In a way, the Wirtz is just an Archimedes’ screw in cross-section. Part of what makes it work, however, is air-locking. ... Continue reading “3D Printing A Centrifugal Water Pump ...

In a way, the Wirtz is just an Archimedes’ screw in cross-section. Part of what makes it work, however, is air-locking. [Steve] made a small model but found it didn’t work exactly as he expected.