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Old 31 October 2007, 17:09   #1
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Solar panel

I am thinking of getting a removable solar panel to trickle charge the battery.

Has anyone got one or can recommend a marinised one?
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Old 31 October 2007, 17:43   #2
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p64 PBO issue491 november 2007 has a half page article on "sleeping batteries" and charging by solar panel-might be of interest.
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Old 31 October 2007, 17:51   #3
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Quote:
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p64 PBO issue491 november 2007 has a half page article on "sleeping batteries" and charging by solar panel-might be of interest.
Thanks. I'll check it out.

I have just bought one of these:

http://www.tantronics.co.uk/acatalog...lar_se400.html
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Old 31 October 2007, 19:03   #4
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just pick up the one maplins do, cheap and very effective. 3 years trouble free.
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Old 01 November 2007, 15:23   #5
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just pick up the one maplins do, cheap and very effective. 3 years trouble free.
The small Maplin one is on offer at the moment - 9.99
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Old 01 November 2007, 15:45   #6
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I just bought one because it seemed like a bargain - don't know why though as I don't use the bigger 5W one I bought last year.

Far better would be a Forgen wind turbine on the A frame. That is the vertical type which is less efficient but far more usable than the normal kind. The advantage of wind power is that when you need the current for pumping water from your bilges the rain is usually accompanied by plenty of wind - especially at night.

Of course the only time a solar panel is of any use is in hot weather when you don't really need all the power!!!

Trouble is the Forgen is over 300 - anyone know of any used ones???

http://www.seateach.com/Forgen.asp
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Old 01 November 2007, 15:46   #7
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Do you think a 6W solar panel with power a Rule 500LPH pump?
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Old 01 November 2007, 15:52   #8
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Of course the only time a solar panel is of any use is in hot weather when you don't really need all the power!!!

Trouble is the Forgen is over 300 - anyone know of any used ones???
I think I am right in saying that today's panels will work okay in simple daylight and the lower the temparture of the actual panel itself, the better they work.

Just what I have read.....
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Old 01 November 2007, 15:58   #9
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No chance - but if you have a cover over your boat it will be fine. Failing that it will be better than nothing. It all depends on how much water you need to pump. My boat has a huge deck area and no cover - we also happen to live in the wettest city in the UK. In 1 day my boat can collect 1,000L - that's a massive amount. Of course when it's that king of weather there is no sun at all.
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Old 01 November 2007, 16:09   #10
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To give you an idea of how weak our winter sun is here is a piccy of the solar panels on Tesco's roof - today they were generating 300W - yes that's right - about 3p per hour!!! Just look at the surface area. They are 110m long by 10m wide - that's 1,100 sq metres. That's about the same as having 12,000 of yours on there - for 300W!!!

Of course they had a huge grant to install them..........
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