Balloon developed by Army Air Service, Eng. Division, has capacity of 5000 cu. ft. and is capable of lifting 180-lb. man and remaining in air for 4 hr. with expenditure of only 35 lb. of ballast; effect of propeller control; tests.
New type of aircraft -- The jumping balloon
Aviation
Aviation ; 14 , n 18
1923
2 pages
1 Fig.
Article (Journal)
English
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