Airplane characteristics; a systematic introduction for flyer and student and for all who are interested in aviation (1918)
Bedell, Frederick, b. 1868- · Ithaca, N. Y., Taylor and Company · leaf 66
ounds of lift mustbe paid for by one pound of wing-resistance. Unforttmately this is not all. In addition to wings anairplane must have other parts—body, landing gear, struts,wires, etc.,—all of which have a resistance; but unlike thewings, these parts do not contribute to the lift. Theresistance… … Pig. 30. Air-flow past a cylindrical strut; air eddies andlow pressure back of strut cause high resistance. velocities parasite resistance is very great at high velocities,being perhaps fifty per cent, more than wing-resistance atordinary maximum flying velocities. In airplane flight, whileabout…
Airplanes
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