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 85
S a ratio of 15 will be found to be 1.26, hence the resistanceof the required plate will be 20 X 1.26 = 25.2 pounds. Streamline Forms. When a body is of such formthat it does not cause turbulence when moved through theair, the drag is entirely due to skin friction. Such a bodyis known as a… … Fig. 2. Air Flow About a Streamline Body Showing an Almost CompleteAbsence of Turbulence Except at the Extreme Rear Edge. Resist-ance Is Principally Due to Skin Friction. noted that the air stream hangs closely to the outlinethrough nearly its entire length. The drag is thereforeentirely due to the…
Airplanes
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