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So I would have never asked this question, but I had a recent event make me say "...hummmm...".

 

I have a Christmas layout that uses MTH RealTrax and I have always powered it with a Lionel Powermax (the 40 watt unit). This year I happen to get a MTH Z-500 (54 watt) power brick and for several non-operating reasons I used it instead. So I always had the Powermax set to full power the last couple of years as I have phased out my conventional engines for Lionel Lionchief models. I never measured it but I assume I was getting the full 16 to 18 volts. I had always had the occasional operating session where the Realtrax non-derailing switches did not function correctly, or the switch would not respond correctly to the lever to throw the switch.

 

Not this year, in just the few hours we have been running last night and today it's like I just installed 4 new switches right out of the box. They are snappy and quick, I watched my sons hi-ball the train around the track, including through the switches, all with the non-derailing running 100% of the time. Last year that would have thrown the engine through the tree after about the second time around as a switch would fail to respond.

 

So, is is the extra wattage? Is it the magic of Christmas? Is there some type of conspiracy designed into the switches to defeat the opposition power supplies? You be the judge!

 

Last edited by AtoZ Lewis
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laming is correct on the button, I learned the hard way ( but painless) that MTH Realtrax switches L O V E operating at or near 18 watts. They then snap into position like they should!

 

 for example....to test my Christmas carpet Centrals electrical conductivity throughout, ...BEFORE hooking up two 180 watt bricks, I temporarily hook up a KW and a Voltimeter boxcar and roll it around, looking for dead spots. at the switches it almost always derails because the watts going thru the track is so low.

  after hooking up the two bricks.....zingo.....those switches work pretty darn well!

Gentlemen,

   Got to admit when I am helping someone get started in our Hobby I always recommend the purchase of at least a Z1000 Transformer or bigger.  Always have more power than you need, it's not really the match manufacturer that matters, it's having enough power to operate the equipment properly, that is important.

PCRR/Dave's

Last edited by Pine Creek Railroad

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