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  • FIRST POST
    • 11fernsroad
    • By 11fernsroad 10th Jun 17, 11:15 PM
    • 98Posts
    • 1Thanks
    11fernsroad
    pump to store water
    • #1
    • 10th Jun 17, 11:15 PM
    pump to store water 10th Jun 17 at 11:15 PM
    Hello
    Would like to pump water from a small stream to a water butt,for irrigating garden.
    Need to pump water to a height of maximum 4 metre(top of water butt).
    What specifics should I look at the pump to achieve above aim.
    Can it be run with solar energy(I have seen few garden pond features with solar powered fountains)
Page 1
    • Davesnave
    • By Davesnave 11th Jun 17, 9:55 AM
    • 22,586 Posts
    • 87,421 Thanks
    Davesnave
    • #2
    • 11th Jun 17, 9:55 AM
    • #2
    • 11th Jun 17, 9:55 AM
    You will need a pump that will lift water at least 5m, and preferably a little more.

    I stand to be corrected, but I think that would be a big ask for a consumer-type solar powered pump. You would probably be cheaper going for a mains powered unit, remembering the rules for outdoor electricity supply.

    A stream will be full of things likely to block the inlet filter, so something you can switch on, get the job done quickly and switch off again is probably best anyway.
    'A society grows great when old men plant trees whose shade they'll never sit in.'
    • 11fernsroad
    • By 11fernsroad 11th Jun 17, 1:06 PM
    • 98 Posts
    • 1 Thanks
    11fernsroad
    • #3
    • 11th Jun 17, 1:06 PM
    • #3
    • 11th Jun 17, 1:06 PM
    You will need a pump that will lift water at least 5m, and preferably a little more.

    I stand to be corrected, but I think that would be a big ask for a consumer-type solar powered pump. You would probably be cheaper going for a mains powered unit, remembering the rules for outdoor electricity supply.

    A stream will be full of things likely to block the inlet filter, so something you can switch on, get the job done quickly and switch off again is probably best anyway.
    Originally posted by Davesnave
    Many Thanks
    to get 4-5 metre water lift,what would be the power/watt needed for such a pump?
    • I have spoken
    • By I have spoken 11th Jun 17, 1:37 PM
    • 4,817 Posts
    • 9,526 Thanks
    I have spoken
    • #4
    • 11th Jun 17, 1:37 PM
    • #4
    • 11th Jun 17, 1:37 PM
    Something like this - https://www.machinemart.co.uk/p/051016044/

    So long as you land ownership includes the stream, you can take 20 cubic meters of water per day without a license.
    Last edited by I have spoken; 11-06-2017 at 1:40 PM.
    • DaftyDuck
    • By DaftyDuck 11th Jun 17, 4:42 PM
    • 3,614 Posts
    • 7,212 Thanks
    DaftyDuck
    • #5
    • 11th Jun 17, 4:42 PM
    • #5
    • 11th Jun 17, 4:42 PM
    Watching with some interest, as I intend to do the same.

    Remember that the lift doesn't allow for the increased resistance of a long horizontal pipe as well. I know you can run these pumps from inside a large bucket, which you sink. Helps avoid large debris.

    There are solar kits on ebay, but I haven't checked them out, and agree they'd probably lack the needed power.
    • jack_pott
    • By jack_pott 11th Jun 17, 4:52 PM
    • 3,759 Posts
    • 4,788 Thanks
    jack_pott
    • #6
    • 11th Jun 17, 4:52 PM
    • #6
    • 11th Jun 17, 4:52 PM
    Many Thanks
    to get 4-5 metre water lift,what would be the power/watt needed for such a pump?
    Originally posted by 11fernsroad
    What flow rate do you need? Power is proportional to pressure times flow rate, so you can get a 5 metre head from any size pump if the flow rate is low enough.
    • Justagardener
    • By Justagardener 11th Jun 17, 8:39 PM
    • 84 Posts
    • 76 Thanks
    Justagardener
    • #7
    • 11th Jun 17, 8:39 PM
    • #7
    • 11th Jun 17, 8:39 PM
    Have a look at bilge pumps...they are made for boats/yachts so can cope with the height required and small debris and will run off an old car battery if electricity feed is a problem. I have used Rule bilge pumps in the past.
    • no1catman
    • By no1catman 14th Jun 17, 9:04 PM
    • 2,490 Posts
    • 1,901 Thanks
    no1catman
    • #8
    • 14th Jun 17, 9:04 PM
    • #8
    • 14th Jun 17, 9:04 PM
    How far away is the stream from the butt? Does the butt, have any other source of water supply? How deep is the stream?

    Just wonder, why not use a bucket?

    How many butts do you have? I have four at the back of the garage. The garage drain-pipe feeds butt one, which overflows into butt two, when both full, transfer - by bucket, to butt four, which overflows into butt three.
    Currently, butt three & four are full, with one & two half full.
    I used to work for Tesco - now retired - speciality Clubcard
    • Geoff1963
    • By Geoff1963 15th Jun 17, 12:37 AM
    • 566 Posts
    • 344 Thanks
    Geoff1963
    • #9
    • 15th Jun 17, 12:37 AM
    • #9
    • 15th Jun 17, 12:37 AM
    Camping shops have pumps with the right sort of head, and if it's a bit weedy, hang a bucket at the half-way height and use two pumps.
    If you put in a 1-way valve, you can dip the delivery tube to the bottom of the butt, rather than just poking over the brim ; and the head will then be about a metre less when the butt is empty.
    What sort of rate are you wanting ? You'll need a level switch to run it only at intervals, and a battery so that the solar power only needs to be the average.

    Instead of solar, how about a wind-driven pump ? Either way, why not use a long length of tubing to make an Archimedes screw, then you can vary the rate, and hence run it continuously.
    hxxp://www.primaryscience.ie/media/pdfs/col/engineers_ireland_design_and_make_a_water_pump.pdf

    If the stream is flowing, why not power the pump from a waterwheel ?
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