Fr Robert Ballecer, SJ I was thinking about the dif in the lunch box build Could you put some...

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Fr. Robert Ballecer, SJ  I was thinking about the dif in the lunch box build. Could you put some rubber foam in between the drive gear and the two spur gears (attached to the drive shafts) to make a limited slip? I am not to sure if this would produce enough friction to accomplish this, and the foam would get chewed up pretty quickly, but it would be neat to find out. :)