2 Powerful Backpack Dredges For Ultimate Portability & Power
4 Components Of A Backback Dredge: Portable Sluice Box: An aluminum sluice short enough to carry by backpack. Riffles and carpet: Riffles and carpeting are essential to collecting gold particles. Pump: Many backpack dredges come with a small pump, such as a 90 GPM 2.5 HP engine. You can carry the pump by hand or configure it …
Suction Gold Dredge Basics
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. Dredges almost always need to be mounted on a set of …
Plan and design your own home made suction dredge …
Sluice Box: A sluice box is probably the biggest and most important thing that you can make for yourself on a dredge. It's an key and critical item - hey, if your sluice box doesn't capture the gold, then your whole dredge …
highbanker water flow
So option #1 is a string & a 2" string level. Rap the string around a rock, rap it around the top of the sluice. Hook the string level on the string. Now with the string around the top of your hand, go to the bottom of the sluice. If you have a 48" sluice then use your 4" wide hand as a measuring tape.
Sluice Fox Pocket Gold Sluice Box
At 12" total length, this miniature aluminum sluice box is the most portable of all effective gold sluice boxes. Total dimensions: 12" long, 3.5" wide, 1.5" wall height. Weight:0.75 Lbs ; Features expanded aluminum metal alloy over miner's moss or v-trap sluice box matting (both matting choices included).
4 Dredge Instructions
Move the sluice Box forward to increase or backward tof e c the recovery of values. If the sluice does not have enough unwanted excess material. Too much angle will cause the …
X-Stream Hybrid Pro Hand Dredge Hand Dredge + Boomer Box
About this item. X-Stream Hybrid Pro Hand Dredge + Boomer Box is designed to work creeks and streams. Boomer Header Box is 10 inches wide and attaches to a 10 inch wide sluice you already own (you may need to drill holes in the sluice). 36 inch long Hand Dredge reaches the gold from cracks and crevices in rocks and behind boulders.
Homemade 2 1/2 inch gold dredge...
I used my old Keene Sluice, that is about 25 years old, and made the dredge and high banker around it. The frame on the dredge is all aluminum exept for the venturi (prolinemining) and the flair, that my millwright made from steel. The floats are 4 pepsi …
Water Board Explores Suction Dredge Mining in Wild Rivers
The vacuumed material flows out over a sluice box where the heavier gold is sorted out and the remaining gravel and sediment flows back into the river. But the sluice box discharge also includes toxic mercury from historic mining operations. Two scientific studies conducted by federal and state agencies of suction dredge mining on the South ...
4 Tips to Creating Your Own Gold Dredge
The sluice box. The sluice box is the main attraction at your Cirque du Dredge and it will take some soldering experience to get it right. You will need to solder …
» The Size of Riffles
The nozzle-restriction will allow a 4.5-inch rock to be sucked up into the sluice box. And there must be enough water-flow through the sluice to keep the 4.5-inch rocks, and everything else that is being sucked up, flowing through and out as tailings. Otherwise, the material will build up on the dredge and sink it in very short order!
Some dredge basics
One of the most frequent issues is mismatched sluice box size to the actual dredge size. 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 ...
Small Scale Mining Permits FAQs | Idaho Department of Water Resources
Small scale mining is the use of any equipment to dig, scrape, dredge, or otherwise move streambed materials from below the ordinary high watermark in search of minerals. The use of such equipment is limited to: suction dredges having power sources (motors or engines) rated at 15 horsepower (HP) or less, and. non-powered sluice …
Can I just build a dredge out of a trash pump and a sluice box?
The overflow of the bucket goes into the hole to keep it full for the nozzle. After some trial and error I make it work pretty well. In order to do this you need a pretty big …
» Setting the Proper Water Velocity Through a Sluice Box
Le Trap Sluice. As a general rule, the optimum slope-setting of a sluice is around one inch of drop per linear foot of box. This can change, depending upon the volume and velocity of water being used, and/or the average shape, size, volume or weight (specific gravity) of material that you are processing. There is no exact formula for setting ...
