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Electrochemical corrosion for aluminum and stainless steel
http://www.hobie.com/au/en/forums/viewtopic.php?f=24&t=67883
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Author:  CA Newbie [ Wed Feb 10, 2021 5:40 pm ]
Post subject:  Electrochemical corrosion for aluminum and stainless steel

I'm thinking about making motor mount from aluminum pieces screwed together with stainless steel bolts. Brief search over internet shows that electrochemical corrosion of aluminum could be an issue, however Wave have some stainless steel parts screwed to aluminum (stoppers on crossbars, mainsheet and righting line tangs, etc.) and I don't see any issues.

Should I worry? If I should, what extra precautions recommended to prevent corrosion?

Author:  mmiller [ Thu Feb 11, 2021 11:19 am ]
Post subject:  Re: Electrochemical corrosion for aluminum and stainless ste

Anti-corrosion material. Forespar makes one called Lanocote

https://www.forespar.com/products/boat- ... cote.shtml

Author:  mike2sail [ Thu Feb 18, 2021 11:33 am ]
Post subject:  Re: Electrochemical corrosion for aluminum and stainless ste

Also depends on where you are sailing... a pristine freshwater Canadian pond would be much different than the ocean.

Author:  CA Newbie [ Thu Feb 18, 2021 6:20 pm ]
Post subject:  Re: Electrochemical corrosion for aluminum and stainless ste

mike2sail wrote:
Also depends on where you are sailing... a pristine freshwater Canadian pond would be much different than the ocean.
Yep, boat won't see saltwater for foreseeable future.

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