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Suction Dredging for Gold: The Basics

While it may sound easy, suction dredging is much more difficult than vacuuming coins out of your couch cushions (or gold flakes out of your carpeting). The process involves hauling heavy equipment, lifting and moving stones too wide for the suction nozzle, fighting against the water's current, and lots of swimming.

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GOLD MINER'S TOOLS :: HYDRO FORCE DRY …

Hydro-Force Nozzle, a revolution in suction nozzle design, was built specifically for use where water is in short supply. This nozzle can be used in low water or completely out of the water and it has suction force second to none. ... In dry …

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Has anybody made their own dredge?

One thing to keep in mind, the higher the power jet is from the surface of the water, the more horse power needed in order to have enough suction at the end of the nozzle, thus …

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Plan and design your own home made suction dredge for gold …

How to plan, design and build your own homemade gold suction dredge so you can prospect and mine for gold: from

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How To Make A 4" Gold Sucker Pump

Here's a video showing how I've redesigned and made my monster 4" manual gold pump/dredge. I have a previous build version of this 4" manual gold pump on my youtube …

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Dredge nozzle size

I am new to prospecting and I am in the process of building a dredge. I have a Champion 2 in simi trash pump. I am getting ready to buy a nozzle but am a little confused by the inlet size on the nozzles. the 2 inch nozzle has a 1.5 in inlet. So I am guessing that I will need to reduce my 2 in hose down to 1.5 in hose feeding the nozzle and have a 2 in hose off of the …

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How do Suction Gold Dredges Work?

How does a gold suction dredge suck up gravel? Also learn the differences between a power jet and a suction nozzle. Click on dredge images above to enlarge. Suction dredges utilize a high pressure gasoline powered water pump to suck up water, gravel and gold and inject this material into a sluice through a header box.

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GOLD_EQUIPMENT_DREDGE_INFO

Example; if the power-jet was placed in the power-jet tube up closer to the sluice, it was assumed to be a vacuum dredge or if it was placed in the nozzle head, such as with the suction nozzle, it was assumed to be a suction dredge. In some instances, it …

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12vDC 1.5" Dredge

My plan is to use a seperate bilge pump on each line having a total amps of no more than 10. Thiis would limit me to 1000gph pumps I believe. On the suction nozzle the pump would be probably be mounted a foot or so in back of the nozzle and feed into the nozzle via a 3/4" line to create the suction.

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Gold Suction Nozzle Plans

How Does a Gold Dredge Work? The Role of the Suction Nozzle on a Gold Dredge. Suction dredges utilize a high-pressure gasoline powered water pump to suck up water, gravel and gold, and inject this material into a sluice through a header box. The header box dampens the rush of water and gravel so that it flows evenly into the sluice.

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12vDC 1.5" Dredge

I was thinking of a suction nozzle but a power jet may let you get into small places easier. But as cheap as the gold snare is would it be worth just getting one and modifying it. …

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Suction Nozzles: Online

4" Suction Nozzle for 1.5" Pressure Hose. $279.95. Quick View. 4" Suction Nozzle for 2" Pressure Hose. $285.00. ... Sluice Conversions; Hand Sluices; Engines & Pumps; Jet Flares, Jets & Nozzles; Power Jets; Suction Nozzles; Suction Hose Tips; Gold Pans; Flotation; Library; Gift Ideas; Gold Concentrators; Traditional Drywashers; Dustless ...

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Emily Riedel's Guide to Building a Bering Sea Gold Diver Dredge

A suction dredge is basically an underwater vacuum cleaner that sucks (hopefully) gold-bearing gravel up and runs it through a sluicebox. In more technical terms, suction is created by a motor-driven centrifugal pump moving high pressure water into a jet system, creating a low pressure area that creates suction at the nozzle …

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How to Build a Gold Suction Sucker Tube

How to Use & Build a Gold Suction Tube. Join NuggetBrain and Snappy Grip Tim as they use a Gold Suction Tube to get some nice color. See all the GOLD they found detecting at the last …

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Best quality gold dredge suction nozzle plans rib console boat

Quality Best quality gold dredge suction nozzle plans rib console boat - find quality Gold Dredge, Dredger & Gold Dredge from Bucket Chain Gold Dredger CO.,LTD of China Suppliers - 159621989.

