Category Archives: Construction

Benchwork and Lighting Complete!

Upper deck lighting
View showing the upper deck lighting and lighting benchwork. A 12″ valance will cover the lights

Passed a big milestone this last week, the completion of all benchwork! The last layer of benchwork was the lighting valance above the upper level. It was made from 1×4″ boards for the valance and 1×2″ supports ripped from 1x4s for the rest of the structure. This allowed me to place the light fixtures for the upper level, 22 total fixtures spread out about every 2 feet. Like the lower deck, the lights are multi-color, dimmable, LED smart bulbs controlled by an app on my phone. I’ve got them grouped to work as a whole either by deck or the whole layout including overheads.

Very last piece of benchwork
Here’s the very last piece of benchwork ready to be installed

While the bulbs only draw 9W, they’re 60W equivalents… 47 60W-equivalent lightbulbs in a 12×16′ room!… Let’s just say it’s about as bright as daylight which is the idea, right? Even with all these lights, I’m still only drawing around 420W total, so I’m nowhere near the max capacity of the circuit. Technology is pretty cool! Next step, track for the upper level.

Upper deck lighting
Overview of the layout room showing most of the 47 LED lightbulbs

Fourth Level Benchwork

Top shelf lighting benchwork
A wide-angle view of the layout showing how the lighting benchwork follows the shape of the lower levels

No, that’s not a typo! I’m about halfway through my fourth level of benchwork for this layout. The first level is staging, the second is the lower deck, the third is the upper deck, and the fourth is for the lighting valance. I decided to go ahead and knock this out before putting any track on the upper level so I can install the lighting before I start hand-laying track (which will be most helpful). The good news is once I complete this level, it will complete my benchwork for the layout!… at least phase 1… if there are future phases.

My basement ceilings are 9 feet high, so I’m putting the lighting benchwork around 7.5 feet. The backdrops for the upper deck will be a lot taller than the lower deck, but this is necessary because you’re looking up at them. There will be a 1-foot tall fascia on the front of this level to constrain the view a bit and to hide the lights. I’m making it strong enough to hold some thin plywood so I can use the top to store some lighter things–a requirement from “building management” to compensate for me taking over the storage room.

Top shelf lighting benchwork
Here’s the first piece of lighting shelf benchwork–you can see the backdrop will be taller on the upper deck

 

Top shelf lighting benchwork
Part of the layout is under the stairs, and there’s an air duct in the way requiring some creative construction

Rethinking Layout Lighting

Upper Deck Benchwork Complete
Upper level benchwork showing the new lighting fixtures for the lower level

A few weeks ago I posted about installing the first lights on the layout. I’m using multi-color, dimmable LED smart bulbs, and one of the surprises I faced was the limited angle of “light throw” from the LEDs compared to incandescent bulbs when mounted horizontally like they were on my last layout. I experimented with ways to get the bulbs to sit vertically and came up with this style of lighting fixture. It’s a simple setup with two blocks of 1×2″ lumber about 3″ long and a piece of 1×4″ lumber about 5″ long cantilevered off the top. The 1×2″ pieces are cut 45 degrees on one end which allows the plastic fixture to snuggle into the blocks above the benchwork edge to get the lightbulb as close to the layout edge as practical. The globe area of the bulb now sticks out about 1″ below the benchwork which does wonders for eliminating awkward shadows from the benchwork (this 1″ will be covered by fascia eventually so you’re not staring at bright bulbs while running trains). The major drawback to this method is it requires a lot of vertical space, so I’m having to adjust my track elevations on the upper deck upward about 1″, and I’m having to strategically space my lights to avoid areas where creeks and valleys will run all the way to the fascia.

Old Layout Lighting Fixture
The original horizontal orientation for the simple plastic screw-in bases
Layout lighting fixture
The new lighting fixture that casts more light downward
Layout lighting fixture
View of the new fixtures from below

Despite this drawback, I’m REALLY happy with the lighting this provides and the flexibility inherent in the multi-color smart bulbs! Like my last layout, I’m placing them about 24″ apart to get good lighting into all the spaces. They’re 60W equivalent bulbs, so when they’re on full power, it’s really bright… too bright. I find dimming them to about 65% is just about right, but the beauty is I can change this at any time using my phone app that controls them. I can also adjust the light temperature anywhere between 2700-6500K to get a good “daylight” feel, and I’ve found a nice blue/cyan color I can turn down to 1% brightness to get a moonlight feel and still be able to see what’s going on. To counteract some of the shadowing on the extreme aisle edge of the lower deck, I installed the same LED smart bulbs in my four overhead fixtures–they can be tuned to the same color as the layout lights. I also installed a smart dimming outlet I can run from the same app that controls the strings of cheap LED soft white Christmas lights under the layout that illuminate the staging yards and aisles.

