Archimedes screw rotor Ø60, pitch 60, 3 turns, Ø12 shaft — dimension sheet Source: Xem Studio, https://xemstudio.com/objects/archimedes-screw-rotor-60/ (CC BY 4.0) Basis: Xem Studio design following Brown's figure (1868); true size, no printing allowance Catalog version: 2026-10-20 Overall (mm): length 60.0, width 60.0, height 220.0 - Single helical flight, Ø60 outside, 3 mm thick, pitch 60 mm (pitch = outside diameter, the classic proportion), 3 turns (180 mm) on a Ø12 shaft that runs 20 mm past each end. - Inclined at 30–40° in water it lifts a pocket per turn; it is a Xem Studio model following Brown's figure. - Xem Studio design following Brown's figure; true size, no printing allowance (apply your own to the mating features). dimension value outside Ø 60 mm pitch 60 mm turns 3 flight 3 mm shaft Ø12 × 220 mm Files elsewhere (not hosted by Xem Studio; license as stated by the publisher): - Henry T. Brown (1868, public domain): Five Hundred and Seven Mechanical Movements — scan on archive.org — web — Publisher's page; dimensions are facts — https://archive.org/details/fivehundredseven00browiala - 507movements.com: Brown's movement No. 443: figure, his text and an animation — web — Publisher's page; dimensions are facts — https://507movements.com/mm_443.html - Xem Studio: drawing — web — Publisher's page; dimensions are facts — https://xemstudio.com/objects/archimedes-screw-mechanism/ Free files (CC BY 4.0, Xem Studio; STEP + STL, 1 parts): https://xemstudio.com/files/hardware/archimedes-screw-rotor-60/index.json API: https://xemstudio.com/api/geometry?object=archimedes-screw-rotor-60