how to build a crash box for a

2020-05-04T12:05:22+00:00
  • anyone know how to build a crashbox for a ...

    Oct 11, 2011  All it is is an aluminium box with a 2" inlet on the lower end. It just sits upside down over the top hopper up at the highest point where the original inlet baffle is. It has two "wings" with a hole in each that sit over the flared edge of the hopper and held in place by a bolt and wing nut.

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  • Making a 3D Printed Crashbox for a Mini Gold - YouTube

    Mar 28, 2018  Working on my latest design for a gold sluice crash box that will connect to a battery operated mini power jet and eventually become a cool little suction dr...

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  • Plan and design your own home made suction for gold ...

    Building a 3 stage sluice box for a gold . Header / crash box / flare: This is one where you have to decide what you want to do. You can go with a crash box style head and is relatively easy to make. A crash box is just a box that sits and the head of the sluice, directing the flow of

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  • My Home Made 3 Stage Under Current Sluice Box

    I know that the old crash box style sluices are not very good at recovering fine gold, but when you up the water speed too much, well, it really makes things even worse. I knew I had a problem, but while dredging in 2002, noticed a small nugget had worked its way down my sluice to the 6th riffle - it was on its way out of the box.

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  • Sluice build, Keene 6" mini . How to, part 2 video ...

    This is a descriptive video on how I extended the box on my Keene 6" mini. I extended it 1.5 feet, added expanded metal, Gold Hog mat, larger classifier scre...

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  • Do It Yourself, Home made Suction

    Jul 28, 2011  Header / crash box / flare: This is one where you have to decide what you want to do. You can go with a crash box style head and is relatively easy to make. A crash box is just a box that sits and the head of the sluice, directing the flow of water and gravel into the sluice.

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  • Crash Box header vs Jet Tube? [Archive] - AMDS Adventure Forum

    Your punch plate is 24 inch and it already has a bolt/nut in the middle and top of the box. So you can get a thin plate say 6 to 8 inch long x the W to lay on top of the punch plate. Cut a slot in the middle where the bolt will go. Now you can slide this plate back and forth.

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  • Building A 9'x3' Sluice Box For An Old 8" - Gold ...

    Oct 10, 2020  I can build/fab just about anything needed. Also curious to what you guys think about some new types of matting in a large . I have all winter for the build. Box is 9'x34". 1st 3 feet follow the flair angle till it meets the max width of the box. The old riffle set up leaves a lot to be desired.

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  • Some basics - Keene Eng

    One of the most frequent issues is mismatched sluice box size to the actual size. Example. Trying to run a 3 inch with cheap trash pump and use a 10 inch wide box. I have to explain that the 10 inch wide box is too small and the velocity is too high to catch gold. Here are a few examples of a well balanced : 2” backpack ...

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  • DIY- – Dredging by yourself is fun

    The DIY-r has been sold in the Nordic Countries for many years and there are now more than 2500 happy owners all over the world. The DIY- is a compact, highly portable, gasoline engine powered, sediment removal pumping system. It is designed to provide the homeowner and contractors with the ability to excavate and transfer unwanted sediment.

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  • Do It Yourself, Home made Suction

    Jul 28, 2011  Header / crash box / flare: This is one where you have to decide what you want to do. You can go with a crash box style head and is relatively easy to make. A crash box is just a box that sits and the head of the sluice, directing the flow of water

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  • Build Your Own Homemade Mining Equipment - Gold Panning

    Jul 28, 2011  Maybe you want to upgrade your old crash box sluice. The sluice on a is such an important part of the construction, I did up a separate page on it so you could see the full set up and how I built mine.

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  • Crash box for a 6 inch ? - TreasureNet

    Dec 19, 2014  I'm trying to find out if a crash box can be used on a 6 inch . I have not seen one using a crash box only flares. I would be making it myself an my main worry is if a crash box will be able to take the beating from the material that comes out of a 6 inch. My main reason for wanting to go with a crash box is size constraints.

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  • How To Build and Operate Sluice Boxes - Heckler Fabrication

    extreme rear is a small removable ‘crash-box’ style water inlet fitted with a 2-inch diameter pipe nipple that can be bushed down to fit a variety of pump sources. This inlet box is detached for stream tests and replaced with a small flare. Figure 1 One side of the 24-inch test section is made from Plexiglas so we can hopefully get actual ...

