Boatworks

Boom Time

by Sail Staff, Posted August 21, 2008

"Yachts shall comply with the US SAILING recommendations of OSR 5.11, Preventer or Boom Restraining Device. The boom-restraining device shall be installed and demonstrated at the time of the yacht's mandatory courtesy inspection. A process and plan for its use shall be part of the crew's training and practice."

This paragraph, from the Notice of Race; Special Requirements for the


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Better Water-Tank Vent

by Sail Staff, Posted August 20, 2008
Edited By Mark Corke

Better Water-Tank VentJim Hancock sends us this idea from New Zealand, where he and his wife, Eleanor, cruise aboard their Freya 39, Solstice. Solstice’s freshwater tank vented into the bilge, so when the boat heeled, water from the tank would siphon into the bilge. Jim’s solution was to buy an inexpensive off-the-shelf dishwasher air gap—a device that


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Make A Portable Pump

by Paul Esterle, Posted August 20, 2008

The cockpit lockers on my 20-foot trailersailer leak because the lid destroys any seal that is attached to it. I’ve resigned myself to needing a waterproof container for anything I store there, but I still have to deal with the water that has leaked in. My solution was to attach a small electric bilgepump (with a hose) to a handle.

I used 1/8" by 1" aluminum bar stock, which is easy to


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Charge It Up

by Nigel Calder, Posted August 18, 2008
Gray R. Riddick of Chocowinity, North Carolina, asks:

"I know you have discussed using a multimeter to check a battery’s voltage. What does the reading mean? Will it tell me whether or not a battery should be replaced? My two house batteries, for example, read 12.82 and 12.36 volts."

Nigel Calder replies:

A specific voltage reading won’t tell


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Big piece or small?

by Don Casey, Posted July 22, 2008
"Many books on fiberglass repair, including one of yours, have drawings showing how to lay up cloth and mat over a tapered repair area, like a hole. The repair always begins with a small piece of cloth at the bottom, and as the layup continues, the pieces get larger. This makes sense to me, because a layup schedule doesn’t depend on just one interface bonding. Going from smaller to larger would
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