Lewis Bjork has constructed many airplanes, authored a few books and numerous articles. He enjoyed flying for SkyWest Airlines the last twenty years, and is married to Linda, a very patient wife. They are the parents of five children.
If you want to keep your paint and other supplies from freezing next winter, try this relay and heater (made to work in conjunction with last month’s temperature sensor project).
If you need a horn to sound when the airspeed drops below a certain level or when the power is cut and the landing gear is still up and locked, an electronic circuitry solution is the lightest, most reliable and most cost-effective way to go.