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My 2 1/2 has a 2 inch opening on the nozzle and on a 1 1/2 hour run I got through about a half yard or a little nmore of fairly loose stuff just long arming it. That was a first time out for running a dredge, and I wasn''t going after it hard, and had a few issues to work on and bugs to try and solve in the field....had to wait till I got home ...
But if id ever do it again I would just get a 3 inch setup, or buy a 4 inch dredge. Im in alaska and spent to much money with shipping on the smaller stuff I always ended up selling and upgrading. 2inch dredges dont work worth a darn, that extra .5 of an inch helps a lot. Make sure your pump has enough pressure to work if your using a different ...
Smaller dredges simply can''t process as much gravel and the larger dredges require more effort to get into those more remote areas where the richer gold deposits are. This is why the 5" dredge size is normally the smallest dredge chosen by the serious prospectors and professional dredgers.
3 Inch Ultra Mini Dredge Our Ultra Dredge series has set the standard for smaller sized dredges! The unmatched performance of these innovative dredge systems are designed for those who like to head out into extremely remote and challenging locations.
Jun 13, 2018· A suction gold dredge is basically an underwater vacuum cleaner. Material is transported from underwater to the surface and run through a sluice box to capture the gold. A sluice box works because gold is 15 times heavier than sand and gravel and so is easily trapped by the riffles and carpet in the sluice box.
DREDGE SUCTION NOZZLES By: Dale Russell Suction nozzles can easily be home made, with some ingenuity a few tools. No matter what size you want to make from 1" up to 6", you can purchase exhaust pipe with that outside diameter (OD) Power jets measure the .
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 ''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.
Inch Ultra Dredges The Keene Ultra Series Dredge has set the standard for smaller size dredge systems. The unmatched performance of this innovative dredge system is designed with challenging and remote locations in mind.
Aug 21, 2012· I picked up this dredge along with a matching highbanker for It has air and came with regulators, mask, expansion tank, some hoses, valves, fittings and spare parts. I had to buy the ...
The gold dredge of today is a truly marvelous piece of mechanism, that will handle over 15,000 yards of material a day; washing, sizing and concentrating it, recovering the gold therefrom, and disposing of the waste or barren gravel, and all of this is accomplished with the labor of only three or four men per shift.
Dec 21, 2012· I have run both an 8 inch large platform dredge and a five inch lightweight dredge made by Bob Dahlke and both were excellent gravel movers. Bob is constantly experimenting with ways to make the riffles more efficient interesting design on this ultra light dredge in the video.
Nov 10, 2017· Testing out our homemade 5 dredge with Gold Hog mats. ... Five Inch Gold Dredge Testing Runs Adrian Johnson. ... 8inch Double Screen Recovery Gold Dredge ...
Dec 25, 2013· Rebuilding a Keene 5 inch triple floating dredge. General. General Board. Archives. Articles. ... in and around the Juneau Alaska area here is stupid question #1 why cant the jet tube be placed anywhere along that 5 inch hos ? ... The way to maximise fine gold recovery with this particular dredge is to make sure the nozzle man does not over ...
Sep 23, 2016· The North Fork Yuba Experience Reed Lukens. Loading... Unsubscribe from Reed Lukens? ... Five Inch Gold Dredge Testing Runs Duration: 14:30. Gold Hog 158,600 views. 14:30.
We have the right equipment at the right price for you! From the lightest, most portable backpack dredge to a fullly equipped 8 inch production system, our experts can analyze your project and your needs to get you set up with the perfect package. Take a look at the wide range of worldclass dredges we offer:
Jul 18, 2009· I just got back from the New 49er claims in on the Klamath in Norcal. It took a while to make it work right but I was able to run my 4 inch dredge. up out of the river. I used a 3 inch semitrash pump to fill a big hole with water. That 3 inch pump can put out a lot of water. I put the dredge .
Power Sluices and Hibankers are available at the bottom of the page scroll down. About Power Sluice / Highbankers: . A power sluice, sometimes called a highbanker or hibanker, is a piece of gold prospecting equipment that uses a pump to force water through a sluice box to mimic the natural flow of a river. Sometimes a hopper box with spray bars and a classifier sieve (or grizzly screen) is ...
SOLD Proline 4 inch gold dredge heavy duty air compressor for two divers. SEE PICTURE ABOVE . New, immaculate condition 2,200. Honda engine. will call in Fresno, Ca or buyer pays freight. SOLD SOLD Lightly used KEENE 4 inch dredge with air, 5HP motor
Each of these factors combine into to the effectiveness of the dredge''s classification. For example, the substantial flow of water to move 5inch sized material over 10 inches of 1/8th inch punch plate does not present much opportunity for minus1/8th material to drop through the screen. So while a separate slowermoving recovery system might ...
Suction Hose for Dredging Clearflow suction hose is perfect for gold dredge suction and other low pressure applications. A smooth interior bore helps to prevent clogs and does not hinder the ...
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 .
Two ProMack 5inch dredges were used to find rich deposits on this river in Cambodia, before a 10inch production dredge was brought on line. As an example of this, a 4inch dredge can effectively sample down to around 4feet deep in hardpacked streambed material).
We use 5, 6, and 7 vane "aggressive bite" impellers with large intake throats to provide high volume with greater working pressure than similar pumps on the market. They are handassembled using US made seals, heavy duty reusable gaskets, and grade 8 hardware.
Test run with djpitr''s mini dredge. Worked some clay bedrock and found some nice pieces. ... DIY PVC 12V Gold Dredge Nozzle 1 1/2 inch, gold sucker, bedrock sniper YouTube ... Want to try your skills in gold panning? If you live in an area that has a stream and had gold rush in the past, it might be something you should consider.
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