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  • 5 Steps to Professional Prospecting: How to Build a

    2020-7-27  4. Build the intake system using pipes and hoses. An intake system must be built using pipes. Based upon the volume of deposit you aim to process, choose the diameter of the pipe. The ratio of diameter of pipe to the overload is 1:1. It means you will require a 1-inch intake pipe to serve 1 feet of load. This whole setup should be assembled firmly.

  • want to build a 4 inch dredge. Gold Dredging Forum

    2013-8-6  As i am thinking about building a dredge, I want to know what size of dredge pump can i use to build a 4 inch, 5 inch and 6 inch. the Robin 4 inch water pump I had is not suitable for dredge as i was advised. now if I am building a 6 inch twin engine dredge what size

  • diy sluice box for a 4 inch dredge - Gold Prospectors ...

    2020-6-21  keen 4" flares sluice box is 48" long and 16" width I don't know how high the sides are but if I can remember they were 4" to 6" high and I think 6" wood be better if you plan on using two P180 pumps the 4" dredges come with a P180 at 300 GPM or a P280 at 340 GPM pump and a some of the 5" dredge use two P180 pumps there flares sluice box is 60" long and 20" width and I think about 8" high so ...

  • build a gold dredge - Straffe Artist

    want to build a 4 inch dredge Gold Dredging Forum Aug 06 2013 But before you start and go to the trouble of building a dredge I suggest you first give some consideration to the size of dredge you should be building A four inch dredge is essentially a recreational dredge and if you build a dredge this small you will be extremely restricted ...

  • How to Build a Gold Dredge Our Pastimes

    A gold dredge is a necessary tool for anyone who pans for gold as more than a hobby. Gold dredges are machines that pulls the gold from dirt or gravel. The gold dredge became popular at the time of the California Gold Rush, when thousands were looking for the shiny mineral as a way to strike it rich. Gold dredges

  • Building a small dredge Gold Dredging Forum

    2008-11-15  For a 3 or 4 inch dredge you can build the hole thing out of 2 Sheets . 3m x 1.2m are the best size to uses this will give you pontoons 1.5m long which is ample if you keep the weight down. I have attached a photo of an old dredge I built, it is missing the riffles out of

  • build your own gold dredge highbanker -

    want to build a 4 inch dredge. Aug 06, 2013 want to build a 4 inch dredge General General Board Archiv Articl Historical Books Photos Links , live in the republic of Liberia and want to build my own gold dredge , If you decide to go ahead and build your own 4" nozzle you will mostly have to consider the design of the reducer that goes in the ...

  • » Six inch Dredge For Sale - New 49ers Prospecting Club

    25-foot 6-inch suction hose in new condition. Six-inch swivel nozzle with break-away flap in new condition. Double-screen classification system for the best fine-gold recovery possible on a suction dredge, with a high-grade recovery system at the head of

  • Some dredge basics - Keene Engineering, Inc.

    2019-6-15  Example. Trying to run a 3 inch dredge with cheap trash pump and use a 10 inch wide box. I have to explain that the 10 inch wide box is too small and the velocity is too high 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.

  • Suction Gold Dredge Basics - Steve's Guides ...

    2020-7-31  Therefore most dredge permits refer to the nozzle size, not the hose size, when imposing rules and restrictions. This is a very important thing to remember when working with permits. What a dredge manufacturer calls a 5" dredge may be a 4" intake nozzle dredge for permitting purposes. Nozzles sizes may be up to 2" smaller than hose sizes.

  • How to Make a Hand Dredge Our Pastimes

    If you would like to use different nozzles with the same hand dredge, do not glue the nozzle to the 24-inch length of 1/2-inch PVC pipe in step 2 of building the body. Instead, simply squeeze the nozzle onto the 24-inch length of 1 1/4-inch PVC pipe.

  • build own dredge,powder grinding tungsten

    want to build a 4 inch dredge. Gold Dredging Forum. 28/7/2013 Hi Rob, many thanks for the useful information given me. Right now the only thing about the dredge is the price. A 6 inch dredge is very expense to buy, this is while i am looking to build a 4 inch. I have a 4 inch Robin water pump engine/motor, Is it ok to use any

  • diy sluice box for a 4 inch dredge - Gold Prospectors ...

    2020-6-21  keen 4" flares sluice box is 48" long and 16" width I don't know how high the sides are but if I can remember they were 4" to 6" high and I think 6" wood be better if you plan on using two P180 pumps the 4" dredges come with a P180 at 300 GPM or a P280 at 340 GPM pump and a some of the 5" dredge use two P180 pumps there flares sluice box is 60" long and 20" width and I think about 8" high so ...

