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06-10-2012, 18:50
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#1
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Registered User
Join Date: Sep 2012
Location: Wa, Vancouver
Boat: Wanted 45' Hunter center cockpit
Posts: 60
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How can i have constant electricity on a boat
I am a future live aboard and would like to know how to get constant power using batterys turbine hydro power etc
What are the best batterys?
BTW: 12 volt
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06-10-2012, 19:06
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#2
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Moderator
Join Date: Jan 2012
Location: Northern NSW.Australia
Boat: Sunmaid 20, John Welsford Navigator
Posts: 881
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Re: How can i have constant electricity on a boat
An aquarium full of electric eels could be a go.
Coops.
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"A whirlwind of idle time and mischief"
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06-10-2012, 19:15
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#3
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Moderator
Join Date: Nov 2008
Location: Underway, Maine - Bahamas
Boat: Morgan OI 413 1973 - Aythya
Posts: 2,654
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Re: How can i have constant electricity on a boat
Our solution is variety and options. This includes shore power, 7KW diesel generator, solar photovoltaic array, wind generator, large AGM battery bank, and small inverter. In addition we are misers with use of 12VDC,- LED lights, efficient refrig/freezer, etc. I haven't seen any effective "Hydro power" as you mention. Multiple sources seems to be most effective
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Take care and joy, Aythya crew
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06-10-2012, 19:16
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#4
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Registered User
Join Date: Mar 2012
Location: Texas
Boat: 22' Westerly Nomad
Posts: 346
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Re: How can i have constant electricity on a boat
You should have plenty of room on your new 45' Hunter for a small nuclear reactor. 
All trolls are nuclear scientists, right?
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Dean - 22' Westerly Nomad
A 14-foot mini-cruiser is minimalist. A 19ft is comfortable, and anything much larger than a 25 borders on ostentatious.
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06-10-2012, 19:24
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#5
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Registered User
Join Date: Aug 2010
Location: VA, USA
Boat: S2-9.2 CC & IP40
Posts: 91
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Re: How can i have constant electricity on a boat
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06-10-2012, 19:33
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#6
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Senior Cruiser
Join Date: May 2008
Location: cruising SW Pacific
Boat: Jon Sayer 1-off 46 ft fract rig sloop strip plank in W Red Cedar
Posts: 3,561
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Re: How can i have constant electricity on a boat
A VERY long shore power lead is a good idea, too
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Jim and Ann
s/v Insatiable II, boat in Hobart, Tasmania, bodies in the States for refitting
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06-10-2012, 19:39
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#7
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Registered User
Join Date: Mar 2010
Location: in a box in cornwall
Boat: 63 custom alloy sloop,macwester26,signet20,prout snowgoose 37 elite catamaran!
Posts: 5,206
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Re: How can i have constant electricity on a boat
Quote:
Originally Posted by Jim Cate
A VERY long shore power lead is a good idea, too
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the trick is never to leave the dock it saves a fortune on cable
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06-10-2012, 19:42
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#8
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Registered User
Join Date: Oct 2012
Location: Canada
Boat: Sinek, Pilothouse, 43ft
Posts: 44
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We have a couple of large solar panels, a wind generator, and the power from our alternator and we are always off the grid. We have four six volt batteries that are staying well charged. We are finding this more than sufficient as full time live aboard's.
Cheers, Kara
www.maclas.wordpress.com
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06-10-2012, 19:42
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#9
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Registered User
Join Date: Mar 2012
Location: Texas
Boat: 22' Westerly Nomad
Posts: 346
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Re: How can i have constant electricity on a boat
Quote:
Originally Posted by atoll
the trick is never to leave the dock it saves a fortune on cable |
But you can't do a double circumnavigation that way. He's going to need a good 60,000 feet of cord!
He's got to keep that aquarium running!
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Dean - 22' Westerly Nomad
A 14-foot mini-cruiser is minimalist. A 19ft is comfortable, and anything much larger than a 25 borders on ostentatious.
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06-10-2012, 19:52
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#10
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Registered User
Join Date: Sep 2012
Location: Australia
Boat: Franz Maas 37
Posts: 223
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Re: How can i have constant electricity on a boat
Use a battery to power a battery charger which can then charge the battery. Simple really!
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06-10-2012, 20:44
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#11
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Registered User
Join Date: Nov 2011
Location: Montegut LA.
Boat: Now we need to get her to Louisiana !! she's ours
Posts: 2,530
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Re: How can i have constant electricity on a boat
Well for heat ya could rub two sticks together! and for extra power ya could use a old world war 2 hand cranked telephone hooked to the batterys ! Ya could crank it while your laying on the bunk in your hunter !! Thats when your paying guests are sleeping of course !!
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Bob and Connie 
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06-10-2012, 20:50
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#12
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Registered User
Join Date: Sep 2011
Location: Ituna, SK boat in Sointula, BC
Boat: Brayndlmeyer 40 custom
Posts: 76
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You should have plenty of room on your new 45' Hunter for a small nuclear reactor.
Lmao I was gonna bring up nuclear reactors.
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06-10-2012, 21:56
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#13
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Registered User
Join Date: Dec 2007
Posts: 972
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Re: How can i have constant electricity on a boat
Quote:
Originally Posted by Snkr
You should have plenty of room on your new 45' Hunter for a small nuclear reactor.
Lmao I was gonna bring up nuclear reactors.
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Can't you guys be serious for one dang minute!? Nuclear Reactors are a non-starter. I mean it was a reasonable idea until stupid hollywood came out with "Manhattan project" and ruined it for everybody.
The obvious solution is lasers. big lasers. And satellites.
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06-10-2012, 22:18
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#14
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Registered User
Join Date: Feb 2011
Location: Send back to the UK for my sins... So back together as a family in Aberdeen, Scotland - "Sweet" is still in the Florida Keys for now
Boat: Westerly W-35
Posts: 461
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Re: How can i have constant electricity on a boat
This problem has a simple solution.
Instead of using antifoul on your bottom have eight copper/iron cell pairs line it, they are immersed in an electrolyte so they will each produce 1.2 to 2 volts. Wire them together in series and you have a twelve+ volt battery, voila! Just keep away from lakes...
To supplement this you could also wire up a lightning rod to the system and go sailing in the Gulf of Mexico.
Have fun.
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"All I need is enough room to swing a cat and I can fix this problem... Honest!"
Paul & Mimi
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07-10-2012, 00:00
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#15
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Registered User
Join Date: Jan 2011
Posts: 12
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I'm considering these cost effective lithium ion batteries together with a a few solar panels....
Very informative:
http://psyberspace.com.au/lithium.html
Any views on the attached?
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