At 09:55 PM 30/12/00 -0600, Trent Dowler wrote: > I e-mailed Trevor at The Signal Box asking for more information. With the >exception of telling me that it had a single piston valve between the >frame, he >had no information available other than what's already been discussed here. He >did mention it having "semi-Walsherts" valve gear. Not meaning to open a >can of >worms here, but what is "semi-Walsherts" when compared to Walsherts? Have a look at any Roundhouse loco (non-slip eccentric kind) and you see semi- walsherts (sp?). They simplify it by leaving out some parts. regards, pf
