Transportation time-line assignment.

By lma2917
  • 400 BCE

    400 BC

    400 BC
    Chinese bamboo toy consisting of a stick and rotor was the earliest form of a helicopter.
  • 1480

    1480

    1480
    Leonard De Vinci made the aerial screw, an aircraft with screw like configuration that produced lift when spun. He only made drawing though never a real model.

  • 1784

    1784
    Christian De Launoy crated a model with two rotors that spun out in opposite directions; therefore balancing out the torque reaction and improving stability and handling.

  • 1861

    1861
    The first aluminium was used in helicopters. It was advantageous as it was light, strong and corrosion resistant.

  • 1962

    1962
    Skids replace wheels as landing gear in light weight helicopters. They were advantageous as they were light weight and simple to connect.

  • 1865

    1865
    Fiberglass was used in construction of helicopters, particularly for the blades and airframe.

  • 1870

    1870
    The Coaxial was made by Alphonse Penaud. It consisted of a pair of rotors fitted onto the same shaft. Which spun the same axis as each other. Each rotor spun in different directions. It was so the torque was balance reaction.

  • 1972

    1972
    The first derivative of stealth was developed in the US military.

  • 1906

    1906
    Paul Cornu invented the first pilot driving helicopter. His helicopter incorporated two six metre rotors in counterrotation to each other. The helicopter was made from a simple airframe constructed from steel.

  • 1920

    1920
    Emile and Henry Berliner, Father and daughter, developed a rotor capable of movement on x-axis. This provided directional control of the helicopter

  • 1930

    1930
    Stud welding was invented and used for industrial use for purposes such as welding steel.

  • 1935

    1935
    Fiberglass was developed, but wasn't used in helicopter until 1965.

  • 1936

    1936
    Heinrich Karl Johnson Focke made the first helicopter that was fully controlled by a pilot; the Fw 61.

  • 1940

    1940
    Igor Sikorsky created the first successful helicopter that has formed one of the fundementals of a helicopter design.

  • 2000

    2000
    The USA military developed the first fully controllable unmanned helicopter (externally controlled).

  • 2010

    2010
    The first electric helicopter was created by Sikorsky. ( an American aviation company).