prrjim posted:I have thought about this some more and came to a conclusion on the major difference.
The couplers, the curve radii, the electrical system, and even the flange size are generally different but are not show stoppers.
When you get right down to it, the major difference is that the 3 rail equipment axles are not insulated. If you are using the rails for electrical pickup, this causes a dead short. There is no short moving 2 rail cars to 3 rail track.
All the other differences can be worked around, or changed easily.
I would agree with that statement except for the LAST word. It's not easy (opinion) to 2 rail a 3 rail steam locomotive. There is also a lot of TOY oriented 3 rail product.......anyone for a crayon car or a giraffe car? Yes, there is 3 rail stuff that is fairly easy to convert, and then there are some things that require a machinist's talents. There is quite a lot of 2 rail stuff out there on the secondary market. One thing for certain, you won't find everything that is out there in HO.
Simon
