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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 first car, express baggage car No. 123, was sold for scrap in 1968 at Kaplan's Scrapyard in Elmira, New York. [4]: 2 [17] The second car, RPO No. 94, was scrapped in Roanoke around 1968. [4]: 1 The third car, P3 class coach No. 539, was retired from N&W passenger service in 1971 and used in commuter rail service in Chicago, Illinois. [18]
[2] [3] When the train was running at 58 mph (93 km/h) near the Great Dismal Swamp in Suffolk, Virginia, two of the passenger cars struck a faulty switch on the main line derailing them and the other 12 passenger cars with them. [4] The locomotive, first six cars, and last two cars stayed on the rails undamaged.
Below is a table of information for the Great Northern Railway's steam roster with a symbol, Whyte notation, common name and notes. Included is a breakdown of the Great Northern classes, along with the date of their first construction (when known), builder, and road numbers.
Steel tire on a steam locomotive's driving wheel is heated with gas flames to expand and loosen it so it may be slipped over the wheel.. The steel wheel of a steam locomotive and other older types of rolling stock were usually fitted with a steel tire (American English) or tyre (in British English, Australian English and others) to provide a replaceable wearing element on a costly wheel.
Meanwhile, other railroads were leaping ahead, developing increasingly powerful passenger train locomotives. Rival New York Central built 4-6-4 Hudsons, while other roads developed passenger 4-8-2 "Mountain" type and then 4-8-4 "Northern" type designs. The PRR's steam power began to look outdated.
Most Michelines were self-propelled, but a number of locomotive-hauled trainsets were also produced. Michelines offered unprecedented ride smoothness, but they soon proved to be problematic because the low load that the wheels could bear limited railcar sizes and demanded a high number of tyres (up to 20) per car.
In Whyte notation, a 2-4-6 is a steam locomotive with two unpowered leading wheels followed by four powered driving wheels and six unpowered trailing wheels. This wheel arrangement was only used for tank locomotives; no 2-4-6 tender locomotives were made.