QUOTE: Originally posted by Jetrock HOn18 (well, HOn21 if we want to get picky) using Z scale would be a fairly amazing undertaking--I've seen examples of Gn15 using HO scale track, and I suppose one could do On15 or thereabouts using N scale track. Do a search for Nn3 materials (N scale models using Z scale track, like HOn30 modelers use N scale track) online--if they make Nn3 ore cars, you might be able to cobble them into HOn15 equivalents--or just scratchbuild the cars on top of Z scale trucks. As to the engine, that could be tricky--I don't think anyone makes a two-axle Z scale locomotive, and you'd need one to turn into a 15" scale "critter" for your motive power. It could be an amazing little kit done right, though...good luck!!
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QUOTE: Originally posted by jrbarney That said, a Z scale loco might be a starting point, but Marklin is not traditional 2 rail DC so I don't think you want to go that route. Grandt Line and NorthWest Short Line do offer some small power trucks, but I think even those units are too large to modify for an 18" gauge track. Bob NMRA Life 0543
QUOTE: Originally posted by shmittyjohnson JRBARNEY But also, why would i need to make notches in the rails if this is operating track?