Customer testimonial.......I own one of these sluice boxes and can say it is the finest piece of mining equipment on the market today. Grumpyprospector is going to take the mining industry to a new level with clean Gold collection.......no mercury or acids needed to collect all the fine gold with no black sands or panning at the end of your run. By far and above the easiest sluice I've ever used.
This is very clever. I think having a perfectly smooth bed to the riffle holds the idea back a little with the very ultra fine gold, but that would be easy to change. The design forces even the particles that float to go underwater. Its solid thinking.
I ordered a double trap system, I can't wait to try it, it sure looks amazing, all the other sluices I've looked at require tedeous cleanups and more panning afterwords too. This system looks like theres hardly any work afterwords, and you can see the results right away. I think you have a great product, I wish you good luck on your sales of your products, looks like you've thought this out, Thanks, Darin
I have never seen any thing like this in my life!!! but then started thinking... This is the basic design of a waterfall.. So simple so basic.. and here it is !! Good job !! I have to make one of these !!
The level of customer service I received was outstanding!! Thank you for listening to me talk about finding gold in Louisiana and not thinking I was crazy,please see the attached picture. As I told you it is super fine and impossible to separate by panning.The dust shown in the the vial is from running for 2 hours(about 1 gallon of cons.)with my new Underflow Mini. Turns out I did prove that there is gold in central Louisiana! You just have to look in the right place.
Thanks for your comments. The UnderFlow is truly a game changer in precious metals mining. Yes, it works on gem stones, too. Each UnderFlow sluice is built by hand to our strict specifications so they last. It may be the last piece of mining equipment you ever have to buy......until you need a larger one like you said. We are excited to offer the best piece of mining equipment available to the public. Thanks for your business and your time. Good luck with your prospecting!!!!
Quote: " Life is like riding a bike. You can be given a tool! --- But it takes personal skill, talent, and understanding by the user, to have it perform as it is designed to do." One last thought: Make sure you have real Gold, if so, this system will capture it.
I recently bought the mini underflow sluice box 2' x 5". I am using a 600 gph pump.. It says to use 325 gph.I will tell you even with that much flow going through the fine gold still stays in the trap. I'm telling you the truth.. I am very happy with my purchase and will be ordering a lot larger underflow..I am not skilled at using the underflow but I even have gold showing..XGrumpyProspector you have a great design.Thank you.From the goldprospector38..From Port Alberni British Columbia Canada..
Good demonstration. Looking at the principle of operation, you could probably use a funnel feeding a domestic 2" P, S or Q trap to clean yours cons. (obviously with a safety pan)
Just search; Placer mining in Oregon, and You will find some good trails to follow. I tried L.A. and moved back almost immediatly. Nothing beats the Colorado Rockies in a small town. Plenty of sunshine too!
The concept is good, have not seen it before. What I would like to see is concentrates going into it, as in over 50% black sand. Often you can get a handful of black sand in a single panning. Please dump in a pint of mostly black sand concentrates with gold being the same size grains or smaller. If you have lets say 2 grams of gold in a pint of black sand, pour it through, and get 98% of the gold in the trap with less than 10% black sand, I am sold.
Oregon has many good areas to prospect, SW OR is very well known for it's gold mining and eastern Oregon also has a very rich gold mining history. Good luck
I will upload a video showing exactly what you have described very soon. We will be uploading new videos showing new models and designs of the UnderFlow Sluice in the very near future. We are changing the way people mine Gold around the world. Fine Gold capture has never been so easy. A skilled operator can easily capture the fine Gold flushed out by traditional sluice boxes. No need for rubber matting or miners moss or any consumable materials. No panning at the end of your run, either.
It is a System, with many sizes, attachments, and overall Gold collecting purposes. For the Miner to CHOOSE what setup will work best for what your Gold collecting needs are to be. Pricing goes from $100+ to custom built large commercial for thousands.
