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 07:58:08 GMT
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Viewed:
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947 times
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In lugnet.trains, Jonathan Reynolds writes:
> Has anyone tried making isolating rails? By this I mean a purposely modified
> section of track with a cut in one or both rails (can be done with a modelling
> grinder etc.).
Yup, I used this method for the 12 to 9V signal conversion. You can read more
about it on my webpage:
http://members.brabant.chello.nl/~f.buiting/lego/trains/signal.html
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?
--
Frank Buiting
Visit the LEGO Lexicon: http://members.chello.nl/~f.buiting/lego/
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Message has 1 Reply:
 | | Re: Isolating rails
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| (...) 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, (...) (25 years ago, 6-May-00, to lugnet.trains)
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Message is in Reply To:
| | Isolating rails
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| Has anyone tried making isolating rails? By this I mean a purposely modified section of track with a cut in one or both rails (can be done with a modelling grinder etc.). All the postings I have read refer to using 1 stud gaps between the rail ends (...) (25 years ago, 5-May-00, to lugnet.trains)
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