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07 March 2012, 22:55
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#1
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Member
Country: UK - England
Town: Nantwich
Boat name: TBC
Make: TBC
Length: under 3m
Engine: TBC
Join Date: Dec 2011
Posts: 49
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12V power inverter
Hi all - not stictly for on board use but I need a 12v power inverter to power a laptop from my car while out and about on the water. I may even use it to power the lappy while afloat if I get brave.. i would like to spend as little as possible but dont want to smoke anything in the process. Any ideas about resonable ones for this purpose? 
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07 March 2012, 22:58
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#2
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Member
Country: UK - Scotland
Town: Central Belt of Scotland
Boat name: Puddleduck III
Make: Bombard
Length: 5m +
Engine: 50 HP
Join Date: Mar 2009
Posts: 2,066
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you only need 150 Watt at most ...
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SPRmarine / SPRtraining
RYA Training Courses & Safety Equipment Sales
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07 March 2012, 23:05
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#3
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Member
Country: UK - England
Town: Nantwich
Boat name: TBC
Make: TBC
Length: under 3m
Engine: TBC
Join Date: Dec 2011
Posts: 49
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Quote:
Originally Posted by SPR
you only need 150 Watt at most ...
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Thanks spr all of the wattages were spinning my head. that has narrowed it down massively thanks for the reply 
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07 March 2012, 23:09
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#4
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Member
Country: UK - Scotland
Town: Central Belt of Scotland
Boat name: Puddleduck III
Make: Bombard
Length: 5m +
Engine: 50 HP
Join Date: Mar 2009
Posts: 2,066
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btw not brave enough to use 240 volts on a open rib at sea!
S.
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SPRmarine / SPRtraining
RYA Training Courses & Safety Equipment Sales
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07 March 2012, 23:11
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#5
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Member
Country: UK - England
Town: Nantwich
Boat name: TBC
Make: TBC
Length: under 3m
Engine: TBC
Join Date: Dec 2011
Posts: 49
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Quote:
Originally Posted by SPR
btw not brave enough to use 240 volts on a open rib at sea!
S.
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Well not quite at sea it will be in small inland lakes of around a few acres max but still probably wont try it
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08 March 2012, 00:05
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#6
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Member
Country: UK - Wales
Town: West Wales
Make: Vipermax 5.8, SR4.7
Length: 5m +
Engine: 150 Opti, F50EFi
Join Date: Sep 2005
Posts: 6,299
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Why don't you get a 12v DC-DC power adaptor instead? That way, you can go from 12v to 18v, or whatever voltage your laptop needs, rather than 12v - 240v - 18v and do so with only one appliance.
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08 March 2012, 00:21
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#7
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Member
Country: UK - Scotland
Town: Central Belt of Scotland
Boat name: Puddleduck III
Make: Bombard
Length: 5m +
Engine: 50 HP
Join Date: Mar 2009
Posts: 2,066
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Quote:
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Originally Posted by Downhilldai
Why don't you get a 12v DC-DC power adaptor instead? That way, you can go from 12v to 18v, or whatever voltage your laptop needs, rather than 12v - 240v - 18v and do so with only one appliance.
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yes - saves the power wastage , some of these are more expensive than ac inverting though...
S.
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SPRmarine / SPRtraining
RYA Training Courses & Safety Equipment Sales
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08 March 2012, 00:46
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#8
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Member
Country: UK - Wales
Town: West Wales
Make: Vipermax 5.8, SR4.7
Length: 5m +
Engine: 150 Opti, F50EFi
Join Date: Sep 2005
Posts: 6,299
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I bought one for less than £10 and it's great.
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08 March 2012, 08:05
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#9
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Member
Country: UK - Wales
Town: N. Pembrokeshire
Boat name: Various
Make: RIBs & Hovercraft
Length: 9m +
Engine: Outboards
MMSI: Various
Join Date: May 2009
Posts: 1,358
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Quote:
Originally Posted by Downhilldai
Why don't you get a 12v DC-DC power adaptor instead? That way, you can go from 12v to 18v, or whatever voltage your laptop needs, rather than 12v - 240v - 18v and do so with only one appliance.
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08 March 2012, 09:22
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#10
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Member
Country: UK - England
Town: Nantwich
Boat name: TBC
Make: TBC
Length: under 3m
Engine: TBC
Join Date: Dec 2011
Posts: 49
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Great idea and something i didnt think of. But that's what forums are for eh? I cant see me needing to run anything other than the laptop so seems the best solution.
Thanks for all of the replies folks
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08 March 2012, 11:00
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#11
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Member
Country: UK - England
Town: South Yorks
Boat name: Black Pig
Make: Ribcraft
Length: 5m +
Engine: DF140a
MMSI: 235111389
Join Date: Feb 2008
Posts: 12,166
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I bought one of these to keep in the car, cost about 30 quid & works a treat.
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Rule#2: Never argue with an idiot. He'll drag you down to his level & then beat you with experience.
Rule#3: Tha' can't educate pork.
Rule#4: Don't feed the troll
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08 March 2012, 11:50
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#12
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Member
Country: UK - England
Town: Warrington/Anglesey
Make: Menai 480SR.
Length: 4m +
Engine: Tohatsoooooooo 70hp
Join Date: Sep 2005
Posts: 665
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Maplins have a one day offer on TODAY 12v 150W inverter £17.99, be quick
Maplin Electronics : Sale Now On
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