Re: Where to isolate on large loops and wye


Don Vollrath
 

Good description of AR, Bill.
Some may argue with the need to have the AR section longer than the train only to get caught later with problems when using lighted passenger cars or a lighted caboose or a following helper loco.
If two AR sections abut one another there can be a never ending cycle of both AR controllers detecting a phase mismatch and flipping the polarity only to find a mismatch again and repeating the cycle. A simple fix is to provide a short section of track between them wired at a fixed polarity.

DonV

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