I bought the mini underflow sluice 2'x5".It's say to use a 325gph pump.I'm using a 600gph pump, even with that much water flow going through the sluice I have fine gold staying in the trap.It's all in the way you work the gates.The angle of the sluice box.I had material that I ran through the underflow and had very very fine gold showing and fine gold showing.I used a jewelers loop to see the very very fine gold.I wanted to put this design to the test.Well it passed for me with flying colours.
I'll post another video demonstrating the drop in Gold. For instance, just because fine earthly dust exits, does not mean even the finest of Gold is. Dirt and Dust is far lighter than the Gold. I have extensively tested this prior to posting, & no reason to capture fine dirt that contains no Gold particulate? Right? Thanks for comment, I appreciate everyones comments and for paying such close attention to details, Thanks Grumpy Prospector
A good old fashion drop riffle is fine. The real test is re-running dirt. If you can do that without finding more gold then you don't need a better sluice.
yes, I too noticed tons of material escaping out the sides! Great Idea, just work out that issue of how to stop the small dirt from escaping.I ll keep following Jon
simple as that very nice some have water spiral and pan looked like they were complicated setup yours is 100% better simple over flow with divider wall slight angle for water flow
A huge benefit you're neglecting to point out is that your breaking surface tension. Watch any of the gold cube videos for an explanation of how that works.
Here's the DEAL: Since you prefer to bash a product you cannot properly use. I ask you to send me a sample (one 5 gal bucket of your beach material) from the exact site you claim the system will not work.( I WILL PAY FOR the shipping cost) I will run your stuff, video the event in live action, & post it for all to see on youtube. If you have Gold I will capture it effectivly. Please send back the unit, If you couldnt afford it, you should not have purchased it! I will reimburse you for the cost
not alot. i am in gresham and the only place i have found anything is traveling south. little north fork on the santiam in marion county will produce small amounts of gold or you can travel a little further south to quartzville creek near sweet home and albany and find some but i have not had any luck near protland. you should go to the prospecting store on division called dk nugget and talk to the guys there
i have been gold panning for 20 years. i started when i was 5 i am 25 now. i think i can handle a pan good enough to not loose any gold and do it quickly
We set up a 5 gallon bucket off the end of the sluice and pan through the material to see if any made it through. If you see fine flour, re classify and re run your material at a lower water pressure. You can get near 100% recovery. -350 mesh is easy......-500 mesh and smaller requires a bit of knowledge and patience. You can get it all if you have the time. Our sluice is superior to any other design out there.
I would suggest making a 2nd layer insert with this system so that when the material is gone it’s quick and easy to lift the insert, slide the side and remove the gold, than you are ready to go again in no time
The gate is fully adjustable. You can move it up or down and also from side to side so you can focus the water pressure in the trap blowing out all unwanted black sand and debris. You can dial in the sluice box and get all the control you need to get nothing but clean Gold. It works just like you see on the videos. Be sure to check out all the different sizes and types of sluices we offer on our products page at grumpyprospector d 0T c 0m.
Hey, I will be in Ecuador & Chile from Early November to May to sell all over South America. If you would like one sooner, I shipped a 3 foot long highbanker style to Chile for around 100 US Dollar & it took about 11 days in shipping.
Not without keeping all of the black sand. Most gemstones have a specific gravity less than black sand, but you should be able to tune it to keep most metals. Google "gemselect Specific Gravity Chart" Probably quicker to look for ruby with a UV light anyway.
I am looking forward to even more gold from the same source.Thank you for re-inventing the age old sluice,it really does exactly as it is advertised. Frank Rowland Somewhere in Louisiana A Very Satisfied Customer
Here I posted above, a comment from a Prospector (Frank) that had purchased the exact system & from the same production timeframe. Where he,(as many other buyers), have entirely different productive results? Why is this? Because the system truly works in the hands of adept individual. This video was filmed with a hand held Canon Camera, with no special magic going on. What you see is real live footage - of a system when opperated reasonably properly will produce the same results.
I dont know how many of them you will sell but if I was where I could go and find gold I would buy a couple, good Idea. Hope you have applied for a patent.
