Notes and examples in mechanics; with an appendix on the graphical statics of mechanism; (1903)
Church, Irving P. (Irving Porter), 1851-1931 · New York, J. Wiley & sons; [etc., etc.] · leaf 104
essure =^ P onFig. 108. the hinder cylinder-head at B ; whence, for equilibrium (i.e., more strictly, for a very small fr\acceleration), P — P — R, and finally P — \~)R^ as the neces-sary total effective steam-pressure on the one piston to start thetrain w^hen the draw-bar resistance is R… … P) the value P ^ P — [t;)^^ [since, from moments about P, Pr = P{r — <3^)]. Hence, as regards the locomotive-frame, wenow find a hachward force P at the axle-bearing ; but there is 96 NOTES AND EXAMPLES IN MECHANICS. now a forward steam-pressure, P, against the front cjlinder-Lead, so that P — P…
