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Hello all.  I need some opinions on how to properly utilize all the stuff I have, please bear with me as I explain.  I’ll include pictures to illustrate 

  I’m in the process of wiring my very basic layout, and an unexpected decision has come up.  Basically, it’s two unconnected loops of about twenty 3 rail tubular track sections each, and a third independent O36 loop above.  All track has soldered common and power connections every four to six pieces - probably overkill, but I had bought a new soldering iron and was having fun. Most wiring is 16 to 6 gauge.  Again overkill, but had a lot of good wire sitting around begging to be used.  The track for the two large loops will be connected to the KW & through two 8 post power distribution blocks, one for common, one hot. A third distribution block, connected to the CW is for the O36 loop, or for any extra connections I may need. They’ll all be individually set up with jumper wires to both maximize, and use them properly.  Also I have the MTH 24 post distribution block, which is of course already set up to provide all 24 posts a common & a hot connection. The layout is on a 9 X 8 table.  All of it run conventionally with transformers, and without a cab control or block systems. My original plan was to run the two loops with the A and the B posts of the KW, and the upper loop with the CW.  

  I was planning to use the KW’s 14V fixed voltage post to run the American Flyer sawmill & barrel loader, plus the Lionel ice station, several UCS tracks, the 164 log loader & the 445 operating switch tower,  and two LED modified O22 switches through bootstraps.  The CW’s accessory posts were to power about two dozen LEDs for buildings, the 145 gateman, along with the 140 banjo signal, 153 block signal, 151 semaphore & 450 signal bridge.  I will also be using a small postwar40 watt transformer to have the ability to dim a few incandescent light towers & streetlights. 

 Finally to my main question.  A library book by Bruce Greenberg (titled “model railroading-a family guide) that I’ve been referencing,  had a small quick paragraph that really made me question my wiring idea for this layout, and how the quirky KW transformer truly operates.   I’m now a bit confused on how to proceed after reading it. I’ll post a picture of his written passage below. This forum’s collective knowledge, along with the 1954 “how to operate Lionel trains & accessories” and the KW & CW owner’s manuals have been my primary references. 

  So in a nutshell, I’m looking for the best way to power my 3 independent loops, and my accessories in the most streamlined and effective way possible, with the equipment I already have on hand.      Any and all suggestions are greatly appreciated. 

Thanks

TomE75AF046-368B-4922-B26E-A4C03E2756B7F47514D7-A1BD-4E24-8F4B-418E743CBD848BD0FA0D-D767-4DB7-877B-DB6DABBF83EB933FEBDF-15AF-4ED7-BE24-F748D1A7FC811BE51205-B9AC-49DD-BF94-87AB37792684

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It's true, the KW is not that great for accessory operation if you are trying to use accessories that depend on common rail wiring as you only have a choice of 6 volts or 20 volts for fixed taps. That D-U combination by the way will melt some switch lanterns too.

So that rules out the KW for the UCS tracks, the 445 operating switch tower(unless you operate it on a contactor & isolated from layout common - same goes for the 145, 140, 153, 151,  & 450),  and the O22 switches(unless you want to run them on 20 volts, which is fine for the switches, not so fine for the bulbs/LEDs).

Keep the KW for two trains, The CW for the one loop, and power accessories & switches with one or two 1033 or 1044 transformers using "A" as common to the KW "U".  This will give you a good variety of fixed taps and up to 4 variable ranges(two 0-11 volts & two 5-16 volts) to suit most of your needs.

Last edited by ADCX Rob

Thanks for your response, Rob... I’ve read many of your posts on DPDT switches, accy control rebuilding etc. 

  I tend to run my trains quite slowly.  I’m inclined to believe at far less than 18V.  The Williams Sharknose, 221 Dreyfuss, and K-line switcher all run nicely with the KW’s power just cracked open slightly. 

 Would using terminal C as a common grounding post be a viable solution? That appears to give 0-14V for the A & B train loops, and a fixed 14V through terminal D for accessories. The U post having only 6V may actually be nice, since I like to run the barrel loader guy rather slowly as well...seems to work better a low power.

 VAlso, since I can adjust the CW’s accessory voltage to any value I wish,  would you think it’s a possibility for running all my 14V accessories through it’s power instead of the KW’s? Especially if the above C as a common idea is a no-go?  I would imagine the CW would have plenty of its 80 available watts left over for accessories, since it’ll only be running an O27 switcher, or MTH hand car around an eight section O36  loop. 

Tom9BDF5B57-AEDC-4186-9AC0-28253B0CF7E4

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