A version of this article appears in the August 25 issue of Aviation Week & Space Technology. NASA Langley Research Center has begun tethered tests of the GL-10 Greased Lighting, a 10-ft. wingspan prototype of a hybrid-electric distributed propulsion vertical-takeoff-and-landing (VTOL) unmanned aircraft. With tilting wing and tail, the 55-lb. GL-10 is designed to combine VTOL capability with long endurance in a small unmanned aircraft system. Power is provided by two 8-hp 2-stroke ...

SUBSCRIBE TO ACCESS THIS PREMIUM CONTENT

"NASA Tests Distributed Electric Propulsion" is part of the new Aviation Week & Space Technology subscription, now available online and in our newly launched mobile app.


Current Aviation Week & Space Technology magazine subscribers: online and mobile access are now included at no added charge to you. To read this full article, use your subscriber email to log in to your account (or contact us for assistance in updating your account).

Not currently a subscriber? Subscribe NOW to our introductory launch special (up to 40% off regular rates), available exclusively at Aviationweek.com. Simply click below to choose your preferred option to receive immediate online and mobile access.
 

Already registered? here.