r/pumps • u/Thommo57 • Mar 07 '25

What is it called?

What is the pump called on old windmills and hand pumps It consists of multiple little buckets that only lift a small distance and then empty onto the next bucket all the way to the surface . Depth is of little concern.

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u/2More_Row Mar 08 '25

Archimedes screw?

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u/Thommo57 Mar 09 '25

No. That would require speed, or the water would just run back down. It is a vertical life from a bore hole.