12V Electric Dredge???
Last Post 11 Feb 2018 06:44 PM by Thomas Wentling. 4 Replies.
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Keith RessUser is Offline
Greenhorn
Greenhorn
Posts:18



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29 Mar 2016 09:14 AM

    Has any one tried to make one of the 12V dredges you see on Youtube?  if so how well did it work??  thinking of trying one with a Johnson 4000 GPH pump with a 2 inch nozzle. 

    BRIAN HERBSTREITUser is Offline
    Greenhorn
    Greenhorn
    Posts:21



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    06 Jun 2016 07:50 PM
    We've been working on one for a while now with very good results. The problem is that the average bilge pump is only made to run for about 20 minutes. So we went out and found 12 volt pumps that have actual bearings, not bushings. Then we run twin pumps to get the proper pressure.

    It works very well in places where you can't use gas powered equipment.
    At Gold Rush Guys we carry every thing you need for gold prospecting and metal detecting, whether it's your hobby or your business.
    GARY WATTSUser is Offline
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    Greenhorn
    Posts:12



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    20 Jun 2016 02:55 PM

    I made one after some trial and error got it to work well. of course dredging is currently illegal here in California and we would NEVER and I mean NEVER do anything like that....


    Find a couple videos here, hope that helps. https://www.youtube.com/channel/UCA6KMETirKJanbEKYPURiXg
    Robert DeMossUser is Offline
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    13 Jan 2018 02:13 PM
    My buddy does the electric dredge and does quite well. he bought a nozzle but I don't know how he gets the suction from the nozzle to the header box. I know he uses one or two of his 2,000 gph pumps.
    Thomas WentlingUser is Offline
    Sluicer
    Sluicer
    Posts:64



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    11 Feb 2018 06:44 PM
    I bought a 3700 gpm 12v pump. I saw where the guy on youtube put a funnel in the clean out pipe to create a jet stream for pressure. My understanding the pump itself does not push enough pressure.
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