I picked up a 2nd mrc power pack and now have 0 problems, thank you for the advice going through a learning curve after the work would be devastating. I am quickly running out of useable time this winter. I will have to wedge hear and make small movements first to have it super reliable. I had the 3/4 boards slightly sink or warp hence wedging and small movements. This is my permanent winter project of work and year long enjoyment after commencement of real work. I stay busy year round period and have outdoor hobbies that start very soon. I am for a few weekends finishing up my us gary Indiana steel board lights/floodlights etc and several moving parts for the area plus sound. this has been a fruitful and long project that I have dreamed of since childhood now near completion. I am glad that I ran into this forum and experienced modelers that have been through the ropes before me having that much track /6 mainlines plus many many spurs and a large yard ,coalmine,steel mill,refinery,chemical factory and get this remember 69 to 71 era before the epa 3 landfills. I have downtown Chicago and the complete l lines of blue orange green red I did not mess with northern Chicago it was just to sanitary for me I prefer reality not sugar coated bs.
