12V Electric Dredge???

thinking of trying one with a Johnson 4000 GPH pump with a 2 inch nozzle. BRIAN HERBSTREIT Greenhorn Posts: 06 Jun 2016 07:50 PM: ... My buddy does the electric dredge and does quite well. he bought a nozzle but I don't know how he gets the suction from the nozzle to the header box. I know he uses one or two of his 2,000 gph pumps.

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NORA Chapter 14 and 17 Quiz (PCI-RH) Flashcards | Quizlet

Study with Quizlet and memorize flashcards containing terms like You have an oil burner running at 80% and are firing a nozzle rated at 1.50 gph how many btu,s can you get?, One PSIG is equal to _____ inches of water column., Breaking promiises is …

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Drip Watering

2 GPH Micro-Bubblers Gallons per hour (Adjustable) 0–13 GPH Drippers 2 or 3 Needed 2 or 3 Needed 2 or 3 Needed Gallons per hour 1 GPH Staked Riser Mounted PLANT TYPES WATERING DEVICES WATERING SCHEDULE General Guide (Per Week) VEGETABLE GARDENS 15 min. 30 min. 60 min. Drippers 30 min. 60 min. 90 min. Gallons per hour (larger …

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Oil Nozzles

Nozzle flow is rated in GPH @ 100 psi pressure. One gallon of #2 fuel oil contains approximately 140,000 (give or take a 1000 or 2). So, a 1-GPM nozzle @ 100 psi is a 140,000 BTU burner input. If the burner efficiency is 80%, 20% of the fuel energy goes up the flue as unused energy. So, a 1-GPM nozzle on an 80 % efficient burner is equal to ...

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DIY 1.5" 12V Dredge PVC nozzle Gold sniper

Here is how i build a 1.5" 12V PVC nozzle Dredge with $20 1000 GPA Bilge Pump,Low cost,Backpack ready,lightweight,Bedrock Sniper . Dredge works great as a bedrock cleaner upper and can be used with smaller pvc attachments . And here is how it works in creek .

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GOLD MINER'S TOOLS :: HYDRO FORCE DRY …

(5,400 GPH water pump or 2.5" dredge pump required.) Includes an instructional DVD to help get you started. The little HF200 uses a 2" suction hose and a 1.5" (optional 1.25") pressure hose for awesome Dry Land Suction Power.

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Prospecting Water Pumps

On a 2″ it might range from 70 – 95 PSI. Often the GPH is about the same. If you are dredging…. you always want to overpower your unit with psi. This will allow you to run your engine less than full throttle and still have REALLY good suction. ... we have used a 90 psi pump on a 1.5″ dredge nozzle. ALWAYS go higher than you might need ...

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3" Drylander Nozzle

*H&B suction nozzles are built tough to be used in extreme conditinds.*They are made from 16ga aluminized steel for longevity.*They have a 1/2" blaster pipe welded to the pressure side with a 1/2" full-portball-valve "that can be removed" for use blasting cracks/crevises or up on dry benches.*There is a 2.5"I.D.rolled steal ring welded to the tip for less chances of clogs.*The …

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information on dredge hose and psi requirements according …

We have run our mini (1.5" dredge) with the same high pressure pump as our 4" dredges. We simply let the motor run just above idle. Running a 2" then move the throttle up more. Running a 3" more... etc. GPH is not the key issue with dredges. The gph is controlled both by the pressure and the size of intake on the dredge nozzle.

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GPM Calculator Fire Hose Online

The pressure at the nozzle of the hose. Friction Loss: The loss of pressure due to the hose's length and diameter. Water Velocity: The speed at which water travels through the hose. Hose Size: The diameter and length of the fire hose.

