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Re: Water Butt Solar Pump



You may need more head than you think...
When the lower tank is nearly empty and the upper tank is nearly full, this
could add another 2+ metres of head alone...

Bilge pumps are very robust and pretty cheap off Ebay, but check the max.
head figures, are some of them can barely pump one metre...

Lee


On Mon, Jun 9, 2008 at 10:47 PM, Paul Bendall <paul@xxxxxxx>
wrote:

>   Evening all,
>
> Looking for advice with regard to a continuing irrigation project.
> Currently I have a 600L water tank that collects water from one-half
> of the roof. I want to use this more effectively and possibly add
> another two small water butts at the top of the garden to drive an
> irrigation system.
>
> From the current water butt to the top of the garden is around an
> uphill slop of 1m - 1.5m. Then from the top of the garden to the
> front of the house is maybe a 2m fall.
>
> Therefore, I am thinking of getting a solar powered pump to take
> water from the large butt up to the small butts. No real head because
> the top of the large butt would probably be around the same height as
> the top of the small butts.
>
> First point what sort of pump would be best for this task, maybe a
> 12v bilge pump?
>
> Then from the top of the garden the water will have three funtions:
> 1. Feed a leaky hose irrigation system around a hedge and flower bed,
> leaky hose needs high volume low pressure so possibly will get away
> with just gravity?
> 2. Pop up sprinklers for the lawn, I assume these are going to need
> high pressure lower volume?
> 3. Run pipe to the front of the house to use as a source for water
> pressure cleaner and garden tap for miscellanous tasks. I guess this
> needs to be high pressure, high volume and achieve close to mains
> pressure at 1.5bar?
>
> For point 2 and 3 I assume I may need a second pump, but again what
> type? I would like to use a solar panel to a battery array to power
> the pump.
>
> Control for the setup would be via a solenoid array (three or four)
> and controlled by Idratek.
>
> Cheers
>
> Paul
>
>
>


[Non-text portions of this message have been removed]


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