CH-53K

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The CH-53K is the Heavy Lift replacement helicopter being developed to supersede the CH-53E Super Stallion. It will be equipped with three 6150 hp Rolls-Royce AE 1107C-Liberty turboshaft engines from the V-22 Osprey and a new composite rotor blade system. Similar blade technology is currently found on the UH-60 Black Hawk helicopter.

There is need for a new Heavy Lift helicopter that can transport heavy payloads over longer distances. The CH-53K is expected to meet these requirements by increasing the radius-payload capability of the CH-53E Super Stallion and by carrying nearly double the payload (27,000 pounds) over the same distance of 110nm.

While the CH-53K will keep virtually the same footprint as the CH-53E, the CH-53K's maximum gross weight will increase to 84,700 pounds versus 72,500 pounds for the CH-53E.

Sources

http://www.sikorsky.com/file/popup/0,9604,1842,00.pdf

http://www.randeconomics.org/pubs/monograph_reports/MR1713/MR1713.ch2.pdf

http://www.sikorsky.com/details/0,9602,CLI1_DIV69_ETI2311,00.html

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