This part of the process is exactly the same idea as used for many decades when the old time prospectors chopped down trees at the side of the creek and built a sluice box by hand. When the gravel passes through the hopper it will fall down into the sluice box that is fitted with riffles that are underlain with carpet or miners moss. Since the machines are fitted with 5 inch hoses they will handle large volumes of gravel continually. Some of the machines come equipped with up to 5.5 horsepower Honda motors which are very efficient and very reliable. The hopper will be fitted with spray bars that direct a high volume of water at the roots and rocks thus washing off any clay bearing gold that may be adhering to it. Fitted inside the hopper there are two or three or more rods called the grizzly that help to direct the big stuff. The machines are fitted with a removable hopper to allow it to be operated simply as a dredge without it, or with it attached it will allow the larger rocks and roots and debris to be screened out before falling into the sluice. Depending upon the size of the intake hose, from one to three people will feed the gravel into the box where it mixes with the water.Ĭlick graphics for more information and prices. As a rule, the machine is set up near the water supply. Hi banking simply means that the dredge need not be floating on the surface of the creek. If you are considering doing so you need to choose between the dredge you employ to extract gold from between the rocks and gravel lying on the river bed or electing to do the high banking method. Many gold prospectors today are electing to go with the portable dredge. Gold mining equipment comes in so many shapes and sizes that selecting the right type becomes a real challenge. Use a Gold Dredge on Your Gold Mining Claims and Reap The Rewards
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