Blue Edge Rotor Blades Silence the Helicopter

Pictured here we have a new rotor blade for a helicopter called the Blue Edge Rotor. It was designed to cut down the noise that a helicopter makes when it’s blades skim through the air and actually quietens the whole thing down several notches.

All that is heard from the new blades is a slight bit of wind rustling which is thanks to the shape of them along with some mechanical flaps that move automatically to cut the regular wind noise a helicopter makes.

A video demonstration of the helicopter noises can be found after the jump.

Rather than rehash exactly how it works with it’s various motors and wing design, you can check out the full details over at Wired.

Via: CrunchGear

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