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Moving more VOLUME efficiently is one key to gold mining. With our new header design, you can pretty much just shovel paydirt directly into the box. It will handle large rocks up to roughly 3-4″. Most minis can't touch that. With MOST minis you have to classify to 1/2″ or even 1/8″. This is a SLOW process that kills your production rates.
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Dredge Suction Tips - reduce rock jams! Keene DREDGE SUCTION TIPS - reduce rock jams! Suction Tips attach to the end of a suction dredge nozzle. Tips are made of thin walled plated steel tubing and feature a rolled tip which will reduce rock jams by up to 20%. #st15 - 1.5" #st2 - 2" #st25 - 2.5" #st3 - 3" #st4 - 4" #st5 - 5" These are suction tips.
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Buying a Used Gold Dredge. August 2005 by Reed Lukens. In March of 2001, I saw a 3" dredge for sale on the Internet that was way over priced. It was advertised as a "complete Keene 3 inch gold dredge ready to go." But what I saw was only an old 3" Keene header-style sluice box with home made...
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Ideal for shallow water dredging - these dredge suction nozzles are precision manufactured by Jobe and Keene from thin-wall plated steel tubing with machined orifices to create maximum suction pressure. Choose from 9 sizes below. Prices start at $135 for a 1.5" Suction Nozzle. Use drop down menu to choose size. Example: A ke-sn32 dredge nozzle ...
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Sluice Box Matting; Gold Cube; Desert Fox Spiral Panner; Hand Dredges; Black Magic; Blue Bowl Concentrator; Alaska Paydirt; Colorado Paydirt; Fine Gold Recovery; CC 690 Power Sluice; ... 48" Highbanker, stand, hopper dredge box - FREE SHIPPING! Hopper Box Price: $ 456.92. Large Hopper Box for 10 inch sluice - FREE SHIPPING! Gold Buster 2 Mini ...
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Now, that's better gold prospecting equipment, for sure! The Desert Fox Gold Panning Machine is a compact. Light-weight automatic spiral panner that you can take anywhere. ... This is a used Keene 5109PH five-inch gold dredge with a three-stage sluice box. 9HP Honda engine, T-80 compressor and diving equipment for two users, swivel nozzle ...
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The rocks and sand flow out the back of the box back into the stream bed. ... original 1850 gold rush) said that a dredge manufacturer in Idaho had been contacted by an organization associated ...
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to catch gold. Here are a few examples of a well balanced dredge: 2" backpack dredge. Small but effective 2.5 hp 100 GPM pump with 10" wide box. 2.5" dredge 4 hp engine with a 200 GPM pump with a 12' wide sluice box. 3" dredge 5.5 hp with 250 GPM pump 14" wide box 4" dredge 6.5 hp with 275 GPM pump with 16' box
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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. The sluice box then expels the worthless gravel and retains the gold.
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engineer a better dredge, and possibly explore a different technology, so when ... that pulled gold is more likely to go on through than pushed gold. Bob. Micro* ... dredge suction hose already comes into the header box at an angle I thought I would just add a section of larger pipe, at the same angle, to the entry ...
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Even tanks and halftracks get better mileage than that. It must cost you a bundle just to pick up stamps at the Post Office. ... A Sammy would be a good choice, it'll go anywhere, and cheaply. Have a golden header box! Good Luck, Ben. Quote; Link to comment Share on other sites. More sharing options... PYRATE. Posted February 25, 2010. PYRATE ...
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The jet log will get better gas mileage than a suction nozzle and provide better suction should you keep it floating on the pontoons. The jet inlet position doesn't matter too much on my dredge as I still use the old crashbox style header. This may be different than yours, I'm not sure if you have a crashbox or a jet flare.
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1) The faster the flow, the more difficult it is to drop finer-sized material through the openings of a screen in your sluice box. 2) The smaller the holes in the screen, the less finer-sized material you can expect to drop through the openings out of the high-velocity flow required to move larger material through your sluice box.
