Excavator bucket and rock crusher combo - GIF

Excavator bucket and rock crusher combo.

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Previously:

https://www.homemadetools.net/forum/...718#post147960
https://www.homemadetools.net/forum/...3602#post99570
https://www.homemadetools.net/forum/...2360#post76209
https://www.homemadetools.net/forum/...830#post129255
https://www.homemadetools.net/forum/...224#post145932

is that crushing, or simply screening? the last part of the cycle when oversized is dumped makes me think maybe the flyweights under the bucket are actually operating a screen of some description...