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Nozzle Performance Spray Heads

Nozzle Pressure Flow psi GPM F 10 1.0 20 1.4 30 1.7 40 1.9 50 2.1 60 2.3 Nozzle Performance Spray Heads SPECIALTY NOZZLES Nozzle Pressure WxL Flow psi ft. GPM 15SQ 15 18 x 18 2.68 20 19 x 19 3.06 25 21 x 21 3.42 30 23 x 23 3.73 15EST 15 4 x 13 0.45 20 4 x 14 0.50 4 x 14 0.56 30 4 x 15 0.61 15 4 x 26 0.89

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DIY 2" 12v electric dredge with 2 pumps 1000 gph each other

Just wanna show my 2" dredge i will be testing today in creek, i made it out of 2" pipe and 3/4" pipes like jets . Im using 2 harbor fright 1000 gph 12v pumps, each takes 5Amh, And lets go to the creek I will post later how it works ( if it works )

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Suction Gold Dredge Basics

What a dredge manufacturer calls a 5" dredge may be a 4" intake nozzle dredge for permitting purposes. Nozzles sizes may be up to 2" smaller than hose sizes. A gold dredge is powered by a motor and pump.

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DIY 12 Volt Suction Dredge

Here is my 12 volt suction dredge build. This little buggar works great. ... couldn't wait...LOL. One thing I'd recommend...do some experimenting on how far into the suction pipe the pressure nozzle extends.....there may be a sweet spot, at some point, that really increases the suction. ... In Jake's Rule 3000 gph pump he is putting out about ...

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Oil nozzle GPH — Heating Help: The Wall

With the smaller nozzle, the domestic hot water call lasted 4-6 minutes just like the original nozzle. The heat calls lasted 10-12 minutes. Six 5 minute cycles per hour = .5 gph with original nozzle. Six 10 minute cycles = .77 gph with the smaller nozzle. The intervals between burner cycles stayed roughly the same as far as a thermostat call ...

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Water Pumps and Hoses

Rated at 94 psi and 8120 gph this pump can actually power a 4″ dredge nozzle. You can also run at idle and use for highbanking. The only WARNING is that these pumps need to have a FINE SCREEN over the intake.

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Dredge Nozzles & Drylander Nozzles

Standard and drylander gold dredge nozzles you can trust. Standard and drylander gold dredge nozzles you can trust. top of page. HOME. Sluice Boxes. Highbanker Combos. Suction Nozzles. ... 4" Drylander Nozzle. Price $225.00. Quick View. 2" Nozzle. Price $110.00. Quick View. 2 1/2" Nozzle. Price $130.00. Quick View. 3" Nozzle. Price $145.00 ...

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information on dredge hose and psi requirements according …

Running a 3" more... etc. GPH is not the key issue with dredges. The gph is controlled both by the pressure and the size of intake on the dredge nozzle. The Northern Tool Northstar 2" high …

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GOLD MINER'S TOOLS :: Dredges by Keene …

2.5 Inch Dredge series is the most versatile group of dredges. The portability, functionality and performance makes these dredges worth their weight in gold! Take a look at all the different Models! Pump/Engine: PHP160 GX120 Honda. …

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Goldibox anyone use it? | Treasure Hunting & Metal …

2. The 3700 gph (not 1200 gph) pump draws 15 amps. The recommended battery is a 30 amp hour battery. I think that means 2 hours. Even if I went with the 50 amp hour I'd only get 3 hours. ... The ease of use and light weight spoils you. I used it more then my other dredges this season. The Goldibox dredge and nozzle combo weighs less than my ...

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Water Pumps and Hoses

Rated at 94 psi and 8120 gph this pump can actually power a 4″ dredge nozzle. You can also run at idle and use for highbanking. The only WARNING is that these pumps need to have a FINE SCREEN over the intake. ... This pump SAYS it has 116 PSI and about 4000 gph. That should be plenty to power a dredge nozzle up to 3″. We have NOT tested ...

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Nozzle selections and burner settings Specifi cations

GPH Size Type Manufacturer PSIG Inches water column GO-2 EZ-1HPW 0.70 0.65 70B Delavan 140 0.60 – 0.65 EZ-1 0.65 – 0.01 to – 0.02 ... • Burner nozzles may be installed in the burner, bagged or tied onto the burner chassis, or located in the appliance packaging.

