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Seamanship Question #17 Galvanic Corrosion
[This question inspired by Capt Neal]
You just sold all your powdered Mercury, that you made into a paste with tuna fat, and had enough money left over to purchase a 56' aluminum yacht. It is an expensive aluminum yacht, therefore cost is not a factor in developing mulitple solutions to protect the hull from galvanic corrosion. What are your solutions? [1 pt] |
No loose change on board.
Cheers N1EE wrote: [This question inspired by Capt Neal] You just sold all your powdered Mercury, that you made into a paste with tuna fat, and had enough money left over to purchase a 56' aluminum yacht. It is an expensive aluminum yacht, therefore cost is not a factor in developing mulitple solutions to protect the hull from galvanic corrosion. What are your solutions? [1 pt] |
Wipe it down with the remaining tuna oil.
"N1EE" wrote in message om... [This question inspired by Capt Neal] You just sold all your powdered Mercury, that you made into a paste with tuna fat, and had enough money left over to purchase a 56' aluminum yacht. It is an expensive aluminum yacht, therefore cost is not a factor in developing mulitple solutions to protect the hull from galvanic corrosion. What are your solutions? [1 pt] |
....or coat it with zinc oxide....
"katysails" wrote in message ... Wipe it down with the remaining tuna oil. "N1EE" wrote in message om... [This question inspired by Capt Neal] You just sold all your powdered Mercury, that you made into a paste with tuna fat, and had enough money left over to purchase a 56' aluminum yacht. It is an expensive aluminum yacht, therefore cost is not a factor in developing mulitple solutions to protect the hull from galvanic corrosion. What are your solutions? [1 pt] |
"N1EE" wrote in message om... [This question inspired by Capt Neal] You just sold all your powdered Mercury, that you made into a paste with tuna fat, and had enough money left over to purchase a 56' aluminum yacht. It is an expensive aluminum yacht, therefore cost is not a factor in developing mulitple solutions to protect the hull from galvanic corrosion. What are your solutions? [1 pt] Since the boat is already produced, there is little one can do other than install cathodic protection. An active cathodic protection system would be more effective than a passive system such as zincs. Active cathodic protection uses a little electricity but I'm sure the battery bank would be large enough on a 56 foot yacht to accommodate it. CN |
http://pwtc.nfesc.navy.mil/CathProt/...es/1004_10.pdf
Amen! Bob Crantz "N1EE" wrote in message om... [This question inspired by Capt Neal] You just sold all your powdered Mercury, that you made into a paste with tuna fat, and had enough money left over to purchase a 56' aluminum yacht. It is an expensive aluminum yacht, therefore cost is not a factor in developing mulitple solutions to protect the hull from galvanic corrosion. What are your solutions? [1 pt] |
Don't buy aluminum unless you have a Class D fire system and plan to spend
as lot of time on maintenance instead of sailing. M. "N1EE" wrote in message om... [This question inspired by Capt Neal] You just sold all your powdered Mercury, that you made into a paste with tuna fat, and had enough money left over to purchase a 56' aluminum yacht. It is an expensive aluminum yacht, therefore cost is not a factor in developing mulitple solutions to protect the hull from galvanic corrosion. What are your solutions? [1 pt] |
Do not use the hull as a ground return for any part of the electrical
system. Keep the interior dry. Rick |
In article ,
N1EE wrote: [This question inspired by Capt Neal] You just sold all your powdered Mercury, that you made into a paste with tuna fat, and had enough money left over to purchase a 56' aluminum yacht. It is an expensive aluminum yacht, therefore cost is not a factor in developing mulitple solutions to protect the hull from galvanic corrosion. What are your solutions? [1 pt] Dip it in chocolate? -- Jonathan Ganz (j gan z @ $ail no w.c=o=m) http://www.sailnow.com "If there's no wind, row." |
More details? How do you know its working?
What other options are there? Capt. Neal® wrote "N1EE" wrote snip and had enough money left over to purchase a 56' aluminum yacht. It is an expensive aluminum yacht, therefore cost is not a factor in developing mulitple solutions to protect the hull from galvanic corrosion. What are your solutions? [1 pt] Since the boat is already produced, there is little one can do other than install cathodic protection. An active cathodic protection system would be more effective than a passive system such as zincs. Active cathodic protection uses a little electricity but I'm sure the battery bank would be large enough on a 56 foot yacht to accommodate it. CN |
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