Okay guys, look before you leap into this.
The very reason you want to use worm gears is the inherent weakness
of worm gears.
The amount of back pressure from a large array is expended on
a very small portion of the gear. These gears usually are not designed to
have that much energy applied and unless the worm is of a very high
strength, they will fail. And a worm gear that has failed usually means a free
Look for proper worms if you are intent on that direction.
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