Grape separator/destemming machine - GIF

Grape stem removing machine.

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Previously:

https://www.homemadetools.net/forum/...649#post167045
https://www.homemadetools.net/forum/...743#post167340
https://www.homemadetools.net/forum/...959#post152967

works on the principle of the grape berries dropping between the vanes of the rotating "spline" and the the stem being connected to other things (self or other berries) can't follw the grapeas the vane turns, so pops out of the grape and is left behind. - is that correct?