how to make a power jet for a gold dredge
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how to make a power jet for a gold dredge

How To Build A Jet For Gold Dredge - ricalewis

2017-6-30  Dredge Power Jet with jet log - Gold Fever Prospecting. This Jet utilizes a 2 inch suction hose and pump intake coupling. Equips with Keene 3500 model series dredges. 4" Power Jet with 1.5" Jet Log code: pj4 This Power Jet has an outside diameter of 4

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Suction Nozzle or Power Jet? - Gold Panning Gold

Power Jet Gold Dredge. A Power Jet is more efficient because there is a shorter pressure hose from the pump and therefore less friction losses. The Power Jet enters the suction line just before the sluice, which means the gravel is being “pulled” up the hose rather

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DREDGE SUCTION NOZZLES - You Struck Gold!

2012-9-16  Power Jets: The tubing is the same diameter as is the inlet jet diameters, The length of the jets are longer see chart for specifications. The power tube must have a slot cut that will fit the jet flush to the full length of the 5 degree and flush to the inside of the tube. This also must be bore-sighted for optimum performance.

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Plan and design your own home made suction dredge for

2014-6-26  No question that many gold prospectors would love to own a dredge, and dredges are very cool pieces of prospecting equipment that will allow you to mine some very nice gold nuggets, but the prices for new ones are really high.Don’t forget however, that in the earliest days of dredging, there were no manufacturers, and all small suction dredges were handcrafted units made in someone's garage.

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Dredge Power Jet with jet log - Gold Fever Prospecting

3" Power Jet with 2" Jet Log. code: pj32. This Power Jet has an outside diameter of 3 inches which fits inside the Keene 3 inch suction hose. This Jet utilizes a 2 inch suction hose and pump intake coupling. Equips with Keene 3500 model series dredges. 4" Power Jet with 1.5" Jet Log.

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Keene 2.5" Jet Flare Dredge PowerJet with P160 AB ...

Keene 2.5" Jet Flare Dredge PowerjetThe KEENE 2½” JET FLARE design provides excellent fine gold recovery. The jet flare and water level sluice box gives 30% more suction allowing dredge depths of nearly 30 feet. Also, the state-of-the-art sluice box is

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Getting The Best Performance From Your Dredge

2007-5-15  The tri-jet is usually located at the sluice-box but some manufactures install it 5 feet from the sluice-box to improve its performance. It has three jets that are 120° apart from each other in a tangent flow. The main difference from the power jet is that their combined flow meats at the center of the tube so there is little side friction ...

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Some dredge basics - Keene Eng

2019-6-15  In any dredge, you will have 2 types of suction devices; either a suction nozzle or a power jet. A suction nozzle only works with higher pressure pumps. The recommendation is a minimum of 140-foot head lift for a suction nozzle. A power jet can run at a slightly lower head lift at a 130 foot, however it does require higher volumes.

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Jet boat dredge Gold Dredging Forum

2012-8-4  There is no doubt that jet boats are extremely useful for support in dredging projects on the larger NZ rivers. And, apart from a support role, the jet boat pumps can be used to power a dredge. In the late 1980s some Kiwi professional dredgers used a jet boat to run a production dredge on the Clutha river (no doubt the first to do this).

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Suction nozzle and power jet design? - GOLD

2014-4-16  2 inch jet = 3.14 x (1" (radius of jet) Squared) 3.14 x (1 x 1) = 3.14 sq in for a 2" jet. 3.14 sq inches x 7% (.07) = .219 sq. Inch for eductor. Now for the tricky part: convert backwards and finally come up with a bore diameter. Eductor size is .219 sq. In which we will call .22 - because it is easier.

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How To Build A Jet For Gold Dredge - ricalewis

2017-6-30  Dredge Power Jet with jet log - Gold Fever Prospecting. This Jet utilizes a 2 inch suction hose and pump intake coupling. Equips with Keene 3500 model series dredges. 4" Power Jet with 1.5" Jet Log code: pj4 This Power Jet has an outside diameter of 4

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Advanced power jet dredge Efficient Mining Performance ...

Dredge Power Jet Mitsubishi Dredger 3 Inch Gold Mining Dredge Boat For Papua New Guinea Power Jet Dredge Gold Suction Dredge For Sale. $1,600.00-$2,100.00/ Set. 1.0 Sets (Min. Order)

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Keene 2.5" Jet Flare Dredge PowerJet with P160 AB ...

Keene 2.5" Jet Flare Dredge PowerjetThe KEENE 2½” JET FLARE design provides excellent fine gold recovery. The jet flare and water level sluice box gives 30% more suction allowing dredge depths of nearly 30 feet. Also, the state-of-the-art sluice box is

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Jet boat dredge Gold Dredging Forum

2012-8-4  There is no doubt that jet boats are extremely useful for support in dredging projects on the larger NZ rivers. And, apart from a support role, the jet boat pumps can be used to power a dredge. In the late 1980s some Kiwi professional dredgers used a jet boat to run a production dredge on the Clutha river (no doubt the first to do this).

More

Suction nozzle and power jet design? - GOLD

2014-4-16  2 inch jet = 3.14 x (1" (radius of jet) Squared) 3.14 x (1 x 1) = 3.14 sq in for a 2" jet. 3.14 sq inches x 7% (.07) = .219 sq. Inch for eductor. Now for the tricky part: convert backwards and finally come up with a bore diameter. Eductor size is .219 sq. In which we will call .22 - because it is easier.

