Repairing Cracked Gears with Baking Soda and Super Glue
HO Scale Bachmann Old School Pancake Motor Repair
I've been advocating gear replacement a lot lately. That is the preferred method, but sometimes you just need to repair and existing gear.
You may have heard the legend of the baking soda and super glue repair method. If you haven't, then it goes like this: you can combine baking soda and super glue into a paste that can be used to repair gears that are impossible to find a replacement for....
That is mostly correct, but how you actually do it is to fill the crack with a fine dusting of baking soda and apply a tiny drop of super glue and it will create a super strong weld.
While rebuilding another pancake motor from a Bachmann U36B, I did discover 2 cracked gear and decided that it was time that someone demonstrated the legend.....
Here is a video demonstrating: