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I joined the black diamond society of model engineers in bethlehem, pa. 

 

Last night I wired up the MTH DCS commander for the 2 rail track to run my mth 2.0 DL&W trainmaster, the signal strenght is ok but not the best. The really big problem is when the trainmaster is pulling more than 2 golden gate passenger cars through two atlas switches back to back it shorts out and stops dead to loss of power.

 

When we run straight DC engines pulling the SAME passenger cars nothing happens, also when we run just the trainmaster in DCS or pulling 1 passenger car in DCS nothing happens.

 

After some head scratching for a hour or two, a few members did some power testing and found both frogs to be dead with NO power to them.

 

So why does straight DC engines have no problem going through the atlas switches, but when running DCS it shorts out and stops the DCS engine.

 

We are getting back together thursday night, so please offer and help or suggestions you may have to help us fix this problem.

 

Thank you from the Black Diamond Society Of Model Engineers

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Originally Posted by Jim Scorse:
Originally Posted by Jim Scorse:
Originally Posted by Tom Tee:

Jim, that looks like a Lenz track product, if so how have you decided to actuate the throw bar?  Lenz has under development an electric motor but it is nowhere near ready.  Their point connections look rather fragile, kind of concerned about durability???

I used a Tortoise and fed the throw wire (.039") up through the center of the throwbar.  The Tortoise will treat the throwbar with TLC.  You can barely see it in the photo below.  Unfortunately I painted the top of the wire black.

Enlarged view:

 I have no problems running most of my engines thru my Atlas switches. I have a shorter wheel based one that stalls and restarts when run thru some of them? This engine seems pickier than the rest. Does yours get better if you charge the battery? If so, you may want to switch to a BCR.

 One other option would be to power the frogs. I don't think you are shorting, I think you're just loosing power. The battery should carry the engine thru but it doesn't. I notice on mine it runs if I keep the speed above say ten MPH. So guess what I do?

 One other thing that may or may not help, I had some sparking going on one time. I traced it down to metal cars with metal frames and metal couplers. Only one wheel was insulated and current seemed to be going through the couplers. I actually got a shock when I grabbed one. Does your engine have metal couplers and boxes??

 Maybe the combination of cars drawing current through the engines frame? or something?

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OGR Publishing, Inc., 1310 Eastside Centre Ct, Ste 6, Mountain Home, AR 72653
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