Re: STAINLESS VS. ALUMINUM
yes, putting a stainless prop on a boat left in the water will increase the amount of electrolisys, just ask Mercruiser what happened to the Bravo Three's when they're left in the water. Each blade acts just liek an additional plate in a battery, teh more surface area the alkaliine solution( salt water in this case) can act on, teh more electrolisys can occur, even four blades will increase it over a three blade, you also have to watch diameter and surface area also, Mercruiser stopped selling stainless Bravo Two blades after they had them rot the drives off.
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