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
Simulating Emergencies
Given the aviation accident statistics, its wise to stay sharp between flights, and one way to do that is to practice on a simulator. While that used to be cost prohibitive, todays simulators not only work well on your home computer, they offer homebuilt designs to fly; by Chuck Bodeen.
