Duncan, J. (John), d. 1941 · London, MacMillan and co., limited · leaf 562
FIG. 591.—Use of an idle wheel. FIG. 592.—Two idle wheels. of all three pitch circle circumferences must be equal, it follows thatthere will be no change in the angular-velocity ratio of A and B.Hence, N Any number of idle wheels (Fig. 592) may be inserted withoutaffecting the angular-velocity… … PLAN FIG. 593.—Train of wheels. If F, D and B be called drivers, and E, C and A followers, the above result gives us the rule that the angular-velocity ratio of the first and last wheels in the train is equal to the product of the numbers of teeth on the followers divided by the product of the…
Mechanics
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