I know this has been a contentious issue of late but I found this on-line to-day and thought it might be of interest to other modelers. http://www.pacificcoastairlinerr.com/accumates/
The first link is to an article on couplers in general and a chart that shows what coupler represents what type of prototype. The second shows an On30 coupler that just might also work well in S. http://home.comcast.net/~brmetcalf/rr/coupler.htm Food for thought. Daniel McConnachie Retired Head of Music Stouffville District Secondary School
