Maurer, Edward R. (Edward Rose), b. 1869 · New York : John Wiley & sons, inc.; [etc., etc.] · leaf 228
e be-tween this normal and the common tangent of the pitchcircles is called obliquity of the normal. In some gearsthis obliquity remains constant, as the gears turn; inothers, it varies. In the figure, 0 is the pitch point, OTthe common tangent to the pitch circles, AO the normalfor the teeth… … Fig. 342 2l6 Chap, x obliquity of T, and R = resistance, — all on the supposition that theappliance is frictionless, or e = i. Then, considering torques on the threeshafts it is plain that P X i8 = r X 2 cos ^, r X lo cos ^ = r X 2 cos 6,r X locos^ = R X 5.375;and from these it follows that R/P,…
Mechanics
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