Turbine driven oppositely rotating propellers
United States Patent 2870847
US Patent References:
Driving mechanism for air rotors, especially aircraft sustaining rotors
- - 2281203
Rotating wing aircraft
- - 2330056
Turbine
- - 2425904
Driving mechanism for air rotors, especially aircraft sustaining rotors
- - 2281203
Rotating wing aircraft
- - 2330056
Turbine
- - 2425904
Inventors:
Fry, Vern K.
Publication Date:
01/27/1959
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Assignee:
Fry, Vern K.
Primary Class:
Other Classes:
416/171
International Classes:
B64C11/48; B64C11/00
Foreign References:
| FR326896A |