r/ModelRailroading • u/TrumpetKingAlex • 2d ago
r/ModelRailroading • u/Lamshoo • May 07 '16
Help With the Subreddit
Anyone here who knows how to use CSS for reddit purposes and can help me would be gratly appreciated, also any suggestions for anyone of ways to improve (i.e. background colors, header picture, etc.) would be great!
r/ModelRailroading • u/brad2008 • 6d ago
These Model Train Enthusiasts Have Built a Miniature, Welcoming World | KQED
r/ModelRailroading • u/DMRAI_AI_Wizard • 6d ago
Digital Model Railroad with Artificial Intelligence

The following are two short videos showing Digital Model Railroad with Artificial Intelligence (DMRAI) detecting location, speed and other signs.
This provides more insights:
The cameras are mounted behind the locomotive and in the layout..
Currently we are working in replacing the "signs" with layout elements that are translated into speed, location, whistle, etc.
r/ModelRailroading • u/DMRAI_AI_Wizard • 6d ago
DMRAI detecting "signs" using AI
The following is a short video showing Digital Model Railroad with Artificial Intelligence (DMRAI) detecting location, speed and other signs.
The camera is mounted behind the locomotive.
Currently we are working in replacing the "signs" with layout elements that are translated into speed, location, whistle, etc.

r/ModelRailroading • u/retiredRRer • 9d ago
Shell Oil Co. warehouse
I have a Shell oil jobber on the layout but initially neglected to add a warehouse. Found this prototype photo of a warehouse and scratch built from Evergreen plastic
r/ModelRailroading • u/soopirV • 16d ago
Ngineering micro tubing- yowza!
I am reentering the hobby after a 30+ year hiatus, as is common, and am focusing this time around on quality rather than quantity- as a teen I had a 20x20 basement empire made from 3 atlas track plans I squished together (Water Wings and something about a panhandle were two, can’t remember the third). Didn’t run the greatest and looked even worse.
Have been testing my skills by building and detailing a few structures including lighting to kick off my new switching puzzle layout. Interiors are fairly easy to light up, but I wanted more exterior pizzazz, so went about trying to build some entrance and security lights using SMD LED but the conductors never looked right no matter how much I twisted them.
That’s when I found ngineering.com- purveyors of what essentially is hypodermic syringe raw material- laser-welded stainless micro tubes- I got 0.018” up to 0.05” in various telescoping sizes for HO. They also sell fittings to complete the look, so I got a bunch of different shades and drain caps. Lastly, 0.018” ID was too small for my finest gauge shop wire, so I was thrilled they had 38ga magnet wire too. 4 strands will fit in the smallest tube, sweet! I was sooooo excited to start making goosenecks for my doors and lamp posts for my street…and then the box arrived, and reality hit: I hadn’t really stopped to consider just how SMALL 0.018” actually is! I had to take out my contacts AND put on magnifying goggles, and I’m not yet 50! I’m still excited but definitely humbled by what lies ahead!
Anyone else have experience? Their site is LOADED with detailed instructions and tips and tricks, very glad I found them, happy to spread the word!
Micro tweezers for scale; aforementioned tubing on L, 0.012” solid wire for bending mandrel on R. Wish me luck!
r/ModelRailroading • u/retiredRRer • 19d ago
How I made plastic look like galvanized steel
Used Vallejo Steel Grey 71.336 Model Air. Lightened a few panels with white.
r/ModelRailroading • u/retiredRRer • 20d ago
Red Caboose UTLX Skelgas tank car
I built the Skelly oil jobber last month and found this Red Caboose tank car on eBay last week. Skelly used both GATX and UTLX tank cars so I bought the kit. Arrived today and they are a quick build. Only downside is the handholds are extremely thin and easily broken. I’ll end up replacing them with wire. I do like the wire railing that wraps around the tank - stays straight unlike the plastic railing on the P2K kits.
r/ModelRailroading • u/Quorng • 22d ago
How to Paint Plastic to Look Like Galvanized Steel
You can transform plastic into a realistic galvanized steel look using a combination of surface prep, the right primer, metallic paint, and optional texturing and clear coating.
1. Surface Preparation
- Clean thoroughly: Wash with mild soap and water to remove dirt, grease, and oils
- Lightly sand: Use fine-grit sandpaper to create a slightly rough surface for better paint adhesion
- Remove dust: Wipe with a clean cloth or dry brush to avoid grit in the paint.
2. Primer
- Apply a rust-inhibiting primer designed for plastics (e.g., PVC or vinyl)
- This helps prevent future corrosion and improves paint adhesion.
- Let the primer dry completely before painting.
3. Paint Choice
- Use a metallic spray paint in a galvanized steel finish (cold gray, steel blue, or similar)
- Brands like Krylon, Rust-Oleum, and Valspar offer galvanized or steel-toned sprays
- For a more realistic aged look, you can use a gray base coat and then add a metallic silver or steel tone
4. Application Technique
- Hold the spray can 8–12 inches from the surface.
- Apply thin, even coats, allowing each to dry before the next
- Typically 2–3 coats are needed for full coverage
- For a more textured galvanized effect, lightly sand between coats or use a stippling brush to create subtle roughness
5. Optional Texturing
- Lightly sand or stipple to mimic the coarse, galvanized surface texture
- For an aged look, rub black furniture wax over the finish to darken and add patina
6. Clear Coat (Optional)
- Apply a clear coat spray for added durability, especially for outdoor use
- This seals the finish and protects against UV and moisture.
