Nasa electric aircraft X-5714 Propellers instead of two
As part of the 'X-Plane for Experimental Aircraft' program, researchers at the US space agency NASA are working on an aircraft that does without combustion engines and is powered purely by electricity: with a multi-propeller system integrated into the wing.
© Nasa, Lauren Hughes
... on the ground at the Armstrong Flight Research Center in California with a kind of wind tunnel replacement: HEIST ('Hybrid Electric Systems Testbed') is a converted truck. It carries a first version of the wing, in which 18 electric motors with lithium iron phosphate batteries are currently still installed. The truck ...