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Keene 2.5" Jet Flare Dredge Suction Nozzle with P160

Keene 2.5" Jet Flare Dredge Suction Nozzle The KEENE 2½" JET FLARE design provides excellent fine gold recovery. The jet flare and water level sluice box give 30% more suction allowing dredge depths of nearly 30 feet. Also, the state-of-the-art sluice box is more efficient, compact, and lighter. A 150 GPM pump mounted

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Hand Held Suction Dredge | Hand Operated Gold Dredge

Made by gold prospectors for gold prospectors, this hand operated gold dredge (sometimes called a gold sniper) is made of 2 inch PVC pipe The Ball-handle is made High Density plastic. The 3/4" x 8.5" nozzle is perfect for crevicing and sniping. Total length is about 30 inches.

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en/115/venturi suction nozzle design.md at main

Home Made Suction Dredge.This is very bad design,and the heavy load of sand and gravel going thorough the trash pump will destroy it in a short time.A suction nozzle is best in very shallow water a power jet produces better overall suction.Most dredges are power jets,but some smaller units,3 inches and smaller are suction nozzlesUnderstanding ejector systems necessary …

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The Gold Dredge

In the beginning of the Gold Rush, the miners were limited because they could only work the areas that were accessible to hand tools along the banks of the streams and rivers. ... Suction Nozzle. Submersible dredging tube uses a suction nozzle. It is handheld underwater for moving overburden quickly. What is a Single Sluice Box, a Double Sluice ...

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China gold dredge suction nozzle plans rib console boat hoses …

Quality China gold dredge suction nozzle plans rib console boat hoses set engine - find quality Gold Dredge, Dredger & Gold Dredge from Bucket Chain Gold Dredger CO.,LTD of China Suppliers - 159621983.

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» Outfitting a Suction Dredging Project

A gold (and/or gemstone) ... All rocks that are larger than the intake-size of the dredge's suction nozzle must be moved out of the way by hand. When dredging in an average hard-packed streambed, at the point where an experienced operator gets down through 5-feet of material using a 5-inch dredge, he has so many rocks to get out of the dredge ...

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Build Your Own DIY Gold Mining Gear – Tips & Ideas

Not only will building your own equipment save you money, but it will also give you a sense of accomplishment and independence. Whether you're interested in homemade gold pans, hand-fed sluice boxes, or even gold …

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Suction Dredging for Gold

One of the best tools that a modern day prospector can use to find gold today is the suction dredge. Not to be confused with the bucket line dredges of the old days, suction dredges offer the modern day gold prospector the ability to process a lot of material very quickly. ... while often the regulations in various states are based on the size ...

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Hand Dredge : 5 Steps (with Pictures)

Hand Dredge: A hand dredge, also called a gold sucker, is basically a pump that will allow you to suck up material. They allow you to suck up material in hard to reach places, such as under rocks, and in crevices.Hand dredges work extremely well if you are…

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Some dredge basics

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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General High Banker Instructions

Suction Hose Engines Equipped with P180 Pump Will require a 2" x 1 1/2" Bell Reducer 2. 1/2 " or 3" suction nozzle 1 1/4" Pipe Nipple is used to connect the pressure hose to the lay flat hose on all 2 1/2" Models. This assembly is for Power Sluice only This hose is for dredging only Plumbing for 2.5" and 3" Power Sluice Combination Power Sluice ...

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Shop Electric Backpack Dredge & Suction Nozzle Combo

Discover our ultra portable electric backpack dredge & suction nozzle combo. Weighs only 4 lbs! Perfect for remote gold prospecting. ... Free shipping! Purchase the GoldiBox Backpack Dredge & Suction Nozzle combo and save $15! Designed for maximum gold recovery, portability & ease of use. Made in USA. Free Shipping on Domestic Orders Over $65 ...

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» Production Gold Dredging

Dredging technique in gold-bearing streambeds mainly is focused upon removing the over-sized rocks (any rock which is too large to be sucked up the suction nozzle) from the work area of the dredge-hole. In most hard-packed …

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Emily Riedel's Guide to Building a Bering Sea Gold Diver Dredge

The most common mistake is messing up the math on your pump, jet, and flare. It's a finicky fluid dynamics equation to get strong, efficient suction and then deliver that material into the sluice box at a pace that's optimal for gold recovery. Nozzle/hose. There are several key features of nozzle design that keep the diver safe.

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Diy dredge nozzle help | TreasureNet

Problem: Not enough pressure to create suction. Solution: The inductor (jet) needs to be restricted to one fourth the size of the supply to create high pressure. Example: if your …

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Solutions