from THE GREEN ENERGY BLOG http://thegreenenergyblog.com/uncategorized/solar-powered-drone-switches-from-helicopter-to-plane-mode
Sunday, February 26, 2017
Solar-Powered Drone Switches from Helicopter to Plane Mode
Cells lining its long wingspan will extend its flight time. By: David Lumb Ever since the wobbly autogyro went out of fashion, engineers have tried designing a craft that gets the vertical lift of a helicopter’s blades with the horizontal thrust of a plane is difficult to pull off. Popular successes, like the AV-8 Harrier series […]
from THE GREEN ENERGY BLOG http://thegreenenergyblog.com/uncategorized/solar-powered-drone-switches-from-helicopter-to-plane-mode
from THE GREEN ENERGY BLOG http://thegreenenergyblog.com/uncategorized/solar-powered-drone-switches-from-helicopter-to-plane-mode
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