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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. […]
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 […]
Question: What do the numbers and letters mean on the side of the cab of Union Pacific Challenger 4-6-6-4 No. 3985? — Ben Fairbank, San Antonio, Texas Answer: 21 – 21 4-6-6-4-4-69 ————— 404 UP […]
Question: What do the numbers and letters mean on the side of the cab of Union Pacific Challenger 4-6-6-4 No. 3985? — Ben Fairbank, San Antonio, Texas Answer: 21 – 21 4-6-6-4-4-69 ————— 404 UP […]
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 […]
BNSF Railway ES44C4 No. 8338 works at the lead of a freight train. The locomotive’s C4 trucks have only two powered axles in the three-axle trucks arranged in a powered-unpowered-powered arrangement known as A-1-A. Tom Danneman Question: What is the purpose of the A-1-A C4 truck on the BNSF Railway Evolution Series diesels, and how […]
What appears to be an Omaha Orange and Pullman Green Great Northern Railway EMD SD9 in 2017 actually is a BNSF Railway unit that had been built in 1959 for Chicago, Burlintgon & Quincy subsidiary Colorado & Southern. For several years, BNSF has assigned Great Northern “GN” reporting marks to some older diesels generally assigned […]
BNSF Railway distributed power pushes an eastbound empty coal train at Hathaway, Mont., in June 2014. Tom Danneman Q In two recent issues, Trains stated that distributed power helps maintain trainline air for brakes. How can this be without giving up lead unit control of the brakes? – Jay Noyes, Lowell, Ind. A In distributed […]
Having trouble viewing this video? Please visit our Video FAQ page Host David Popp wants YOU to watch this episode of Ask MRVP! If for no other reason than to hear his responses to hobby questions from viewers just like you. Tune in to find out how HO scale locomotives with capacitors run through […]
Having trouble viewing this video? Please visit our Video FAQ page Host David Popp wants YOU to watch this episode of Ask MRVP! If for no other reason than to hear his responses to hobby questions from viewers just like you. Tune in to find out how HO scale locomotives with capacitors run through […]
Theo Cobb illustration Theo Cobb illustration For each turnout, make sure that the check gauge — spacing between the guardrail and the frog — is correct. Paul J. Dolkos So long as your rails are clean and your rolling stock is fine-tuned, it’s time to inspect your right-of-way for problems. This is the second of […]
Check the track voltage using a multimeter. The voltage reading should be the same along each powered track section. Paul J. Dolkos So long as your rails are clean and your rolling stock is fine-tuned, it’s time to inspect your right-of-way for problems. This is the third of five quick articles on how to check […]
