Using BTTB chassis for North American style locos

Using BTTB chassis for North American style locos

Postby AstroGoat760 » Mon Jul 20, 2015 9:01 pm

I have a few BTTB chassis that I am considering using as the basis for building North American proto locomotives (five total, 4 class 81 0-8-0 chassis, and a class 86 2-8-2 chassis, all work well).

I am curious to see if there is anyone out here that has made such models before, and also help finding suitable prototypes to model the engines after, to include drawings of the engines if possible. I know that there is a picture of a 0-8-0 camelback conversion on TTscale.com, so that may be a start.

Any thoughts/advice/so on?
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Re: Using BTTB chassis for North American style locos

Postby Arseny » Tue Jul 21, 2015 5:20 am

Good idea. I've thought about it sometimes ago.

But it seems to me that BR.81 0-4-0 is too short for American locomotive. It seems to me that BR.56 and BR.23/BR.35 will work much better. Maybe BR.86 too?

It seems to me that I've found some American steam locomotive ("Pacific" 4-6-2 type?) close enough to BR.23, that can be modelled using BTTV BR.23/35, sometime ago, but I can't find it now.

Check "Model Railroad Hobbyist" Magazine, June 2012 and July 2012 issues. There is an article "Scratchbuilding a Steam Loco in Styrene" there, including some drawings and dimensions. That locos seems to be very close to BR.56.

Also look here:
http://12mm.ru/viewcard.php?id=62!61!73 ... 4!30!38!2f
or check German "TT-Kurier" magazine, 1997, № 6
- nice "Costa Rica" layout, including some steam locomotive, made from BR.56.
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Re: Using BTTB chassis for North American style locos

Postby 2-4-0 RENFES » Tue Jul 21, 2015 3:46 pm

The first problem that I consider, is that the wheels diameter are different from American Locomotives. But if it is not important, an option is Scratch North American Locomotives from WWII at the European Theater, then you can use German material.
And always it may be something different, as usual.
Some samples
USACT S-160
3220943697_2_4_vDfaxYJa.jpg


3220943697_2_8_ugTBrwuj.jpg


rail4.JPG


Drawings2_zpsc7befaa1.jpg


USACT S-100

030.jpg
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Re: Using BTTB chassis for North American style locos

Postby 2-4-0 RENFES » Tue Jul 21, 2015 3:47 pm

rail10.JPG


S100Design.jpg
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Re: Using BTTB chassis for North American style locos

Postby AstroGoat760 » Tue Jul 21, 2015 5:21 pm

Thanks for the ideas. I have seen some locomotives with rather small drivers over the past few years, and if memory serves, there is little difference in the wheel diameter in the BR 81 and the Erie 0-8-8-0 Camelback.

Whatever the result would be, the locos made out of BR 81s would be freight/switch engines.
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Re: Using BTTB chassis for North American style locos

Postby j p » Wed Jul 22, 2015 5:02 am

2-4-0 RENFES wrote:The first problem that I consider, is that the wheels diameter are different from American Locomotives. But if it is not important, an option is Scratch North American Locomotives from WWII at the European Theater, then you can use German material.
And always it may be something different, as usual.


Alaska RR had some S-160s, one of them survived until now.
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Re: Using BTTB chassis for North American style locos

Postby Arseny » Wed Jul 22, 2015 7:06 am

I could not never undestand, why Tillig or Roco did not produce S-160 in TT for European market (and American a little). It was really international steam locomotive.
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Re: Using BTTB chassis for North American style locos

Postby CaTTwoman281 » Wed Sep 23, 2015 1:23 pm

Next question about the prospect of using the BTTB chassis for North American proto: should we paint the red over or should I leave it be, as there are some examples of red drivered North American steam locos?
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Re: Using BTTB chassis for North American style locos

Postby ConducTTor » Wed Sep 23, 2015 1:31 pm

I would say paint it if it's not supposed to be red.
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Re: Using BTTB chassis for North American style locos

Postby AstroGoat760 » Wed Sep 23, 2015 1:43 pm

I think what she was getting at, but failed to say is that we have been having design discussions a bit lately, and she is concerned that the paint could foul up the running gear at some point. I am trying to quell those fears, but she keeps bringing up the last time we painted a loco's wheels and frame.

She wants one of the four chassis for her own loco, likely to be a 2-8-0, and does not want to ruin any of them.
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