Hutton, Frederick Remsen, 1853- [from old catalog] · New York, J. Wiley & sons; [etc., etc.] · leaf 243
D Fig. 174.and- groove. The difficulty is that the inside surface of thegroove drives the roller on the lifting stroke, and the outsidesurface of the groove drives the roller on the reverse stroke. … Fig. 175. Hence at each reversal of motion the rotation of the rollermust be instantly reversed, and the inertia of the roller resist-ing this reversal prevents perfect rolling contact at those CAM AND RELEASE VALVE-GEAR. 20/ points of reversal, and wear and rattle ensue. The difficultiesfrom the…
Mechanical engineering · Steam power plants
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