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
Letters
Shopmaster Shop TalkDear Bob Fritz: I have the opportunity to purchase a Shopmaster Lathe/Mill...
Can We Talk? (Boy, Can We!)
One of my favorite AirVenture activities is eavesdropping as people tell their buddy about...
Electric Flight From Behind the Wheel
It’s safe to assume few of us have flown via electric power at this point, while some of us have no doubt taken a spin in an electric car.
All About Avionics
As autopilots become more and more commonplace, their utility only gets better. Stein Bruch offers an overview of the latest trends.