I gotta say that this rail train fascinates me, but it's almost not modelable without using up a LOT of real estate, and what radius curve would be necessary?
It could sit off statically on a long siding, I guess. An N-scaled CWR section would exceed 9 feet... longer than that submarine! I guess you could half that and still have a slick model... 😂
Someone's prolly done it!!