Found this on ebay, cool concept, Getting into the crevices

[Jason in Enid]

Been wondering something for a few days. Since I haven't even used a dredge yet, Going to get one next Saturday, its probably a dumb idea, I just don't know why. A pressure washer wand run along side the nozzle with the tip slightly aimed towards the nozzle opening. The smaller ones are light and worked with a dredge highbanker it would be practically weightless, just the hose, wand and tip.

Are you talking about setting up a second motor/pressure washer on the dredge? If you are talking about using a PW wand as your blaster nozzle, you are cutting your flow too much. All hoses have a "friction loss" coefficient which increases exponentially as the hose gets smaller. This means that you need the hose to the blaster tip as large as possible.

 

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[G1sammons]

Been wondering something for a few days. Since I haven't even used a dredge yet, Going to get one next Saturday, its probably a dumb idea, I just don't know why. A pressure washer wand run along side the nozzle with the tip slightly aimed towards the nozzle opening. The smaller ones are light and worked with a dredge highbanker it would be practically weightless, just the hose, wand and tip.

Massive over kill the presure in most casses is to much waaayyyy too much . And all that presure blows you all over the place hell a blaster nozzle blow ya all over the presure washer is like tiring a jet pack to ya .. Ohh by the way I tried it ...

If you could find away to hold yourself steady it would be a great aid when trying to break up con created gravels ... IF ... I had 60 lbs on me and there's was no hope ...I was all over the place but then I also had a 6 gpm at 4000 psi and I could not turn it down

 

[omnicron]

Been wondering something for a few days. Since I haven't even used a dredge yet, Going to get one next Saturday, its probably a dumb idea, I just don't know why. A pressure washer wand run along side the nozzle with the tip slightly aimed towards the nozzle opening. The smaller ones are light and worked with a dredge highbanker it would be practically weightless, just the hose, wand and tip.

Your best bet is a blaster nozzle. For less then $30 bucks including the garden hose you can build one or buy one already built.



What I like about this one that I built is the tip is changeable to a longer one if needed. I can also use it to scrap, tap or pry hardpack or bedrock. It cost less then $15 to build and should last a life time. I have another one that came with the dredge but it kind of sucked in that you had to push it sideways for it to work and after sometime my hand started cramping. No need of a pressure washer.

 

[Hoser John]

This is a 4" necked to a 2 1/2",just screw crevice sucker hose into hole a turn or 2 but MUST have them holes there or dredge box does not have enough water to run and leaves a pile/mess that blows out gold when sucker removed and massive influx hits. What's great about using these self sealing pipe couplers is it just slips right on your dredge nozzle a couple a inches and off you go in 2 seconds flat.Same with removal when done and you can go down to any size you want BUT smaller requires more holes to prevent pump cavitation also---John

 

[panningjack]

Here's my nozzle reducer

 

[Hoser John]

Your still dealing with a trying to cram a bigger nozzle down a smaller hole and does not address the lack of water to the box problem at all. Ifn' ya ain't a blastn' your jus' a mutzn' and a putzn' at 1/2 speed--John