Electrolysis, Grounding and Corrosion - for sailboat cruisers

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The Whats, Whys, and Hows of Marine Corrosion

[Article] The Whats, Whys, and Hows of Marine Corrosion - add to MyResources
Thorough Overview By Miner K. Brotherton

An particularly lucid primer on what causes marine corrosion and the basic methods of preventing it. Understanding these principles will to understand some of the more advanced listings below. 4 pages with diagrams.

[Practical Sailor]
- Sources of corrosion on yachts

Corrosion Protection For Metal Fittings

[Article] Corrosion Protection For Metal Fittings - add to MyResources
Detailed How-To By John R. Marples

A surveyor writes about the damage he has seen from not either isolating unlike metals (aluminum mast / steel winch) or bonding potential problem fittings. 3 pages with good diagrams, especially of bonding.

[Practical Sailor]
- The online article:

Corrosion, A Boatman's Primer

[Article] Corrosion, A Boatman's Primer - add to MyResources
Overview By David Pascoe
Corrosion, A Boatman's Primer

"Of all the complicated subjects one needs to know as a boat owner, this is probably the most difficult, and least understood," says the author, a marine surveyor. Topics include causes, zincs and bonding, with comments on stainless and aluminum, Lots of illustrations.

[Yachtsurvey.com]
- Yacht corrosion

Electrolysis Can Eat Your Prop

[Site] Electrolysis Can Eat Your Prop - add to MyResources
Membership organization Electrolysis Can Eat Your Prop

A pithy summary of how stray current and galvanic action are out to get you and what to do about it.

[BoatSafe.com, USA]
- Protecting your propeller from electrolysis

Tips on Electrical System Use and Maintenance

[Article] Tips on Electrical System Use and Maintenance - add to MyResources
Brief How-To By David Pascoe
Tips on Electrical System Use and Maintenance

A marine surveyor takes you on a tour of what can go wrong with a boat′s electrical system design, how to prevent it, and whom to hire to fix it.

[Yachtsurvey.com]
- Electrical maintenance tips

Understanding Grounding and Bonding

[Article] Understanding Grounding and Bonding - add to MyResources
Overview By Kevin Hughes
Understanding Grounding and Bonding

Managing the current that flows outside the designated wiring can reduce galvanic corrosion from your own boat, electrolytic corrosion from your neighbor′s boat, and protect you from lightning,

[SailNet, 27 April 2002]
- Reducing galvanic action

Corrosion in Marinas: The Hot Dock

[Article] Corrosion in Marinas: The Hot Dock - add to MyResources
Overview By David Pascoe

An explanation of the causes of galvanic corrosion at the dock, who causes it, and what you should do to protect yourself. Lots of stuff you should know if you have any electrical system on your boat, dock or no dock.

[Yachtsurvey.com]
- Corrosion at the marina

Understanding Galvanic Corrosion

[Article] Understanding Galvanic Corrosion - add to MyResources
Overview By Kevin Hughes
Understanding Galvanic Corrosion

Why bonding and grounding are necessary. The use of sacrificial anodes.

[SailNet, 22 May 2002]
- Avoiding corrosion

Understanding Electrolysis

[Article] Understanding Electrolysis - add to MyResources
Brief How-To By Kevin Hughes
Understanding Electrolysis

An explanation of how improperly wired shorepower can turn your boat into an electrode, with three recommendations for preventing this.

[SailNet, 17 June 2002]
- Preventing galvanic action

Getting Grounded

[Offline] Getting Grounded - add to MyResources
Detailed overview By Ed Sherman

A grounding system protects from corrosion, electrical shock and lightning, radio interference, and can prolong the life of electrical equipment. The complexities of grounding and bonding. 9 pages with photos and diagrams.

[Professional BoatBuilder, April 2003]
- Order Issue 82 of Professional BoatBuilder

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Related Topic Lightning Protection

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If your boat is 10 years old and you have never serviced the wire connections, then rest assured that your bonding system is now useless.

David Pascoe


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