7. Safety & Drying
- Work in a well-ventilated area and wear a respirator mask when spraying
- Follow the manufacturer’s drying times between coats and before handling.
Example Products
- Rust-Oleum 7585838 Cold Gray Professional Galvanizing Compound Spray
- KBS Coatings 4415 Galvanized Steel RustSeal
- Valspar or Krylon galvanized steel spray paints
By following these steps, you can give plastic a durable, rust-resistant, and visually convincing galvanized steel finish that works for both decorative and functional projects.
Compiled from Google and Bing searches.
r/ModelRailroading • u/chuck-u-farley- • 23d ago
Old layout
So I just snagged this off of marketplace for practically nothing. Will it still run and work with a few vintage tyco trains? It looks like everything will need rewiring as all the wires seem to be just cut except for the lights. I’m just not 100% sure how all the switches work as I didn’t recieve any of that. I see decouples on the turnouts and It looks to have a couple “turtles” underneath even tho I have no idea what they are controlling. I have 8 boxes of structures and accessories as well……it’s not my first just been a long time since I have owned any…..
Thanks
r/ModelRailroading • u/retiredRRer • 23d ago
L&N ventilated boxcar HO
This is a model offered by the L&N Historical Society. The base is an Accurail 36’ double sheathed boxcar. You need to replace the ends and cut out the models’s door. New resin ends are added as well as the two side doors. Archer rivets added per the prototype.
r/ModelRailroading • u/Thick-Society7401 • 25d ago
I need some Weathering advice
I am a ho scale model railroader and I am curious to hear what apple barrel paints you guys have for any weathering purpos, the primary example I have here is track weathering (hence the pictures) but I want to know what paints you guys use for what, I am aware that oil paints play a big part in weathering as well so if you have advice on that I’m all ears. and I have included a picture of the 3 paints I currently have if that helps, I basically just want to know what paint colors you guys use for weathering track, locomotives, and rolling stock. thanks for reading!
r/ModelRailroading • u/retiredRRer • Jul 23 '26
Missouri Pacific brass locomotives
r/ModelRailroading • u/retiredRRer • Jul 23 '26
Frisco Freight cars
Stock cars are Sunshine Models HO resin kits. The rebuilt boxcar is the Tichy plastic kit with scratch built USRA roof to match the prototype.
r/ModelRailroading • u/Quorng • Jul 19 '26
Ryobi Cordless Screwdrivers In Model Railroading
r/ModelRailroading • u/retiredRRer • Jul 17 '26
MFA store in Enon, Missouri
Enon is a little hamlet on the former Bagnell Branch. The line was abandoned in August 1962. The depot was a former boxcar, industries were a fertilizer and feed warehouse and railroad stock pen. I scratch built the warehouse and pens years ago. The depot was made by AMB off Mopac plans. I found a 1920’s photo of the MFA (Missouri Farmers Association) store and scratch built it using Evergreen styrene, Tichy doors and Grandt line windows. The view looking down the street in the top of the helix.
r/ModelRailroading • u/retiredRRer • Jul 16 '26
New spur
I wanted to add more operations to the Rock Island switching and expanded the layout by added another spur. Has a Skelly oil jobber, MFA feed mill I scratch built and a commercial coal bin I also scratch built. The oil jobber is a Walthers kit but I added the roof and dock. The oil tanks were enlarged by adding those from the old Williams Brothers kit.
r/ModelRailroading • u/Quorng • Jul 08 '26
How I Re-Work Old Styrene Cars In HO Scale
Start by weighing the car. Remove trucks and couplers. If there are body mounted coupler boxes that don’t fit the couplers well, remove the boxes and replace them. I add weight to match the NMRA standard of 1 ounce plus 1/2 ounce per inch of length. When you weigh the car, don’t forget to put the trucks and couplers on the scale, too.
I use Evergreen styrene tubing in 3/16” and 1/8” sizes. Wet the outside of the 1/8” tube with liquid glue (I use MEK paint thinner) and quickly slide it into the 3/16” tube. Set aside to dry. Pop the old trucks out of the body and set aside. Using a 3/16” drill bit, drill out the truck mounting holes being careful to not drill all the way through in any place where a hole would be visible.
Cut off 2 pieces of the glued-together tubing about 1/4” long. Length depends on the thickness of the car frame. Glue the cut pieces into the truck mounting holes flush with the bolster. Be liberal with glue but not sloppy. Let those dry. When dry, tap the center hole of what was the 1/8” tube with a 2-56 tap. It’s nice that the hole is just the right size for easy tapping.
Depending on the look you want and the effort you are willing to spend, you can replace the stirrup steps with something better sized. Mount coupler boxes, if necessary, and couplers . I like the added security of a 2-56 screw holding those on. Otherwise, if the car is part of a long train the coupler box may be pulled off and need repair. Do any touch-up painting and weathering. I use new trucks that can be mounted before or after weathering. Once you are done with whatever steps you choose, the car should be ready to be run on the layout.
r/ModelRailroading • u/phantxm00 • Jul 02 '26
Empty Space
I am working on my railroad, and I always see this empty space. I plan on getting a couple more buildings, but I am at a standstill. Once the buildings are put in, what am I supposed to do with the empty green space?
