Dunkerley, Stanley, 1870- · London, New York [etc.] Longmans, Green · leaf 149
h AB makes with its mean, or horizontal,position. The velocity ratio of the drum and piston is, therefore, ^-^——4\ = ~ cos^ d, which is not independent of 0, and is, conse-6{a tan 0) a ^ quently, not constant. Thus the rig represented in Fig. 143 is more accurate than that represented in Fig. 145.… … piston is g(5g) r, that is, - cos^ 9, B{a tan d) a h being the radius of the wheel.For a given value of 6, the variablecoefficient, cos^ 6, is more nearlyequal to unity than the coefficientcos^ d in the previous case, andthus the arrangement of Fig. 146is more accurate than that ofFig. 145.§ 98.…
Machinery, Kinematics of
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