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Drill Slop
I was curious for some time about the exact cause of this drill motor slop in the transmission. I found it to be part of the variable load clutch mechanism and it can be taken out completely but you will have a little job on your hands. The slop results from the internal gear sleeve is prevented from rotating under load by balls that are spring loaded. These balls pass through the holes in the housing shown in the picture and the bumps on the back of the gear sleeve are so far apart that it will spin until the ball comes into contact. The fix? weld on more bumps! then it won't rotate at all. Minimal play.
The unit shown is a 2001 model but I suspect the same feature in the 2003.
The only problem then is the mounting of a long motor/transmission on the Segway gets in the way of where you would want to stand if you are going for the ultimate in low CG
of the machine.
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