Emily Riedel's Guide to Building a Bering Sea Gold …
The box needs to be long enough. Ours 10 x 4.' making it a good box size for an 8″ dredge, but I'd like 12+ feet for a 10″ dredge. You need to have miners moss under riffles (we use expanded metal) under …
48" Complete Highbanker Kit with Hopper Box, Stand, Hoses, …
Hopper Dredge Box: Aluminum hopper box with grizzly bars is 14" x 14" x 10" deep and has a 2" dredge inlet, a spray bar with built-in adjustable water flow and pressure port controls. Unique elongated 45 degree z-riffles are great for trapping gold. In the bottom of the sluice is 12 inches of black ribbed matting for fast gold ID, followed by ...
HIGH BANKER SLUICE CONVERSION KIT Assembly
trough extension which is used to extend the A52 sluice box. Bolt the sluice box to the hopper with the provided 1/4 inch nut, bolt and washers. An applcation of a light bead of silicone sealer along the edges will provide a better seal. Connects to pressure hose from water pump. Connects to garden hose for washing out the sluice box and cracks ...
Some dredge basics
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 …
2.5 DREDGE ASSEMBLY INSTRUCTIONS
extension which is used to extend the A52 sluice box. Bolt the sluice box to the hopper with the provided 1/4 inch nut, bolt and washers. An applcation of a light bead of silicone …
Gold Dredge Equipment + Prospecting FAQs & 11 …
The material is then run through a sluice box which captures the gold particles. Power Jet Dredge. A power jet dredge is a suction dredge that uses high-pressure water jets to wash gold-bearing material …
4505 Series 4 Inch Dredge Assembly Instructions
Side view of 3 stage sluice box Three Stage Sluice Instructions The 3 stage sluice box requires more water than a normal sluice box to operate correctly.We recommend that the engine be ran at least 2/3rds. throttle or higher. If the engine operates too slow the riffles may become overloaded and a loss of fine gold will occur.
8 Inch Diamond and Gold Dredge |
Dredge comes with 30 feet of 8 inch suction hose. The key to recovering diamonds is keeping the sluice box clean of compacted material and the riffles working correctly. This dredge is equipped with a secondary dredge system that vacuums the concentrates from the sluice box while the dredge is in operation.
MINI MAX! |
This package includes a removable mat for the lower sluice box converting into professional clean up machine (by sliding out the green rubber riffle and ... The Mini Max power sluice Dredge conversion hopper is equipped 2 inch dredge header box that feeds over a 8 inch slick plate then over a 14 inch long 1/4 inch woven wire classifier. The ...
Dredge Sluice Boxes: Online
6 Inch 3 Stage Sluice Extended. $5,150.00. Quick View. 6 Inch Max Single Sluice Box. $2,365.00. Quick View. 6 Inch Supermax Side Box. $715.00. Quick View.
Flared sluice?
Spartan dredge sluice box ... The gold needs to go deep into the traps to keep larger rocks from displacing it all the way out of the box. I see no need to go with a flared box, it's the traps being used that counts. Once a box is fine tuned by setting the pitch, the water flow, and the material rate of feed has been established ( the box needs ...
Sluice Boxes
These are inexpensive add-ons that make sluicing for gold much easier and more productive too. Micro Vortex Mini Pocket Sluice (dream mat) 34-1/2" Aluminum Sluice Box with Matting. Regular price: $129.00. Sale price: 36" Light Weight Sluice Box w/ Shoulder Strap. Regular price: $99.00.
Homemade Gold Dredge Plans Free | PDF | Gold Mining
A highbanker is basically a sluice box with If you are seriously considering building your own dredge, check out my page: There has been little serious advancement in sluice box technology since they were first created. Free Plans to design and build your own dredge, sluice, dry washer gold Prospecting Equipment. The thicker the pipe wall, the ...
Homemade Portable Gold Mining Trommel | Hackaday
The rig weighs about 240 pounds dry, and 265 when soaking wet with a sluice box attached. The rubber tires allow for the machine to be maneuvered from place to place without much hassle.
Mini-Max Trommel Wash Plant
The included sluice box gold recovery system measures in at 72 inches long by 12 inch wide and is more than adequate at keeping up with the feed rate associated with this Trommel Wash Plant. Standard riffle design is a "70/30" mix of 3# Gratex (large expanded) and Hungarian style riffles that have varied spacing and angles to ensure great ...