Measurement of the Differential and Total Thrust and Torque of Six Full-Scale Adjustable-Pitch Propellers (1933)
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is compared with the measured CP in Figures 21 to 26. DISCUSSION Differential thrust and torque.—A brief study of the thrust and torque gradient curves for different blade settings, Figures 5 to 7, and 18 to 20, shows the following: (1) As the blade setting is increased, the thrust of the outer… … O .1 .2 .3 .4 .5 .6 .7 .8 .9 1.0 x=r/R .08 Figure 20—Torque-gradient curves. Propeller C-10. Set 27° at 42-inch radius CP rapidly toward the tip of the blade than near the hub. V (2) As the *s lowered from the point of zero thrust, the increments of thrust are large and nearly uniform, because the…
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