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+"United States USA" +1941 stock footage and images
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Experiment showing dramatic effect of auxiiliary jet boost on takeoff performance of light aircraft
Experiments conducted at March Field, California. Comparative take-offs of Ercoupe and Porterfield airplanes showing effect of auxiliary jet thrust on Ercoupe.Both airplanes take off at the same time and exhibit similar performance. Then, the Ercoupe is equipped with an auxiliary jet booster and both airplanes take off again. The Ercoupe shows dramatically superior takeoff performance.
Ercoupe airplane takes off with only jet propulsion at March Field in California.
Flight tests of Ercoupe airplane with auxiliary jet propulsion at March Field in California. The Ercoupe airplane taxis at the field. Captain Homer A. Boushey and other crew personnel stand around the airplane. The Ercoupe takes off powered only by jet propulsion .
Flight tests of Ercoupe airplane taking off with and without jet assist at March Field in California.
Flight tests of Ercoupe airplane using auxiliary jet propulsion at March Field in California. The Ercoupe airplane taxis and takes off without jet propulsion. It is piloted by Captain Homer A. Boushey Jr. The airplane taxis and takes off with the jet propulsion.
Three U.S. technicians examine a GB-4 television receiver and test equipment at Eglin Air Force Base in Florida, United States.
Tests of GB-4 bombs (precision guided munition) in the United States during World War II. Three technicians operate a GB-4 television receiver and test equipment at Eglin Air Force Base in Florida.
Colonel William Joseph Donovan gives a speech about Hitler's policies and America's stand on it in New York.
Colonel William Joseph Donovan gives a speech in New York. He holds papers in his hands. Books arranged in shelves behind him. A lamp and a flower pot in background. He speaks about Hitler's policies and America's stand on it.
Colonel William Joseph Donovan gives a speech about American support to England on crisis in Atlantic in New York.
Colonel William Joseph Donovan gives a speech in New York. He speaks about American support to England on crisis in Atlantic. He holds papers in his hands. Books arranged in shelves behind him. A lamp in background.