Nighttime at Mayflower
The new LED layout lights can be used to simulate a wide range of lighting conditions including “moonlit night”
Nighttime at Mayflower
A pair of F-units are working late into the night to finish up the work of the Black Mountain Local

I’m running the lighting with three groupings in the app, one for “main” (all LED smart bulbs), one for “overheads” (just the four overhead lights), and one for “aisles.” This setup gives me the ability to control the intensity and color going to the layout, and it allows me to turn the overheads to full brightness even if the lighting closer to the layout is dimmer. The aisle lights can be turned off or on independently, and the brightness can be adjusted based on layout lighting conditions.

Under layout lighting
Cheap strings of LED Christmas lights light up the aisles and staging yards
Under layout lighting
LED Christmas lights illuminating the paperwork area under Mayflower

All told, the layout will need about 45 of these bulbs. At ~$6.50 apiece, it’s not the cheapest option, but I’ve been very happy with the results! Hopefully I’ll get at least a few years out of the bulbs before having to replace them. I’ll keep playing around with the colors and intensities and seek feedback from other operators and will share what I learn over time.

Layout Lighting Smart Light LEDs
Here’s what I’m using, TreatLife 60W equivalent (9W actual) multi-color LED smart lights

 

Upper Level Benchwork Complete

Upper Deck Benchwork Complete
A shot from the door of the completed upper-deck benchwork

The layout passed another milestone this past weekend–the upper-deck benchwork is now complete! Most of it was pretty straightforward, and the average deck height (top of benchwork) is 60″. A few sections required some creative engineering and some non-90 and 45 degree cuts. One tricky section was the top of the helix where the tracks transition through the upper deck benchwork. I used a piece of elevated benchwork and a plywood bridge to make this transition.

Crossing from lower to upper deck
This was a challenging section to engineer–the track comes off the helix, ducks under a piece of elevated benchwork, then runs on top of the upper deck

Another tricky section was the last piece which holds the tail track for the switchback to Benedict at the end of the line. This piece goes in front of the basement breaker panel, so I had to engineer it so the door can be easily and fully opened and accessed, and I designed this section to be removable in case any major work is required someday. As you can see from the first photo, the lighting is in but very visible–these will be hidden behind fascia once the upper-deck trackwork is in.

Last piece of upper deck benchwork
This was the last piece of benchwork for the upper level. This piece allows the breaker box to be opened, and it’s removable in case there are bigger issues

Moment of Truth

CV Local near top of grade
Here’s a representative CV Local with an RS3, 11 hoppers, and a cab nearing the top of the grade

With a portion of the upper-deck benchwork in place, I was able to complete the connector track from the top of the helix to the top of the grade along the back of the layout. The moment of truth had arrived where I would figure out if a key assumption I had made would hold true. My helix is aggressive: 24″ radius and 3% grade! At the top of the helix is an S-curve into another 24″ curve in the opposite direction and a short straight section to reach the top of the grade. Based on experience with the first helix (also 24″ radius and 3% grade), I estimated my lightest engine could pull about a dozen empty hopper cars and a caboose up the helix. The lightest engine is an Athearn RS3 used on the CV Local, and in the 1960s and early ’70s, this job only hauled a handful of cars onto the St. Charles Branch, perhaps 6-10 on a given day.

S-curve at top of grade
Here’s the track where it exits the helix and continues up-grade to the right through the upper-deck benchwork

I loaded up an RS3 with 12 cars (including 3 really heavy Tangent cars) and headed for the first helix. With the Tangent cars, the RS3 stalled out on the grade–uh oh! I removed one hopper and tried again. Thankfully it was able to climb the first hill, albeit with the throttle at 1/4 speed and the Tsunami2 howling at run 8! After a brief respite of relatively level track in St. Charles, the train attacked the second helix to the upper deck. Three-and-a-half turns and 20″ higher, the train exited the helix and entered the S-curve, coming to the crest of the grade without stalling. So, 11 cars is my current limit, and while it’s slightly less margin than I had hoped, it’s good enough that it won’t restrict my operating scheme.

Southern mine run at top of grade
Two Southern F-units have no trouble pulling 33 cars to the top of the 3% grade

Just to be sure, I latched a pair of Intermountain F7s to 33 Southern hoppers and tried the same thing. No problem! Two locomotives have plenty of power to haul more than enough cars up the grade. It was cool to see trains actually running on the upper deck, even if the section they’re currently in will be hidden by hills.

Let There Be Light!

… And there was light. (Genesis 1:3)

Layout Lighting Installation
The first layout lights are in! Here’s the “cool white” that I like for daytime

While my light is nowhere near as impressive as God’s light in Genesis, it still makes me glad to see a little more light on the trains in the basement. Now that I’ve got some upper-deck benchwork in, it opened the way to try out the layout lighting I’ve been wanting to do for a while. I’ve looked into LED strings and other bundled lights, but in the end, I’ve settled on using individual multi-color LED “smart lights” I can control with my phone. It’s not the cheapest solution (about $7 a bulb, and my layout needs 40), but it’s bright, and they’re customizable for a dizzying array of colors and brightness!

