Boatworks Most Commented

Wet and Worried

by Gordon West, Posted June 20, 2009
J. Hillier of Sausalito, California, asks:

"I bought what I thought was a waterproof handheld VHF radio, but when I dropped it in some water in the bottom of my inflatable it died. It was only in the water for a few seconds before I picked it up, and even though it did work for about two hours it went dead after that. What do those specifications really mean?"


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Keep it simple

by Sail Staff, Posted June 17, 2009
The decks on Horizon, our Hans Christian 38, are 20 years old and have seen the full spectrum of weather conditions—cold and rain for weeks on end in Alaska and constant sun and heat in the tropics. No matter where we are, our maintenance strategy is the same: keep it simple and keep it silver. As with anything boat-related, proper maintenance now is always much easier than an extensive
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The Price of Power

by Nigel Calder, Posted June 17, 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 desperate need of
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Radar Revolution

by Tim Bartlett, Posted June 15, 2009
For the past 60 years or so the basic principles of marine radar have not changed. A radar transmits very short pulses of microwave energy and receives echoes reflected back from solid objects. The direction of an object is indicated by the direction from which the echo returns, and its range is determined by the time interval between when the pulse was transmitted and when
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Clues for Clews

by Win Fowler, Posted June 14, 2009

Jim Ballantine of Charleston, S. Carolina, asks:

 

’ve installed new adjustable cars for my genoa aboard my 39-foot sloop. But now that I have them, I’m not sure what adjustments I should make to the cars when sailing in different wind conditions. I do know that whenever I reef down the headsail I should move the cars forward. But I’m not sure what other adjustments to make


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