Helicopters are n’t known for their upper , which is why Sikorsky Aircraft is working on a eggbeater prototype with two band of blade rather of one . The blades , which would spin in opposite directions , would create adequate amounts of lift on both slope of the chopper .
In other countersign , by spinning in diametric commission , they ’d poise out the departure of rhytidectomy experience by the retreating blade and let the chopper reach speed of up to 334 miles per hour . There ’s no prescribed test date for the pearly , but you must admit , innovation - wise the mock - up looks badass .
in high spirits - speed Helicopter Revolution[Popular Mechanics ]
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