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ground throws

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  • Member since
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ground throws
Posted by Anonymous on Tuesday, May 25, 2004 9:59 PM
Hi all
If I am using tortoise switch machines. Can I also use caboose ground throws?
This is in H.O.

Thanks Gene
  • Member since
    January 2002
  • From: Nova Scotia
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Posted by BentnoseWillie on Wednesday, May 26, 2004 5:54 AM
I don't know how you could do this directly, since you'd be moving the turnout against the switch machine. I'd be inclined to put a dummy groud throw next to the switch and use a local toggle switch on the fascia to control the Tortoise locally (see "One turnout, two controls" in the July 2002 Model Railroader).

You could also use a ground throw to move a toggle or microswitch under the benchwork to control the Tortoise, instead of connecting the throw directly to the turnout. That'd be easy enough to do, and kind of neat.

B-Dubya -------------------------------------------------------------------------------- Inside every GE is an Alco trying to get out...apparently, through the exhaust stack!
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  • From: St Louis
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Posted by mls1621 on Wednesday, May 26, 2004 9:35 AM
Caboose Industries has a ground throw that incorporates a slide switch. The slide switch is intended to control frog polarity.

You could wire the slide switch to control the switch motor.

I hope this is helpful
Mike St Louis N Scale UP in the 60's Turbines are so cool
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  • From: San Jose, California
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Posted by nfmisso on Wednesday, May 26, 2004 10:03 AM
Another possibility is to use the Tortise to animate a prototyipically scale ground throw (as opposed to those HUGE lumps of plastic by Caboose) at the same time it throws the turnout(s).
Nigel N&W in HO scale, 1950 - 1955 (..and some a bit newer too) Now in San Jose, California
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Posted by Anonymous on Wednesday, May 26, 2004 3:45 PM
nfmisso

Thats what I had in mind.
Any ideas on how I can do this?

Gene
  • Member since
    December 2001
  • From: San Jose, California
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Posted by nfmisso on Thursday, May 27, 2004 9:10 PM
QUOTE: Originally posted by audiowizard1

Thats what I had in mind.
Any ideas on how I can do this?

Hi Gene;

First you have to choose the style you want to use: the kind that are just a lever like the Caboose, or the one with the rotating indicator as well.

I beleive that the there are some manufactured, check Walthers.

Next, a simple mechanical linkage to throw them. One way for the Caboose style, extend the lever a bit past the pivot, and attach a wire under the pivot that loops under the layout, and is moved back and forth by the machine. This should be a very thin wire, and is a tension (pull) only, so it rigidity is not important (it is hard to push a string<G>) The indicator can be driven by a simple rack and pinion attached to the same place as the wire. For the wire, something like 30 guage stranded, with no insulation.
Nigel N&W in HO scale, 1950 - 1955 (..and some a bit newer too) Now in San Jose, California
  • Member since
    April 2003
  • 305,205 posts
Posted by Anonymous on Thursday, May 27, 2004 9:59 PM
Why not use switchstands with targets?

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