Sikorsky Unveils Electric Helicopter Demonstrator

Sikorsky Innovations, has unveiled the “Project Firefly,” an all-electric helicopter technology demonstrator, at the Experimental Aircraft Association (EAA) AirVenture exhibition. The Project Firefly is based on an S-300C light helicopter, with a 190-horsepower electric motor replacing the standard piston-engine and lithium ion battery packs added to either side of the cabin. The lithium-ion batteries are produced by […]