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 36
is tipped or Hsted toward the left (seen fromaviators seat) so that wing (w) is down. By drawingvertical lines down until they intersect the horizontal lineX-X (the line of equilibrium), it will be seen that wing(w) presents more horizontal lift surface than (w) sincethe projected or effective wing… … Fig. 15 naie projected lengths (b) and (c) would be the same andthere would be no restoring effect. The dihedral would be very effective in still air, but inturbulent air, and with the body swinging back and forth,the dihedral would act in the nature of a circular guidingpath, and thus tend to…
Airplanes
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