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i will have to get the 3 inch nozzle and the y thingy that generates the suction im going to use the dredge out of a pontoon boat in about 2 foot of water. so i will only have a few foot lift and about 15 feet of suction hose running into a river sluice with some kind of header box. my biggest problem is will i have enough 5 gallon buckets to ...
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Powered by a battery driven 2200 GPH pump, 12-volt pump or a small single gas powered pump. Ideal for back packing and folds into an amazing compact size of 36" x 7" x 14" weighing under 15 lbs. The 4 independent legs fold up with the new pin-lock system, large wing nuts provides elevation control.
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Hiya fellas! Well today, I put some money down on my first dredge! Kind of a weird situation. My friend manages a pawn shop and called me up. He hooked me up, $500! But I have not seen it in person yet. I just have a picture of it. Anyone know what kind of dredge this is? I know he said that...
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Remove them or wash them by hand in the box. The angle of the header box really varies with each person. We like to have larger rocks JUST make it out the back. Watch the videos and Doc talks about the header box angle and wash time. DON'T try and get clay balls to break down in the header box. Most clay balls take 20 minutes + to break down.
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10" POWER SLUICE DREDGE HEADER BOX. RDH Prospecting Power Sluice Dredge Header Box measures 12" L x10" W x 6" H. Header box will let you turn a 10" stream sluice into a dredge. Comes with either a 2 inch or 1.5 inch inlet - please specify size in drop down menu above. Header will fit any 10" sluice like the Keene - A52, A51, RDH #36, RDH #48 ...
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1/4" holes to be drilled on the sides of the header box. Weighs only 3 pounds. #-6505 The JOBE Dredge Header Box is used to convert your stream sluice into a 2 inch dredge. All precision laser cut aluminum construction. Works on the JOBE 45 Yellow Jacket, the Keene A52, or any 10 inch wide sluice. The mounting holes are precut to bolt onto the ...
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The dredge's over-all size is approximately thirty-nine inches and the price range for the equipment is approximately $700-800. These dredges can be transported by small trucks or SUV trunks. One of the most common reasons for dredging is flipping over. The dredge can flip over due to overloading its sluice box with rocks and gravel.
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The New 49'ers Mining Clubhas around 60 linear miles of mining claimson the famous gold-rich Klamath River and its tributaries, including the Scott River, Salmon River, Elk Creek, Indian Creek, and others. Our objective on this trip was to locate promising stretches of river to gold dredgethis next summer.
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First, depositing this material above the grizzley would require the dredge to lift the gravel much higher above the water level to process it. This would decrease the dredge's suction power considerably, make it less stable, and increase the rock jams encountered when dredging.
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The design of a dredge pump is based on the required specifications (1). dredgecentral. ... Dredge Pump, Hand prime pump, Sluice box, modular with 6 legs complete unit, 10-meter suction pipe with nozzle and coupling and 10-Meter discharge pipe with couplingsPortable, and can be carried alone or by 2 persons. 12 x 12 or 14 x 36 Pekor Dredge Pump.
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6 inch Mini Power Sluice & Set Up Kit includes: 32"L x 6"W sluice AND 8" x 6" x 6" header box AND 8.5" x 24" sluice stand AND flare AND. 12 volt 750 gph pump AND 4 feet of 3/4" hose. The unique elongated 45 degree z-riffles are great for trapping gold. The riffle cage is also aluminum. Up front ribbed matting for fast gold ID and down below is ...
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Use damping on incoming flow surface (See below.). A flared sluice used in a dredge configuration must still maintain a minimum water velocity and depth to clear large material. Advantage - Velocities are changing through the sluice allowing for different action of riffles, which capture different fractions of gold.
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equipment work better together. The Boomer Box is a sluice header box. The 6 foot hose on the X-Stream Hybrid Pro hand dredge fits directly into the Boomer Box that goes on your sluice. Now you can directly feed your sluice instead of using the hand dredge's bucket to collect gold bearing material! Boomer Box found here. Protect Lower Legs from ...
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Keene Dredge Suction Nozzles Product Description: Ideal for shallow water dredging - these Keene dredge suction nozzles are precision manufactured from thin walled plated steel tubing with machined orifices to create maximum suction pressure. Available from 1.5 inches to 4 inches. Choose from 9 nozzle sizes in the drop down menu. Prices start at $135 for a 1.5" Suction Nozzle.
