I made up most of the tender body and then spent a while getting things level. Set the buffer heights and shim the compensation beams so the footplates are lined through. Then place the loco and tender on the tightest curve I have ( about 48 inch radius ) and that gives me the minimum length for the tender - loco drawbar. The Caley coaches tender kit includes these, but the size I needed was between the two. Easily adjusted. I put the whole thing together and ran it up and down for a while. Tend