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[5] [7]: 18 Early American locomotives had bar frames, made from steel bar; in the 20th century they usually had cast steel frames or, in the final decades of steam locomotive design, a cast steel locomotive bed – a one-piece steel casting for the entire locomotive frame, cylinders, valve chests, steam pipes, and smokebox saddle, all as a ...
A drawing design of the N&W class J locomotive. After the outbreak of World War II, the Norfolk and Western Railway's (N&W) mechanical engineering team developed a new locomotive—the streamlined class J 4-8-4 Northern—to handle rising mainline passenger traffic over the Blue Ridge Mountains, especially on steep grades in Virginia and West Virginia.
The Baker mechanism consisted of the following parts: A frame which replaced the mounting for the expansion link. It came in two basic forms, depending upon whether it was attached to the locomotive frame at both ends or only at the front. In either case it had two pivots: one forward and at the top of the frame, and one below and to the rear.
Locomotive Ge 4/4 II 622 in the livery of Japanese partner railway, the Hakone Tozan Railway. The first series of the class, nos. 611–620, were originally green liveried, but have since been reliveried in the still contemporary Rhaetian Railway standard red. The second series, numbered 621–633, was delivered already painted in the red livery.
A locomotive booster for steam locomotives is a small supplementary two-cylinder steam engine back-gear-connected to the trailing truck axle on the locomotive or one of the trucks on the tender. It was invented in 1918 by Howard L. Ingersoll, assistant to the president of the New York Central Railroad .
Joy Valve Gear Diagram. Joy valve gear is a type of steam locomotive valve gear, designed by David Joy (3 March 1825 – 1903), Locomotive and Marine engineer, and patented (no. 929) on 8 March 1879. [1] The British patent has not been found but the US patent (US252224 of 10 January 1882) has. [2]
Timken chose a 4-8-4 on which to demonstrate the company's roller bearings so the locomotive could be used in all types of railroad work, especially on heavy freight and fast passenger trains. 52 manufacturers agreed to supply parts for the locomotive "on account" until the locomotive operated over 100,000 miles (160,000 km).
In the late 1930s, the Norfolk and Western Railway's (N&W) K2 and K2a 4-8-2 "Mountains" could not handle the rising passenger traffic after the Great Depression abated, so the N&W opted for a more powerful and fancy-looking passenger steam locomotive. [3] [4] The N&W mechanical department team originally considered a class N 4-8-4 type, but ...