late 1900s

  1. S

    Igor Sikorsky's first helicopters (1909-1910)

    Presenting Igor Sikorsky as the father of the helicopter is not so far-fetched as it may seem. His 1939 tests of the VS-300 were hardly the first successful flights of a rotorcraft, but they marked the first time someone built a helicopter, flew it sufficiently high and long and repeatedly to...