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Old 27 April 2010, 11:14   #21
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Country: UK - England
Town: The wilds of Wiltshire
Boat name: WhiteNoise/Dominator
Make: Ballistic 7.8/SR5.4
Length: 7m +
Engine: Opti 225/Yam 85
MMSI: 235090687/235055163
Join Date: Jul 2005
Posts: 12,645
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Quote:
Originally Posted by Bigmuz7 View Post
Indeed, but worse .. I have seen some people put the earth strap on the other side of a bearing in this situation .. a small flash later as they strike the arc, and they've ended up welding the bearing solid , destroying it because of an arc jumping through the bearing to get to the electrode on the shaft (hope that makes sense)

There looks to be enough length on the crank to attach to for welding,.. but I agree, I'd prefer a drill and tap myself, as long as the shaft hasnt been case hardened.

Good point. I wasn't thinking about someone doing something that daft


The shaft shouldn't be case hardened. If it was, it'd have shattered rather than twisted.
However, it's stainless so drilling could be a little 'fun'.
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