I made a bigger test track,O-54 curves 5 straights each side. But this time at least the SD70 would fit.
Sat.Midnight to Sun. 2 am
I think you're chasing your own tail - or you loco is!!!!
Nice and fun, though.
Licensed professional engineer: TX41077
TCA member 12-67322
Certifiable model train nut
"If no one as ever done it that way, it might be fun to try."