This is a more modern evolution of the lighting on my last layout which used cheap plastic fixtures and compact 40W lightbulbs. I was able to recycle the fixtures and wiring for this project, but the technology is so much better than my previous little analog dimmer. Not only are the LEDs brighter, but they run cooler, only use 9W each, and I can get a nice “cool white” that looks a lot more like sunlight than incandescent lights. I was also able to play around with the colors and dimmer, and a wide range of effects are possible including a nice moonlit night and a warm sunrise/sunset. It’s also easy to “group” them so one command changes all the bulbs simultaneously.

Layout Lighting Nighttime
The dimmable, multi-color LEDs can give a lot of different moods like this “moonlit night”

I’ll keep playing with them to try to mitigate the glare spots and shadows. I’m also going to figure out a way to automate going from nighttime to sunrise to day–I’m sure it’s possible with all the Smart Home controls out there now. One thing I hadn’t counted on is the lit portion of the bulb is about 2″ further out from the fixture than the old incandescents. For now that’s creating more shadow along the front of the layout than I’d like. When I put the valance in for the upper deck, I’m inclined to move it out over the aisle a few inches to try to improve this, and I might mount a few of these in the overhead fixtures as well. For now, I’m calling this experiment with 8 bulbs a success, so now I’ve ordered more to keep working around the rest of the layout.

Layout Lighting Fixture
The fixtures for the lighting are simple plastic screw-in bases
Layout Lighting Smart Light LEDs
Here’s what I’m using, TreatLife 60W equivalent (9W actual) multi-color LED smart lights

More Coal Loader Mock-Ups

Coal loader mock-ups in St Charles
Here’s the full mocked-up scene with the St Charles Switcher preparing to swap empties for loads at the JAD Turner loader–the St Charles loader can be seen just around the hillside

As I’ve discussed previously, I like to build mock-ups out of foam core and paper of the larger structures on the layout that I will eventually scratchbuild. This serves three purposes. First, it gives me an opportunity to create a line-drawing / blueprint and make sure the drawing works before cutting more expensive materials. Second, it allows me to visualize a scene and make adjustments before I build the permanent structure. And third, it gives me a good stand-in on the layout until I can build the real one–something that makes operations a lot more fun than imagining there’s a big structure where you’re switching! For this third reason, I put a little extra effort into the drawings to give them some color and texture. I’ve covered the techniques before, so I won’t repeat them here.

This project involved the two “truck dump” tipples that were built in the late ’70s (as far as I can tell) near St Charles, VA. One is known as JAD Turner, and it’s probably still standing today. The other sat on the wye at St Charles for just a few years–I don’t know it’s name, so I’m just calling it the St Charles loader (super original, I know…). What made this project challenging is I didn’t have any good photos of the loader configuration I needed to model. JAD Turner was modified over the years with a second conveyor and second empty track, but the earliest photo I have of it (a grainy aerial from 1981) clearly shows only a single conveyor. I’m modeling it as if it’s the same tipple but with fewer added parts, so I took the dump shed / crusher section of the current loader along with a single conveyor and came up with this design that looks reasonably close to the aerial.

JAD Turner Tipple
Here’s the JAD Turner loader near St Charles in the late ’90s with additional chutes added, but I modeled the core dump shed, crusher, and one of the conveyors (Robby Vaughn photo)
JAD Turner loader mock-up
Here’s the finished JAD Turner loader mock-up complete with a little double chute over the rails

St Charles was a little more challenging as the ONLY photo I have is a grainy aerial from 1981 showing what looks like a pile of coal, a conveyor (maybe two), and what looks like a dump ramp but no shed. I didn’t have to look far to find something close. Just up the road between St Charles and Mayflower was a loader known as “Southwest” which had a similar dump and conveyor arrangement. Southwest was built after my era, so I won’t have to have two similar looking loaders on the layout. Who knows, perhaps they moved the loader from St Charles up to Southwest? That’s my story until someone proves otherwise…

Southwest Loader near St Charles
The Southwest loader sat between St Charles and Mayflower but after my era–I’m using it as the prototype for my St Charles loader (Robby Vaughn photo)
St Charles loader mock-up
A view of the St Charles loader mock-up showing the ramp and dump area

Anyway, here are the results, and I’m really liking the scene now. I can’t wait to build the real things! But first the upper deck…

Ballasting Track on the St. Charles Branch

Ballasted St Charles
Here’s the St Charles wye with ballast. Note the area of cinders where a track used to be

While I finished the basic scenery forms on the lower deck a few weeks ago, I decided it would be better to ballast the tracks before adding the upper deck benchwork while I still had good access to them. I’m so glad I did because ballasting gives the scenes a much more “finished” look even though there’s still a ton of scenery work to be done. I’ll be honest, I was dreading ballasting the track–I had little experience with ballast, but from that experience I saw it as a frustrating, tedious, and time-consuming job. I have now changed my tune! While it’s still time-consuming, I was able to learn and mature my techniques quickly to avoid the frustration and tedium, so I’ll pass along my method here.

