AirGizmos offers new gadgets, RDD Enterprises makes speed brakes for the Vans RV-10, and AeroLEDs offers LED-based nav/strobe lights; edited by Mary Bernard.
Want to be fresh at the end of a long flight? Experimental-only autopilots beat their certified counterparts. They're usually less expensive, more capable and far more user-serviceable (if you know what you're doing). By Stein Bruch.