64 Coal Car Grabs

Yesterday evening, I impressed myself by forming and installing all the grab irons and steps on the coal car bodies. Repetitive tasks like this allow lots of time to think and improve the process. By the time I had finished the ladders on two cars, it was pretty dialed in. The steps and half the […]

Coal Car Progress

Despite all the 3D printing, there is a satisfying amount of traditional modelling in these coal cars. I elected to use cast acetal plastic corner steps (Grandt Line) and air hoses (Detail Associates) along with brass truss rods and cut levers to avoid crunching these exposed parts. The ladders and corner grabs will also be […]

Coal Cars Enter the Modelling Phase

With only about six weeks to go until the Railway Modellers’ Meet of BC, the coal cars I want to display there have finally breached the walls of the computer and started to become real. They’re a long way from done, but it should be straightforward from here on out.

Second Coal Car Print

The second printed coal car (actually, technically the third but who’s counting?) came off the printer in two parts over the past 24 hours. I’m still getting some sagging at the ends but this version is one I think I can work with. The key outstanding modification will be a reversal of the door closing […]

Enough with the Coal Car Brakes

After at least four iterations, I’m getting pretty slick at drawing brake brackets, levers and rods. Along the way, I’ve reviewed countless drawings for brake gear and learned so much about the KC brake system, some other memories must have had to pop out the other side. I’ve finally arrived at a version with which […]

Revised Coal Car

With two weeks away from the modelling desk, hobby time went virtual. Rather than try to modify the first version of the coal car, I started from scratch to build a car that is more hopper-like, with the brake cylinder mounted beneath the side sill. Wooden hoppers had their stakes spaced closer together where the […]

Arts and Crafts at OVAR

I’ve come to Ottawa to visit my mum and take her to a show. So, I reached out to my old friend, Bill Scobie, to see if I could get myself invited for an ops session (I can), and he reminded me that the Ottawa Valley Associated Railroaders would be meeting this evening. Well, I’ve […]

Painting Wheels and Assembling Trucks

With the perfect weather for model railroading this weekend, the coal car trucks have cleared the workbench. Some loco-building supplies have arrived, and I’m going to return to locomotive work for the next little while – except for a couple of weeks of travel that are coming up this month. With the success of the […]

Painting Trucks

Uncharacteristically for me, the scissor-like contraption I designed for holding and masking trucks worked on the first try. Being made from exactly the same 3D model as the trucks themselves, it was all-but guaranteed to fit. However, there are many questions of tolerance when it comes to the FDM printer. The key question was the […]

Coal Car Trucks Ready to Paint

After redesigning the trucks with inside brakes, I printed a test copy. It worked fine the first time, but I noticed the axles could be a little tighter in the bearings. This should assist with getting the ride height of the cars correct. A pair of .005″ shims inserted after the wheels seems to keep […]