Measurement of the Differential and Total Thrust and Torque of Six Full-Scale Adjustable-Pitch Propellers (1933)
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tiple-tube manom- 6 inches on a tube (fig. 1) which was mounted vertically below the crankshaft central in the rear of the propeller eter, located in a dark room under the entrance cone of the tunnel. Pressures were recorded simul- as shown in Figure 2. The vertical position of the taneously witli… … Figure 2.—Set-up in propeller-research tunnel with yaw-head bank in place The yaw head at the 54-inch station was thus 3 inches with the yaw heads in front of the body for angles of above the propeller tip. yaw from 5° to the left to 15° to the right for use with The tube supports were arranged to…
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