Engineer-Joe posted:I usually can't remember my own name. I thought I had read of someone who had something to do with the wheel profile or design in three rail (Hi rail) years ago?
Does that sound right? I can't really help here with this. Sorry to interrupt.
Yes Joe, there are NMRA standards for 3 rail, but getting the manufacturers on board is another matter. Creating those standards is a thankless task when they are largely ignored.