Small solution for water circulation

Discussion in 'Power cuts' started by robertkukla, 23 Nov 2010.

  1. robertkukla

    robertkukla

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    When i got home yesterday we had no power , so in a rush i went to the garage to see what i could put together for some circulation, i found 4 windscreen sprayer motors from a car, i cleaned and joined them and connected them to a car battery, and let them hang in the tank to get some movement in the water, i was surprised how much current these little motors made, i ran them for about 3 hours with no problems.
    As soon as i do a DIY on this i will post some pictures.
     
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  3. RiaanP

    RiaanP Moderator

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    For emergency it should be 100%, clever thinking.

    Just do not leave the motors with saltwater in them. Rinse after use with RO to prevent rust forming inside.
     
  4. robertkukla

    robertkukla Thread Starter

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    i have a broken motor and i opened it to have a look the thing is completely plastic , but i have rinsed them out with ro
     
  5. RiaanP

    RiaanP Moderator

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    cool,
    what amp do these motors pull? Would be interesting to know how long you can run them.

    Just be carefull not to drain the normal car battery below 80%
     
  6. robertkukla

    robertkukla Thread Starter

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    The Hyundai one i got has continuous draw is 2.7 amps.
     
  7. robertkukla

    robertkukla Thread Starter

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    some more specs on the pump i used, 2.9 bar outlet pressure at a flow rate of 180ml per minute.
     
  8. RiaanP

    RiaanP Moderator

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    Anyone with less than 1.9?

    Reason I ask is that I use a boat bilge pump for circulation if the power goes out. It pushes 1900L/h at 1.9A. But it is too strong, it drains myu sump and my overflow cannot handle that extra flow. Blame it on slimline overflows that depends on ballvalves.
     
  9. Manic

    Manic Moderator

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    My slim line overflow can handle 4800L/h. That depends on my ball valve settings though.
     
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