Subject:
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Re: Even more Wow!! for your buck!!! was Re: Woo Hoo!!!!! (part deux...)
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Newsgroups:
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lugnet.org.ca.rtltoronto, lugnet.trains
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Date:
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Mon, 2 Jun 2003 14:11:15 GMT
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Viewed:
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1090 times
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In lugnet.org.ca.rtltoronto, Larry Pieniazek wrote:
> In lugnet.org.ca.rtltoronto, David Koudys wrote:
>
> <snip>
>
> Regarding reverse loops and DCC I seem to recall that it's possible to
> automate them so you don't have to cut gaps that the motor has to coast
> across
>
> See this track diagram
>
> http://members.shaw.ca/sask.rail/dcc/loop.html
I'm not up on DCC, but with normal track it is normally done by having the
loop divided into 2 power blocks, rather than one as in the above diagram. With
3 power blocks you can always switch the block the train is heading toward to be
compatible with the block it is in so there is never a gap to cross. Once the
engine has crossed into a new block the trailing block is free to be changed and
there is time to set the leading block.
I'm sure you know all that, it's an old technique, but wouldn't that work
here? Or is there something about DCC which prevents using it? Or does DCC
somehow reduce the number of blocks needed, thus simplifying the layout?
Brian H. Nielsen
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