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04-13-2008, 11:33 PM
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The future is unwritten
Join Date: Oct 2002
Posts: 71,105
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Counter rotating rotors on coaxial shafts, are two rotors spinning in the opposite direction, with one shaft inside the other.
No, there's really no advantage, I've heard of, but the blades have to be shaped for the way they spin.
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The descent of man ~ Nixon, Friedman, Reagan, Trump. |
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