Elements of graphic dynamics; an elementary textbook for students of mechanics and engineering (1919)
Andrews, Ewart S. (Ewart Sigmund) · London, Chapman and Hall, Ltd. · leaf 126
ndicular to 0 C to represent Vc, the velocity of thecrank-pin. By the construction that we have already ex-plained we then draw cb perpendicular to CB and draw ibhorizontal, i.e. parallel to the direction of movement of thepoint B. Then i b, measured on the velocity scale, gives usthe actual… … Fia. 65.—Crank and Connecting-rod Mechanism. perpendicular to t6, OC to ic, and CD to c6. Therefore,these triangles are similar. 0D_Vb•• OC VcV ODVc_OD-Vc•• ^^~ OC r If the crank-pin is rotating uniformly at N revolutions per sec, ^ Vo = 27rNr; .-. VB = 27rN.OD, (1) 116 GRAPHIC DYNAMICS so that 0 D…
Mechanics, Applied · Dynamics · Graphic methods
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