Gold can hide down in the deepest part of a crack or crevice or behind a boulder and often is best reached with a hand pump, also called a "sucker gun" or suction gun. If you've found a rich spot that is hard to access, a hand dredge is what you need. This gold prospecting tool is ideal for working below the water line and since it is non-motorized, it can be used in areas where power equipment is prohibited. Since this is the most popular and well developed suction pump in the world, several essential features of the X-Stream are proprietary. Examples of this are the patented valve system that reduces clogging and allows the user to replace the diaphragm flappers (if needed).In addition, the leather cups are cut 1/16th less than the diameter of the plunger tube, which allows the cups to absorb water and swell to make a tight seal that is self-lubricated by the water. For these reasons and more, it would be impossible to build one without this DIY kit. The instructions in this kit also allow you to customize the length of your pump. Recent improvements have been made to the lid. Instead of connecting the ingress adapter to the center hole, it's now attached to the outer hole. This results in better connection as well as improving control and balance of the bucket. You will need basic carpentry tools, safety glasses, a place to work. This item is in the category "Collectibles\Science & Medicine (1930-Now)\Mining\Equipment".
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