Boatworks Most Commented

Rig check

by Charles Mason, Posted August 4, 2009
Your mast is back in the boat—or it may have been there all winter—the shrouds are tuned, the engine is checked, and all the battens are in the sails. You are ready for your first sail of the season. Without doubt, many boatowners follow this path, but if you’re one of them, be ready to act quickly if a piece of gear holding the mast suddenly fails and the rig begins to
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Anti-siphon valves

by Dick Everett, Posted August 4, 2009


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Fresh air below

by Warwick M. Tompkins, Posted August 4, 2009
Despite all the progress in sailing gear and equipment certain aspects of life at sea never change. Keeping water out, maintaining good boatspeed, preserving and conserving food stores, and carrying adequate spares for the inevitable failures that occur are all perennial priorities. Plus one more thing; having a good supply of fresh air below.

Someone once observed that


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Our 1973 Norlin 34 project boat had been used mainly for club racing in its latter years, and it showed. Among its many outdated systems was the battery-management setup. It was no worse than what I suspect can be found on many other boats of that vintage, but it would not suffice for extended cruising.

The two Group 27 90AH deep-cycle lead-acid batteries, one for house


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Silence on the hook

by Nigel Calder, Posted August 3, 2009
As part of my hybrid-propulsion research I have been looking carefully at large-capacity Litihum-Ion batteries as a possible energy source on modern cruising sailboats. Lithium-ion batteries are common in cell phones and laptops, but they are rarely used in higher capacity applications. This may rapidly change, because the hybrid automotive and electric vehicle markets are in
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