Is there a set formula for the amount of weight that should be added to HO scale rolling stock? A lot of my cars are not weighted, and fall off the track every once in a while.
NMRA RP20.1 Car Weights
Dr. Frankendiesel aka Scott Running BearSpace Mouse for president!15 year veteran fire fighterCollector of Apple //e'sRunning Bear EnterprisesHistory Channel Club life member.beatus homo qui invenit sapientiam