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Copters Battling: New Technologies Emerging!

Posted on24. Oct, 2010 by .

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O.M. Reporting Desk:

The Sikorsky solution features two main rotors atop the cabin, which spin in opposite directions. That both neutralizes the spinning force applied to a traditional single-main-rotor helicopter and provides a speed boost.
One thing the European and U.S. machines have in common is their new design eliminates the need for the sideways tail rotor used to stabilize traditional helicopters.

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