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Originally Posted by BlackBMWs  I have a brass gear somewhere. It will mesh with the metal worm and direct drive gear... |
The brass gear(s) I had before (and these look the same) replaced the pair of plastic gears with a single gear.
If I recall correctly, the plastic gears had some "give" to the pair that the single brass gear does not but a little caution when running the top to the limit was all that was necessary.