Hopper size?

[KimberlyV]

I am going on the theory that twelve pounds of pay cannot go into a 10 pound trommel build. This in mind, does anyone have a suggestion on how to match hopper size to trommel size. Dry trommel, about 34 inches diameter. I have not decided on a 3 or 5 inch grizzly yet. Trommel plan is about the length 34 inches to match: a tumble, 1/4 screen, tumble, 1/2 screen, final tumble to exit). So I'm thinking around 9 feet. Any help on the hopper size fit would be great.

 

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[Bill_saf]

and how do you plan on feeding this trommel? bob cat, back hoe, excavator what size bucket? is it going to have a conveyor to feed the trommel from the hopper like my avatar?

 

[kcm]

"I am going on the theory that twelve pounds of pay cannot go into a 10 pound trommel build."

Two words: "feed rate"