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Sikorsky Completes First Tests For Marine Corps’ CH-53K Rotor Blades

Gally Articola

Wednesday, November 6th, 2013

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Sikorsky Aircraft said on Oct. 31 that it has completed the initial rotor blade tests for the Marine Corps’ CH-53K heavy lift helicopter. With 12 percent more surface area than the blades on its CH-53E predecessor, the new blades are the most advanced that Sikorsky has ever produced, the company said. The CH-53K blades were designed to handle the 71 percent increase in power generation from the aircraft’s three 7,500-shaft-horsepower GE38-1B engines. The tail rotor blades are also larger with 15…

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