homemade gold dredge with a power jet

Feb 10, 2019 - Explore GiftKarma's board "Gold Dredges" on Pinterest. See more ideas about mining equipment, gold prospecting, gold mining equipment.

Keene 2.5" Jet Flare Dredge PowerjetThe KEENE 2½" JET FLARE design provides excellent fine gold recovery. The jet flare and water level sluice box gives 30% more suction allowing dredge depths of nearly 30 feet. Also, the state-of-the-art sluice box is more efficient, compact, and lighter. A 150 GPM pump mounted on a Honda GX120 drives the 2½" dredges.

Proline Gold Mining and Prospecting Equipment/Gold Dredges. The result of this design is greater dredge vacuum, less horse power required for operation, fewer rock jams, and improved fine gold recovery.inner-tubes, required a suction nozzle for producing dredge vacuum, and had limited depth capabilities, the Proline 2.5" dredge sat on sturdy pontoons and used a...

KEENE 3 inch GOLD DREDGE ( LOCAL PICK UP ONLY ) $300.00. Local Pickup. Sluice Fox 31" Portable Modular Sluice Box with Flare Green Dredge Gold Panning. $59.00. Was: $69.98. Free shipping. 75 sold.

Dec 14, 2010· Here we have a 4" power jet. You will notice the inlet of the pressure pipe inlet coming in from the side & the angle it is entering at. This pic is taken looking up the the power jet from the entry end of the suction hose & towards its discahrge into the sluice box. And this is looking back down the oppostie way & you can see the pressur inlet.

The Model 2004 is constructed with an aluminum frame and is supported with grey hard cross-linked polyethylene pontoons. The power jet is ideal for most conditions and provides greater suction power and far less rock jams. Includes 15 feet of suction hose and 4 …

The Keene gold dredge is equipped with our improved, more powerful P100 pump with an oversized pressure hose making it a more powerful dredge. Experience greater suction power with either the power jet or suction nozzle.

Power Jet Gold Dredge. A Power Jet is more efficient because there is a shorter pressure hose from the pump and therefore less friction losses. The Power Jet enters the suction line just before the sluice, which means the gravel is being "pulled" up the hose rather than "pushed" by a suction nozzle. This can help prevent blockages.

Generally speaking a dredge designed to work on flotation, with a compressor for underwater dredging, is almost always equipped as a power jet. A dredge that is designed to work with the sluice on a stand, in shallow water, is almost always equipped with a suction nozzle. If you are using a hibanker dredge combo with multiple uses you can also ...

Jan 25, 2014 - Explore tim Gonzales's board "dredge" on Pinterest. See more ideas about gold prospecting, gold mining, gold mining equipment.

Jun 09, 2015· 4.2k. Gender:Male. Location:Redding,Kalif. Interests:Dredging,detecting,scuba diving,kayaking,history,getn'n'trouble. Share. Posted April 21, 2012. One of the simpliest and best jets ever made was the old couple jet by gold divers (RIP) and this is a homie jet that is much easier/cheaper to fab and parts from your local hardware store easily ...

Apr 16, 2014· 2 inch jet = 3.14 x (1" (radius of jet) Squared) 3.14 x (1 x 1) = 3.14 sq in for a 2" jet. 3.14 sq inches x 7% (.07) = .219 sq. Inch for eductor. Now for the tricky part: convert backwards and finally come up with a bore diameter. Eductor size is .219 sq. In which we will call .22 - because it is easier.

The result is a lighter power jet with better vacuum and easier priming. These power jets are popular with those building their own dredges or who simply wish to improve performance on dredges they already own. 1.5" Power Jet; 2" Power Jet; 2.5" Power Jet; 3" Power Jet; 4" Power Jet; 5" Power Jet; 5" Twin-Jet; 6" Power Jet; 6" Twin-Jet

All Proline combos use a highly efficient power jet for producing dredge vacuum rather than the old-fashioned suction nozzle which is inherently less effective and more cumbersome to dredge with. We have developed a unique system in which all dredged material enters the …

Infinity jet - Equipment - Old Forum Archive - New Zealand Gold Prospecting & Fossicking Infinity jet: Hi all want to get the ultimate power out of you motor and pump we need to find some good plans for one of these.Do a google search and tell me what you think.I am a stainless fabricator and am wanting to make a nice light one!!!

