Full Version: MDC/ROUNDHOUSE locomotive rebuilds
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I found an article on detailing one of these in an April 1978 Model Railroader. I'm also learning quite a bit on what makes a steam engine tick as I go.
I did some work on the front pilot and the boiler over the past few days.
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I didn't like the way the engine had no pilot deck so I sanded/filed the top smooth and:
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The deck tread came from the long-hood walkway of a life-like proto 2000 GP-18. I sanded it thin and glued it on just behind the coupler cut bar mounts will go.
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I also added sanding lines, using .020 brass wire. I drilled the holes for mounting the lines with a small drill press and broke 2 drill bits in the process. It's a good thing I get them in bulk.
Continuing with plumbing the boiler
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I first added the compressor and the air line to the cab. the I added the injectors on both sides and the feed water piping. The water piping is .030 pipe and the smaller piping (air line) is .020. I was pretty lucky that my local hobby shop carries both sizes without having to order it in.
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the engineer's side is a bit less complicated without the compressor there. I did buy some water check valves but they turned out to be much too large so I'm planning to build up the boiler end of the feed pipes to resemble them. I temporarily assembled the chassis and boiler so I can see where the blow down piping will go without interfering with the drivers. (it also helps balancing the boiler while I'm working on it.)
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one of my next projects is to add the reverser. I'm pretty sure it will go here and I'm also going to remove the long throw-arm since the photos that I've seen don't have it.
I'm trying to challenge myself, beside learning more how steam engines work I'm trying to stretch my abilities to new areas such as soldering
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I built the two air cooling coils that go over the air tanks on each side. I was lucky that the MR article had photos of each side of the engine and they were 'actual size' at that. I used these to lay out the .020 brass rod and flat brass strap on. I soldered all the joints for a change. Usually I would just use ACC but this seems to do better.
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I then added them to the model. As you can see I also added the reverser, the water feed pipe and the blowdown line towards the rear.
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On the fireman's side I did the same, air cooling line and the water and blowdown pipes.
Now I've pretty much finished the hardest parts of the boiler detailing, I can finish up the work on the pilot and add some other details.
That's coming along very nicely, Glen, and the acquisition of soldering skills will pay off on future projects, too.

Wayne
I commend your effort for learning new skills. Steam locomotives are really neat to detail.

Matt
Glen, good progress.
Try to find a few pictures of this or similar engines and maybe you can make an additional detailing yet. You should prefer pictures from same road as you would like to build.
Then you will receive a very unique model!
Thank Guys, I'm sure that soldering will come in handy in the future but I tend to go with the 'whatever works' philosophy.
I did consult a few prototype photos for the current engine, as well as the first one in this thread. I'll admit that this engine is not really an exact copy of the Canadian Pacific engines but it will have a few touches of the ones I've seen.
I am going to be working on the MDC Harriman 2-8-0 next and I have some pictures that show a Canadian National engine with some fairly close similarities to the model.
I was going to try to get the majority of the 4-6-0 done on Sunday but I tweaked my back out and spent that last couple days trying to straighten myself back out. Sitting at the workbench was not in the cards. I'll be trying to continue with the project in the next couple of days.
cnrglen Wrote:Thank Guys, I'm sure that soldering will come in handy in the future but I tend to go with the 'whatever works' philosophy.
I did consult a few prototype photos for the current engine, as well as the first one in this thread. I'll admit that this engine is not really an exact copy of the Canadian Pacific engines but it will have a few touches of the ones I've seen.
I am going to be working on the MDC Harriman 2-8-0 next and I have some pictures that show a Canadian National engine with some fairly close similarities to the model.
I was going to try to get the majority of the 4-6-0 done on Sunday but I tweaked my back out and spent that last couple days trying to straighten myself back out. Sitting at the workbench was not in the cards. I'll be trying to continue with the project in the next couple of days.

At this point, the best you can do is be sure keep features of a CPR class D10 4-6-0 locomotive are there. Getting the right headlight and numberboards is among the most important things as having a generally correct cab (MDC cab can pass as quite correct). The next important thing is to get a decent tender (both in shape and length). On that point, the MDC tender is quite off and would need to be shortened and have "wings" on each side. I don't know to which level you want to go, but the easiest route would to at least build a CPR style extended coal bunker. Not to hard and it would really improve the overall appearance.

http://2.bp.blogspot.com/-I61ItSs9om8/VZ...2B1082.JPG

I love that picture. Nothing is more CPR than a 4-6-0 pulling a mixed train.

Anyway, I should truly try to finish my CPR 2-8-0 kitbash someday!

Good luck!

Matt
Thanks Matt. I was considering just using the tender that came with the model because it already had been lettered in the appropriate scheme but maybe I'll look for something a bit closer
<!-- m --><a class="postlink" href="http://www.ebay.ca/itm/301807856087?_trksid=p2060353.m1438.l2649&ssPageName=STRK%3AMEBIDX%3AIT">http://www.ebay.ca/itm/301807856087?_tr ... EBIDX%3AIT</a><!-- m -->
I found this one on ebay and I know the seller, just ignore the color
Glen,

That would be a big improvement with very little effort. Scratchbuilding the coal bunker extension would be a piece of cake. Most CPR locomotive had just the company name slapped on the tender. The paint job would be minimal.

Matt
Glen,

I've been following along and I must say its amazing what you've done with these old models. I have a couple of similar kits that I'll have to look at again...

Great stuff!

Andrew
I did manage to get back at it yesterday and today:
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I fabricated a new set of pilot steps and added the coupler cut bar on the front of the engine. Just after I finished with the steps I found a set of original MDC ones in a box. Like the 2-8-0 old timer I used the original stantions and bent some .015 wire to make the cut off lever.
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I also added some grabs to the back and sides of the cab. At this point I can't go any further without painting the boiler so I sprayed it with some gray primer.
In the meantime I'm looking at some other details to be added later.
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The CPR engine has a headlight in the center of the smokebox door with a number plate below it, as well as a second number plate at the top of the smokebox. I'll be modifying the kit headlight, removing the side number boards to make it a more prototypic.
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Stretching my soldering skills I found a brass bell and bracket in my part box that I soldered together. I already drilled the boiler to accept the mounting pin.
I primered the boiler last night and painted the smokebox
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Searching the 'net' for photos and it looks like Canadian pacific painted their smokeboxes in a darker gray so I that's what I used.
Except for working on a few details this project is now on hold until I get the new tender. (about a week or two)
cnrglen Wrote:I primered the boiler last night and painted the smokebox

Searching the 'net' for photos and it looks like Canadian pacific painted their smokeboxes in a darker gray so I that's what I used.
Except for working on a few details this project is now on hold until I get the new tender. (about a week or two)


The CP "Eastern Lines" used a mixture of oil and plumbago (graphite) on smokeboxes.

"Western Lines" added "litharge" (white lead), sometimes omitting the graphite giving a more yellowish-white shade, which weathered reddish with rust.

Dan M.
Do you have some color photos for examples of each?
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