Dunkerley, Stanley, 1870- · London, New York [etc.] Longmans, Green · leaf 170
NG OF FOUR LOIVER PAIRS. 159 increments in these angles, draw the mechanism in a secondposition very near to the first (Fig. 169). Since each, side of thetriangle OAB turns through the same angle, namely, S^, the arcAA is equal to PA • SO and also to AO. S^, and therefore— ^ PA AN,_ ,.„ Moreover,… … Fig. 1G9. are increasing, ip is decreasing. And since the angular velocityratios of the three turning pairs at P, B, and A are proportional toS0, S^, Si// respectively, the above relationship may be expressedin words as foUows; namely, that if the length of the connectingrod AB be taken to…
Machinery, Kinematics of
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