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Thread: building dredge pontoons

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  1. #1
    us
    Apr 2013
    Northern CA
    Hand sluice, Gold bug pro
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    34 times
    Prospecting

    building dredge pontoons

    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??

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  3. #2
    us
    Feb 2012
    Prather CA
    Whites GMT
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    Finding GOLD
    Go to Reed Lukens youtube site and watch how to build a dredge. He uses inexpensive barrells and they seem to work very well.
    "The most inspiring thing about gold, is not the value, but under magnification, the true beauty of each piece. They are truly like snowflakes that never melt." Oakview2

  4. #3
    us
    Apr 2013
    Northern CA
    Hand sluice, Gold bug pro
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    34 times
    Prospecting
    Yeah I saw that video I just have no clue where to buy the drums anywhere around me

  5. #4
    us
    Jun 2012
    Caldwell, Idaho
    811
    194 times
    Prospecting
    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.

  6. #5
    us
    Apr 2013
    Northern CA
    Hand sluice, Gold bug pro
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    Prospecting
    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

  7. #6
    Charter Member
    us
    Come out from under your bed today...... DO SOMETHING!

    Jun 2008
    Yarnell,AZ and Titusville,FL
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    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
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  8. #7
    us
    Mar 2003
    Redding,Calif.
    3,273
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    All Types Of Treasure Hunting
    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
    Attached Images Attached Images  
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  9. #8
    Charter Member

    Dec 2012
    Murfreesboro tn
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    Check Craigslist

    You should find someone selling barrels there...
    It's better to be hated for who you are than loved for who your not!

  10. #9

    May 2012
    633
    194 times
    All Types Of Treasure Hunting
    Quote Originally Posted by taternut View Post
    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

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    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.

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  11. #10
    us
    Aug 2011
    Raleigh,NC
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    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.

  12. #11
    us
    Apr 2011
    Florence S.C.
    49
    12 times
    All Types Of Treasure Hunting
    Filling with foam will not help floatation,it will only add weight! Wes
    Goodyguy and russau like this.
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  13. #12

    May 2005
    St. Louis, missouri
    2,778
    485 times
    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 by russau; May 30, 2013 at 01:22 PM.

  14. #13

    May 2012
    633
    194 times
    All Types Of Treasure Hunting
    I was in the outlet cave at cabelas and they had something like

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

  15. #14

    May 2005
    St. Louis, missouri
    2,778
    485 times
    Quote Originally Posted by ncclaymaker View Post
    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.
    those pipes are called DWV pipe, drain waste vent

  16. #15

    May 2012
    633
    194 times
    All Types Of Treasure Hunting
    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

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    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...

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    You can get some reallly big stuff

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

  17. #16

    May 2005
    St. Louis, missouri
    2,778
    485 times
    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.

  18. #17
    us
    Good Luck and Heavy Pans

    Feb 2011
    Winston, Georgia
    99
    15 times
    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.
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    Alan McCary

    "what you hear you forget. what you see you remember. what you do you understand"

  19. #18
    us
    Apr 2013
    Northern CA
    Hand sluice, Gold bug pro
    212
    34 times
    Prospecting
    Quote Originally Posted by rebel003 View Post
    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

  20. #19
    us
    Apr 2013
    Northern CA
    Hand sluice, Gold bug pro
    212
    34 times
    Prospecting
    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

  21. #20
    th
    Nov 2010
    Thailand/Europe/California
    Excalibur 2 1000
    987
    121 times
    All Types Of Treasure Hunting
    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!

 

 
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