Wow very nice! So in order to root cause what is going on...
I have measured those areas of the layout with a DMM in volts, and I am reading a voltage drop that varies from 18 to 17 at the terminals, at the track some locations are 17 others drop to 15. As more trains are brought onto the main the voltage drops to 13. There is a 3 percent grade where trains begin to stall as operating times exceed 4 to 5 hours. My layout is about 1060 square ft.
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