First, I had to determine what kind of ballast I needed. This wasn’t as straightforward as I’d hoped. As best I can tell, most of the tracks in my area were at one time ballasted in cinders harvested from steam locomotives. The steam locos went away in the 1950s, and with them the ability to get cheap and ready cinders for ballast. Photos from the ’80s and ’90s clearly indicate most everything got covered in rock ballast–would the cinders still be around in the 1960s and ’70s? After some digging online, I found that cinders in many places lasted for decades after steam, and in the coal fields, it’s tough to tell cinders from spilled coal anyway, so an added incentive for cinders, at least on sidings and secondary tracks. For the main tracks, photos show the Southern’s ballast in this area was a medium gray. I toyed around with trying to find some actual rock to use as ballast, but in the end I decided on good old Woodland Scenics products made from crushed walnut shells because I can find it readily, it doesn’t cost an arm and leg to ship, and it’s pretty easy to work with. I used fine cinders and medium sized gray ballast in the big shaker containers for this project, and I was able to do the entire lower deck (12′ x 16′) with just under two shakers of each color (4 shakers total).

Second, I did a bunch of research on how to apply ballast, and I am so glad I did! In the end, I went mostly with the method Cody Grivno of Model Railroader lays out in the article here. The only other materials I needed were white glue (I bought a gallon), isopropyl alcohol (I used about XX oz), and dish soap. For tools, I used a spoon, a large flat brush, a white glue dispenser (like the ones kids use in school), two small jars with eyedroppers, a work glove, and my fingers. In the glue bottle, I mixed up some “just a bit wet glue” which is about 2 parts white glue, 1 part water, and a drop or two of dish soap–when you squirt it out, it should dissipate from its bead but not run. In one of the jars with an eyedropper, I made a mix of “very wet glue” of about 1 part glue, 6 parts water, and a drop or two of dish soap–it should look about the consistency of milk and absorb into the wet ballast (I’ll explain that in a minute) after a few seconds. You’ll need a LOT of the very wet glue, so you can either make a big batch or mix it on-demand when you run out (what I did… it was a lot of trips). The remaining jar and eyedropper are for the isopropyl alcohol.

Ballasting Step 1
Step 1. Lay down a pile of ballast in the gauge between the rails
Ballasting Step 2
Step 2. use a finger to spread the ballast between the ties, moving excess to the next section

I worked on the track in about 2 foot sections, usually one track at a time. If you’re doing two ballast colors, determine which ballast should be “lower” and work on that one first–for me, the cinders were replaced by ballast rock, so where they overlap, I did the cinders first. With about half-a-spoonful of ballast, I first apply it to the “gauge” (inside the rails) of the track. It takes a few tries to get a feel for how thick to lay it, but it becomes routine pretty quick. You want just enough that when you spread it the ballast fills the space in between the ties and rails with little on top of the ties and nothing on the rails. I found my finger to be an effective spreading tool, and I just rub it back and forth down the tracks, rubbing any excess ballast to open areas. Cody glues his ballast at this point, but I found it easier to lay the edge ballast first. I applied ballast to the edges by first running a bead of glue from the bottle down the side of the subroadbed and on top of the scenery–this helps the “slope” to hold better. Next I used the spoon to apply ballast inward toward the rail from about the edge of the ties until I couldn’t see the edge of the subroadbed any more. I used my finger again, first to poke the ballast under the rail a bit, then to wipe off the tops of the tie edges, and then to pat down the sloped edges until they looked smooth. I used a brush to clear off any unwanted ballast to outside the range of the glue (I vacuum it up later) and to remove any stubborn ballast from areas my finger couldn’t get to.

Ballast Step 3
Step 3. Add ballast to the edges of the track, use a finger to work it into the ties, then use a finger to clean it off the ties and shape the slope

Once I’m happy with the ballast shape, I glue it down. The critical part of this process is to USE THE ALCOHOL AS A WETTING AGENT FIRST! If you just add the glue, the ballast will float (and float away) which makes a frustrating mess. You can avoid this by first saturating the ballast with an eyedropper of isopropyl alcohol–just drop until everything looks wet. I follow the alcohol wetting with the very wet glue, making sure I apply drops to every section of ballast until things were saturated and it took a couple seconds for the glue to soak in. If you drop a big glob of white glue that somehow didn’t get diluted, no worries–just dilute it with some alcohol, and it will likely settle in just fine. I wet and glued each section by starting with the gauge between the rails, then moving to the edges. I found for the edges it’s better to start the alcohol low and work up to keep things in place, and its better to start the glue high and let it work down.

