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#10
December 5th 03, 01:58 AM
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Dave Jackson wrote:
Sikorsky has a couple of patents for 'Rotor system having alternating length rotor blades'. [U.S. patent #5,620,303] This is not to suggest that the removal of a portion of the blade on the ground is the same as the removal of a portion of the blade in the air. I can garantee that any of these designs still keep the rotor system balanced. 
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