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 195
of incidence, the front wing does the sameamount of lifting in all cases, the difference being en-tirely due to the changes in the rear surface. In (2)the lift of the rear aerofoil is actually 13 per cent greaterthan the front plane. The following tables give the results : TABLE OF LIFTS IN GRAMS… … Fig. 13. Drzewiecki Tandem Arrangement for Longitudinal Stability. The lifts in the above table are for the two planesworking together, and the angle of incidence is the angleof the front aerofoil, or rather the angle of the combina-tion. The wings were 15x90 centimeters, aspect ratio = 6. PLAN…
Airplanes
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