Ballast Step 4
Step 4. Using a dropper, soak the ballast with isopropyl alcohol
Ballast Step 5
Step 5. Saturate the wet areas with wet glue

Turnouts require a bit more care, and I probably didn’t take all the care I should have… it worked out ok, but I spent a couple hours massaging my turnouts to get them working smoothly again. I spread the ballast a little less thickly between the ties to make sure the points wouldn’t catch, and I took care to avoid putting ballast in the area of the throw. No matter how careful I was, there was always some piece determined to get stuck in the throw, so I used the brush (and the occasional X-Acto blade) to fish out any offenders. I used the very wet glue sparingly in these areas, but there was still some glue that stuck to the top of the ties causing the points to stick a bit. I believe Cody’s method is to drop the glue in first, then add the ballast under the points, and I think I’ll try this next time.

Ballast Step 6
Step 6. Clean off any excess ballast–I use a work glove for this
Ballast Step 7
Step 7. Clean any remaining ballast from the web of the rail–I use a combination of a matchstick and fingernails

After letting the glue dry overnight, I clean up any excess ballast. First, I use a work glove and rub it over the top of the ties and edges to knock off any obtrusive pieces. Next, I clean out the area in the web (sides) of the rail using a matchstick rubbed back-and-forth followed by a fingernail. I used a flathead screwdriver to clean out flangeways if necessary. I cleaned up any excess with a vacuum. You’ll inevitably find spots you missed with the glue, but it’s easy to just add more ballast, drop some alcohol, then drop some glue to repair.

Ballast is scenery, so I also wanted it to tell a story. Because track repairs would have been made with gravel instead of cinders in my era, I picked a few spots along the cinder-ballasted yard tracks to fill with gravel (in this case, Woodland Scenics fine gray ballast) to simulate a replaced tie. I like the look! I also picked a few spots in prominent areas to lay some cinders on the scenery to go underneath the ballast rocks to show that some tracks were once cinders but had now been ballasted with rock. I also laid a thin layer of cinders in areas where I know tracks used to be, even though I don’t model them in my era. Finally, I added extra cinders to areas under tipple chutes and where locomotives sit to represent spilled coal and grime. I’m pretty happy with how these “extras” turned out, but they won’t fully tell the story until more scenery is complete.

Simulated Track Repairs
The St Charles yard where the main is clearly visible. The gray areas on top of cinders represent tie repairs after the age of cinders

Ok, the ballasting was the last step before adding the upper deck, but you’ve heard that before… We shall see.

Finished Ballast at Mayflower
Here’s the finished ballast at the Mayflower tipple–the road is made from fine ballast as well

 

 

 

A Very Productive Day

More Backdrops - Lower Level Overview
Here’s a look at last Saturday’s progress including finishing most of the lower level scenery base and painting the rest of the backdrop

I had a happy aligning of the stars on Saturday where my wife was gone for the day, I didn’t have any big “chores” to do, and I had just learned how to paint backdrops! All that combined into a day spent furiously trying to finish up the lower-level scenery forms so I could paint the rest of the lower-level backdrop. It was a good day, and I’m pretty happy with the results. I learned that the painting is my favorite part, roughing in the scenery with cardboard strips is my second favorite, and papering over the cardboard with section after section of red rosin paper is a distant third. Round 2 of backdrop painting went a little smoother than round 1 as I think I had a better grasp of the techniques, and the paint brushes seemed to work better on their second use. I liked the results of round 2 so much I went back and redid some sections of round 1.

More Backdrops - St Charles
The St Charles Local traverses the wye with the newly painted backdrop. It will soon descend through the backdrop in the corner, a hole much tougher to spot now

The scenery covers over the hidden track along the back wall that joins St Charles and the Mayflower section, so I decided to do a test run… I can now verify that I can indeed – by twisting at odd angles, reaching into small gaps, and fishing it out the last couple feet with a long string of hoppers – free a stuck train from the most remote part of my hidden track! Lesson learned–when you use hot glue for scenery, it tends to leave a lot of strings hanging down, and go figure, locomotives don’t pick up electricity so well when their wheels are covered in bits of glue string! A little wheel cleaning and some extra sweeps of the hand through the area (again at odd angles via small gaps), and trains now traverse this area nicely.

More Backdrops - back corner
Where the two lower-level scenes transition–the backdrop on the right is lower than the left, hence less blue sky

I’ve only got one section left that still needs a backdrop and scenery forms, over the helix from staging. Painting the backdrop in the corner was the big barrier to adding this, so that will likely be the next step, and the LAST step before building upper-level benchwork… it’s getting pretty real.

