Ask MRVP Episode 44

David Popp introduces a video while standing in front of the N scale Canadian Canyons layout.

Having trouble viewing this video?   Please visit our Video FAQ page You’ve got the questions and David’s got the answers (well, most of them) in this month’s Ask MRVP! Topics covered include curve radii, styrene measurements, scaling up an N scale layout, foam board for layout construction, puffball tree videos, weathering ballast, doghouses, and […]

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Ask MRVP Episode 44

David Popp introduces a video while standing in front of the N scale Canadian Canyons layout.

Having trouble viewing this video?   Please visit our Video FAQ page You’ve got the questions and David’s got the answers (well, most of them) in this month’s Ask MRVP! Topics covered include curve radii, styrene measurements, scaling up an N scale layout, foam board for layout construction, puffball tree videos, weathering ballast, doghouses, and […]

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Blue bearing caps

TRNAT1116_02

This blue roller bearing cap is a Brenco Class K 6 1⁄2 x 9 model. These are more common as half of the freight-car fleet is made of heavier cars. Bucyrus Railcar Repair Q Why are the roller bearing caps of some freight cars painted blue? – Nathan Penn, Monmouth, Ill. A In 1988, the […]

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Ask MRVP: Episode 43

David Popp introduces a video while standing behind a counter in the Model Railroader workshop.

Having trouble viewing this video?   Please visit our Video FAQ page But wait…there’s more! More from Ask MRVP host David Popp, as he shares answers to questions YOU have about couplers, track cleaining, ballast options, painting techniques, and other topics in the model railroading hobby. […]

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Ask MRVP: Episode 43

David Popp introduces a video while standing behind a counter in the Model Railroader workshop.

Having trouble viewing this video?   Please visit our Video FAQ page But wait…there’s more! More from Ask MRVP host David Popp, as he shares answers to questions YOU have about couplers, track cleaining, ballast options, painting techniques, and other topics in the model railroading hobby. […]

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Ask Trains: Where are major flyovers on U.S. railroads?

Zoo Interlocking Flyover Philadelphia Pennsylvania

A train-view of a flyover at Zoo Interlocking in Philadelphia. Brian Solomon Question: Where are some other mainline flyovers in the U.S.? — Frank Klos, San Diego, Calif. Answer: A flyover is grade-separated track arrangement used to keep busy lines fluid by avoiding the need for conflicting crossover movements, often built in conjunction with junctions […]

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Ask Trains: How did railroads use classification lamps and flags?

Ask Trains Classification lamps and flags

Classification lights on Dakota, Minnesota & Eastern SD40-2 No. 6090. David C. Schauer Question: When a train displays color flags on the engine indicating “Extra” or “Second” section, how is that information used in the operation of the railroad? — Robert Miller, Hernando, Fla. Answer: A complete answer is available in Trains’ online “ABCs of […]

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