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Some DCC definition confusion...explain please

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Some DCC definition confusion...explain please
Posted by blownout cylinder on Tuesday, December 16, 2008 6:48 PM

One of this fellows issues right now is that I am going to get into the DCC thing in a short bit and of course I am discovering that my basic understanding of some terms has me mixfusilated. For example; What, exactly, is the difference between Speedmatching and the adding of another engine in a consist? Or is there not much of a difference? Does adding an engine to a consist already factor the speedmatch in? Confused

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Posted by jeffrey-wimberly on Tuesday, December 16, 2008 6:57 PM

 Speed matching is the act of adjusting the decoders CV's so the loco runs at the same speed of the other loco(s). Adding a loco to a consist is just that. You're adding it to the consist.

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Posted by mobilman44 on Tuesday, December 16, 2008 6:59 PM

Hi, I am also very new to DCC, but think I can answer your question.........

Speedmatching a loco with another loco means that you program each so that they go the same speed at a given throttle setting.  Then, you can run the two in a consist and the will rn the same speed and not be pushing or pulling each other.

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Posted by jrbernier on Tuesday, December 16, 2008 7:00 PM

  Here are the 'basics', and this is a good reason folks sing the praises of Decoder Pro & a computer interface. 

  • Consisting - MU'ing 2 or more engines together so  that they will all respond to the same throttle.
  • 'Speed Matching' - Matching the speed of the engines so that they will not 'fight' one another in a consist.  If one engine goes 70 mph at full throttle and the other engine goes 100 mph - there is a problem.  And getting them to 'start' together is even higher on my priority list.  With DCC, it is possible to 'Speed Match' engines so that they all start together and have the same 'top end'.  This is done with some basic CV adjustments, and this new speed configuration is 'stored' in the decoder.

Jim

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Posted by richg1998 on Tuesday, December 16, 2008 8:44 PM

 Here is a link to a lot of DCC info. Store the link in your Favorites folder for future reference.

http://www.members.optusnet.com.au/nswmn2/DCC.htm

 Rich

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