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Water pump...Any ideas???

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  • #1

    Water pump...Any ideas???

    Which size pump would I need to lift an approx. 12-15 lb. glass globe about .25-.50" off its cradle atop a 30" tall fountain? I bought a mini-606 (gph 160 roughly with a 3.8' head) which kinda works, but it isn't enough to keep the globe slightly spinning like it should.

    Any ideas ya'll???
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  • #2
    Mag 3 ??

    Or one of the smaller Eheim's like a 1048 (159gph) or 1250 (317gph)

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    • #3
      Harbor Freight | Whatever You Do, Do It For Less
      http://www.harborfreight.com/cpi/ctaf/displayitem.taf?Itemnumber=41287
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      Harbor Freight | Whatever You Do, Do It For Less
      http://www.harborfreight.com/cpi/ctaf/displayitem.taf?Itemnumber=98909
      Harbor Freight buys their top quality tools from the same factories that supply our competitors. We cut out the middleman and pass the savings to you!
      'Dear Lord,' the minister began, with arms extended toward heaven and a rapturous look on his upturned face. 'Without you, we are but dust ...'
      He would have continued but at that moment my very obedient daughter who was listening leaned over to me and asked quite audibly in her shrill little four-year old girl voice, 'Mom, what is butt dust?'

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      • #4
        Actually it is the pressure (force) that will govern.
        One ft of head = about 1/2 psi. So if your globe sits on a 3" opening , you have about 7 square inches of area. So you need 15#(weight of sphere) divided by 7 sq-in , = 2psi (roughly), or a pump with more than 4 ft of head. Now to reveal the secret method of engineering; 4' head seems a little low , so double it , look for 8' of head pump(for my assumed 3" opening.)

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