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Thread: Piasecki X-49 SpeedHawk compound helicopter - GIF

  1. Oct 24, 2021, 10:51 PM #1
    Altair
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    Piasecki X-49 SpeedHawk compound helicopter - GIF

    Piasecki X-49 SpeedHawk prototype compound helicopter.




    Previously:

    Kamov Ka-22 compound helicopter - photo
    Sikorsky-Boeing SB-1 Defiant helicopter - GIF
    Bell V-280 Valor tiltrotor aircraft - photo and video
    Bell HSL-1 helicopter - photo
    Piasecki PA-97 Helistat hybrid aircraft - photo

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    nova_robotics (Oct 25, 2021), Rangi (Oct 25, 2021)
  3. Oct 24, 2021, 11:44 PM #2
    Frank S
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    Not to mention doing away with an entire rt angle gear box as well.
    Theoretically there should ultimately be a significant increase in range per 100lb. fuel consumed

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