This looks great, hows it handle black sands, I like the concept with inline classifier ,like a bazooka gold trap, springs coming how does one email you?
Why all the loud music I really enjoy your work and wold like to see where the gate is on the sluice box L assume it is at the top of the sluice but how is it attached to the box and would you need such a long box if the gold is in the first three riffles and was fronted with a magnet. Thanks for hearing me
Hello again, so how do I find this underflow sluice and how much? We found 70,100 and 100+ mesh gold in Idaho springs and we had more 100+ mesh gold great color. I guess my question is would this underflow push it out or would it recover it? Whats our chance of a meet up or maybe you could demo it at our first coloradopirateminers club meeting in september. Thanks for all these great videos Kris Meese.
looks interesting , but missing a lot . 1st when was the last time my concentrates were void of any black sands - never . 2nd less of an issue , because this looks , but using microscope to look for any gold that may have made it through the system .
Great idea but unfortunately not pratical out in the wild. This would be more for a clean up station. In the wild, you would have to wait for that to clear, otherwise it looks like it would build up too quickly and never make it under then creating a dam.
both may help but that looked to contain about 10 grams of gold. It took about 3:45 seconds to refine it. With a gold pan you can do that in easily 30 seconds.
The point in sluices is not that each riffle works faster than a guy panning. It is that the sluice does the panning work for you while also having lots of riffles for catchment. There are a lot of factors, but sluices are about larger volume and this demonstration is just one simple riffle.
Another great design discovery, but a "machine" it is not as far as I could see. What was the inspiration, a house roof gutter? With a few more videos of this thing in operation most prospectors will be making their own for sure, just like the $400 spiral wheel ripoff, a great design but ripoff price. In any case, thanks for the inspiration.
$20 was what the guy commenting posted below. The metal I use is more than that not including the other parts & materials used. Prices varry from the mini 2' long I construct , to the commercial systems as large as 10 feet wide. I have a website showing all my small miner Sluices. And commercial are by special contact.
The pics of a orrpiallage(prob mispelt) they have a split feed so would cause a vacuum on other side of the gate ,if added airator block well before the trap and used a separate feed behind the gate to cause a better vacuum ,what would happen ? Could you enlarge the trap to run more material through it ? Best ask ones who would test the idea thoroughly
You claim this to be a fast way to get the gold? It looks more like a cleanup tool to me, in the video you can watch the underflow riffle being lowered slowly. I bet a few larger rocks would kick the gold right out. It looks like you used chunky gold and play sand for the test. How us it operation with continuous shoveling and black sand in the sluice. Seems almost like a time wasting sluice that's not worth the money and will loose gold under field conditions.
WHYWHYWHY and mom have a very very good time to get the job of your great friends too much fun with you and a nice time to do it for a great night thanks for
Hi! My name is Johann, I'm little older then 13, Im only 65. The small gold washing machine, can I buy the machine somewhere? or do you build the machine yourself? I like this washing machine very much. Please respond!
Hi Johann, Thank you for your interest in the Underflow Technology. You can go to our website Grumpyprospector Dot com and click on the tab that says shop products to see the different sizes and designs we build. If you have additional questions your welcome to contact us via email or phone.
hi i am interested in building one of those, I'd have the measurements? because I think the shipping to Argentina I would come out a little expensive or you could give me a quote with shipping included?
Are youall sure it works on beach sand because that's the main reason I'd like to have one. If its no good on beach sand I can't use it. Please help me with this one?
Timelaps? The cut in filming was due to the fact I filmed this with a hand held Cannon camera. In which did not do well on batteries life when filming in video mode. Also just a couple lengthy minutes of video could max out a SD card. Unfortunatly these two facts caused me at times to add new batteries or sd card while filming. Bummer, they were uncontroled stops in filming. Nothing more than a quick change of battery or card and I resumed the video. In live action.
hello GrumpyP, i like what i see on the underflow system it shows me clearly that i want a system like this how did you make the flow so evenly or at a speed where it worked perfectly well non the less i mostly like to see it in action to watch how it separates right before your eyes im sure it does the same with flower gold , well and easy 3 words ? I WANT IT LOL how can i get a see thru sluice to do my concentrates do you have or do i need to build one you can reach me here or at my email
Yep, it's just a piece of metal that will cost to make around maybe 20 bucks Tops. I ain't paying hundreds for it. Its all good if you don't agree but too much money to pay for.
