Tests of Nacelle-Propeller Combinations in Various Positions with Reference to Wings III : Clark Y Wing - Various Radial-engine Cowlings - Tractor Propeller (1933)
NASA Technical Reports Server (NTRS) · leaf 8
T- AD no curves are reproduced here. The reader is referred Cp Pn*D5 Pn2D4 to reference 1 for a typical set of such curves. and r] = propulsive efficiency ACCURACY _ effective thrust X velocity of advance All readings were taken on scales and instruments motor power that were calibrated frequently… … Figure 6.—Photograph of wing-nacelle combination in position B mounted for test. senting a maximum error of 1 percent. Tachometer where T, thrust of propeller operating in front of readings were accurate within 10 revolutions per minute. body (tension in crank shaft). The lift and drag were…
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