>>11121897Unless you have serious machinist skills and access to a shop, you won’t be able to build a working mechanism for a locomotive, especially a steam engine. That said, if you find a chassis that’s close to what you’re trying to build, all the superstructure is just along for the ride and can be built with any material and doesn’t have to be precise. This started as an N scale Bachmann 2-6-0, modified to a “camelback” engine, used to burn low grade anthracite coal waste.