Question: Can the gold be displaced if the flow of water going through the trap is to great or what I'm saying is could the helical flow of the water at a faster flowing rate cause the gold to come out of the trap. or is the flow controllable.
It will work. You can send me some of your beach sand. I will throw my gold into it and show you my gold plus whatever is in your beach sand and I'll post it on TH-cam. This sluice box is going to change placer and hard rock mining forever. Anybody that says otherwise doesn't have their box set up properly or know how to use the gates......or there isn't any gold in their material. The UnderFlow Sluice is a superior device for gathering clean gold. Check out my video on this fine sluice.
No water is wasted as this is a recirculation set up. All the water goes back into a tub and is reused over and over again. We also have sluice boxes that you can run by laying in the natural flow of a creek. Check out our products at grumpyprospector d0 t c 0m. Thanks for watching!!
My opinion is as a final step to recover your gold from processed dirt,its great. But as for feeding shovels into a river sluice or high banker set up of this,its a massive FAIL as one can't be fiddling with them things in the underflow whilst adding shovels of dirt into it!
I am not skilled at using the underflow.I was expecting it not to work at all.Well it has sold me on buying another one but bigger than I have purchased much bigger.It took me a little while to get it set up and run properly.It works great with all precious metals and gems.I'm not the type to brag about anything, this I will.No gimmick no scam no bull shit. I didn't fined it very over priced at all.Price out the materials and you'll see it's worth the money.It will pay its self off soon..
Thanks for watching my videos. UnderFlow sluice side plates are aluminum and come with a window in the trap section so you can watch your material process. You can order one from our website grumpyprospector d 0T c0 m. Just click on the products tab and look at all the different sizes and styles of sluices we offer. Ask questions if you have them. You can contact us any time at grumpyprospector @ live d 0T c0 m. Thanks for your interest in the UnderFlow Sluice!!
This dont matter but, Where are you from? I will help those that desire to construct one for their own. Within reason of my ability to find the extra time. Aside from producing & helping the public get more Gold. I put much energy and time into fine tuning all development for what is next for Clean Gold Capture & the UnderFlow Design.
Customer testimonial.......I own one of these sluice boxes and can say it is the finest piece of mining equipment on the market today. Grumpyprospector is going to take the mining industry to a new level with clean Gold collection.......no mercury or acids needed to collect all the fine gold with no black sands or panning at the end of your run. By far and above the easiest sluice I've ever used.
11 years ago how do we get one in 2024
This is very clever. I think having a perfectly smooth bed to the riffle holds the idea back a little with the very ultra fine gold, but that would be easy to change. The design forces even the particles that float to go underwater. Its solid thinking.
I ordered a double trap system, I can't wait to try it, it sure looks amazing, all the other sluices I've looked at require tedeous cleanups and more panning afterwords too. This system looks like theres hardly any work afterwords, and you can see the results right away. I think you have a great product, I wish you good luck on your sales of your products, looks like you've thought this out, Thanks,
Darin
I have never seen any thing like this in my life!!! but then started thinking... This is the basic design of a waterfall.. So simple so basic.. and here it is !! Good job !! I have to make one of these !!
The level of customer service I received was outstanding!! Thank you for listening to me talk about finding gold in Louisiana and not thinking I was crazy,please see the attached picture. As I told you it is super fine and impossible to separate by panning.The dust shown in the the vial is from running for 2 hours(about 1 gallon of cons.)with my new Underflow Mini. Turns out I did prove that there is gold in central Louisiana! You just have to look in the right place.
