When I saw the set box of the Hafner Century of Progress train, I realized that I have some Hafner banked track and it does have curves that are 19" from outside rail to outside rail. So I put the track together to see how it would run. I only have 2 Hafner straights, but here is a video I made to show how it would run on original track. I wound up the spring fully to show how long it would run. I you watch to the end, you will see a slow motion derailment.
There is a real nice TCA link to the history of Hafner here:
http://www.tcawestern.org/hafner.htm
