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New helicopter design. Speed: 288 miles/hour. Ceiling: over 10k feet.

Discussion in 'Off Topic' started by kyrgyz, Apr 27, 2011.

  1. kyrgyz

    kyrgyz Well-Known Member

    There is a very interesting hybrid heli design by Sikorsky. Heli-plane?

    Rob Fritz, Craigr and Ingenious like this.

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