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The flare dredges are easily distinguished from the dredges that use a hopper, or "header box", in that they incorporate a large expansion chamber or "flare" which is located between the dredge's power jet and the sluice box. There are several advantages that come from this design.
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The difference is mainly that the bigger units, say a 4 inch, will move way more material than say a 2 or 2 1/2 incher (on the range of 3 times). But along with that you require generally bigger engines, hoses, pumps, etc. All adds weight and bulk to get it into where you want to go.
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On all of the Keene triples of the 1980s, from the 5" to the 8", far too much of the fine gold would go straight down the center box, with much of that fine gold then going straight back into the river. And because of the design of the Keene header boxes, there is no after-market alteration that a dredge owner can do as a fix.
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So when we needed something to recover overwhelming amounts of fine gold using a dredge on a river in Cambodia, ... We are finding that quite a lot of (very) fine gold also gets trapped in the header section! We have noticed that while in production, material tends to mound on top of the header section under the 8-mesh screen, and then wash off ...
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There should be about 4 inches more above the leg bracket than then front. This should provide a 15 degree slope or, one inch per foot of drop. Check the water flow over the riffles and adjust the stand as needed. 2. Unbolt the flare and set it aside. 3. Bolt on the header box in the same place where you took off the flare. 4.
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For many yearsihave old pump keene 201 - I do not even know where it came from I. (input 2.36 inch - Output 1.77 inch) it has a mount for 9 HP Honda - but I really do not want to buy a new engine 9 hp. but I also have a 6.5 hp Honda engine - pump shaft hopelessly rusted - I should do it with a new (there is a long shaft with a pulley for ...
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Power Sluice Header Box. Item # 6505 Categories Dredge Parts, Shovel Sluice to Highbanker Conversion. ... Grizzly Gold Trap is a self-classifying sluice and maximizes gold recovery better than any sluice on the market. Fastest clean-up for more gold. small block chevy weight
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Jabbit Deep Water Sluice Box STAND (SOLD OUT) Header Box Adapter for Gold Buddy Magnum 10" Sluice Regular price: $39.95 Sale price: Sluice Box Stand: Collapsible Sluice Stand: Dredge Header Box by Jobe: Sluice Header Box: Hopper for Highbanker / Dredge : 2.5 HP Dredge / Highbanker Engine and Pump 1.5" (SOLD OUT) Jobe Power Sluice - Gas 2.5hp ...
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Broken Mail Box and Watching Gold Mining Videos. Posted on February 3, 2017 by Bob. Friday February 3, 2017 Guerneville CA. ... He had a five inch dredge that he also used to help suck the gravels out to get down to bed rock. ... The eye piece is also a must as it works way better than a LED screen to see what you are taking a picture of in the ...
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Effectively recover gold and other valuable minerals. Dimensions: 10" x 36" x 4.5". $189.99 #3033 In Stock. Keene High Production Hand Sluice. This sluice box has been the standard in the industry for decades. Desined with a wider flare for increased flow and made longer for greater capacity.
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why is a flare better than a header box on a gold dredge rifles sluice dredge difference smartuniversity Build Your Own Dredge sluice box allows better screening in my opinion and gives me a better sense of ching realistic gold have a header box use it equipment in a crusher section of a gold plant Riffles and Sluice Boxes - How do they work?
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The crasher/boil box will slam the material into the back wall of the box, thus helping to shatter the material, plus the boiling stirring action inside the box will further help in breaking up this type of material. Getting back to the jetting systems of dredges: ie, power jets & suction nozzles. These are what create the suction of a dredge ...
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GOLD BUDDY MAGNUM 10 INCH SLUICE HEADER ADAPTER Use this precision aluminum adapter to mount a dredge hearer box or hopper to the 10 inch Magnum Equipment s. FREE SHIPPING ON ALL ORDERS OVER $99* ... Prospecting in the better known gold bearing regions will immediately improve your chances of finding gold. Gold is where others have found it and ...
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