building dredge pontoons

taternut

Full Member
Apr 12, 2013
212
38
Northern CA
Detector(s) used
Hand sluice, Gold bug pro
Primary Interest:
Prospecting
So I bought a 3" suction dredge and I need to build a set of pontoons, I've found a few different styles that look decent. I'm thinking of getting a few 6"pvc pipe and filling them with door jam foam then just bolting the pvc to my frame. Anyone else have any ideas/suggestions??
 

Go to Reed Lukens youtube site and watch how to build a dredge. He uses inexpensive barrells and they seem to work very well.
 

Yeah I saw that video I just have no clue where to buy the drums anywhere around me
 

If your in Cali, your wasting your time/money building a dredge as dredging is banned.

Check with car washes, carpet cleaners or any type of business that would have liquid in bulk.
Personally I would stay away from pvc pontoons...the weight alone will be a lot.
 

Yeah I'm not too far from the Oregon border so im not too worried about it. Thx though ill check out some place like that
 

I suggest Google up the Cheasapeake Light Craft boat place. You can order large amounts of epoxy resin and fiberglass matting. Build exactly what you want ... to your own specks by using styrafoam cores and epoxy/glass coatings. ( www.clcboats.com ) TTC
 

Barrels work great. Your 3 don't take much to float so 4 -15 gallon will work just fine as that flaots my 4" over/under great in creeks-just go to hotels/cleaners/[lating shops or even sportsmen warehouse as they sell'm too-but cheaper elsewhere,city dumps sell'm all the time $5 a piece. John
 

Attachments

  • 100_2203.jpg
    100_2203.jpg
    16.1 KB · Views: 5,851
So I bought a 3" suction dredge and I need to build a set of pontoons, I've found a few different styles that look decent. I'm thinking of getting a few 6"pvc pipe and filling them with door jam foam then just bolting the pvc to my frame. Anyone else have any ideas/suggestions??
PVC sounds heavy. When I looked around for DIY methods, I spotted boat fenders at Cabelas

POLG6LittleFenders.jpg

Sure seem like they'd take a beating. Fiberglassing is relatively easy to do, but I suspect a good whack on a rock will end up with a crack.

They (cabela's) also had platoon floats for fishing, which seemed like they could work. They had one set on sale, but I don't see it online offhand.

If you search craig's list for "plastic barrels" or "plastic drums" you might find someone local selling used drums.

1.jpg
 

There is a PVC pipe that is used for non-pressurized liquids. Usually used for drain water from downspouts. This stuff is really thin and very light, but fairly rigid/strong. Comes in 10 foot lengths at your local big box hardware.
 

i was going to foam fill my pontoons untill the guy told me it would add 2 lbs per foot of pontoon! i repaired my 'leak" myself. it was coming into my pontoon from the 1/4 anchor mounts on the top of the pontoon. Keene didnt have any more of that type of anchor so i went to the hardware store and bought some 1/4-20S drywall anchors and it was just about the very same thing and it worked perfect! and then i used some 1/4-20x1 stainless steel bolts with antiseize lube.
 

Last edited:
I was in the outlet cave at cabelas and they had something like

the-backpack-inflatable-pontoon-boat.jpg

Looks to be easy enough to mount a sluice and pump...
 

Foam filled pvc might do the trick. Home depot & lowes have 4 or 3", I see Menards has an 8"

Schedule 40 Cellular Core PVC DWV Pipe-8"x20' at Menards

PVCSCH40FoamCore.jpg

We have sprinkler and irrigation places here that have large diameter pipe out in the yard. I've seen some big stuff. In addition to pvc, corrugated drainage...

300-black-pipe.jpg

You can get some reallly big stuff

f963984f905bae0a8c1b8a367d43d103.jpg

Of course, you have to find a way to seal the ends on any type of pipe.
 

like John said,go to fast food places that use their cooking oil in the square 5(?) gallon barrels. they are cheap/tought/and fit real good in your frame for pontoons.just seal the bung hole with teflon tape.if you were to rupture one, they would be EZ to replace in no time!only problem is that from time to time if they are sealed tight, youll need to vent them to prevent them from colapsing from the expansion/contraction because of the temp and altitude.
 

one of our club memers made a PVC frame with no filler for his 2.5" worked great in the stream we have to dredge in. good luck.
001.JPG
 

one of our club memers made a PVC frame with no filler for his 2.5" worked great in the stream we have to dredge in. good luck.
<img src="http://www.treasurenet.com/forums/attachment.php?attachmentid=808531"/>

That's pretty much the idea I have except I have two 6" PVC and I'm just going to do two parallel with my box then just bolt the frame to the pvc
 

Btw I just got a above ground pool from Walmart that's 15' wide n 4'deep. And I bought a used gold diver dredge that needs work. Out of curiosity at the end of summer if I get it running would it be illegal to test it out in the pool before I throw the pool away? Lol
 

Food processing plants may have barrels, like for pickles, beets and the like. Barrels will be your best bet, lightest, and cheapest . Dont fill with foam!
 

Top Member Reactions

Users who are viewing this thread

Back
Top