More Backdrops - Into the Helix
Here’s where trains will leave the lower level and enter the helix to the upper level–I think the backdrop painting along with a few trees will hide the transition well

More Scenery and Road Crossings

Scenery forms in St Charles
The basic scenery form is now almost done in St Charles–just some cardboard strips and red rosin paper… and lots of glue
RR Crossing 3
The almost finished crossing after whittling, sanding, and scribing lines and bolts with an X-Acto blade and thumbtack

Just a quick progress update. After procrastinating and working on a semaphore, a station mock-up, and even safety signs, I’ve finally started work on the scenery again. Using the same “paper shell” method of cardboard strips, red rosin paper, and lots of hot glue, I’ve been able to get the wye in St Charles filled in with the basic land form. Of course, putting in the cardboard underlayment for the roads got me thinking about grade crossings, so I had to pause again and put in 6 grade crossings using rails and wood. Pretty simple and nothing profound, but I’m happy with the way they’re turning out. I didn’t worry about vertical height of the wood initially, only horizontal placement. I used a razor blade to whittle the wood down to rail-height level (a little tricky and scary, but effective), then used a little sandpaper and a “bright boy” track cleaner to ensure the wood doesn’t stick up and cause electrical contact issues.

That’s all for now.

Semaphore in St Charles

St Charles semaphore in action
The semaphore in action indicating the St Charles Local has no orders to pick up before proceeding eastward to Appalachia
St Charles semaphore stop indication
Blade down and red light indicating both east and westbound trains must stop at the station to sign for orders

I had one major project to complete before completing the scenery base on the lower level, and that was the train order signal in St Charles. I’ve been putting this off for a couple of reasons. First, I’ve never made a full working semaphore before, so I wasn’t sure exactly what I was taking on–the dwarf semaphores I made a while ago gave me a significant head-start, but this was much more complex. Second, I don’t know exactly if the Southern used a semaphore in St Charles – or if they did where it was located – so I was hopeful my procrastination would result some evidence. Alas, I finally just had to bite the bullet and build the thing! Yes, I know there are commercially available semaphore kits, but what would be the fun in that? I’m a glutton for punishment, and I had a bunch of brass stuff laying around, so why not try to scratchbuild one?

I know with 100% certainty that the station in St. Charles had an operator who passed train orders to Southern and L&N crews working the branch. There is both photographic and timetable evidence for this. In the era I model, it was typical for a train order station to have a three-color signal of some sort indicating “red” (stop to sign for orders), “amber” (slow down to pick up orders) or “green” (no orders – proceed), and a three-position semaphore was common. On most stations, the semaphore is built right alongside the station’s office with the control levers inside the station. However, pictures of the St. Charles station clearly do NOT show an adjacent semaphore or any other type of signal. The only thing I can think is that the Baileys Creek Branch to Mayflower cut off the St. Charles main a couple hundred yards geographically south of the station, and train movements on this branch were controlled by the station–perhaps the signal was closer to this junction to allow train crews to see it an heed from both the St. Charles and Baileys Creek Branches. So, that’s what I chose to model!

St Charles semaphore first assemblies
After finishing the semaphore blades, I attached a .015″ brass wire via solder and made a spacer from brass strip folded on itself. I used the same brass strip to make swivel bases for the blades on both sides of the pole

Like my dwarf semaphores controlling access to the coal branches, I wanted the semaphore to be fully operational including lights, blade movement, and fascia-mounted controls. The first job was making some semaphore blades. I did this by making an outline of an upper-quadrant blade in PowerPoint, scaling it to 1:87, and printing it onto a label. After attaching the label to some thin sheet brass, I drilled holes for the lenses, pivot point, and control rod and cut out the blade with scissors, using a file to clean things up. I soldered on the pivot rod, .015″ by bending one end, inserting it through the hole, and soldering it to the blade face. Next I added a small spacer for the blade onto the rod made from a piece of small brass bar bent on itself with a hole drilled through. I painted the blades flat black and insignia red for the blade end. The back of the blade got some silver Sharpie following pictures I’ve seen of other Southern stations. The lenses are just short pieces of fiber optic with one end melted into a round shape using a soldering iron (just hold it near the end of the fiber optic), attached with CA and colored with kids markers.

St Charles semaphore ladder added
The next step was to add the brass ladder stock and connect it to the mast with U-shaped .015″ brass wire

The mast is a piece of 3/32″ brass tube. I made two mounting plates for the top out of brass bar, filed flat spots onto the tube, and attached them via solder. Next I added some guide loops for the rods that would go from the ground to the blade. I bent something resembling the shape of Saturn out of .015″ brass wire and soldered it tightly around the mast, using a semaphore mast diagram printed to scale as a guide for positioning, three guide loops total. This resulted in two U-shaped loops, one on either side of the mast. I finished the loops by soldering a small piece of wire across each U to make a smaller hole to the outside away from the mast. My soldering skills are not great, so this was a lot of ugly blobs until I took a file and cleaned things up. I added a piece of brass ladder stock by connecting it to the top with solder, bending it, and making U-shaped supports out of .015″ brass wire which I soldered into place in three locations and cleaned up. I painted the mast assembly flat black and then used a combination of silver Sharpie and silver paint to finish it.

