Skin fittings mixing brass and bronze

petem said:
Ah, but I have a boat with outdrives so no busbar for anodes. The only anodes that I can recall having are on my props, legs, trim tabs and bow thruster.
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Interesting to compare your setup with my Targa 40 - where all the seacocks are bonded, and there is a common busbar on the transom between the drives which connects through to a 6 inch button anode. I had assumed that this was all OE, but maybe not?
 
jimmy_the_builder said:
Interesting to compare your setup with my Targa 40 - where all the seacocks are bonded, and there is a common busbar on the transom between the drives which connects through to a 6 inch button anode. I had assumed that this was all OE, but maybe not?
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Are you saying that your forward seacocks are bonded to the transom busbar?
 
petem said:
Are you saying that your forward seacocks are bonded to the transom busbar?
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They are definitely bonded, although I have never followed those specific bonding cables back through the boat to the busbar (although the cable certainly looks the same at the seacocks and the busbar).
 
It's indeed weird that two not so different boats from the same builder follow such different approaches.
I can't remember off the top of my head, which are the respective production years, folks?
Maybe they changed from unbonded to bonded (or VV) at some point in time... Just a thought.
 
I did the MCA Diesel course with East Anglian Sea School last month and the trainer (who is also the owner and very experienced in all things boaty) showed us some plastic/composite seacocks/valves. He said that they replace all existing fittings with these on their school boats. Anyone had any experience of these or know how good the are?
 
MapisM said:
It's indeed weird that two not so different boats from the same builder follow such different approaches.
I can't remember off the top of my head, which are the respective production years, folks?
Maybe they changed from unbonded to bonded (or VV) at some point in time... Just a thought.
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There's a FB page that ex employees post to so I asked the question about FL seacock bonding there. There consensus so far is that seacock bonding at Fairline was not common for EU boats however for boats built for the US did have bonding. Also, JFM says that his boat had bonded seacocks so perhaps the larger boats were bonded too.

So for Jimmys boat, this bonding was either retrofitted, installed in error, or the T40 was an exception.

T34 was produced between 1996 and went on to about 2006. Mines is a 2002/3 boat. T40 was launched in 2000 and I think Jimmy's is a 2006 ish boat.
 
petem said:
There's a FB page that ex employees post to so I asked the question about FL seacock bonding there. There consensus so far is that seacock bonding at Fairline was not common for EU boats however for boats built for the US did have bonding. Also, JFM says that his boat had bonded seacocks so perhaps the larger boats were bonded too.

So for Jimmys boat, this bonding was either retrofitted, installed in error, or the T40 was an exception.

T34 was produced between 1996 and went on to about 2006. Mines is a 2002/3 boat. T40 was launched in 2000 and I think Jimmy's is a 2006 ish boat.
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Mine is 2005 and delivery to first owner was in Guernsey (ie non EU) if that makes a difference.
 
I've never thought of a reason to care so I always buy domed because it matches OEM. Saying that, I only buy bronze where there is no real corrosion risk. If brass I would care more about thickness of the inclined versus domed flanges and I would buy whichever is thicker. But if you're buying bronze then get domed imho
 
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