Re: Track Buss Question
Posted by: "Roger Nulton" [EMAIL PROTECTED] skywater98339
Tue Jul 25, 2006 12:07 pm (PST)
Roger writes:
>I'm planning on using 12 gauge house wire. Does anyone see a problem with
>that, other than having to
>cut open the plastic sleeve when making a connection?
>Roger Nulton
Roger,
There is a neat program called "Handy Converter for Model Railroaders."
One of the many elements it is capable of calculating is: Resistance and
Voltage loss based on Wire Gauge, Length of Wire and Load(Amps). Seems to me
it would be wise to keep the line loss under one volt at the maximum expected
load. Therefore, you can determine the Wire Gage based on the farthest buss
run on your layout. For large layouts, you could also run more shorter power
feeds to the main bus line(s) to reduce the loss. Bill Roberts quoted NCE
recommendation for using #14 wire for mainline bus and twisting three turns (he
uses six) to the foot. Sounds like an excellent plan. With that few of
twists, it would be relatively easy to spread the wires sufficiently to strip
and connect smaller feeder wires to the track, etc. I cannot confirm, but it
makes sense the long runs, untwisted would be susceptible to noise. The
previously mentioned program also includes model RR conversion tables, grades,
curvature, car weight, etc.
Gary Chudzinski W8GRC
[EMAIL PROTECTED]
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