How much production from a A51a?

I run that sluice, usually til its dark.

The way I see it, you will continue to catch gold all day. It will continue to catch the heavies and push out the lighter material. Clean up at the end of the day.

Pan into a saftey pan and go through it again at home. Collect the gold with a sniffer bottle.
 

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A51 added input for use

Yes but,

1) It helps or is required to classify the large material out before putting it into the A51, 1/2" to 1/4" screen size.

2) You need a good water flow to keep the non heavy materials moving through the sluice. If the water is slow then you can not just load it up as it will not work.

3) As it was shown to me, thank you Tnet, the sluice needs to be setup properly
A) fast water just enough to clear the riffles
B) the side to side angle is correct when you have repeating V's in the water going through the sluice

With these items in play I've been told one can run the sluice all day long and do one clean out at the end of the day. Me I get to excited and clean it out a little more often and that is not exactly fun to do.

Also get the blue recycle trash can (it costs less than the black one) for washing the A51 in as it goes all the way to the bottom of the blue bucket whereas the sluice if forced breaks the side walls of typical 5 gallon buckets. Also, have the blue 'bucket' almost filled to the top with water before putting the sluice into it. This keeps the empty bucket from falling over or from the wind blowing the whole thing over if there is not enough water in it. This one was purchased at home depot. Have fun, Good Luck...........63bkpkr

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I run it for an hour or until the gold starts traveling off of the black ribbed. It's small enough that cleaning it out is quick & easy. It doesn't need much water and works great.
 

Thanks for the advice all. I've been thinking about buying a bigger sluice to handle more material but I love how the A51 is small and lighter than the big ones. Think I might just stick with it...even though I use it on the American River which has plenty enough water to run this small sluice...lol.
 

If the cons don't clear in 30 seconds, flow is too slow. If it clears in less than 15 seconds, too fast. I also (using a heavy glove) run my hand through the cons build-up under the riffles to loosen and run it down. I have a bucket at the bottom for catching this. Start at the top riffle and work down. Check this stuff for gold. If you follow these rules, you can run all week before clean-out. But you may wish to clean-out daily. TTC
 

i run mine for hours, atleast 6-10 buckets depending on my spine hurting or not.

I will clean it out just to get a break from digging. however, it can run all day.

when i see the black sands covering alot of the green felt, i get nervous and want to stop & clean. i am stingy & dont want to lose gold
 

around here in the Seattle area, gold isnt huge like i would like it to be.
However i ran my sluice all day with only one cleanup of 10+ buckets and got some goodies to show for it.

Penny was dug up also.

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Hey im from everett. Where u sluicing at
 

Cool I've heard of sone color up there. I've been working the north rivers. My next trip will be canyon creek I've never sampled there, but it is a canyon class 5. 6 bedrock waterfall creek. It must have some color.
 

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