Thanks for your comments. The UnderFlow is truly a game changer in precious metals mining. Yes, it works on gem stones, too. Each UnderFlow sluice is built by hand to our strict specifications so they last. It may be the last piece of mining equipment you ever have to buy......until you need a larger one like you said. We are excited to offer the best piece of mining equipment available to the public. Thanks for your business and your time. Good luck with your prospecting!!!!
Im surprised they dont make more of these , it works like magic . great job, keep rockn brother
Quote: " Life is like riding a bike. You can be given a tool! --- But it takes personal skill, talent, and understanding by the user, to have it perform as it is designed to do."
One last thought: Make sure you have real Gold, if so, this system will capture it.
Looks really clever and seems to work fast. I want one too!
Good demo, also really illustrates how gold naturally settles in the river.
I recently bought the mini underflow sluice box 2' x 5". I am using a 600 gph pump.. It says to use 325 gph.I will tell you even with that much flow going through the fine gold still stays in the trap. I'm telling you the truth.. I am very happy with my purchase and will be ordering a lot larger underflow..I am not skilled at using the underflow but I even have gold showing..XGrumpyProspector you have a great design.Thank you.From the goldprospector38..From Port Alberni British Columbia Canada..
Good demonstration. Looking at the principle of operation, you could probably use a funnel feeding a domestic 2" P, S or Q trap to clean yours cons. (obviously with a safety pan)
Just search; Placer mining in Oregon, and You will find some good trails to follow.
I tried L.A. and moved back almost immediatly. Nothing beats the Colorado Rockies in a small town. Plenty of sunshine too!
The concept is good, have not seen it before. What I would like to see is concentrates going into it, as in over 50% black sand. Often you can get a handful of black sand in a single panning. Please dump in a pint of mostly black sand concentrates with gold being the same size grains or smaller. If you have lets say 2 grams of gold in a pint of black sand, pour it through, and get 98% of the gold in the trap with less than 10% black sand, I am sold.
Beautiful!
Hey Mike, good to know you are coming to South America soon. Good luck.
Oregon has many good areas to prospect, SW OR is very well known for it's gold mining and eastern Oregon also has a very rich gold mining history.
Good luck
I will upload a video showing exactly what you have described very soon. We will be uploading new videos showing new models and designs of the UnderFlow Sluice in the very near future. We are changing the way people mine Gold around the world. Fine Gold capture has never been so easy. A skilled operator can easily capture the fine Gold flushed out by traditional sluice boxes. No need for rubber matting or miners moss or any consumable materials. No panning at the end of your run, either.
It is a System, with many sizes, attachments, and overall Gold collecting purposes. For the Miner to CHOOSE what setup will work best for what your Gold collecting needs are to be.
Pricing goes from $100+ to custom built large commercial for thousands.
I bought the mini underflow sluice 2'x5".It's say to use a 325gph pump.I'm using a 600gph pump, even with that much water flow going through the sluice I have fine gold staying in the trap.It's all in the way you work the gates.The angle of the sluice box.I had material that I ran through the underflow and had very very fine gold showing and fine gold showing.I used a jewelers loop to see the very very fine gold.I wanted to put this design to the test.Well it passed for me with flying colours.
I'll post another video demonstrating the drop in Gold.
For instance, just because fine earthly dust exits, does not mean even the finest of Gold is.
Dirt and Dust is far lighter than the Gold. I have extensively tested this prior to posting, & no reason to capture fine dirt that contains no Gold particulate? Right?
Thanks for comment, I appreciate everyones comments and for paying such close attention to details, Thanks
Grumpy Prospector
A good old fashion drop riffle is fine. The real test is re-running dirt. If you can do that without finding more gold then you don't need a better sluice.
yes, I too noticed tons of material escaping out the sides! Great Idea, just work out that issue of how to stop the small dirt from escaping.I ll keep following Jon
simple as that very nice some have water spiral and pan looked like they were complicated setup yours is 100% better simple over flow with divider wall slight angle for water flow
A huge benefit you're neglecting to point out is that your breaking surface tension. Watch any of the gold cube videos for an explanation of how that works.
