There is no reason to pay for a big, heavy pump, when the idea is to keep the size and weight down in the first place. To this day, the HP300 is the only pump on the market designed specifically for 3" dredges.
Another unique feature of this dredge is the pump. It sits on its own frame with pontoons that were matched to its size and weight. This dredge was designed to be smaller and lighter than our 4" dredge, without sacrificing strength or stability. When we originally designed the Proline 3" dredge, we set out to build a machine that we felt addressed most of the problems associated with this dredge size.īefore its arrival most 3" dredges were essentially the same size as their 4"counterparts because they used the same pontoons, frame, pump, etc. If you want to learn more about how suction dredges work and how they find gold, check out our infographic below.3" Dredge Years of Trouble-free service with unmatched performance It also requires a large investment upfront, with the cost of equipment averaging several thousand dollars. The process involves hauling heavy equipment, lifting and moving stones too wide for the suction nozzle, fighting against the water’s current, and lots of swimming.
While it may sound easy, suction dredging is much more difficult than vacuuming coins out of your couch cushions (or gold flakes out of your carpeting). In a way, the process is like a combination of the best parts of gold panning and gold dredging. These materials pass into a floating sluice, which filters and recovers the gold. It sucks up rocks, gravel, silt, and anything else at the bottom of a streambed using a gas-powered pump and suction hose. For the amateur prospector who wants to take their hobby to the next level but doesn’t want to work in a mine, upgrading to suction dredge can be a great way to find more gold while still enjoying the great outdoors.Ī suction dredge essentially works like a heavy-duty underwater vacuum cleaner.
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