David Ullman
Vortex Generators for Cooling
A simple fix reduced CHTs in a Velocity by 55 degrees. By David G. Ullman.
Hear the Hum?
Whats the buzz? David Ullman looks at the past, present and future of the electric airplane.
Electric Dreams Prevail at the CAFE Aircraft Symposium
Among the topics covered at the third annual Electric Aircraft Symposium were climate science, battery and motor technology, and aircraft designs, both real and imagined.
In Case You Missed It
Build It Better: Play by the Rules
Some rules are made for you, and some rules are made by you. Those personal rules create a higher level of safety for you and your passengers, and they are the mark of professionalism in a pilot.
Alternative Energies
Sun n Fun 2011 opened with stormy skies and a tornado, but the Green Space area offered a ray of sunshine at the rain-soaked event. By Dean Sigler.
All About Avionics: Cutting The Metal
Heres something to ponder: By the time you get to the point where you are ready to build the panel in your homebuilt aircraft, you've already mastered many of the skills and techniques you'll need to do it by virtue of completing the airframe. That statement is all the more credible when it comes from someone with a vested interest in the subject, our own avionics expert Stein Bruch.