Here's the DEAL: Since you prefer to bash a product you cannot properly use. I ask you to send me a sample (one 5 gal bucket of your beach material) from the exact site you claim the system will not work.( I WILL PAY FOR the shipping cost) I will run your stuff, video the event in live action, & post it for all to see on youtube. If you have Gold I will capture it effectivly.
Please send back the unit, If you couldnt afford it, you should not have purchased it! I will reimburse you for the cost
I have one and it works wonderful
Awesome system !!!
not alot. i am in gresham and the only place i have found anything is traveling south. little north fork on the santiam in marion county will produce small amounts of gold or you can travel a little further south to quartzville creek near sweet home and albany and find some but i have not had any luck near protland. you should go to the prospecting store on division called dk nugget and talk to the guys there
i have been gold panning for 20 years. i started when i was 5 i am 25 now. i think i can handle a pan good enough to not loose any gold and do it quickly
looks like its working perfectly
Nice great setup
pure genius bro
we in nz call that a boil box,,placed in front of the sluice box to hold back the bigger bits,,we dont get fines in it
Tom Fowler - I believe "boil Box" is what my prospecting friends here in northern Arizona USA call it as well.
BrokenRRT
We set up a 5 gallon bucket off the end of the sluice and pan through the material to see if any made it through. If you see fine flour, re classify and re run your material at a lower water pressure. You can get near 100% recovery. -350 mesh is easy......-500 mesh and smaller requires a bit of knowledge and patience. You can get it all if you have the time. Our sluice is superior to any other design out there.
I would suggest making a 2nd layer insert with this system so that when the material is gone it’s quick and easy to lift the insert, slide the side and remove the gold, than you are ready to go again in no time
you bet me to that idea,, thinking of this a while back ago.
The gate is fully adjustable. You can move it up or down and also from side to side so you can focus the water pressure in the trap blowing out all unwanted black sand and debris. You can dial in the sluice box and get all the control you need to get nothing but clean Gold. It works just like you see on the videos. Be sure to check out all the different sizes and types of sluices we offer on our products page at grumpyprospector d 0T c 0m.
One way to find out is to try, I recently found fine Gold in a area I wouldnt have thought.
Good job my friend 👍🙂🤝🇲🇾
Hey, I will be in Ecuador & Chile from Early November to May to sell all over South America.
If you would like one sooner, I shipped a 3 foot long highbanker style to Chile for around 100 US Dollar & it took about 11 days in shipping.
Not without keeping all of the black sand. Most gemstones have a specific gravity less than black sand, but you should be able to tune it to keep most metals.
Google "gemselect Specific Gravity Chart" Probably quicker to look for ruby with a UV light anyway.
I am looking forward to even more gold from the same source.Thank you for re-inventing the age old sluice,it really does exactly as it is advertised. Frank Rowland Somewhere in Louisiana A Very Satisfied Customer
Very interesting. i like the results
Here I posted above, a comment from a Prospector (Frank) that had purchased the exact system & from the same production timeframe. Where he,(as many other buyers), have entirely different productive results?
Why is this? Because the system truly works in the hands of adept individual.
This video was filmed with a hand held Canon Camera, with no special magic going on. What you see is real live footage - of a system when opperated reasonably properly will produce the same results.
Now that's more like it! Wow! nice upload! :D
Well done on a great system :)
Great sluice, you have a new subscriber.
Thanks CR
I dont know how many of them you will sell but if I was where I could go and find gold I would buy a couple, good Idea. Hope you have applied for a patent.
That looks like a really fine idea/invention to me. Have you ever tested results by re-running the tailings?
Nice...but how does it deal with a constant flow of material?
How about setting up a trap after your sluice and panning it to see what made it through?
Good , i have a lot of gold and location fit with the workings this equipment ,our visit to Indonesia where,thanks
Good job.!!!
This looks great, hows it handle black sands, I like the concept with inline classifier ,like a bazooka gold trap, springs coming how does one email you?
