The steam engine and turbine; a text-book for engineering colleges (1911)
Heck, Robert Culbertson Hays, 1870- · New York, D. Van Nostrand company · leaf 395
[Chap. VIII. great an effect can be produced by even a slight change in the lengthof the valve rod. Note that in case 4, where the eccentric is in linewith the crank, the motion diagram reduces to a single line, whichwould be straight with the piston in harmonic motion, but is hereslightly curved.… … Fig. 236. — Valve Diagrams from a Shaft Governor. eccentric radius, for cut-off at one-third of the stroke, and for theearliest cut-off. One-third is chosen because it will give an effectivecut-off, referred to the boiler pressure, at about one-quarter of thestroke; and it is upon this cut-off that…
Steam-engines · Steam-turbines
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
