I lied about the miniature steam turbine. Here is a picture of the real prime mover before installation.
Thinking ahead for a mine tipple, would the conveyor from at 397 coal loader work as part of a scratchbuilt tipple? Would it pull from a container of "coal" without jamming too much? I wouldn't need the scoop. I am using aquarium gravel, I sifted out the small pieces with a kitchen colander.