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Thread: Use of two 5" powerjets in-line for maximum lift.

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  1. #1

    Feb 2019
    6
    4 times
    All Types Of Treasure Hunting

    Use of two 5" powerjets in-line for maximum lift.

    Hi is it over-kill to install 2 separate 5" powerjets on the suction hose for maximum lift..?
    Would it be possible even to have 2 separate 5" dual powerjets and then plug the unused jetlog holes when not in use...?
    I am expecting to use honda gx390 with keene PHP500 pump housing..

    Many Thanks
    winners58 likes this.

  2. #2

    May 2005
    St. Louis, missouri
    5,810
    4407 times
    Yes , normally you don't run full throttle anyway!

  3. #3
    us
    Mine President, XPBC, GIH, stamp mill operator, snuffer bottle owner.

    Dec 2013
    Arcata, California
    Fisher 1212-x Fisher Gold Bug 2 Whites 4900/SP3 Rocker boxes, Keene sluices, Bazooka sluice, 2.5", 4" lowbankers, highbankers. Witch Sticks.
    652
    733 times
    Prospecting
    How deep are you trying to go?
    russau likes this.

  4. #4

    May 2005
    St. Louis, missouri
    5,810
    4407 times
    Quote Originally Posted by N-Lionberger View Post
    How deep are you trying to go?
    Yup ! that's the next question I was going to ask you ! For really deep holes you might need the extra vacuum to get all the material up the hose .

  5. #5

    Feb 2019
    6
    4 times
    All Types Of Treasure Hunting
    Hi
    It is for dryland/ or highbanking if you will and I would like to go as deep as possible, hopefully 2-3 meters (6-10ft) down from the ground. the water-table is appearing about 0,75-1 meter (2,5-3 ft) down. I am going to supply secondary water for the suction hole so that no air is sucked up.
    winners58 likes this.

  6. #6
    us
    Mine President, XPBC, GIH, stamp mill operator, snuffer bottle owner.

    Dec 2013
    Arcata, California
    Fisher 1212-x Fisher Gold Bug 2 Whites 4900/SP3 Rocker boxes, Keene sluices, Bazooka sluice, 2.5", 4" lowbankers, highbankers. Witch Sticks.
    652
    733 times
    Prospecting
    conventional wisdom goes out the window with dryland dredging, you're going to need a booster jet and a whole lot of water. Your best bet would be using a suction nozzle in conjunction with one or two booster jets.
    Strebs and winners58 like this.

  7. #7

    Feb 2019
    6
    4 times
    All Types Of Treasure Hunting
    booster jets...?? explain please..

  8. #8
    Make America Great Again

    Apr 2013
    Oregon
    1,625
    3751 times
    All Types Of Treasure Hunting
    sounds like you have the right idea, One jet down in the hole to push the material
    another to keep it moving and give the slurry a boost close to your screened set of sluice runs.

    every foot above the plane will yield lesser vacuum and less capacity.
    put together what you think will work then make adjustments when you can see how the riffles are doing.
    don't hog the box but with adjustments you can get it dialed in.
    Last edited by winners58; Mar 09, 2019 at 12:17 PM.
    N-Lionberger likes this.
    " A pessimist is an optimist with experience "

  9. #9
    us
    Mine President, XPBC, GIH, stamp mill operator, snuffer bottle owner.

    Dec 2013
    Arcata, California
    Fisher 1212-x Fisher Gold Bug 2 Whites 4900/SP3 Rocker boxes, Keene sluices, Bazooka sluice, 2.5", 4" lowbankers, highbankers. Witch Sticks.
    652
    733 times
    Prospecting
    An inline jet log is generally refered to as a booster jet, at the nozzle end you need a suction nozzle to drive the material up the hose to be picked up by the booster. With a suction nozzle you can be less concerned about sucking air.
    Hoser John likes this.

 

 

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