Stalling on Atlas turn out.

[yankee flyer]

    

Hello one & all

I have a short wheel base SW8 switcher that some times stalls on my Atlas turn outs (insulated frogs) I think. I understand they can be jumper wired but I'm not sure from what to what.

I appreeeeeeeciate it.

Lee

[DigitalGriffin]

That insulated frog is most likely killing your lil sw-8

But try this:

http://www.wiringfordcc.com/switches_atlas_roco.htm

Edit: What do you use for your turnout control?

[yankee flyer]

DigitalGriffin

I'm using the atlas dual coil motors. I gather from the A&R turnout diagram that the problem derives from loss of contact at the blade hinge? Is that correct?

Thanks for the post

Lee

[jktrains]

Your correct that the problem is being caused by the dead or insulated frog.  Also, as the size of the turnout increases, the length of the dead frog also increases and so does the likelihood of stalling on it.  The frog needs to be power routed.  Unfortunately, if you're using the atlas switch machine motors there is no way to do that without a few additoinal components.  To keep it all Atlas, you need to add an Atlas snap relay that will power the frog with the correct polarity as the rail leading to it.  Instructions with the snap relay should explain how to do this.

Other options include using a power switch machine motor like a Tortoise which has additional contacts for power routing the frog.  Caboose Industries makes a ground throw with contacts.  My personal favorite is to use a slide switch as the turnout control and using the switch contacts to power route the frog.

[jwils1]

Yankee Flyer:

Does your SW8 have traction tires?  Mine stalled a lot but since I eliminated them my SW8 very rarely stalls on my Atlas turnouts.  Many of mine are the snap switches with plastic frogs so they can't be powered but that's no longer a problem.

Jerry

[DigitalGriffin]

DigitalGriffin

I'm using the atlas dual coil motors. I gather from the A&R turnout diagram that the problem derives from loss of contact at the blade hinge? Is that correct?

Thanks for the post

Lee

If you are dieing on the points, then yes.  If you are dieing on the frog, then you need to wire that up or check for a loose contact.