Now I was ready to put the blades onto the mast. I fashioned some control rods from .015″ steel music wire, inserted them into the blade holes, and ran them down the guide loops on each side. After inserting the blade pivots into the mounting plate, I bent the brass rod 90 degrees to hold each blade in place while allowing it to pivot freely. I made the base from scraps of plywood (see pictures) and drilled a 3/32″ hole for the mast, two adjacent 1/16″ holes which I lined with 1/16″ brass tubing for the control rods, and a larger hole for the ladder to slide into. I press fit the mast into the holes with the rods going through their brass tubes. Then I ran a piece of fiber optic cable down the tube. I first tried to file one end of the fiber optic at an angle to get it to shine through the blade lenses, but this didn’t work well. I ended up holding the fiber optic over a spare piece of 3/32″ brass tube which I heated with a soldering iron. When the tube got hot, the fiber optic bent itself over the tube in a perfect curve which still conducted light well. A little more heat to make a rounded lens at the end, and I had my “light” for the blades.

St Charles semaphore slide switch mechanism
Here are the mechanisms made from 3-way slide switches. Not only do the switches route power to the bi-color LEDs, it also connects the lever to the signal mechanically and provides the detents for movement

I wanted to use .062″ steel music wire (the same stuff I use for manual turnout controls) for the fascia-mounted control rods, so I crafted two triangular levers out of thick styrene hinged at one corner to convert the horizontal control rod movement into vertical movement for the blade control rods. I covered this in some detail with the dwarf semaphores, so I won’t cover it again here. With the mechanism in place, I mounted the base and semaphore assembly in place on the layout. Next, I worked on the control rods made from 36″ pieces of .062″ steel music wire. Where they would cross through benchwork, I drilled 2/32″ holes and lined them with brass tubing. I was able to get a pretty good bend in the control rod without it kinking this way.

St Charles semaphore finished from lever to signal
Here’s the finished semaphore from levers and lights to the blades in the background

The heart of the control rod mechanism is a 3-way slide switch. I bought a handful of these for the dwarf semaphores because of their longer throw, but it turns out they were exactly what I needed to control both the throw and the lights for the full semaphore. I’m using 2-lead, bi-color red/green LEDs for the lights. Controlling the red and green is easy enough with DC and crossing the +/- leads on two of the poles on the switch to get the red and green on the end throws of the switch. For the amber, I wanted to use the AC current from my track power. It took a bit of thinking through the use of the 16 leads (it’s a 4-pole slide) to figure out how to route both AC and DC power to the same LED without ever crossing the streams, but the arrangement seen hand-drawn on my cheat sheet (see gallery below) works well. I secured the rods to the semaphore to the slide switch by bending them 90 degrees and inserting them into a hole drilled through the switch control. A second rod inserted through a second hole in the switch control was run through a piece of 3/32″ brass tubing to the front of the fascia where I capped it off with a wood ball (smaller than the ones I use for switch controls so operators can tell the difference).

The final step was to run LEDs from both switch mechanisms to the fascia where I used stick-on letters and graphic tape to make a little drawing of a semaphore in each direction alongside the track diagram–the operators can look on the fascia to see the color indication if they don’t want to use (or don’t understand) the blade positions on the layout. Finally, I added a second clip to hold orders under the fascia so that the old clip is now “train orders westbound” and the new clip is “train orders eastbound.” So far I’m really happy with how the semaphore looks and now it operates, and it was really fun to build. I know it will add yet another aspect of prototypical operations to the layout as crews now have to read signals to see whether or not they need to pick up orders.

Starting Scenery

Paper shell scenery step 3
The first scenery forms are in place at Mayflower using Howard Zane’s paper shell method

So there are two reasons why I’ve been working on so many models lately. First, I enjoy building models. Secondly, I’ll admit that I’d hit a major mental block with the layout’s progress because I needed to work on the basic scenery for the lower deck before adding the benchwork for the upper deck. I could retrofit the scenery, but I figured it was worth it to add it now to save myself about 260 lumps on the head trying to install it under the upper-deck benchwork. This last week I finally got up enough gumption to jump into the deep end and start the scenery!

Paper shell scenery step 1
The first step is to draw out the line where the scenery meets the backdrop and glue a cardboard strip along the line

Ever since I read his article in the Jan 2007 Railroad Model Craftsman, I knew I wanted to use Howard Zane’s “paper shell” scenery technique. For mountainous ground that’s mostly going to be covered by trees and the occasional rock casting, this method is extremely simple and uses easy-to-find and cheap materials including cardboard, hot glue, red rosin paper (available for under $20 for a 3′ x 167′ roll at home improvement stores), and white glue. I won’t go into his whole technique, but you can see from the photos that it’s essentially outlining the hills on the backdrop with a cardboard strip, building a lattice of the basic landform from strips of cardboard, and covering the lattice with small patches of rosin paper. The next step (which I haven’t started yet) is to cover everything with a thick layer of white glue to smooth it out and give it stiffness.

