Has anybody made their own dredge? Gold Refining Sep 22, 2012· it really depends on the size and how much you want to do. ive converted two highbankers to dredges before. if you want to work a small stream (Lets say less than over your head) a 2" pump should work fine. a dredge is basically a floating sluice. suction is produced at the nozzle by the venturi effect. if the dredges hose is like 15' to 20' you may want to go up to a 3" pump or two 2" pumps. the .
Pond dredging with a trash pumpNov 12, 2012· Hello Everyone, My father inlaw wants to deepen his pond and doesn't want to pay for a dragline. His pond isn't very big but has 23 feet of dead organic sludge on the bottom, if you step off the boat you'll be up to your waist in goop.
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Some dredge basics If you are in the... Keene ...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 140foot head lift for a suction nozzle. A power jet can run at a slightly lower head lift at .
Gold Dredge and Highbanker Plans | My Home WorkshopOct 23, 2012· Gold Dredge and Highbanker Plans. Have the inside bent in a U shape so there is 10 inches between the walls. You can build a wider box if you would like, but it will require a larger water flow. To get a good idea of width, look at the dimension of the boxes for the dredges on Keene's website.
Sediment removal pump | DIYDredgeThe dredge DIYDredge is a small compact portable, engine powered, sediment removal pump, providing the ability to excavate and transfer mud sand muck up to 150 m away. The DIYdredger is delivered with a variable mounting, m transparent hose and one Cam Lock coupling.
Gould Engineering Bazooka DredgeNew Life For The Suction Nozzle. The Dredge Suction Hose will attach to the bent or input of the Nozzle. The Log was much longer, so the difference in length will have to be made up by adding a short piece of Suction Hose, with a short piece of pipe to interface with the Flare, that is if your unit has one.
Proline Gold Mining and Prospecting Equipment/Parts and ...The tip smoothly rotates 360 degrees and is equipped with a large handle. Our unique swivel seal is less prone to seizing from sand than other designs. The 3" and larger tips include a high carbon steel wear ring which is spaced out from the nozzle body to increase dredge capacity and to make it easier to remove large rocks from the tip.
Why Are Dredge Sluices So Short? Sluicing, Highbanking ...Apr 12, 2013· Placing a bolt through a nozzle does reduce the volume of material through the dredge by blocking far more rocks from going through the nozzle than it should. Those rocks must be removed from the excavation by hand. Personally, I would never put a bolt through a dredge nozzle. Clogging is a function of operator efficiency.
dredge jets, pump formula and websites? [Archive] AMDS ...The deeper you go or the longer the suction hose, the more power you need. People often ask about running a dredge off an outboard jet pump. That is a super high volume low pressure pump which also acts a bit like a ram jet. The faster you go, the more water gets forced into the pump intake foot.
Homemade Gold Dredge Gold Getter News: My StoryBuilding 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.
Parts List for 4" Subsurface Dredge [Archive] AMDS ...Here is the parts list for a 4" subsurface dredge I built: 118 4" SUBSURFACE DREDGE ( SUCTION NOZZLE ) AMDS Adventure Forum > AMDS Adventure Forum > AMDS Prospecting Forum > Parts ... NOTE: Frame is not included in this price because you will need to build .
Vortxrex Dry Land Gold Dredge The Ultimate Highbanker ...Vortxrex Dry Land Gold Dredge The Ultimate Highbanker. 452 likes. Vortxrex The Ultimate Highbanking Dryland Gold Dredge Nozzles. Now available
Can I just build a dredge out of a trash pump and a sluice ...Jul 18, 2009· I put the dredge in the hole. It is important that only relatively clean water go into the dredge pump so I put the output of the 3 inch pump into a large bucket, the foot valve for the dredge pump goes into the bucket so that it only sucks up clean water. The overflow of the bucket goes into the hole to keep it full for the nozzle.
diagram for building a gold dredge « BINQ MiningA gold dredge is a machine used to extract the much soughtafter mineral from dirt, gravel, . Steps to Take for Building a Homemade Gold Dredge . Gold Machines · Diagram of the Principal of Dredge Operations · . »More detailed
Building a small dredge | Gold Dredging ForumNov 15, 2008· From: russ39 Sent: 27/10/2008 11:26 hi guys, New Chinese motor and pump owner it out today with little success,primed it up and away we go,but it doesn't only pump if sitting in the hose appears moment you lift it higher than water level looses its front gaskets appear OK so is it possible to suck air through the back of pump?is so any ...
» Doublescreen Classification System in DredgingI am not sure what the exact formula is, but I know from long experience that every inch you lift the feed of a suction dredge above the surface of the water, you lose a considerable amount of suctionpower at the dredge nozzle. Therefore, since we have to accomplish both classification and gold recovery from a feed that can only be effectively lifted about 4to6 inches above the surface, our options are pretty .
build gold suction dredge australia BINQ MiningHow To Build Your Own Home Made Gold Dredge Jun 13, 2007 · For those who might ask, a suction gold dredge is basically a device which is designed to suck gravel underwater from the bottom of a river, .
diy dredge dredging yourself is fundiy dredgehow to make your own vacuum dredge nozzle . DIYDredge | Dredging yourself is funDIYDredge. The DIYDredge is a compact, highly portable, gasoline engine powered, sediment Our suction dredger is .
how to make a homemade dredge pumpThe actual lift will be from the nozzle end of the dredgehose to the exit port of the .... They make the jet variable so it can be adjusted to the flow of the pump and... gold mining hand suction stick plans. hand held mining drege, hand pump dredgefor ..,Hand Gold Dredge | Gold ...
Build Your Own Gold Prospecting Equipment PlansCut some hardware cloth of whatever mesh you want to the same diameter as your plastic pipe. Heat the bottom end of the pipe on an old hot plate or wood stove. When the plastic starts to melt, take it off and set it on the wire cloth. The plastic will solidify and "weld" the screen to the bottom of the pipe.
RohrIdreco Jet Cutter Suction Dredges | Dredging SystemsThe RISDM is a highly efficient mobile, nonpropelled, electric or diesel electric jet suction dredge that utilizes high pressure water coming out of eight (8) jet nozzles at up to 262 PSI (18 bar) pressure for breaking up of hard layers of material including clay, which are sucked up through the suction mouth behind the jet head.
InfinityCouple jet GOLD PROSPECTING Nugget Shooter ForumsJun 09, 2015· In my opinion, if you have the option of an Ijet with a trash pump or a Dredge pump with a standard dredge nozzle, the IJet is the way to go. The pumps are cheaper and more readily available, you can move almost 3 times as much product for the same gas spent running and if you can get a working nozzle, you'll have almost 1/3 the start up cost.
gold dredge powerjet bilding Suction Gold Dredge Operation Components. A suction gold dredge is basically an underwater vacuum cleaner. ... The most common device is the power jet, which is installed in between the sluice box ... for a type of commonly used in building entryways that looks like pressed spaghetti.