Union Pacific Big Boy 4-8-8-4 No. 4014 pauses overnight at Rawlins, Wyo., in May 2019. Big Boy’s bell is painted red to keep it looking clean and well-kept. 19143-50 Ryan Nicolay Q: Why are the insides of the bells on Union Pacific 4-8-8-4 No. 4014 and 4-8-4 No. 844 painted red? — Scott Zygutis, Antioch, […]
Train Topic: Beginners
Ask MRVP Episode 44
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 […]
Ask MRVP Episode 44
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 […]
Ask Trains: How does the Big Boy distribute weight to its front drivers?
A side view of Union Pacific Big Boy No. 4014 on a test run in May 2019. TRAINS: Jim Wrinn Q: With interest in the completion Union Pacific’s Big Boy’s restoration, how does the weight of the boiler get down to the front drivers? — Carl Amerlan, Downers Grove, Ill. A: Great question! As an […]
Ask Trains: Why was Big Boy No. 4014 picked to be restored?
Union Pacific Big Boy 4-8-8-4 No. 4014 arrives in downtown Cheyenne, Wyo., on May 4, 2019. The locomotive was chosen for restoration for a variety of reasons. TRAINS Staff Q: I may have missed it, but why was UP 4014 picked over all other displayed Big Boys? — Tom Otoski, Dayton, Ohio A: A combination […]
Blue bearing caps
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 […]
Ask MRVP: Episode 43
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. […]
Ask MRVP: Episode 43
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. […]
Ask Trains: Where are major flyovers on U.S. railroads?
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 […]
Ask Trains: What is the meaning behind Union Pacific steam locomotive code numbers?
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 […]
Ask Trains: What is the meaning behind Union Pacific steam locomotive code numbers?
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 […]
Ask Trains: How did railroads use 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 […]