Struggling with the boiler. 1/8” wall pipe is reluctant to bend into a firebox. Not ready for photos yet.
I was trying to duplicate your driver spacing. Turns out it is so close to the Harriman ten-wheeler that I can use my nickel silver cast side rods. Elegant!
Valve gear is strange - almost drags the rail on a turnout. And stroke is too short - new crankpins are going to happen.