If you are a saltwater boater you should install zinc or aluminum anodes to prevent galvanic corrosion on the engine and underwater parts of your boat.
Boat motor zinc. Zinc plate anodes are also used on metal boats to protect the hull and need to be carefully monitored. Fortunately changing the external anodes on an outboard is incredibly easy. The optimum for copper and aluminum are-065 and-095 volt respectively.
We stock over 1500 different products for same-day shipping. Eastern Marine sells Zinc Anodes for many popular Boat Motor applications including. The preference for zinc anodes stems from the fact that zinc has a higher voltage conduction than these other metals.
Bonding is the connecting together of zinc plates bolted to the hull to other metals by wires. Ad Luxury Cobalt Boats in Lake Geneva WI. Anodes or zincs need to be replaced at least once year as part of an outboards routine maintenance.
Diagrams of the locations of Anodes on Hulls Engines and Drives PDF - 159 MB The protection of the underwater metal parts of a boat or motor from corrosive electrolytic action is a very real and necessary concern. Magnesium for fresh water ONLY. Then premium-grade Martyr anodes are the way to go.
Choose zinc anodes for saltwater aluminum anodes for brackish water or magnesium anodes for freshwater. In this method you simply add zincs to boat until hull potential reaches the desired value. Corrosion protection for outboard and outdrive propellers is typically provided by a bolt-in-place zinc ring or a zinc prop nut.
Zinc for aluminum or salt water. The only alloy proven to protect your boat in fresh water. Streamline Shaft Zincs Rudder Button Zincs Marine Heat Exchanger Zincs Mercury Outboard Trim Zincs Mercury Alpha Block IO Zincs Yamaha Transom Bar Zinc Solid Plate Hull Zinc and Bolt-On Hull Zinc.