  • Gold Dredger dot Com Disscussion Forums • View

    2011-1-25  Hi all, i'd like to start by saying im going to be building a 4inch dredge and am in the process of doing all my research, ive pretty much decided on a three stage sluice. along the lines of a Keene. i know all the parts to the dredge. and have found some nice diagrams to go off of for a model. where my problem is,. i do not have any measurements though i know its gonna be 16 wide 48 long. i ...

  • How to Build a Gold Dredge Our Pastimes

    A gold dredge is a necessary tool for anyone who pans for gold as more than a hobby. Gold dredges are machines that pulls the gold from dirt or gravel. The gold dredge became popular at the time of the California Gold Rush, when thousands were looking for the shiny mineral as

  • Power Jet For A Gold Dredge How It Is Made

    Power Jet For A Gold Dredge How It Is Made. 2 backpack dredge with suction nozzle 2004snf 1,89500 the 10 by 36 inch 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 flexible black...

  • four inch dredge designs - bergennoorwegen.nl

    The Subdredge is a remote operated submersible dredge (ROV) that can be powered hydraulically or electrically with pump sizes ranging from 4-inch up to 10-inch with production rates of up to 4500 GPM or 400 cubic yards of material per hour.

  • build your own dredge - prodeoplanner.nl

    Building a dredge is a big project with a lot of plans and decisions to be made Take your time and think about what you really want to build Think about what materials you have on hand or what you could easily acquire, then build a list of what you need to construct your dredge.

  • Dredge - For Sale Classifieds - Claz.org

    2020-7-4  OMS stainless back place system complete with 2 bladders, never hit the water, $550. Dive Rite stainless back plate system complete with 1 bladder, hit fresh water about 4 times in Colorado and Utah, $275. Proline 3 inch Gold dredge complete with diver air, $3000. Bare D6 drysuit $900. Other various bits of gear from fins to knives.

  • Ellicott Dredges A Global Leader In Dredging Systems

    Ellicott Dredges is a global leader of medium-sized cutter suction dredges. We have supplied over 2000 brand dredges to customers.globally.

  • diy sluice box for a 4 inch dredge - Gold Prospectors ...

    2020-6-21  keen 4" flares sluice box is 48" long and 16" width I don't know how high the sides are but if I can remember they were 4" to 6" high and I think 6" wood be better if you plan on using two P180 pumps the 4" dredges come with a P180 at 300 GPM or a P280 at 340 GPM pump and a some of the 5" dredge use two P180 pumps there flares sluice box is 60" long and 20" width and I think about 8" high so ...

  • build own dredge,powder grinding tungsten

    want to build a 4 inch dredge. Gold Dredging Forum. 28/7/2013 Hi Rob, many thanks for the useful information given me. Right now the only thing about the dredge is the price. A 6 inch dredge is very expense to buy, this is while i am looking to build a 4 inch. I have a 4 inch Robin water pump engine/motor, Is it ok to use any

  • Power Jet For A Gold Dredge How It Is Made

    Power Jet For A Gold Dredge How It Is Made. 2 backpack dredge with suction nozzle 2004snf 1,89500 the 10 by 36 inch 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 flexible black...

  • 3 Inch To 4 Inch Conversion - Gold Panning, Sluicing ...

    2019-11-19  Was originally a keene 3 inch with 4 hp motor and p160 pump i believe. I sold off most of the 3 inch parts and started building the components need to turn it into a 4 inch. From the 3 inch all that remains is the frame, floats and motor and pump combo.

  • Building a dredge. 'help' - GPEX

    2010-1-26  Looking for some help building a dredge, and living in Scotland its impossible to get one of the shelf. I have a HondaWH20 pump that is 5.5hp to base the dredge on, making the sluice is no problem its just pipe diameters and materials that is my problem.

  • China 6 Inch Dredge Gravel Sand Pump (8/6 E-G) -

    Discharge Size: 4 to 14 inch Capacity: 36-3168m³ /h Head: 7-66m Feature and Applications: NP-G series of Dredge and Gravel pumps is designed specifically for continuous pumping of extremely aggressive slurries, with a wide particle size distribution. Capable of handling large particles at consistently high efficiencies results in low cost of ...

  • Auger Dredge - Autonomous and Remote Operated -

    This Auger Dredge cut at a depth from 1-ft up to 30-ft depending on the dredging project. All EDDY dredges use our industrial EDDY Pumps. This Auger Dredge system is powered by your choice of a 4, 6, 8, 10 or 12-Inch EDDY Pump, to match your project production requirements.

