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Ed's Boat Tips

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Ed's Boat Tips by Ed Sherman

November 27, 2012

New Wire Sizer Application for iPad

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   Wire Sizer screen is simple to work with. Just drag a finger up or down on the iPad touch screen to change the parameters in each field.  I found myself searching my way through the Apple iTunes store over the long Thanksgiving weekend and tripped over a really useful application for us boat wiring junkies. Simply titled Wire Sizer, this ap is a joy to use! Although only useful for DC wiring applications it does a great job. It has an initial set-up for measurement units and is basically ...
November 16, 2012

More On Lower Amperage Use

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  One of our readers, Rick, sent in an interesting query regarding last week's post on The Appetite for Amps Goes Down. To quote Rick: "Good article Ed. One thing I'd like to know about these units too is the start-up current they draw. I'm likely to be using a Honda EU2000i portable generator and would like to size the AC accordingly. I do believe there are "soft start" gadgets to get these types of loads up and running without tripping the breaker on the genny". Well to Rick's question ...
November 6, 2012

The Appetite for Amps Goes Down

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   Cruisair units like this actually use less power today than ten years ago, in effect they are greener units, not just because of the new refrigerants used, but also because they use less electricity  For some years now I've written that it seems like the average boat owner's appetite for amps is insatiable. I'm referring to all of the electrical and electronic toys and gadgets that we seemingly can't live without. But, after thinking about it for a bit, I began to question myself on this ...
October 30, 2012

Hurricane Sandy, Rhode Island Impact

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Well she's come and gone. In general I think the damage here in RI was minimal compared to some of our neighboring states, but we certainly did not get out of this one totally unscathed. I saw one boat on the beach this morning in my hometown of Wickford, RI and the poor fellow that owns this sailboat at Brewer's Cowesett Marina, where my office is located, had to face this little mess this morning....  
October 22, 2012

Rapid Anode Consumption, Blistering Bottom Paint

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Rapid Anode Consumption, Bottom Paint Blistering and More! Yikes! This series of problems was brought to us from one of our readers last week. We need to share this one because there is a lot going on here, and power or sail, some of the tips here can help you along the way if some of these symptoms crop up.

October 15, 2012

Heat Shrink the Circle Clips

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              First, sorry to all for my absence during the last two weeks. I've been totally engrossed in several of my favorite things, IBEX, the premier industry show here in the US for all things boats, and the Annapolis Boat Show, and my involvement with the Cruising World Magazine Boat of The Year program. I got to sail 24 different boats as a part of that little gig, but perhaps more important to you all are the hundreds of photos that I took of the "innards" of these boats. These as ...
September 28, 2012

Amp Clamp Mystery

by Ed Sherman
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How to orient a DC amp clamp on a conductor (a skill that could have some real ramifications on your diagnostic capabilities if you get it wrong).

September 17, 2012

Boiling Your Batteries?

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Last week while I was traveling Leo wrote in with a good question about his boat's battery. His query came from a statement I made some ten years ago when I wrote the updated edition of the book shown here: By the way, you can get your own copy of this book or any of my books by clicking on the Amazon.com link at the lower left side of this page. Once at the Amazon site, click on Minor Brotherton's name to get this book. Ok, so now that I've made the shameless plug to try and sell some more ...
September 7, 2012

Protecting Bilge Wiring From Corrosion

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Received a question from a reader the other day regarding wiring connections found in the bilge area of their new boat. Simple question, how do I minimize the risk of the wiring connections shown in the photo I sent in to you from getting all corroded over time? The stud you see is a keel bolt on my boat, so the wiring is sitting in the bilge. Bilge wiring such as you see here is vulnerable to corrosion This is a good question and one we receive fairly often. I've tried a lot of products ...
August 30, 2012

To Bond or Not to Bond, Part 2

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Typical hull potential test set-up We received an interesting comment regarding our earlier post, "To Bond or not to Bond". It's worth sharing so that people will understand some of the dynamics involved with that case. So, here is the comment: Ed- "The comment I have on this situation is that given the original installation was done poorly, what is to guarantee the addition of a bonding cable would have been done any better? Regardless of how it was installed (bonding or no bonding), for ...
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