Berger-Helicopter

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Hans Berger, a noted Swiss inventor, formed Berger-Helicopter, to develop a series of light helicopters of his own design. The BX-50 of 1961 and the BX-110 of 1974 were built as prototypes, with the BX-110 proving sound enough to earn a certificate of airworthiness from the Swiss Board of Aviation. Besides these two machines, Berger's other inventions were a jet-powered car, and numerous other helicopter designs. Professionally, Berger was the sales representative for Brantly in Switzerland and Liechtenstein.

Unbuilt Berger helicopter projects[edit]

  • Berger HB-25 - 4 seat design with turbine power
  • Berger BX-50
  • Berger BX-110
  • Berger BX-111 - 2 seat design with Wankel-type engine and coaxial rotors
  • Berger BX-200 - 2 seat design with turbine power
  • Berger BX-300 - 3 seat design with stub wings, to be powered by Turboméca turbine

References[edit]

  • Gunston, Bill (1993). World Encyclopedia of Aircraft Manufacturers. Annapolis: Naval Institute Press. p. 45. 
  • Aero Revue (March 1964)
  • Der Flieger (March 1964)
  • Cockpit (December 1989)