## Tank Math: Full or Empty?

by Steve Henkind, Posted February 21, 2008

In the "Know-How" section of the March issue, Steven J. Henkind wrote about how fuel gauges operate and how you can prevent fuel-gauge errors. Here's the mathematical formula he discussed in the story.

You can also calculate the amount of fuel in a tank mathematically. For a rectangular tank, the calculation is easy: the overall volume of the tank = Length x Width x Height; if the

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## BoatWorks: Outboard Engine Rebuild

by Sail Staff, Posted January 15, 2008
Seized motor? Don't be so quick to junk it. In the Fall 2007 BoatWorks, editors Dave Baldwin and Mark Corke brought a dead outboard back to life. Their mission was simple: Take the engine apart, diagnose its problem, and get it running again—and hopefully have a little fun in the process. The entire project took two days and the biggest problem they encountered was finding enough space in the
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## Keeping Fresh-water Tanks Fresh

by Sail Staff, Posted November 16, 2007
There's nothing quite as revolting as tainted drinking water. Here are a few tips to keep the water in your tanks tasting sweet.

› At least once a year, drain the tanks completely and pour in half a cup ofClorox bleach for every 20 gallons of each tank’s capacity. Then refill thetanks, pump them dry, and refill them with fresh water to which you have added alittle lemon juice

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## Keeping Connected: Communications for Cruisers

by Sail Staff, Posted November 13, 2007
The rapid evolution of communications technology in the last decade has meant that more of us are able to keep in range of a regular cell phone. We asked many of the entrants in the 2006 ARC transatlantic rally how they planned to stay in contact with those back home and received a variety of answers. Here we describe what systems were chosen and why, and explain some of the
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## BoatWorks Tips: Repairing Antiskid

by Sail Staff, Posted November 8, 2007
If there was ever a product that sailors should know about, Flex Mold is it—and no, I don’t have a connection with the company.

No matter how careful you are, it's inevitable that the deck of your boat is vulnerable to wear and tear. Winches get dropped, gear gets added, and the antiskid starts to look less than brand-new. Of course, you can always paint the deck, but in my case the

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