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Post by Deleted on Dec 4, 2016 21:50:33 GMT
Does such a thing exist and would it work?
I'm thinking a temporary removable type arrangement for when a boat is moored up that can be removed when the boat is cruising.
Reason:to protect the middle of the boat, normally vulnerable to the corrosion!
I welcome your thoughts/comments /piss taking.
Thankyou
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Post by tonyqj on Dec 4, 2016 21:54:13 GMT
It wouldn't work unless you scraped the blacking off where it attaches and even then it would be hit and miss. It needs to be electrically bonded to the hull in order to work.
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Post by JohnV on Dec 4, 2016 21:56:50 GMT
It wouldn't work unless you scraped the blacking off where it attaches and even then it would be hit and miss. It needs to be electrically bonded to the hull in order to work. I don't see why a big earth wire to an earthing point wouldn't be as good as direct contact ....... after all that's what you do on a wooden or GRP boat
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Post by tonyqj on Dec 4, 2016 21:58:09 GMT
It wouldn't work unless you scraped the blacking off where it attaches and even then it would be hit and miss. It needs to be electrically bonded to the hull in order to work. I don't see why a big earth wire to an earthing point wouldn't be as good as direct contact ....... after all that's what you do on a wooden or GRP boat Ooohhh... stray currents... naughty idea.
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Post by JohnV on Dec 4, 2016 21:59:54 GMT
I don't see why a big earth wire to an earthing point wouldn't be as good as direct contact ....... after all that's what you do on a wooden or GRP boat Ooohhh... stray currents... naughty idea. run it back to the main earth point ....... anyway attached to the hull the current flows would be a bit 'orrible to try and track down
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Post by tonyqj on Dec 4, 2016 22:05:52 GMT
Ooohhh... stray currents... naughty idea. run it back to the main earth point ....... anyway attached to the hull the current flows would be a bit 'orrible to try and track down An anode welded to the hull will protect the area of the hull in close proximity to it (most folk suggest a few metres). An anode located in the middle of the boat with a separate bonding wire to the stern would have to have electrolytic currents flowing through the hull in order to do anything. I'm not sure what would happen but it certainly doesn't sound like a great idea to me.
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Post by JohnV on Dec 4, 2016 22:09:31 GMT
run it back to the main earth point ....... anyway attached to the hull the current flows would be a bit 'orrible to try and track down An anode welded to the hull will protect the area of the hull in close proximity to it (most folk suggest a few metres). An anode located in the middle of the boat with a separate bonding wire to the stern would have to have electrolytic currents flowing through the hull in order to do anything. I'm not sure what would happen but it certainly doesn't sound like a great idea to me. Mmmmmm guess you're probably right ....... wot about welding an earth stud on the hull (inside) where the anode is stuck on (outside) and earthing to there
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Post by tonyqj on Dec 4, 2016 22:11:56 GMT
An anode welded to the hull will protect the area of the hull in close proximity to it (most folk suggest a few metres). An anode located in the middle of the boat with a separate bonding wire to the stern would have to have electrolytic currents flowing through the hull in order to do anything. I'm not sure what would happen but it certainly doesn't sound like a great idea to me. Mmmmmm guess you're probably right Β ....... wot about welding an earth stud on the hull (inside) where the anode is stuck on (outside) and earthing to thereΒ View AttachmentAnd drilling a hole through the hull to connect it? Seriousl though, yeah, I guess that would work ok.
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Post by JohnV on Dec 4, 2016 22:13:10 GMT
Mmmmmm guess you're probably right ....... wot about welding an earth stud on the hull (inside) where the anode is stuck on (outside) and earthing to there And drilling a hole through the hull to connect it? Seriousl thoug, yeah, I guess that would work ok. but who would want to go to all that faff !!!
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Post by tonyqj on Dec 4, 2016 22:13:38 GMT
And drilling a hole through the hull to connect it? Seriousl thoug, yeah, I guess that would work ok. but who would want to go to all that faff !!! Rusty?
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Post by Deleted on Dec 4, 2016 22:16:51 GMT
but who would want to go to all that faff !!! Rusty? Perhaps not! Maybe a option for a new build. Weld a sacrificial plate on the outside that the rusty patented magnetic anode is applied to. Of course, it would have to be ss so not to rust. Ha ha
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Post by JohnV on Dec 4, 2016 22:18:56 GMT
I seem to recall somewhere seeing an article (or post?) about narrowboat fitted with a recessed "box" with the anode fitted inside
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Post by Deleted on Dec 4, 2016 22:20:39 GMT
I seem to recall somewhere seeing an article (or post?) about narrowboat fitted with a recessed "box" with the anode fitted inside I have actually seen some somewhere. Looked good, but lots of work I would think.
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Post by tonyqj on Dec 4, 2016 22:23:06 GMT
I seem to recall somewhere seeing an article (or post?) about narrowboat fitted with a recessed "box" with the anode fitted inside I have actually seen some somewhere. Looked good, but lots of work I would think. And (anecdotally) of dubious use. The argument being that it'll only protect its own little alcove. I have no idea if that's true or not.
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Post by Deleted on Dec 4, 2016 22:26:42 GMT
Back to the drawing board for my next idea then.
This time next year we'll be millionaires
Floating windlass anyone?
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