Librascope makes possible determination within minute or two, right up to moment of taking off, of most efficient operating conditions for flight of any distance under any set of variable factors such as gross weight of airplane, altitude, air temperature, wind direction and velocity, course of flight, engine revolutions per minute, horsepower, and elapsed time of flight.
Mechanical flight computor
Flight
Flight ; 40 , n 1708
1941
Article (Journal)
English
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British Library Conference Proceedings | 1991
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