It doesn't work too well in one direction but fine in the other. I think that it needs some further support around the hub as it seems to rock too much. Maybe I left a washer out although I don't remember there being one left over.
Still it works.
An ongoing description of the trials and tribulations of building a model railroad. I am not one to worry too much about 100% accuracy. If it looks right then it probably is right for me.