Last Month the Japanese try to retrive this mod a little bit more. They played in the at 2pm CET. At the moment the gametracker,com Server Monitorring is off. Hope soon they turn it on. The ranking seems to work.
I made a train for a map a while ago but could only get it to go in a straight line, but it did have multiple carts. I think there's the tradeoff, the bf42 engine doesn't really have support for pivot points.