (plus a few other parts) into service as a way to juice up a discharged battery.