Brilliant .
Why all the loud music I really enjoy your work and wold like to see where the gate is on the sluice box L assume it is at the top of the sluice but how is it attached to the box and would you need such a long box if the gold is in the first three riffles and was fronted with a magnet. Thanks for hearing me
great video, awesome info
have you tried this on big sluices /100/200/ or 300 hundred ton machines yet?
Very nice job , is this for creek or just for home clean up ?
Hello again, so how do I find this underflow sluice and how much? We found 70,100 and 100+ mesh gold in Idaho springs and we had more 100+ mesh gold great color. I guess my question is would this underflow push it out or would it recover it? Whats our chance of a meet up or maybe you could demo it at our first coloradopirateminers club meeting in september. Thanks for all these great videos Kris Meese.
looks interesting , but missing a lot .
1st when was the last time my concentrates were void of any black sands - never .
2nd less of an issue , because this looks , but using microscope to look for any gold that may have made it through the system .
nice consept i will make one next dryseason in cameroon
Great idea but unfortunately not pratical out in the wild. This would be more for a clean up station. In the wild, you would have to wait for that to clear, otherwise it looks like it would build up too quickly and never make it under then creating a dam.
both may help but that looked to contain about 10 grams of gold. It took about 3:45 seconds to refine it. With a gold pan you can do that in easily 30 seconds.
The point in sluices is not that each riffle works faster than a guy panning. It is that the sluice does the panning work for you while also having lots of riffles for catchment. There are a lot of factors, but sluices are about larger volume and this demonstration is just one simple riffle.
Another great design discovery, but a "machine" it is not as far as I could see. What was the inspiration, a house roof gutter?
With a few more videos of this thing in operation most prospectors will be making their own for sure, just like the $400 spiral wheel ripoff, a great design but ripoff price.
In any case, thanks for the inspiration.
$20 was what the guy commenting posted below. The metal I use is more than that not including the other parts & materials used. Prices varry from the mini 2' long I construct , to the commercial systems as large as 10 feet wide. I have a website showing all my small miner Sluices. And commercial are by special contact.
The pics of a orrpiallage(prob mispelt) they have a split feed so would cause a vacuum on other side of the gate ,if added airator block well before the trap and used a separate feed behind the gate to cause a better vacuum ,what would happen ? Could you enlarge the trap to run more material through it ? Best ask ones who would test the idea thoroughly
I super dig this. Do you sell these?
You claim this to be a fast way to get the gold? It looks more like a cleanup tool to me, in the video you can watch the underflow riffle being lowered slowly. I bet a few larger rocks would kick the gold right out. It looks like you used chunky gold and play sand for the test. How us it operation with continuous shoveling and black sand in the sluice. Seems almost like a time wasting sluice that's not worth the money and will loose gold under field conditions.
I use it for cleanup. In the field I just cant process enough material and have to be constantly monitoring the traps.
WHYWHYWHY and mom have a very very good time to get the job of your great friends too much fun with you and a nice time to do it for a great night thanks for
Looks like the water speed has to be very precisely controlled.
Hi! My name is Johann, I'm little older then 13, Im only 65. The small gold washing machine, can I buy the machine somewhere? or do you build the machine yourself?
I like this washing machine very much.
Please respond!
Hi Johann, Thank you for your interest in the Underflow Technology. You can go to our website Grumpyprospector Dot com and click on the tab that says shop products to see the different sizes and designs we build. If you have additional questions your welcome to contact us via email or phone.
Nice bro
build a rocking system run off a small water flow hydraulic motor inline with the hose that feeds the system and attach it to the under flow vain.
smart+cheap=perfect .. i like that :)
@DarkenedJay- Works Like a Dream, It cant get any easier than this!
Realy want one.
hi i am interested in building one of those, I'd have the measurements? because I think the shipping to Argentina I would come out a little expensive or you could give me a quote with shipping included?
Chevelle Rocks! great tune at the end. So do your production models have a view window?
