Standardization Tests of NACA No. 1 Wind Tunnel (1925)
NASA Technical Reports Server (NTRS) · leaf 6
iations from point to point (± 1.5 per cent from the mean being a maximum) these irregularities are constant with respect to time. It was also found that the drag strut of the wire balance produced a wake of about 2 inches width in which the velocity was low but within the limit given above. Static… … Fig. 2.—End of exit cone. POWER EQUIPMENT. Power for operating the four-bladed, 10-foot (3.05 m.) propeller is furnished by a 200-HP. D. C. motor. A specially designed system of electrical regulation operates on both the drive motor and the motor-generator set which supplies the current and serves…
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