Jul 28, 2011· These are 1) The suction nozzle where the jet is up at the nozzle point, and 2) The power jet where the jet is located up near the sluice box. In addition to pumping water, the small engine also produces compressed air for the diver to use while underwater. In cases where the water is shallow the gold diver may simply use a snorkel.

Keene 3" Power Jet with 2" Jet Log. $155.00. Fine equipment with a 2" suction hose & pump intake for the 3500 Model series of dredges – the Keene 3" Power Jet with 2" Jet Log. SKU: PJ32. Call now to order (855) 721-7699. Keene 3" Oversized Power Jet with 2" Jet Log. $285.00.

The Gold Dredge – Two Divers operating a New Keene 4 inch Dredge in shallow water. … found, the surface dredge is employed to do a more efficient job of recovery. Power Jet … Submersible dredging tube uses a suction nozzle. … The material is classified 1/3 of the way down the box allowing the fine gold to fall and settle out of ...

Power Jets: The tubing is the same diameter as is the inlet jet diameters, The length of the jets are longer see chart for specifications. The power tube must have a slot cut that will fit the jet flush to the full length of the 5 degree and flush to the inside of the tube. This also must be …

May 24, 2017· I bought my first dredge and it is an old one, have a couple questions if someone knows old Keene gear. It's a pretty vintage 3" Keene suction dredge, crashbox, power jet, 14x48 sluice and frame that was strapped to inner tubes. The old Copper BS 5hp with an …

In any dredge, you will have 2 types of suction devices; either a suction nozzle or a power jet. A suction nozzle only works with higher pressure pumps. The recommendation is a minimum of 140-foot head lift for a suction nozzle. A power jet can run at a slightly lower …

The Surface Dredge. As the heading ofthis section implies, surface dredge floats on the surface of the water. The material is pumped to the surface through a suction hose into an efficient sluice box that is capable of recovering extremely fine particles of fine gold. The sluice box can either rest on the bank, or float on the surface of the water.

Dec 06, 2012· I have seen a few however ... on recreational dredges. Production dredges do not usually have a reducer placed at 'the outlet of the venturie'. On production dredges a tapered tube is usually placed at the inlet to the 180 degree bend on a suction nozzle …

Jul 28, 2011· A power jet puts the high-pressure water in just before the sluice box. A suction nozzle is best in very shallow water; a power jet produces better overall suction. Most dredges are power jets, but some smaller units, 3 inches and smaller are suction nozzles. I recommend the power jet.

Release a dredge boat into the water near your dock. Maneuver the boat to the area you wish to dredge and connect the suction hose to the dump truck. Step 3 Release the suction hose into the water and turn the pump on. For large open water areas, you may have to empty the dump truck several times. Tip.

The Dredge is an efficient alternative to using an excavator, which is expensive, has limited reach, may be destructive to the shore, and typically deposits the material adjacent to the shore, only to wash back in with the first good rain. It also works well as a fire pump. We also have a …

2 · A sluice is a device that separates gold from dirt using the power of running water. 86. Hand Dredge Step 1: Step 1 - Drill Cap, Sand 1/2" Adapter. I tried to make one out of a yabby pump but was not successful so i parted with about 0 to get this one. 00. Wholesale Gold Dredge Find 23 gold dredge products from 11 manufacturers & suppliers at EC21.

2.5" Dredge. This machine was a trend setter when it first came on the market and it continues to be one of our best sellers many years later. When other 2.5" dredges were floating on inner-tubes, required a suction nozzle for producing dredge vacuum, and had limited depth capabilities, the Proline 2.5" dredge sat on sturdy pontoons and used a power jet for dredge vacuum.

Jan 26, 2014 - power jet dredge nozzles | J7631 - JOBE 2 1/2 Inch Over Size Power Jet Price: $ 109.95 Retail ...

Jun 30, 2013· Suction nozzles and power jets are, without a doubt, the most problematic dredge parts for a home build dredger to construct. Most dredge builders would be far better off to buy a power jet or nozzle from an established dredge manufacturer. I can't add any more about building a nozzle or power jet than what has been previously written in this ...