Tests of Several Model Nacelle-Propeller Arrangements in Front of a Wing
Description:
Report presenting an investigation in the 20-foot wind tunnel to determine the drag, propulsive and net efficiencies, and cooling characteristics of several scale-model arrangements of air-cooled radial-engine nacelles and present-day propellers in front of an 18-percent-thick, 5-by-15-foot airfoil. Two 3-blade propellers with differing diameters were tested in conjunction with a 12-inch-diameter nacelle in three positions in front of the wing and with a 16-inch-diameter nacelle in six position…
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Date:
September 1939
Creator:
McHugh, James G.
Item Type:
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Report
Partner:
UNT Libraries Government Documents Department