I know its relitive but what's the optimal length and width of a sluice box

He ain't heavy he's my brother.

Why not show the whole video.

I made a new chain for a feeder hopper from scratch it probably took me 16hr their was a lot of parts between the took pipe and each link bar and roller i had to cut weld and rebuild the hoper was rusted out thirty inches up on each side i had to put the electric mortar and a trany from a truck to gearbox it was a lot to do if i hade to do the adjustment for the chan was good that was a big help i was welding with no gloves antel I lit up my finger it turned black it was not a blister but more like a calls didn't do that again

Learn from your mistakes .

Many problems , with no end results !!  Terrible editing ...