Hoppi-Copter
Pentecost HX-1 Hoppi-Copter
The Hoppi-Copter was a functional backpack helicopter developed by Hoppi-Copters Inc. founded by Horace T. Pentecost in the 1940s.[1] The original Hoppi-Copter consisted of two contra-rotating rotors on a pole attached to a motorized backpack.[2] Although it was capable of flight, it was extremely hard to control.[3]
Later prototypes of the Hoppi-Copter included versions with the pilot in a sitting position, and were in effect miniature one-man helicopters of a more conventional design.[1] None were ever adopted commercially.[3]
Variants
- Pentecost HX-1 Hoppi-Copter
- Hoppi-copter 101
- Hoppi-copter 102
- Hoppi-copter Firefly
References
- 1 2 "The Hoppi-Copter" (PDF). Flight. October 14, 1948. Retrieved January 7, 2016.
- ↑ Pentecost, Horace T. (17 Oct 1945), US2461347 A, Helicopter adapted to be attached to a pilot, retrieved 2016-01-07
- 1 2 "Pentecost HX-1 (Model 100) Hoppi-Copter". Smithsonian National Air and Space Museum. Retrieved 2016-01-07.
See also
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