Practical instructor and reference book for locomotive firemen and engineers: a practical treatise .. (1911)
Lockhart, Charles F. (Charles Fulton), b. 1872 · New York, The Norman W. Henley publishing co. · leaf 73
straight linkand the eccentric rods are connected to the link justopposite to that of the Stephenson valve gear; the forwardmotion eccentric rod being connected to the bottom of thelink and the backward motion eccentric rod to the top ofthe link. 70 WALSCHAERT VALVE GEAR 239. When the engine is in… … isDra Fig. 8.—Allen Valve Gear. two-thirds and the link one-third of the distance necessaryto make the change desired. (See Fig. 8.) 241. The Allen valve is not essentially a part of thisgear, although it may be used in connection with it ifdesired. THE WALSCHAERT VALVE GEAR (Fig. 9) The Walschaert…
Locomotives
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