Walthers cabooses and gondolas have this problem when negotiating 18" and 22" radii curves. For the caboose, I shave off the backside corner of the stair well that rubs against the truck. It improves it but doesn't eliminate the problem altogether.
Tom
https://tstage9.wixsite.com/nyc-modeling
Time...It marches on...without ever turning around to see if anyone is even keeping in step.
I've got two Bowser cabooses and both have minor wheel rubs on one end. It acts as a sort of permanent brake and occasionally derails it.
Does anyone else have this problem -- and more importantly -- how should I solve it?
thanks
Todd
Blog: www.smallrails.blogspot.com. Pictures, videos and tutorials.