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  • Adjustments - Gold Prospectors Association of America

    Jan 13, 2015  I have a 2" Keene with a crash box sluice on It. When it runs the weight of the water brings the end of the sluice down near the water. That point is can be adjusted by moving the sluice on the frame. Question is how much or how many

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  • Craft a Rebellion: Crash Box - Make Some Noise

    Crash. Bam. There is an often used theatrical prop that the audience doesn't see, but is more likely to hear. For those who have ever sat in the theater and wondered about the crash heard offstage. More than likely its a Crash Box, an easy to create box that contains objects to make the crash sounds without shards of glass going everywhere.

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  • I added some length to my sluice box - Gold Nugget Hunting ...

    Dec 20, 2007  I have an older that has the 5.5 hp Briggs motor and was setup for 3 inch sluice box and a separate 4 inch sluice with crash box header. I have found that this motor has plenty of suction at 3/4 power and was actually overpowering the 12 inch wide sluice with the 3 inch hose. I tried quite a few things and adding more length did not help me.

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  • Why Are Sluices So Short? - Sluicing, Highbanking ...

    Apr 12, 2013  Didn't mean to start war here guys. I see both of your points and two methods of dredging. I think we will keep the bolt out for now, but run it more like a suction highbanker so that the material runs to a hopper/classifier with a grizzly screen, then to a crash box onto a slick plate before it enters the sluice box.

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  • My 4" Project - Gold Nugget Hunting Prospecting ...

    Dec 15, 2007  I have also added a Wal-Mart rubber Welcome Mat. It is rolled up next to the outlet of the crash box ), to dampen and "Welcome in The Gold"! You must have a "Wal-Mart Welcome Mat", according to the experts! I can put the on pontoons or place it on my Keene stand for shallow water, so it works great both ways.

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  • Gold r dot Com Disscussion Forums • View topic ...

    May 05, 2020  I need to build a . It was 3", No air I didn't have a wet suit. But I did get a lot of gold. The floats were Styrofoam warped with Fiberglass. The crash Box had a

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  • New to me - Gold Prospectors Association of America ...

    Jul 10, 2016  Rule of thumb, 1" drop for every foot of box. However, hog mats, and style of box ie; crash box or flare all figure into the equation (water flow). Two things to consider, 1- keep the lift to a minimum, how high the box sits above the water line, less lift = more suction (to a point). 2- keeping the end of box above the water line.

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  • 2 DREDGE CRASH Box, Sluice, Gold, Recovery, - $285.00 ...

    This is only the crash box, A 250mm sluice can be purchased extra $540.00, Legs Frame can be built for an extra $80.00 a set, Power jets $285.00, Other size sluice's and dredging equipment also available, We custom make our sluices here in Gympie, Qld to a high standard, Please email any questions or call 0427 911 207 for further info ...

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  • Sluice Boxes: Keene Engineering Online

    Sluice Boxes. ... 2.5" Standard Sluice Box for Jet Flare. $650.00. Quick View. 3" Standard Sluice Box for Jet Flare. $675.00. Quick View. 4 Inch Ultra Sluice Box. $699.00. Quick View. 4" High Performance 3 Stage Sluice. $950.00. Quick View. 5" to 6" Mini 3 Stage Sluice. $1,180.00. Quick View. 6 Inch 3 Stage Sluice Extended.

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  • gold crash box - relais-restaurant-chanas.fr

    Jul 28, 2011 Do It Yourself, Home made Suction , An earlier incarnation of my , with the old crash box , Building a 3 stage sluice box for a gold . crash box - availablebursaricozaKnow More.

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  • Crash box for a 6 inch ? - TreasureNet

    Dec 19, 2014  I'm trying to find out if a crash box can be used on a 6 inch . I have not seen one using a crash box only flares. I would be making it myself an my main worry is if a crash box will be able to take the beating from the material that comes out of a 6 inch. My main reason for wanting to go with a crash box is size constraints.

  • Get Price
  • How To Build and Operate Sluice Boxes - Heckler Fabrication

    extreme rear is a small removable ‘crash-box’ style water inlet fitted with a 2-inch diameter pipe nipple that can be bushed down to fit a variety of pump sources. This inlet box is detached for stream tests and replaced with a small flare. Figure 1 One side of the 24-inch test section is made from Plexiglas so we can hopefully get actual ...

