Designed for highway,culvert and drainage applications, complete with sediment variables.
Use to understand fluid and sediment dynamics.
http://www.fhwa.dot.gov/engineering/hydraulics/software.cfm
Read more…Has anyone built their own adjustable legs for a sluice. I spent good money on a set for my Keene A52 sluice and had the best intention of installing them about six months ago. As I got around to doing it today before a trip next weekend I find that
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I've had this Keene RC1 rock crusher for ten years or so but did'ent get to use it
as much as I would have liked due to it's weight ( 80 # ) and it's bulk.
In June of this year I bought a nice 95 Jeep Wrangler and after a lo
Read more…I posted my Recirculating Sluice on my website:
http://www.bertaut.com/gold.html
You can see it on YouTube:
https://www.youtube.com/watch?v=M94tv6qnsgg&feature=youtu.be
It works great without clogging up the pumps!!
Read more…I built my on 2 1/2 " dredge on which i use a 2" clear water pump from harbour freight and it works great. I just got a T80 compressor and i would like to run it with the engine with the pump which is a 6.5 hp. I know i`ll have to seperate the pump
Read more…I have recently acquired some out dated medical devices, all still working perfectly fine just de-commissioned,
1/2 doz. Portable Oxygen tank equel in size to a 20Lb fire extinguisher and a few oxygen concentrators.
the concentrators have a 30 psi co
Read more…I wrote directions to build an inexpensive, compact, and light weight hand trommel. It is designed to classify quantity material for your dry-washer, high-banker, sluice, pan, and can also be used in garden composting an
Read more…Hey guys, does anyone have any good plans for beach boxes, that I could build for Oregons beaches?
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Heres an idea everyone can put to use.
Still new to this site so may not get the photos up, if not will try again.
Make a cloth bag just large enough f
Read more…I built this to handle the larger boulders on a streach of creek
a friend of mine owned. This was when dredging was still legal
in Calif. I used a 1 ton chain hoist from Harbor Freight Tools,
I bought the floats from Keene and had the local wel
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To calculate how many coils to cut for the trommel barrel:
Devide the barrel length by the spacing you want between
the coils plus the coil width ( 30/2.375" )= 12.6 number of coils.
12.6 x .375 = 4.7 " of tube min. needed. If you have enou
Read more…To anyone wanting to build there own trommel I made a 3" model
with step by step photo's how to do it. You would know they show
up in the reverse order but thats not a big problem, I'm ass back-
wards most of the time also. #1 wrap paper around what
Read more…Good evening all. I am starting the process to design my own sluice (figure I should design for a few days before I jump in and build). I am lucky enough to have access to the local schools for some of the fab parts. So today I talked to one of the m
Read more…Good day gold getters.
I am building a Miller table and in need of some advice. I will be using a piece of aluminum plate 1/8 thick, the piece is 24 x 30 inches and i can cut to any size. What size would you recommend? I found a craft strore that
Read more…Has anyone took the old box from their dredge and made it into a 3 stage? Any pics or links to a how to?
Read more…Here is a idea i tossed around for awhile then i saw a post on eastern us prospectors forum by Astroboucer so i desided to go ahead and try it. I took a 1x10 36" long marked off a 10" slick plate then spaced my drop riffles out. some were at 1 1
Read more…This is something I build a couple of years ago. It started out as a broken craftsman snow blower. We do not have much snow near San Francisco so I poked around in craigslist and found two near Reno, NV. It did not have an engine and it was too bi
Read more…I have been using this for about a year now. It works great. If anybody has a question just let me know....Roger
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grab your largest pan. upside down. cross measure center.drill small hole.install round piece of carpet/moss eith small screen over.bolt,wingnut under pan.you now have a FINEGOLD WEAPON/ BREAD AND BUTTER.
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