Larry Johnson asked if in the US, do passenger trains or freight trains have priority? Cody Grivno and Steve Sweeney have an answer. […]
Do passengers trains or freight trains have priority?
Section: Beginners
What is a mobile decoder?
Q: In the sidebar “Building consists” on page 39 of the April 2021 issue [add link to digital issue here], the author refers to a “mobile decoder.” What is that, and how does it reinforce something called a DCC track bus? I’m new to DCC and unfamiliar with both of those terms. – Dave Smith, […]
Where on a car should a consolidated stencil be placed?
Q: I’m interested in correctly applying consolidated stencils to rail cars existing in 1972 when consolidated stencils were introduced. Please describe the parameters of the area on a rail car within which the consolidated stencil must be located. This is possibly described in AAR Field Guide, Rule 80. – Chris Roehl A: Hi, Chris. You’re right; the […]
Difference between an SW7 and a SW1500
Walt Hughes from Cincinnati, Ohio, always used the side rails (or lack of them) to tell the difference between an SW7 and an SW1500. Now he’s not sure if that’s the best method, and wants to know is SW7s and SW1500s come both ways. Cody Grivno is here to help! […]
Info on installing a switch machine
Wayne Meeds wants to know where they can information on how to install a Tortoise switch machine with limited clearance under the roadbed. Cody Grivno is here to help out. […]
Why are there four digit numbers on locomotives?
Brandon Muir from Canada wonders why locomotives in North America often have four digit numbers, and if the same number would be used in more than one railroad. Cody Grivno, Group Technical Editor, is here to explain. […]
Trouble with locomotives on back-order
David King from Australia wants to model Burlington Northern and BNSF, but most of the models are on back-order. Group Technical Editor Cody Grivno is here to explain why that might be. […]
DCC wiring for a shelf layout
My little shelf layout is made from track and lumber salvaged from a small model railroad I was building in my apartment living room back in Pennsylvania before I moved to Wisconsin to work for Model Railroader. In my current living room, I only have room for a shelf layout, which is built into an […]
Ask MR: Why do my tender’s wheels bottom out on turnouts?
Q: I have an N scale Model Power 4-6-2 steam engine whose tender derails on my Atlas code 55 turnouts. Though the major problem was related to the drawbar, I also found that the tender’s wheel flanges were bottoming out through the frog’s shallow flangeways. I thought when I bought the engine many years ago that […]
Ask MR: What do you know about Santa Fe’s train NCX?
Q: I’ve heard about a freight train the Atchison, Topeka & Santa Fe operated in the early 1970s and earlier in California called the NCX. The few references I’ve seen indicate it was a hotshot intermodal train. This train sounds interesting, especially since it ran at the same time as the famous Santa Fe Super […]
Ask MR: What should I use to detail my lumber mill?
Q: My layout will have four lumber mills and a planing mill. Where do I get real HO scale lumber and plywood to detail them? Also, do I use covered hoppers to haul sawdust, and where can I get sawdust that doesn’t have oil or grease in it? – Russell C. Brenchley A: Scale lumber, […]
Ask MR: How do I fix low-hanging trip pins?
Q: I have a Bachmann stockcar whose couplers hang down so low that the pins catch on turnout closure rails, grade crossings, or crossing diamonds. How can I get them up to the right height? Will a coupler shim work, or do I need to do something else? – Joseph Kuepfer, Milverton, Ont. A: That depends […]
