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
Down To Earth
The founders of the Solar Impulse Project build on their successes with a planned around-the-world flight and a stopover at the Paris Air Show. By Amy Laboda.
Flight Review: Falken Avionics iPad-based EFIS
By now, the Apple iPad has established itself as a strong utility player in many aircraft, most often running as a so-called electronic flight bag (EFB) to display moving maps, charts, weather and traffic. But Falken Avionics’ Flight View system has a different take on putting Apple’s tablet to use—as a primary instrument.
Flight Review: Power Promises
Marc Cook flies two GlaStar Sportsman 2+2s with two different engines, and a winner emerges. More power!