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 Post Posted: Thu Apr 28, 2016 6:44 pm 
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Joined: Wed May 30, 2012 5:26 pm
Posts: 673
Location: Odessa, Texas
I know the viper pro is designed so the upper tray runs at one angle and the lower tray at a slightly less angle, roughly 2 degrees. In answering another thread on the forum I mentioned that different widths and different angles can affect the water flow a lot.
Since the top tray is 12 inches wide and the lower tray flares out to 18 inches wide the water is slower and smoother. Decreasing the angle slows the flow even more.
So has anyone tried adding a set of legs so both trays are at the same angle to see if there is any difference in the exchange/capture rate of the lower tray?
This will be the first time running the pro flare other than some testing I did at home.
I have added the legs just before the flare so the joint does not "sag" for lack of a better word.
We will be at Gold and Gems and the Loud Mine from May 18th for 3 weeks and will test. I can always take them off.

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 Post Posted: Thu Apr 28, 2016 7:46 pm 
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Joined: Thu Dec 11, 2014 4:05 pm
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Location: AK Apr - Nov & Northern Idaho in the Winters
PC,

I believe that the change of angle is created by accurately drilled bolt hole alignment instead of any 'sagging'. :shock:

When a manufacturer creates a change in angle (as here) it isn't a poorly thought out thing -- it's for a specific reason. Doc did that angle change for a specific and well researched reason - as he does with all his engineering. :P

So, for me, "If it ain't broke, don't fix it!" 8-) works a lot better than "Fix it until it doesn't work any more - and then replace it." :lol:

Joe

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 Post Posted: Thu Apr 28, 2016 8:20 pm 
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Joined: Wed May 30, 2012 5:26 pm
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Location: Odessa, Texas
I was in no way suggesting that it was poorly designed. I was merely stating that the water flow is already greatly decreased by the flare. Thinking "outside the box" is what keeps mining improving. I read somewhere that long ago someone once said "why do we need metal riffles and miners moss, the 2X4s in the wood sluice works just fine".
Just an example, say I am pumping 5000 GPH over the sluice. In the top 12 inch wide box there is about 416 GPH per inch. The bottom is 18 inches wide so the flow is about 277 GPH per inch.
Either way, I feel that it is something worth testing. I own most of the Gold Hog line and love every one of them. There is no product (not just mining related) that has no room for improvement.
:idea: BTW, been thinking a lot about mousetraps lately also :lol:

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Michael
goldhogster@yahoo.com
Semper Fidelis, two words that say it all
Proud to have served in The United States Marine Corps
There is no such thing as an EX-MARINE
LDMA
WAR HORSE DREDGER - Member #7 (SILVER)


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