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    Promising high-speed helicopter (PSV)

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    LMFS

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    Re: Promising high-speed helicopter (PSV)

    Post  LMFS on Mon Nov 05, 2018 10:16 am

    Patent of a Russian high speed helicopter as seen in the last Kamov proposal

    https://patents.google.com/patent/RU168554U1/en

    From http://charly015.blogspot.com/

    Interesting analysis of design principles and comparison with S-97
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    George1

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    Re: Promising high-speed helicopter (PSV)

    Post  George1 on Mon Nov 05, 2018 12:03 pm

    LMFS wrote:Patent of a Russian high speed helicopter as seen in the last Kamov proposal

    https://patents.google.com/patent/RU168554U1/en

    From http://charly015.blogspot.com/

    Interesting analysis of design principles and comparison with S-97

    its an old file, 2+ years ago

      Current date/time is Mon Nov 19, 2018 7:11 am