Hutton, Frederick Remsen, 1853- [from old catalog] · New York, J. Wiley & sons; [etc., etc.] · leaf 212
row is increased. These motion-curves can be experimen-tally drawn by the engine itself. If a board carrying astretched paper be made to slide by attachment to the cross- VA L VE- GEA RING. 175 head, while the bell-crank attached to the valve-stem at one endcarries a pencil at the other so that the… … Fig. 136.The motion-curve method, while very convenient forstudying the peculiarities of valve-motions which have alreadybeen worked out and for working with cam-motions, is notapplicable to the design of new valve-gears which must beworked out to meet and fill designated conditions. For…
Mechanical engineering · Steam power plants
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