Helio-Gyro-Copter invented by Jesse D. Langdon. ?
Helio-Gyro-Copter invented by Jesse D. Langdon. The propeller and its wide circular rim act both as a gyroscope and a rotor. It weighed 1659 pounds and had a 625-horsepower motor. Nov. 12, 1930. (CSU_ALPHA_1514) CSU Archives/Everett Collection
Picture No
10675105
Media ID
45228170
Size
3000px x 2388px
(1.7MB)
Credit
Mary Evans / Everett Collection
Usage Restrictions
Strictly editorial use only. Please contact Mary Evans if any other use required
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Copter Csu 2012 12 Csualpha Experimental Gyro Gyroscope Helio Horsepower Hybrids Invented Langdon Occupational Pounds Propeller Propellers Rotor Rotors Rs3wn Weighed
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