  • Plan and design your own home made suction dredge

    2014-6-26  Building a dredge is a big project with a lot of plans and decisions to be made. Take your time and think about what you really want to build. ... So for a 2 inch dredge you don't want to go through overburden deeper than about 2 feet, for a 4 inch dredge you don't want to go through more than about 4 feet of overburden, and the 6 inch dredge ...

  • Gold Dredge Builders • Riggins • Idaho •

    Proline 4 inch Gold Dredge - Also see our full line of Keene Engineering gold dredges. The full line of Proline Mining gold dredges and dredging accessories are ... Gold Dredge Builders 316 Seven Devils Road 83549 Riggins Idaho

  • » Outfitting a Suction Dredging Project

    Two Pro-Mack 5-inch dredges were used to find rich deposits on this river in Cambodia, before a 10-inch production dredge was brought on line.. As an example of this, a 4-inch dredge can effectively sample down to around 4-feet deep in hard-packed streambed material). A 5-inch dredge can excavate about twice the volume of a 4-inch dredge down to around 5-feet of material.

  • Building a dredge. 'help' - GPEX

    2010-1-26  Looking for some help building a dredge, and living in Scotland its impossible to get one of the shelf. I have a HondaWH20 pump that is 5.5hp to base the dredge on, making the sluice is no problem its just pipe diameters and materials that is my problem.

  • 3 Inch To 4 Inch Conversion - Gold Panning, Sluicing ...

    2019-11-19  Was originally a keene 3 inch with 4 hp motor and p160 pump i believe. I sold off most of the 3 inch parts and started building the components need to turn it into a 4 inch. From the 3 inch all that remains is the frame, floats and motor and pump combo.

  • Mike Hooks orders new 27-inch cutter suction dredge

    Mike Hooks LLC, West Lake, La., has awarded the SPI/Mobile Pulley Works shipyard in Mobile, Ala., a contract to building a new state-of-the-art, 27-inch cutter suction dredge to be named Lorraine Hooks.. Mike Hooks owners, Kim Hooks McMahon and Ronnie Hooks, are looking forward to the continuation of a hardworking family legacy, saying, “Our new 27-inch dredge will be named the Lorraine ...

  • Portable Mini 6 Inch Dredge For Sale - Buy 6 Inch

    6 inch dredge , also called portable dredger or small dredger, is the kind of compact sand dredging machine which is widely used for excavating and pumping sand or mud from the bottom of the water body.OCEAN Pump brand Pond Dredging Machine is made by our high quality sand pump and industrial-strength floating platforms. The 6 inch dredge body is designed into box-like structure that can be ...

  • Plan and design your own home made suction dredge

    2014-6-26  Building a dredge is a big project with a lot of plans and decisions to be made. Take your time and think about what you really want to build. ... So for a 2 inch dredge you don't want to go through overburden deeper than about 2 feet, for a 4 inch dredge you don't want to go through more than about 4 feet of overburden, and the 6 inch dredge ...

  • A Gold Fever Experience - Gravity Dredge Plans -

    2014-12-14  If your are building an 8 inch dredge with 10 feet of head (a very powerful dredge) you might find it difficult to close the watergate and fill the pipe with water without having a catastrophic disassembly of your couplings, pipe and watergate. This is because 10 feet of head is a lot of pressure for the hose clamps to withstand without ...

  • DREDGE SUCTION NOZZLES - wvminers

    2012-9-16  4" can be ran with 2 jet logs 180 degrees apart on tube using 2 pump and motors. For those that want to move extra material Current permits do not state how many nozzles and suction hoses you can run, provided you stay under 16HP. A double 4 will move as much as a 6" dredge

  • Proline Mining Equipment/Gold Dredges 5" inch

    2019-8-24  Dredge Hose: 5" x 20 ft. High Pressure Hose: Single 2" x 84", Twin (2) 2" x 72" Flotation: 4 polyethylene floats 14" X 56" X 88" Air Compressor: T-80 or PCA10; Capacity: Up to 16 cubic yards per hour Weight: Single 300 lbs., Twin 325 lbs.

  • D.I.Y. prospecting mining equipment parts

    2017-2-8  Heckler Fabrication, D.I.Y. Parts supplies for your sluice box needs. Everything needed for modification of your Highbanker, or any other equipment using a sluice box. See our Custom Build page on our site if you want us to custom build one for you.

  • Dredge Power Jet with jet log - Gold Fever Prospecting

    This Jet utilizes a 1.5 inch pressure hose and pump intake coupling. Equips with Keene 4500 model series dredges. 4" Power Jet with 2" Jet Log code: pj42 Made for use with the Keene 4500 model series of dredges, this power jet fits inside of our 4 inch suction hose and has a 4 inch outside diameter. Utilizes a 2 inch pressure hose and coupling.