Subject:
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Re: Isolating rails
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Newsgroups:
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lugnet.trains
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Date:
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Sat, 6 May 2000 12:04:06 GMT
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Viewed:
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879 times
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> I have also been thinking about isolating two stretches to use different
> powersupplies in one layout. I'm a little puzzled how to do it, the problem is
> that at one point there is a situation that the front wheels are on one side
> of the gap and the rear wheels on the other side - probably shorting the motor
> or -even worse I think- connecting both power supplies to one another via the
> motor. Leaving a stretch as wide as the motor isolated may work but I'm afraid
> that my slower engines (12V motor powered by the 9V track) will stall :-(
> Anyone had succeeded in getting this to work?
Yep. Just a single gap works fine. The period that the motor is bridging both
power supplies will not substantially affect either one.
The motor may stall if you have the 2 power supplies giving opposite polarities
of near the same voltage, or if you have a slight difference, then the motor
may roll onto the higher one, and reverse back onto the lower one (quite
comical to see happen, but not all that nice to the motor)
You shouldn't worry too much about it.
James P
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Message is in Reply To:
 | | Re: Isolating rails
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| (...) Yup, I used this method for the 12 to 9V signal conversion. You can read more about it on my webpage: (URL) have also been thinking about isolating two stretches to use different powersupplies in one layout. I'm a little puzzled how to do it, (...) (25 years ago, 6-May-00, to lugnet.trains)
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