Ask MR: What prototype rail weights do scale track codes correspond to?

A close side view of newly installed rail on a CSX main line shows lettering in the web of the rail.

Q: What weight of rail (pounds per yard), does Code 83 represent? Maybe you could publish a table of weight vs. code vs. scale? – Jeff Schredder, Burbank, Calif. A: The relation of model rail code to prototype rail weight depends, of course, on scale. I found in the March 1940 issue of Model Railroader a […]

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Ask MR: Why do these CN boxcars have built-in flashers on the ends?

Four red CN high-cube distributed braking cars in the middle of an intermodal train.

Q: I recently saw these bright orange boxcars parked near the Canadian National Woodcrest Shops. They have CN reporting marks, though I haven’t gotten close enough to get specific numbers. Many of them have red lights on both ends that look to be like the ones used at crossing gates. They must move these cars […]

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Making your cars’ wheels more free-rolling

A “truck tuner” – a double-ended reamer sized for the job – is used to clean and reshape the sockets in an HO scale truck sideframe assembly

Q: The axles stick in the journal boxes of some of my rolling stock. I tried scraping them out and lubricating them. Any help would be appreciated. – Christopher Kramer, Chicago A: Depending on what tool you’re using, scraping them out might be making the bearing surfaces rougher, worsening your problem. And lubricating axle bearing […]

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