United States. National Advisory Committee for Aeronautics, United States. National Aeronautics and Space Administration · Washington : G.P.O. · leaf 699
cam-shaft or crank-shaft speed, the choice being de-termined to a considerable extent by the construction of the engine with respect to ease ofattaching such an extraneous mechanism. The cam-shaft speed is much the simpler for theoperator to interpret the telephone clicks. In this case the complete… … Fig. 9.—Specimen indicator diagram in polar coordinates, pressures vs. cam-stuiltangle. The diagram is shown by the solid line, to which the right-hand pres-sure scale applies. A reproduction of that part of the curve near the pole isshown in the dotted curve, to which the 12J times magnified…
Aeronautics
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