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  • Evolution of Helicopters





    Leonardo Da Vinci
    draw his
    Helical Air Screw
    1480 Da Vinci
    Jump to
    Pioneers
    Page
    Paul Cornu
    First to take off vertically with its pilot and make a free flight entirely without assistance from the ground
    1907
    1911 Boris Yuriev
    Publish his
    abtomat perekosa
    (collective)
    Oehmichen
    First kilometer in close circuit flight for an helicopter : 7 minutes, 40 seconds
    1924
    Sikorsky Aero
    Engineering Corp




    1930
    Juan de La Cierva
    invented the hinged,
    flapping rotor blade

    Focke-Wulf Fw 61
    First practical Helicopter
    1936

    Kamov
    A-7
    Autogiro



    Weir W.6
    First with two seats
    1939
    Sikorsky VS-300

    Flettner Fl-282
    1942
    Stabilizing Bar
    Arthur Young 's Bell 30



    Hiller XH-44

    1943 First USCG
    helo
    detachment

    Jump to
    Up to 50s
    Page


    Piasecki PV 3
    First world's successful
    tandem-rotor helicopter


    1945 Founded
    Kaman Aircraft
    Research of helos powered with
    ram-jets
    mounted at the tips of the rotor blades
    1946
    Bell 47
    First World's
    certified civil helo

    Mil Bureau
    established


    1948

    Jump to
    the 50s
    Page

    Convertiplanes and then tiltrotors research begin 1950
    MASH units
    deploys helos
    in Korea
    Sikorsky S-55
    First world's certified
    commercial transport
    1951
    Kaman K-225
    First turbine gas
    powered helicopter

    1952
    Agusta Spa.


    Sud Aviation
    Alouette II

    First world's
    turbine helo
    to be produced
    1955
    Bell XV-3

    Kaman QH-43
    First world's
    remotely piloted vehicle
    1957 Mil
    Mi-6
    Hook

    Jump to
    the 60s
    Page


    1960
    Sikorsky S-61

    Mil Mi-8 Hip
    1961
    1963
    Hueys in Vietnam

    AH-1 Cobra
    1965
    Merger of
    Mc Donnell
    & Douglas
    1966
    OH-6 Cayuse
    Major distance

    Mil Mi-12 Homer
    Largest helo yet flown
    1968

    Jump to
    the 70s
    Page


    Mil Mi-24 Hind
    1970
    French industries
    joined in
    Aerospatiale

    1972 Aerospatiale
    Lama

    Major altitude

    Robinson R-22
    1973
    1975
    Agusta A109

    Mil Mi-26 Halo
    Biggest operational helo
    1977
    1979
    Bell XV-15

    Jump to
    Since 80s
    Page


    MD 500 NOTAR
    1983
    1984
    Kamov Ka-50 Hokum

    AH-64 Apache
    deliveries begun
    1985
    1989
    V-22 Osprey

    Ultrasports
    Helicopters
    1993
    1995
    Eurocopter NH90




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