Heres one instance where the sound of silence (as in no engine noise) wont signal the need to start scoping out a place to set down. The Urban Air motorglider offers a compromise that makes the best of both worlds: fuel-efficient powered cruising and exciting powered-off soaring.
Accelerate, pull and fly-thats not all there is to the takeoff. Barnaby Wainfan takes a second-by-second look at the aerodynamics of the takeoff: when it works, and when it doesn't.