I hate bucket classifiers, they are awkward and un ergonomic in my opinion.
I made this speed screen from a beer fridge shelf, aluminum angle, and plastic totes from hardware store.
I find it is stable, faster, and easier to use, with a bit of practice. It is 35 litres and washes large rocks like a charm.
No more bucket wrestling.
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Got a video of it in action? 
Here’s a video of one of those in action:
Thats where i copied it from. Im thinking of taking it and the feeder ans trying my luck at the bottom of the arrow on Friday where the bedrock is exposed.
Where’s the gold?
I watched the video. Pretty cool set up & certainly save your back. Ok if you can drive to spots but be a shit if you have to pack it in somewhere.
JW 
Needed a better angle on the sluice or classify down to 6mm for the feeder.
Only managed about 15 buckets
