See PDFs of the patent drawings covering elements of the Pennsy’s S2 turbine locomotive […]
Train Topic: Encyclopedia
Calculated drawbar horsepower curves for 4-8-4s
This graph shows the calculated drawbar horsepower curves for five classes in the first wave of 4-8-4s: Lackawanna Q-1, Canadian National U-2-a, Northern Pacific A, Santa Fe 3751, and Canadian Pacific K-1. Neil Carlson In the days of steam it was a normal practice to estimate the horsepower potential of a locomotive. Baldwin Locomotive Works […]
Glossary of steam locomotive terms
Richmond, Fredericksburg & Potomac 4-8-4 No. 602, named Governor Thomas Jefferson, rushes an 18-car passenger train toward Washington, D.C., near Four Mile Run, Va., in June 1940. C. W. Whitbeck Back pressure Back pressure is caused by the resistance of the exhaust steam exiting the cylinders. Overcoming this resistance represents negative work done by the […]
Coal cars’ reporting marks exposed
BNSF 9801 led this coal train through Willow Creek, Ind., on Jan. 1, 2009. DETX 994336 is one of 5,700 coal cars owned by Detroit Edison Co. Kathi Kube It’s easy enough to identify reporting marks for Class I railroads, as well as a multitude of short lines and regionals, but the reporting marks on […]
T-1 Construction Photos
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Steam locomotive profile: 0-4-0
Baltimore & Ohio constructed this replica of the 0-4-0 Tom Thumb, its first steam locomotive. The original Tom Thumb was built in New York by inventor Peter Cooper, and made a successful first trip on August 25, 1830, when it pushed an open car hauling 18 passengers from Baltimore to Ellicott’s Mills. Early four-coupled locomotives […]
Distinctive diesels
Four-unit locomotive No. 103 of GM’s Electro-Motive Corporation. Electro-Motive FT Tagged “the diesel that did it” by David P. Morgan, longtime editor of Trains Magazine, in a 1960 feature story, four-unit locomotive No. 103 of General Motors’ Electro-Motive Corporation was outshopped at a Grange, IL, plant in November 1939 (the firm later became GM’s Electro-Motive […]
Texas Types: Musclemen of steam
Texas & Pacific 600 was from the first group of 2-10-4’s. In 1919 Santa Fe purchased a group of 2-10-2’s. One of them, No. 3829, was built with an experimental four-wheel trailing truck, but was otherwise identical to the rest of the group. The experiment was inconclusive: No. 3829 was not converted to a 2-10-2, […]
The Berkshire: Steam’s fast-freight legend
One of Nickel Plate’s handsome Berkshires leads a westward freight across the Grand River bridge in Painesville, Ohio. No. 802 was originally built for the Wheeling & Lake Erie in 1937, then went to work for the Nickel Plate Road in 1949 when the NKP leased the W&LE. John A. Rehor In 1920, when American […]
Steam locomotive profile: 0-6-0
Rock Island switcher No. 283 was one of ten USRA 0-6-0s delivered to the railroad in 1919. W. Krambeck The 0-6-0 began life as a road engine in the late 1830s but was built only in limited numbers. Like the 0-4-0, the 0-6-0 could not easily traverse the poor track of the day, and within […]
Metra
Slant-nosed Metra F40PH-2Ms are seen powering Rock Island district trains, approaching Chicago’s LaSalle St. Station on December 15, 1997. Howard Ande Commuter trains have long been a part of Chicago’s railroad scene, appropriately enough for the railroad capital of the world. Illinois Central, the first railroad west of New York and Philadelphia to offer commuter […]
South Shore Line
A pair of NICTD South Shore MU cars, led by #15, traverse the streets of Michigan City, Ind., with train 508 on June 13, 1998, at 1:28 p.m. Street running is one of the highlights of this interurban’s operations. George Fletcher Passenger service on the South Shore dates back to 1903, with the opening of […]
