I'm having trouble keeping my Forney on R2 or R3 radius curves.  Any suggestions, or is it not possible?  What is the smallest radius that it can run on? I really like the loco, but don't have a great deal of space to work with.  Any info much appreciated.

Thanks

Looking for a good DC sound board for a Large Scale Forney, Something easy to install.  Suggestions?
Thanks

Looking for basic, easy to install, DC sound system for Large Scale Forney 80999, bell, chuff, and whistle.  Any suggestions?

Thanks, jcd356b