  • Get Price
  • Hopper Or Header Box? - TreasureNet

    Apr 01, 2011  well in my opinion the choice between a crash box or a flair type of a header chossing the type of header depends on the creeks matrix. if its a heavy clay,or the gravels are heavily cemented together id go with the crashbox. if its lose gravel use the flair for your .

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  • New to me - Gold Prospectors Association of America ...

    Jul 10, 2016  Rule of thumb, 1" drop for every foot of box. However, hog mats, and style of box ie; crash box or flare all figure into the equation (water flow). Two things to consider, 1- keep the lift to a minimum, how high the box sits above the water line, less lift = more suction (to a point). 2- keeping the end of box above the water line.

  • Get Price
  • I added some length to my sluice box - Gold Nugget Hunting ...

    Dec 20, 2007  I have an older that has the 5.5 hp Briggs motor and was setup for 3 inch sluice box and a separate 4 inch sluice with crash box header. I have found that this motor has plenty of suction at 3/4 power and was actually overpowering the 12 inch wide sluice with the 3 inch hose. I tried quite a few things and adding more length did not help me.

  • Get Price
  • Sluice Boxes: Keene Engineering Online

    Sluice Boxes. ... 2.5" Standard Sluice Box for Jet Flare. $650.00. Quick View. 3" Standard Sluice Box for Jet Flare. $675.00. Quick View. 4 Inch Ultra Sluice Box. $699.00. Quick View. 4" High Performance 3 Stage Sluice. $950.00. Quick View. 5" to 6" Mini 3 Stage Sluice. $1,180.00. Quick View. 6 Inch 3 Stage Sluice Extended.

  • Get Price
  • My 4" Project - Gold Nugget Hunting Prospecting ...

    Dec 15, 2007  I have also added a Wal-Mart rubber Welcome Mat. It is rolled up next to the outlet of the crash box ), to dampen and "Welcome in The Gold"! You must have a "Wal-Mart Welcome Mat", according to the experts! I can put the on pontoons or place it on my Keene stand for shallow water, so it works great both ways.

  • Get Price
  • 2 DREDGE CRASH Box, Sluice, Gold, Recovery, - $285.00 ...

    This is only the crash box, A 250mm sluice can be purchased extra $540.00, Legs Frame can be built for an extra $80.00 a set, Power jets $285.00, Other size sluice's and dredging equipment also available, We custom make our sluices here in Gympie, Qld to a high standard, Please email any questions or call 0427 911 207 for further info ...

  • Get Price
  • Gold r dot Com Disscussion Forums • View topic ...

    May 05, 2020  I need to build a . It was 3", No air I didn't have a wet suit. But I did get a lot of gold. The floats were Styrofoam warped with Fiberglass. The crash Box had a

  • Get Price
  • Hopper for Highbanker / - Gold Fever Prospecting

    (Hopper is pictured with the optional adapter). The (grizzly) classifier screen has recently been redesigned for durability and ease of use. It features 1/2" spacing between the bars and only every other bar is welded to the box allowing for easier jammed rock removal vs. the old laser cut aluminum style.

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  • Build Your Own Homemade Gold Sluice Box - EzineArticles

    Here are some thoughts on how to build your own do It Yourself, hand fed Gold Sluice Box - I think it's a great project for beginners. A wooden sluice like this was the first piece of prospecting equipment I ever built. A sluice box lined with riffles is one of the oldest forms

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  • How to Drive a Bus with a Crash Box « Dave Moore

    Apr 03, 2015  Same as any crash box change. If you miss, stop and restart. Again, crack this one and 3rd to 2nd is the same. Max speed in 2nd is 10 mph. You might also have, as I had to once, go from 2nd to 1st on the move. Max speed in first is no more than 5 mph. As I said at the start, only practice, and time, will help you drive a bus with a crash box.

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  • What Sluice Mat is Best - GoldHog Gold Prospecting Equipment

    ? Commercial Op? Other details can be critical as well. Example: if a crash box or flare? 2) Post the water ENERGY info. Sluice WIDTH and gallons per inch running through the sluice. Just posting your PUMP gph is not often enough. 3) Post any other info that might be helpful. Such as problems that currently exist with your system.

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  • Keene Engineering, Inc,

    4. Also for decades we have been trying to build a better sluice box the one thing we have been missing is not to do this in the beginning of the sluice due to all the chaos in the beginning of the sluice. If you give the flows a chance to become linear and zone out your recovery system become much more effective. I love this little 4" Ulta.

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