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 157
e, so that wejoin Ai Bg and reduce the curve to a horizontal base A^ B^ L 146 GRAPHIC DYNAMICS by setting up a length k^g^ equal to kg, and so on for thevarious ordinates of the curve upon the inclined base Aj Bg.To obtain the line D E of mean resistance we then drawthrough the pole P of the sum… … Fig. 81. by the curve A Gt B in Pig. 81, we still have the conditionthat the area of the crank efiort curve and the resistancecurve must be the same. If we know the manner in whichthe resistance varies, but do not know the exact curve tofulfil the above condition, we proceed as foUows : First drawa…
Mechanics, Applied · Dynamics · Graphic methods
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