I was reading Eric's post. Dat Diminutive Dockside, over at Trackside Treasures and I got to wondering how slow my old Dockside Switcher would go.
I got "Ma" off the shelf, gave it a drop of oil on its gears, and took it for a spin on the Way Out Layout. After some break-in time from sitting on the shelf for so long I gradually turned the throttle on my power pack (a Kato Standard SX model) lower and lower. The video shows the lowest speed I could obtain and still do complete loops.
It turns out the switches were the limiting factor. The speed would get so low that the loco didn't have enough momentum to carry it over the non-conductive plastic parts on the switches. The loco is a 4-wheeler with only 23mm between axle centres, so it stalls out on those Atlas switches if it's going too slow. I could make it go slower down the switch-free main street, but as I said, it wouldn't do full laps of the layout.