Paper shell scenery step 2
Step 2 is to make a lattice of cardboard strips. I bent them and softened them before installing them with hot glue to get more natural bends

I’m starting with Mayflower and working around to St. Charles. Some would recommend a much steeper terrain so the majority of the background is hills and trees, but I’ve opted to go with a more natural angle between 30-50 degrees slope. This means my backdrops will need to be painted really well since the transition from scenery to backdrop will be very visible. If you look closely you can see where I’ve drawn in the ridge line near the top of the backdrop. I don’t know how to paint yet, so what could go wrong? We’ll see how that goes soon enough!

So far this has been a time-consuming but enjoyable project, and I’m very happy with the paper shell method. I’m learning little tricks as I go which will make it go faster as I gain more experience, but it’s great to start seeing things take a shape other than plywood and dimensional lumber!

Paper shell scenery step 3
Step 3 is to hot glue small sections of red rosin paper to the cardboard lattice

Blue Sky in St Charles!

Painted lower level backdrop
Painted backdrop wrapping around the helix

There is now a pale blue sky in St Charles, VA! This past week has been “backdrop week” on the layout, and today I finished sanding and painting the blue color on the backdrop. It’s amazing what a difference the backdrop makes in giving shape to the scenes. This is also a big step because it’s one step further than I got with my last layout before I had to tear it down–it’s good to surpass the progress of the previous effort.

Masonite seam
There’s a vertical seam between two Masonite panels in the middle of this pick and an upper screw–can you find them?

The backdrop, like the fascia, is 1/8″ Masonite (or “hardboard” at some stores). I know a lot of modelers like Masonite because of its smoothness and flexibility, but over the years I’ve heard one repeated complaint: “it’s nearly impossible to fill holes and cover seams because nothing will stick to it.” If you’re worried about this, worry no more! I find that lightweight spackling compound (I use DAP Patch-N-Paint) works perfectly on Masonite. A couple of tips. First, make sure you countersink the screw holes so the screw heads are at least 1/32″ below the face of the Masonite to give enough depth for the spackle to work–this is tough to do without going through the 1/8″ board, but don’t worry if you have to patch an extra hole. Next, I apply a layer of the spackle over the screws and across any joints with a plastic putty knife to avoid scratching the Masonite. I clean it up a little with the knife, but messy is ok. After it dries for about 1-2 hours, I use a damp washcloth to scrub off the excess spackle. This usually leaves a bit of a depression in the holes and seams, so I put on a second layer of spackle. After this completely dries, I sand it with 150-grit sandpaper until it’s even with the Masonite surface and wipe it once again with a damp washcloth. Once painted, I have to look very carefully to see the seams, and the screw holes all but disappear.

For the color, I wanted a very light sky blue, enough to look blue but that kind of whitish and hazy blue on the horizon. I stood in Home Depot for 20 minutes with pictures of Appalachian scenes on my phone comparing the color to all the options Behr had to offer. I finally decided on this color in a flat finish (Behr calls it “After Rain”), and I’m pretty happy with it. If anything it’s a little more blue than I’d hoped, but the hue looks pretty natural, and it’s not too dark. Two coats with a roller gave the backdrop a nice even look. The backdrops are all ready to support some scenery forms now.

I must say, I’m going to miss taking pictures of the Mayflower Tipple mock-up with a nice white plastic insulation blanket as the backdrop… ok, no I’m not.

Main Helix Complete

Finished helix
The finished helix! From here it will traverse the concrete wall in the background before emerging at Turners Siding

Reached another milestone yesterday–the main helix between the main and upper levels is now complete! I have track reaching to 58″ off the floor. Like the helix between staging and the main level, I used what I call the “double pinwheel” method of building a helix (click here for a full write up on the double pinwheel helix). It requires only straight-line cuts, it’s very forgiving of non-precise cuts, and it’s rock solid.

The helix joins the town of St Charles to the towns of Turners Siding, Kemmergem, Monarch and Benedict on the upper level. The grade (3%) starts at the RR-west end of St Charles yard and continues up three turns of the helix. There will be another 15 feet of hidden track before the line emerges, so that’s effectively a fourth turn’s worth of elevation gain after the helix. Of course, when I built the base supports for the helix, I miscalculated something that had the initial grade into the helix closer to 4%. At first I was like, “well, maybe it will work.” I test ran a few locomotives up the first loop (all I had constructed upon discovery), and while my lightest locomotive could still pull 11-12 cars up the grade, I finally wised up and decided to fix it before it became unfixable. After dropping to 3% (lowering all the supports by 3/4″), the lightest locomotive could again haul 14 cars and a cab from a dead stop up the grade, the same limit as the helix from staging. I’m sure I will be glad I made this adjustment in the future! Measure twice, cut once… thankfully it just required loosening and reattaching some screws and only a few new cuts of supports to fix it.

It will be a little while now before I start the upper-level benchwork, but finishing the helix will allow me to install the lower-level backdrop, so the beautiful insulation pads will no longer be visible on the main level. I know that will be a big disappointment to many of you who feel the insulation just adds an extra layer of realism… ok, enough sarcasm. Building helixes isn’t fun for many modelers (including me), so I’m very glad this portion of the layout is now complete!