Below pic is close up of the schist I have blasted clean & washed out. As you can see in the above pics this bedrock would be under water in a flood & the schist fingers trapping this gold in its cracks & cleverage. The fine gold would have tended to be carried on further down stream in a flood. The gold here was generally of a chunkier, coarse flat nature & not so much fine. The best gold prospecting tool for every season is the one that will find you the most gold In this case, the water levels are just right for me to gold dr. The Secret of Finding Gold Exposed Dryland Dredge Nozzle to find ELDORADO R russau Gold Member 7,020 6,368 St. You will need a big pump to run this thing. The gold in the pan in the above pic is the result from a couple of hours of doing that crevicing & cleaning out of the schist bedrock in the others pics from a river in Central Otago in the south island of NZ. 1 This is my first full run with 4' dryland dredge nozzle. Generally I just shovel straight in to it & hook the motor/pump up to the spray bars. This was the first time I used it with the ply board on the front to take my 2" suction nozzle hose set up. Like the little high banker above & below. I am a fan of making as much of my own gear as possible. Always a pleasure to share what little I know & have learnt from others & also by experiance. The pivoting jet flare and sluice can also be placed on level ground for bank use, utilizing a power jet or suction nozzle. if the dredges hose is like 15 to 20 you may want to go up to a 3 pump or two 2 pumps. may blow gold out The power jet seems to be stronger, but has its drawbacks in shallow applications. suction is produced at the nozzle by the venturi effect. Factory recommended RPM is 1800 5/8' keyway shaft. Power jet for deeper and keeping the nozzle under at all times, the slug of air stops the suction, then when you get it back the action blows through the sluice and disturbs what is in the sluice. The T80 compressors are recommended for shallow diving conditions including dredging. It connects easily to dredge motor to supply hookah breathing system. G'day Hoser John, Yer mate.Kiwi as in NZ (New Zealand) Great site here. The T-80 is a medium-duty oilless diaphragm compressor with pressure relief valve.
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