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Reply to "Two quick questions on setting up DCS and powering new layout"

@Lehigh74 posted:

The LWs (125W), TWs (175W) or 1033s (90W) would all be good for track power.  I don’t know much about the BW or Williams transformers.  If you are running MTH locomotives, they might be a problem.  I don’t see them on the MTH transformer compatibility chart.  I have heard the CW (also not on the MTH chart) does not play well with MTH locomotives.



@Lehigh74

Yes, I do have MTH engines (all new to me....I fell in love with my brother-in-law's MTH's last Christmas and decided to add some Rail Kings to my stable).  I do recall reading that MTH engines prefer a pure sine wave, and it's possible the BW and Williams have chopped.  Either way, that's an easy switch for me.  I also have 2 RWs right now in service in a bedroom around-the-ceiling setup with only TMCC. I could put the modern ones there and go with LWs, RWs, or TWs in the basement.

My biggest reason for putting 2 transformers and, therefore, 2 channels per loop is to provide enough power for 2 trains. It's more about the power than the TIU.  I envision a single LW (my highest-output PW transformer) with, maybe, 100W output, getting overly taxed by 2 trains. Guess I could try it, but to me the math doesn't add up, especially not with passenger cars.

Last edited by raising4daughters

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