In Case You Missed it
Wind Tunnel
Involved in the flight testing of a friends aircraft, Barnaby Wainfan contemplates the consequences (and wisdom) of designing an aircraft around an engine that may prove unsatisfactory or, worse, unavailable.
Light Stuff
Sport Pilot rules make it possible to fly a powered parachute or flexwing trike at night, but make sure you have the right equipment.
Build Your Skills: Fabric
Who knew there was so much to consider when selecting a fabric for your aircraft project? Cotton or polyester? Light weight or heavy? STCs, TSOs, PMAs, FAA requirements. Poly-Fiber or Ceconite systems? Ron Alexander unravels the alphabet soup and explains how and why each fabric may be the way to go for a specific project.
Aero ‘lectrics
The subject this month is Schmitt triggers and digital gates, which can be employed for a variety of purposes in homebuilt aircraft including use with switches and sensors or panel lighting.