 

 1911     ,       ,    .     ... , ,    ,      .     ,        .

    25  1889   .  1903  1906       .  1907      .

   1908  1911       .          ,      .

 1910          -2,      .    1912  1914    ,  ,  ,    .     -6      .

            .         .     -6          1912 . 

 1915             -16              .      -17  C-18        .

 1919     ,        ,   1923     Sikorsky Aero Engineering Corporation.  1939      15  .   1939          ,   ,   - S-51, S-55, S-56, S-61, S-64  S-65.               1967  1970  .

   ,     , -     " ".  ,  , - S-58 -    .

  ,       ,    . B 1963          -   ASME.

    26  1972     ( , ).