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DIY-Dredge Dredging by yourself is fun

2020-3-6  The Dredge is an efficient alternative to using an excavator, which is expensive, has limited reach, may be destructive to the shore, and typically deposits the material adjacent to the shore, only to wash back in with the first good rain. It also works well as a fire pump. We also have a special model designed for gold prospecting.

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Gould Engineering Bazooka Dredge

2008-12-9  It is 67% more efficient then the currently used Straight Jet Venturi (Log) used by other dredge manufactures. The main advantage by using the Suction Nozzle is reducing the amount of Horse Power and Pump needed. For example, a 5.0" Dredge

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Proline 2.5" Jet Flare Dredge HP200 AB Prospecting

Proline 2.5" Jet Flare Dredge HP200. High performance and quality in an easy to set-up/break-down design. The one piece jet flare/power jet provides even flow onto the state-of-the-art wave classifier. A specially designed suction hose ring joins the power jet and suction hose to make set up easier.

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2" suction dredge Gold Dredging Forum

2012-12-6  I have now converted the sluice box into a suction dredge. My idea is to set it next to a small creek and suck out from underneath the big boulders. I have a 2" Briggs and Stratton 3.5 HP pump which delivers 150 GPM. It appears to be supplying more than enough pressure and flow.

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Suction Nozzle vs. Power Jet? - GOLD PROSPECTING -

2010-7-17  Jet will make more suction, and stronger lift. Suction nozzle is best for shallow water, especially if the end comes out of the water occasionally. It is somewhat of a pain to use because you have to manage both the suction and pressure hoses. So,

More

DIY-Dredge Dredging by yourself is fun

2020-3-6  The Dredge is an efficient alternative to using an excavator, which is expensive, has limited reach, may be destructive to the shore, and typically deposits the material adjacent to the shore, only to wash back in with the first good rain. It also works well as a fire pump. We also have a special model designed for gold prospecting.

More

Proline 2.5" Jet Flare Dredge HP200 AB Prospecting

Proline 2.5" Jet Flare Dredge HP200. High performance and quality in an easy to set-up/break-down design. The one piece jet flare/power jet provides even flow onto the state-of-the-art wave classifier. A specially designed suction hose ring joins the power jet and suction hose to make set up easier.

More

2" suction dredge Gold Dredging Forum

2012-12-6  I have now converted the sluice box into a suction dredge. My idea is to set it next to a small creek and suck out from underneath the big boulders. I have a 2" Briggs and Stratton 3.5 HP pump which delivers 150 GPM. It appears to be supplying more than enough pressure and flow.

More

Gould Engineering Bazooka Dredge

2008-12-9  It is 67% more efficient then the currently used Straight Jet Venturi (Log) used by other dredge manufactures. The main advantage by using the Suction Nozzle is reducing the amount of Horse Power and Pump needed. For example, a 5.0" Dredge

More

Dredge Nozzles - Gold Prospecting Mining Equipment ...

A dredge designed to work on flotation, with a compressor for underwater dredging, is almost always equipped as a power jet. Since a power jet and supply hose must be kept under water at all times, it won't work very well in shallow water. Shown below is a wide variety of gold dredge nozzles from several reputable manufacturers.

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Suction Nozzle vs. Power Jet? - GOLD PROSPECTING -

2010-7-17  Jet will make more suction, and stronger lift. Suction nozzle is best for shallow water, especially if the end comes out of the water occasionally. It is somewhat of a pain to use because you have to manage both the suction and pressure hoses. So,

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Keene 2" Backpack Dredge with Power Jet Kellyco 855 ...

Keene 2" Backpack Dredge with Power Jet ... The sluice box is specifically engineered for fine gold recovery and easy clean up. The Model 2004 is constructed with an aluminum frame and is supported with either black inflatable or grey hard Marlex pontoons. The model 2004 comes equipped with a power jet or optional suction nozzle.

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gold dredge TreasureNet 🧭 The Original Treasure

2020-5-28  Dredge Power Jet Repairs. Hey guys. I blew out the power jet and though some of you might like to see how I dealt with it. ... 4" manual gold dredge my friend made following the same principal of the instructional video I uploaded showing how to make the 4" manual gold dredge. As you can see, he's filling a classifier full of material in just 3 ...

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Gold Dredge - Classifieds - Shoppok

2021-11-17  Super jet Gold mining dredge 4" - $3,200 (Montague) Gold mining dredge 4" like new. Custom made dredge for deep River or Greek for fast sucking material, 4" water pump, new 9HP Honda engine, one stage sluice box, 28' sacker hues, 10' jet hues 3', water hitter, water hitter hues 20', T-63 too pistons air compressor, air hues 25', air tank, instruction for water hitter, sucker nozzle 4'.

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2" Backpack Dredge - good idea? - Gold Prospectors ...

2017-2-9  I went to see the dredge in person and couldn't control my impulse to buy. Turns out the owner had modified it with Gold Hog mats (BONUS), and even threw in a bench stand and 3-wheel cart to be able to hike it to the creeks. It is a power jet model, but I'll see what it can do before thinking of upgrading to a suction nozzle setup.

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