Subject:
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Re: Home layouts (Re: Huge layout)
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Newsgroups:
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lugnet.trains
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Date:
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Fri, 4 May 2001 01:37:58 GMT
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Viewed:
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2647 times
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Dwayne Towell wrote:
>
> > > A nice layout, but why didn't you make it possible for trains
> > > to switch from one loop to the other - why the isolation?
> >
> >
> > The main reason is that I want to have multiple trains on the track and I'm
> > not sure what would happen if two transformers behave when accidently get
> > shortcircuited because the loops are connected.
> > I heard that some LTCs use multiple transformers to power the same layout,
> > so I might be overcautious but I'm not sure.
>
> I was in charge of powering the train for the 3000+' attempt at PNLTC's
> G2K World Record attempt. We used 10 or 12 power supplies on a single
> very long track. As long as the polarity is set right, we detected no
> ill effects. The train speed was some type of weighted average of the
> two nearest power supplies; the closer the train was to a power supply
> the more its setting effected speed/power.
>
> In cases where I have accidentally mismatched the polarity, I have not
> seen any adverse affects. OTOH, I try no to do that and fix it as soon
> as I notice it.
A simple examination of the electronics says that there is almost no
possibility of a problem if the two controllers are set to the same
polarity.
--
Frank Filz
-----------------------------
Work: mailto:ffilz@us.ibm.com (business only please)
Home: mailto:ffilz@mindspring.com
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Message is in Reply To:
 | | Re: Home layouts (Re: Huge layout)
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| (...) I was in charge of powering the train for the 3000+' attempt at PNLTC's G2K World Record attempt. We used 10 or 12 power supplies on a single very long track. As long as the polarity is set right, we detected no ill effects. The train speed (...) (25 years ago, 3-May-01, to lugnet.trains)
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