Ludy, Llewellyn V., 1875- [from old catalog], American Technical Society · Chicago, American technical society · leaf 159
travel of the valve will beequal to twice the throw of the eccentric C. In other words, whenin full gear, only one eccentric moves the valve, as was the case whenusing gab-hooks. As the link is raised, both of the eccentrics havean effect on the motion of the valve, the result being very much… … Fig. 55. Diagram of Stephenson Gear Showing Link Block and Rocker center of this resultant eccentric would be on the center line of themotion, midway between the two actual eccentrics. At this point,the radius of the resultant eccentric would be equal to the sum ofthe lap and lead in full gear.…
Indicators for steam-engines · Steam-engines
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