Subject:
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Re: 9v vs 12v
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Newsgroups:
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lugnet.trains
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Date:
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Tue, 24 Jul 2001 14:51:09 GMT
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Viewed:
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954 times
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In lugnet.trains, Frank Filz writes:
> > > Some disadvantages of 12V:
> > >
> > > - The turnouts don't switch electical power which means you can't put a
> > > train in a siding and then isolate it from the main loop (so those
> > > signal tracks are rather necessary).
> >
> > Not a big deal if I build a larger layout for myself, but for just throwing
> > together some track for my kids to play with trains it might be a pain.
>
> Even on a big layout it's a pain. Since all sidings are powered all the
> time with 12V, you can't have an isolated siding without pulling tricks.
> Of course you can have an isolated siding without modifying parts if you
> create one stud gaps in the rails. The Technic direction control switch
> can be used then to selectively supply power.
I personally rather have the power sidings and use signals to control the
movement of the trains. Layouts shown in the 7777 train book are generally
impossible to recreate in a 9V layout because the sidings need power in
order to run more trains.
pages:
http://www.brickshelf.com/scans/7000/7777/7777-48.html
http://www.brickshelf.com/scans/7000/7777/7777-49.html
> I've also considered ways to use the 12V accessories on a 9V system. The
> remote crossing gate of course works just fine. The signal set could
> also be used, you just need to skip the 12V isolation rails provided,
> and provide your own gap (either by cutting 9V track, or by inserting a
> 1 stud gap). The remote points unfortunately are almost totally useless
> (but you can still buy them brand new at the LEGO outlet stores...)
To use the 12V signal, take a look at:
http://members.chello.nl/~f.buiting/lego/trains/signal.html
Henry, other reasons to buy 12V stuff even if you're plan to operate a 9V
layout:
* 12V trains are very nice models and have good selection of parts.
* Cars can run on 9V also
* With the help of a 9V motor as power pickup, you can power the 12V motor
and have the cool moving rods on your steamlocomotive. (A great example of
this technique: http://www.royal-train.com/gallery_kathryn.jpg )
* In most trains the 12V motor can be easily replaced with a 9V one (7740,
7755, 7760) or the motorised tenders can be rebuild on top of a 9V motor.
-Frank
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Message has 1 Reply:
 | | Re: 9v vs 12v
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| (...) (you may only need an extra track power connector). Of course given an unlimited budget, I could create a much more enjoyable layout with 12V and be pure since the signal track is very flexible. Ultimately though I think the way to go is to be (...) (23 years ago, 24-Jul-01, to lugnet.trains)
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Message is in Reply To:
| | Re: 9v vs 12v
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| (...) See this post from yesterday on train compatibility for more information: (URL) >- The 12V system has electrical accessories which 9V doesn't have: (...) No command control, though a few folks have adapted DCC for 9V use (it would work equally (...) (23 years ago, 24-Jul-01, to lugnet.trains)
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