Favorite Critter Model or Protoype

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Favorite Critter Model or Protoype

Postby Bernd » Wed Dec 23, 2015 9:02 pm

Here's a subject dear to my heart. Critters. What are they? They are the little locomotives that hardly anybody pays attention to because they are different than their big brothers.

Here's one I'd like to build a model of one day.

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Here's a pretty ugly one.

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Here's one with two different type trucks.

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Here's one for short sidings.

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And another favorite subject of mine are railtrucks.

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I've got more, but I'm sure I've bored some of you. :lol:

Bernd
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Re: Favorite Critter Model or Protoype

Postby Richard-B » Thu Dec 24, 2015 11:54 am

Ah yes: Southern San Luis Valley Railroad D-500
Note the balanced proportions, the easily accessible safety cab, and the sophisticated engine cooling arrangement, which doubles as a lubrication point for the drive chain.
SSLV-D500 Critter_BlancaCO-08Sep1978_JGavin.jpg
SSLV D-500
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Re: Favorite Critter Model or Protoype

Postby Marquette » Thu Dec 24, 2015 4:20 pm

BC Hydro Railway had some nifty ones...

E60:
e60.jpg


Q183:
BCH Q183.jpg
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Re: Favorite Critter Model or Protoype

Postby Bernd » Thu Dec 24, 2015 11:25 pm

I like the Q183. Chain drive I see.

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Re: Favorite Critter Model or Protoype

Postby Marquette » Fri Dec 25, 2015 4:24 am

Yeah! No idea how I could possibly make a powered version in TT, though.
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Re: Favorite Critter Model or Protoype

Postby Bernd » Fri Dec 25, 2015 11:24 am

Marquette wrote:Yeah! No idea how I could possibly make a powered version in TT, though.


I have an idea. It could be done with one of these tiny motors. I used two in my HO scale radio controlled crane. The #11 Xacto knife blade gives an idea of motor size. They are 6 volt motors.

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I used two of these in my radio controlled HO scale crane. Another size comparison with my fingers and the two motors.

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Here they are mounted on the crane chassis with the 2.4Ghz Deltang 4 channel receiver.

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I would use a belt drive similar to what I used when I modified a Tyco industrial diesel switcher. The motor is 12 volts. It has a gear reduction box that I removed 6 stages of reduction for a faster RPM output. Originally the output was 10 RPM. I had to add the pulleys to increase the top speed of the locomotive to a more prototypical speed. I made my own pulleys.

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This is what the model looks like.

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Here's a scan from The Second Diesel Spotters Guide by Jerry A. Pinkepank.

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So there are ways to do these conversions or scratchbuilds. This is one of my favorite part of Model Railroading, building unusual railroad equipment, even if I have to think up something that never existed but is plausible.

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