Aeroplane construction and operation; including notes on aeroplane design and aerodynamic calculation, materials, etc. A comprehensive illustrated manual of instruction for aeroplane constructors, aviators, aero-mechanics, flight officers and students. Adapted either for schools or home study (1918)
Rathbun, John B · Chicago : Stanton and Van Vliet Co. · leaf 62
sistance must be such that theclimb interfers as little as possible with the forwardvelocity. Great climbing ability means a large power reserve,hence the weight carried per horsepower is reduced tofrom 8 to 12 pounds on the fastest machines, against the16 to 18 pounds carried on the larger and… … 56 MILITARY AEROPLANES to about 5.5, or in other words, the strength is relativelyonly half that of the usual type of aeroplane. This greatreduction in strength calls for careful handling, especiallyin landing, and also painstaking care in the design andchoice of materials. High speeds and…
Airplanes
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