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Oil Burner Nozzle Guide Nozzle types, patterns, …

Notes to the table above. Original source: - these are approximate GPH flow rates; actual flow rate may vary. A TOTAL LOOK at OIL BURNER NOZZLES [PDF] (2000) courtesy of Delavan Fuel Metering Products [Website] a …

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Dredging questions | Treasure Hunting & Metal Detector …

If you are running a log jet or suction nozzle you will need a pump capable of delivering 60-80gpm @25-30psi. The best way to determine if a pump is capable is to look at …

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Dream Mat questions? | Treasure Hunting & Metal Detector …

How many gph will the 8" Dream Mat handle? Is there any set angle to run it at with a known maximum water flow for best recovery? What have you found is the best angle to run it? ... Gold-N-Sand hand dredge Primary Interest: All Treasure Hunting. Feb 3, …

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2" High Performance Dredge Nozzle For Gold …

The pump adapter fits the recommended 3700 GPH pump (40mm OD) and the 1.25″ hose feeding the nozzle. What's Included. Media error: Format (s) not supported or source (s) not found. The GoldiBox dredge nozzle is the perfect …

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How to Choose the Right Misting Nozzles [Expert's Insight]

Here are 3 general nozzle counts for cooling a standard patio area that you can use to determine how many nozzles your system should have. If you have a fully open space with no roof or walls, you'll need 1 nozzle for every 6 to 8 square feet of space .

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2" High Performance Dredge Nozzle For Gold Dredging

The GoldiBox dredge nozzle is the perfect solution for the DIY gold prospector. Strong suction and exceptional gold recovery. Made in USA. Free Shipping! ... The pump adapter fits the recommended 3700 GPH pump (40mm OD) and the 1.25″ hose feeding the nozzle. What's Included (1) GoldiBox 2″ High Performance Dredge Nozzle ...

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Dredging questions | Treasure Hunting & Metal Detector …

How many gph do you need to run a 2 inch dredge Click to expand... You can probably find what info you need at the Keene mfg. website. If I were to guess, I would say about 120 gpm. ... If you are running a log jet or suction nozzle you will need a pump capable of delivering 60-80gpm @25-30psi. The best way to determine if a pump is capable is ...

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How to SIZE a Sluice Box

There are many folks that can consistently make beans with a pan. A few can process well over a cubic yard of bank-run a day. $10-$12 for the pan versus $600-$1000 for a high-banker and pump. Think about it, for someone experienced $10 for 1CY/day versus $600 for 5CY/day. ... Maybe one of our 8" Dredge sluice boxes, with a slightly different ...

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Super Atomizing Water/Methanol Injection Nozzle

GPH) gallons per hour using a BMS WMI pump @ 200psi. BM5: 5 GPH = 315 ml/min BM7: 7 GPH = 440 ml/min BM10: 10 GPH = 630 ml/min ... The methanol nozzles are determined by the intended power and how many bungs your chargepipe has. The nozzles are 1/8" NPT and screw in to bungs included on most aftermarket chargepipes. Our "super atomizing ...

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Shop Electric Backpack Dredge & Find More Gold

The GoldiBox Electric Backpack Dredge has many features designed for exceptional gold recovery. ... GoldiBox 2″ High Performance Dredge Nozzle (2) Removable Grizzly Screens (1 straight bar/1 honeycomb) (2) Pairs of Trap Plugs (2) Pairs of Main Chamber & Trap connectors (1) Hose Lock Knob (1) 1.5″ to 1.25″ reducer for 3700 GPH pump – A ...

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How Figure The Best GPM For Oil Burner?

firing rate Firing rate is boiler input in btu's/hr. divided by 140,000 The heat content of #2 fuel oil in btu's per gallon. this will give you nozzle gph.Nozzles are rated at 100 psi so check your pump pressure. You can make a more efficient fire by downsizing a nozzle and increasing pump pressure.

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Nozzle Calculator

If you already know the nozzles that you have, you can find the pressure that can be achieved. Find your nozzle size on the left hand column and then locate the flow of your system. The chart will then indicate the pressure that can be achieved. For more exact information, use the nozzle, flow or pressure selection formulas, which are shown below.

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Has anybody made their own dredge?

One thing to keep in mind, the higher the power jet is from the surface of the water, the more horse power needed in order to have enough suction at the end of the nozzle, thus …

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Some dredge basics

2.5" dredge 4 hp engine with a 200 GPM pump with a 12' wide sluice box. 3" dredge 5.5 hp with 250 GPM pump 14" wide box 4" dredge 6.5 hp with 275 GPM pump with 16' box 5" dredge 13hp 400 GPM with 20" wide box 6" dredge 13 to 26 hp 20" to 26" wide sluice depending on the pumps and horsepower. LOW SUCTION POWER

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