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Go Back   SailNet Community > On Board > Gear & Maintenance
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  #1  
Old 08-20-2006
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inverters ??

The Queastion is "Do I need an inverter"? I can only see the use, being to run a TV/dvd. Is it just another toy or can it be indispensable.
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Old 08-20-2006
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I use mine to run my soldering iron. Yes I know people like to crimp, but If I can I like to solder the end and then crimp!
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Old 08-20-2006
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An inverter is necessary to run anything requiring 120v ac. I use mine to run my laptop as I am away from shore power for weeks at a time it is indispensible. There is just so much more you can run when you have 120v ac available but power consumption can be prohibitive.
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Old 08-20-2006
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If you have few electrical needs, there are 12 volt-powered coffee makers and other appliances, as well as adapters for laptops (cigarette lighter plugs), even microwaves, TV's, and coolers. They tend to be more $$$ than their 110AC cousins. It's all in what you want to do, and have need for.
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Old 08-20-2006
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Handy, yes. Even for routine things like running a Dremel tool.

But portable TVs, portable DVD players, laptops, all can be run directly from 12V dc-to-dc converters, which are more efficient than using an outboard inverter to make 120VAC, which is only dropped back to 12VDC inside the electronics.

It is easy to wind up figuring that you need a 1000W inverter (after the Dremel comes the power saw) and while you're at it, a true sine wave design so it keeps electronics happy...and then, inverters aren't so cheap anymore.
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Old 08-20-2006
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It depends on what you're doing. If you require the use of AC powered equipment, an inverter is required. Otherwise it is a bit of a toy—not a necessity.
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Old 08-20-2006
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And you don't need to install a huge 750 watt inverter. A simple, cheap cig lighter type will do. 50 to 100 watt will charge your handheld VHF or you phone and run your computer.
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Old 08-21-2006
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Wow!!! I must be the wacko in this collection. I got a 3000watt ac-dc inverter 750Amp hr battery bank, With that run my aft AC, Tv and Dvd and what ever else the kids HAVE to bring onboard to play with. Not to mention my coffe maker.

E.
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Old 08-21-2006
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Wink Oh yeah!

Just to avoid the hassle of heating water for your instant Coffee or Tea in the morning, popping a teabag in a cup of water and nuking it in a small microwave makes having that inverter worthwhile. I lucked out by finding a 3000 watt model on the clearance table at Home Depot for a hundred bucks. True it's not a marine model, but I trailer my boat and it doesn't spend any time in a salt water environment than when I'm actually on the water. I do like my creature comforts like watching a movie on the laptop and music on the stereo. These needs are supplemented by a second deep cycle battery. They are fully charged at the beginning of each outing and aided by a very flexible bank of solar cells while under way. I love sailing Big on a Small boat.

Bill on Biscayne Bay
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