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Author Topic: Cheap alternative riffles for beginners?  (Read 2800 times)

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Offline Mack

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Cheap alternative riffles for beginners?
« on: December 10, 2011, 06:48:06 PM »
Hey everybody, been doing some building and research lately, looking at building a sluice box. Already purchased the appropriate materials like carpeting and expanded metal. Trying to go lightweight with some aluminum, thinking of making a riffle set out of "aluminum carpet equalizer" (see pic below) going to have to play with the set up a bit to hone in the design for maximum recovery. Open to all suggestions and advice.......Mac  {cool^sign}

I know it is hard to see in the picture but carpet equalizer when laid down flat makes about a 35degree angle and yields about a 3/8th profile

Offline juu907

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Re: Cheap alternative riffles for beginners?
« Reply #1 on: December 10, 2011, 07:16:47 PM »
 <-wave->way too light unless you classify way down first. even pebbles will ding  them out of shape. plus you need around a 15 degree angle. check with greywolf he will have some good suggestions.  good luck.   jerry

Offline PlacerWilly

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Offline RogerC

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Re: Cheap alternative riffles for beginners?
« Reply #3 on: December 11, 2011, 10:55:14 AM »
If you are VERY aggressive with classifying before the sluice, like with maybe a grizzly down to 1/4", this might work.


Cheers,
Roger

Offline PlacerPal

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Re: Cheap alternative riffles for beginners?
« Reply #4 on: December 11, 2011, 12:48:11 PM »
Aluminum 1/2' x 1/2" extruded 90 deg angle might make the better riffle?
Comes in 20 ft lengths and is not too expensive. Metal suppliers often have
some cut-off pieces in the shorts bin.

Then the typical 15 deg Hungarian riffle could be made using a pair of Vice Grip Flat Clamps.
Or the 15 deg off the vertical or the 75 deg off the horizontal could be made laying the piece
of angle over a 1" pipe and tapping. No special metal working tools needed.

 :)




 


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