Thanks to environmental regulations, court challenges and economic realities, an unleaded replacement for avgas is definitely on the horizon, but it’s still a distant horizon. Meanwhile, we still have 100LL, which remains widely available. By Paul Bertorelli.
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.