Zinc slid down shaft

quote:

Originally posted by Stephen

quote:

Originally posted by boatbum

I've never understood the need for those brushes. The engine should be connected to the bonding system as well as (potentially) the gearbox. There has to be enough metal in contact to allow the required current to flow or not.






I agree. And on my boat, I also have the shaft, rudder, and water intake thru-hulls included in the bonding. What I don't have included are the trim tabs - because they are stainless and have their own dedicated zincs.








The only way to have shafts in the bonding system is to have the brushes.
 
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