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16-06-2013 #5
The way I see it, the only way the shaft wont be earthed is if they have ceramic bearings and I cant see them having those unless they are the cheaper ceramic coated balls but again, they would be bragging "ceramic bearings" if they did have even those so its a safe bet that they will be fine............. if not you may have to change bearings for some nice cheap ones :)
Edit: just had a though.... if that mount is anodised, that may isolate the earth as aluminium oxide is none conductive (or very poor) so you may have to leapfrog the gaps twixt your motor body and mount
Your mount and Z plate should be fine (via the fixings)
I would guess that those people having problems with the model you mention are suffering this slightly elusive isolator.Last edited by blackburn mark; 16-06-2013 at 11:42 AM.
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