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Jet Boats
General Jet Boat Discussions
cathodic protection.
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<blockquote data-quote="PSG-1" data-source="post: 384930" data-attributes="member: 6937"><p>Thanks, barefoot johnny! I've been welding aluminum for the last 20 years, so, there's not too much you can throw at me that I can't handle. I've repaired a few keels like this.</p><p></p><p>Amk, I wouldn't say that using a magnesium anode in saltwater is necessarily "bad", as long as you remember to check it often, and replace as needed. If you look at the scale of anodic metals, you will see that magnesium is at the top, followed by aluminum, and then zinc.</p><p></p><p>Based on that, it makes sense to me to use magnesium anodes, even if it means replacing them a little more frequently. Anodes are cheaper than hulls, or expensive repair jobs.</p></blockquote><p></p>
[QUOTE="PSG-1, post: 384930, member: 6937"] Thanks, barefoot johnny! I've been welding aluminum for the last 20 years, so, there's not too much you can throw at me that I can't handle. I've repaired a few keels like this. Amk, I wouldn't say that using a magnesium anode in saltwater is necessarily "bad", as long as you remember to check it often, and replace as needed. If you look at the scale of anodic metals, you will see that magnesium is at the top, followed by aluminum, and then zinc. Based on that, it makes sense to me to use magnesium anodes, even if it means replacing them a little more frequently. Anodes are cheaper than hulls, or expensive repair jobs. [/QUOTE]
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cathodic protection.
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