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A Quick Question
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 Posted: Thu Sep 28th, 2017 03:12 am
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jtrain
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At the last train show I purchased a modern version of the Roundhouse 2-6-0.  I like the engine, it pulls a lot of weight and is a very smooth runner, not to mention being almost silent.
But I was wondering, is this engine based off of any prototype? 
I've never seen a photo of a steam engine with the same shape and features as this model.  It's got a straight boiler and Stephenson Valve Gear and the bell is located between the domes, which are widely spaced apart.  It's got beautiful lines, which are more important, but it would be nice to kit bash into an accurate model of a rail engine.  It seems that this model would most likely be based off an ALCO or Baldwin engine.
Here's a photo:

Any help would be appreciated!
Thanks!
--James



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 Posted: Thu Sep 28th, 2017 03:51 am
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Michael M
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I'm thinking it might follow Baldwin's style.

I did find this which is pretty close: https://c2.staticflickr.com/8/7008/6493251249_8ee4a4cc67_b.jpg

I do like the simple straight lines of your loco.  Any idea of what the starting voltage is?  Might make a nice conversion to 35n2 BPRC. 



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 Posted: Thu Sep 28th, 2017 05:25 am
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W C Greene
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Howdy James and Michael, the MDC "Old Timer" loco was a close Baldwin copy I suppose. They used to be kits but when MDC/Roundhouse was bought by Horizon Hobbies, the models (like this one) were made RTR in China by 12 year old girls. Really! The original kit had a 5 pole "DC-71" style open frame motor and the kit took some patience to build into a nice runner and looker. I built the 2-6-0 (shown) and the 2-8-0, loved them. Ahhh, MDC made the nice little HO & HOn3 Shay kits and the neat outside frame HOn3 2-8-0 also. Plus the "Climax" and box cab kits. They were neat models and were great for the HO dude modeling "turn of the century" steam.
Olden times, wish they were still here.

Woodie



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 Posted: Fri Sep 29th, 2017 03:39 pm
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jtrain
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Thanks guys!
I've been looking around, the closest I've found is a CBQ H class, specifically an H-1.  They were built during the turn of the century and had the exact same boiler lines, the only difference was the cab and the counterweights on the wheels.  So I think that's what I'll go with:
http://www.rrpicturearchives.net/showPicture.aspx?id=1806436
With a little kitbashing though, I could turn this into a ten wheeler, which also has very similar lines.  All I'd have to do is lengthen the front platform and build a new pilot, but keeping the frame as is would be much simpler.
By no means an exact match, but pretty close to what I'm looking for.  Some of these little guys must have ran in the Black Hills at the end of their service lives.
Oh, I don't have exact figures, but starting voltage and amperage draw has got to be pretty low.  These aren't the old time versions, these are newer remakes with modern motors and gears.  It's very quiet for a cheap engine and runs smoothly.  I figure that if this thing is battery power, it will be even better.
--James



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 Posted: Fri Sep 29th, 2017 07:27 pm
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W C Greene
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Ohhh, I don't know if a "little kitbashing" would do it. The rear wheels on the 10 wheeler's lead truck would be behind the cylinders and that may be a bunch of work...more than I would want to do. Why not keep her like she is? MDC used to make a 10 wheeler (4-6-0) but I don't know if that one is still around and I think it was a bit more modern than this one.
I would advise (and advise myself if I planned the change) to keep a 2-6-0 and maybe look for a suitable bash-candidate.
Many years ago, I used the MDC 2-8-0's small drivers on one of the 2-6-0's and it really made a neat lokie. Maybe smaller drivers would give enough room at the front? I just don't know.
If she runs nice then BPRC would work, just remember that a loco that runs like crap on DC or DCC will also run like crap on r/c. Keep us posted on this one.

Woodie



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 Posted: Sat Sep 30th, 2017 02:54 am
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jtrain
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That's a good point, you talked any thoughts of surgery out of my head.  Besides, there's plenty of ten wheelers on the market, there's going to be opportunities.  I like the M class CBQ engines, just the sort I had in mind.  A lot of the details are different, but generally the Roundhouse would be a good stand in with a little paint and weathering.
-James



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