Dunkerley, Stanley, 1870- · London, New York [etc.] Longmans, Green · leaf 230
rect-acting Engine Mechanism.—Here the point A(Fig. 237) moves perpendicularly to PA, and the point B movesparallel to the guides. Hence, draw pa (Fig. 238) perpendicular tothe crank arm to represent the velocity of the crank pin on somescale; draw also pb parallel to the motion of B, and ah… … Fig. 237. Fio. 238. of the triangle pah are perpendicular to those of the triangle PAN,and therefore these two triangles are similar. Hence the velocity ratio of the piston and crank pin, which is equal to S^-\, is also PNequal, to pT as before (§ ,108). Moreover, if 0, 0, i^, have the meanings…
Machinery, Kinematics of
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