Glossary of steam locomotive terms

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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 […]

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Calculating track grade

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Three Deseret Power Railway E60Cs begin the short but steep 2-percent descent into Coyote Basin near Bonanza, Utah, on July 8, 2009. David Honan Q How do you figure out the percent of the grade of a railroad track?— Richard Buckhold, Kirkwood, Mo. A Grades are expressed as the rise in feet per 100 feet […]

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Pandrol rail fasteners

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A Pandrol e-clip elastic rail fastener secures the rail to the tie, along with a type of hairpin spike. TRAINS: Kathi Kube Q How do Pandrol clips secure rails to concrete or wooden ties?— John Trifari, Sunnyvale, Calif. A The clips are made of spring steel and must be pressed into position by machinery or […]

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Switch key

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Q I bought this key almost 20 years ago. I know it’s from the “Frisco,” but can anyone date it or explain the “S” stamp?— Rick Goodell, Etna, Maine A A plain “S,” like on the key shown, means it is a switch key. Early railroad switch padlocks and keys came in various styles, but […]

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Model train set video demonstrations

MRR 021412 Walthers Trainline HO train set

Most model railroaders get started in the hobby with a ready-to-run train set. These sets include a locomotive, cars, track, and a power pack. In these videos you’ll see members of the Model Railroader magazine staff showing you how to set up and run some recently released model train sets. Are you new to the […]

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A train in TRAINS’ driveway

Flagg Coal Co. No. 75 pays a visit to the offices of Kalmbach Publishing on August 16, 2011. The 0-4-0 tank engine was built by the Vulcan Iron Works in 1930. Now privately owned, it travels around the country to tourist railroads, and made a flag stop (ha ha) at Kalmbach, courtesy of owner John […]

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