Yes all our products have the side windows to allow full visual control. Feel free to call or email us if you have additional questions!
I would like to order 5" model contact me silvesterweber@gmail.com
Are youall sure it works on beach sand because that's the main reason I'd like to have one. If its no good on beach sand I can't use it. Please help me with this one?
Timelaps?
The cut in filming was due to the fact I filmed this with a hand held Cannon camera. In which did not do well on batteries life when filming in video mode. Also just a couple lengthy minutes of video could max out a SD card. Unfortunatly these two facts caused me at times to add new batteries or sd card while filming. Bummer, they were uncontroled stops in filming. Nothing more than a quick change of battery or card and I resumed the video. In live action.
Thx a million 4sharing w/us. Good luck! By da way how deep is it, do u mind 2tell us?
hello GrumpyP, i like what i see on the underflow system it shows me clearly that i want a system like this how did you make the flow so evenly or at a speed where it worked perfectly well non the less i mostly like to see it in action to watch how it separates right before your eyes im sure it does the same with flower gold , well and easy 3 words ? I WANT IT LOL how can i get a see thru sluice to do my concentrates do you have or do i need to build one you can reach me here or at my email
Yep, it's just a piece of metal that will cost to make around maybe 20 bucks Tops. I ain't paying hundreds for it. Its all good if you don't agree but too much money to pay for.
LOL........yup, it sure does!!!! It gets way more Gold when you use a quarter, though.
Question: Can the gold be displaced if the flow of water going through the trap is to great or what I'm saying is could the helical flow of the water at a faster flowing rate cause the gold to come out of the trap. or is the flow controllable.
It will work. You can send me some of your beach sand. I will throw my gold into it and show you my gold plus whatever is in your beach sand and I'll post it on TH-cam. This sluice box is going to change placer and hard rock mining forever. Anybody that says otherwise doesn't have their box set up properly or know how to use the gates......or there isn't any gold in their material. The UnderFlow Sluice is a superior device for gathering clean gold. Check out my video on this fine sluice.
What is the width, height, depth, length ?
thanks from Turkey
Nice!
that was very cool
No water is wasted as this is a recirculation set up. All the water goes back into a tub and is reused over and over again. We also have sluice boxes that you can run by laying in the natural flow of a creek. Check out our products at grumpyprospector d0 t c 0m. Thanks for watching!!
My opinion is as a final step to recover your gold from processed dirt,its great.
But as for feeding shovels into a river sluice or high banker set up of this,its a massive FAIL as one can't be fiddling with them things in the underflow whilst adding shovels of dirt into it!
+glenn garcia make it fifty feet wide and use an excavator and a hopper as an interface lol.... It'll work!
I am not skilled at using the underflow.I was expecting it not to work at all.Well it has sold me on buying another one but bigger than I have purchased much bigger.It took me a little while to get it set up and run properly.It works great with all precious metals and gems.I'm not the type to brag about anything, this I will.No gimmick no scam no bull shit. I didn't fined it very over priced at all.Price out the materials and you'll see it's worth the money.It will pay its self off soon..
How can I buy one like that u sell them I need one asap
Thank You
Cam you set one of this direct in the river????
So what kind of prices will i be looking at if i choose to purchase one of your underflow sluices?
Thanks for watching my videos. UnderFlow sluice side plates are aluminum and come with a window in the trap section so you can watch your material process. You can order one from our website grumpyprospector d 0T c0 m. Just click on the products tab and look at all the different sizes and styles of sluices we offer. Ask questions if you have them. You can contact us any time at grumpyprospector @ live d 0T c0 m. Thanks for your interest in the UnderFlow Sluice!!
This dont matter but, Where are you from? I will help those that desire to construct one for their own. Within reason of my ability to find the extra time. Aside from producing & helping the public get more Gold. I put much energy and time into fine tuning all development for what is next for Clean Gold Capture & the UnderFlow Design.
Flour gold washed away,less effective if concentrate a lot.
Especially for a lot of clay material.