# Archimedes screw rotor Ø60, pitch 60, 3 turns, Ø12 shaft

> What are the proportions of an Archimedes screw?

- Category: Hardware › Mechanism parts
- Kind: Modern device
- Basis: Xem Studio design following Brown's figure (1868); true size, no printing allowance
- Page: https://xemstudio.com/objects/archimedes-screw-rotor-60/ · JSON: https://xemstudio.com/api/geometry?object=archimedes-screw-rotor-60 · Plain text: https://xemstudio.com/objects/archimedes-screw-rotor-60/sheet.txt
- License: dimension sheet CC BY 4.0 (Xem Studio); linked files under their publishers' licenses
- Use in every chat: add https://xemstudio.com/mcp as a connector (https://xemstudio.com/use-with-ai/)

## Overall (mm)

| length | width | height |
|---|---|---|
| 60.0 | 60.0 | 220.0 |

**Exact dimensions.** True size, with no printing tolerance added.

## Notes

- 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).

## Sizes

| dimension | value |
|---|---|
| outside Ø | 60 mm |
| pitch | 60 mm |
| turns | 3 |
| flight | 3 mm |
| shaft | Ø12 × 220 mm |

## Where the files are

- Henry T. Brown (1868, public domain): [Five Hundred and Seven Mechanical Movements — scan on archive.org](https://archive.org/details/fivehundredseven00browiala) — web — Publisher's page; dimensions are facts
- 507movements.com: [Brown's movement No. 443: figure, his text and an animation](https://507movements.com/mm_443.html) — web — Publisher's page; dimensions are facts
- Xem Studio: [drawing](https://xemstudio.com/objects/archimedes-screw-mechanism/) — web — Publisher's page; dimensions are facts

## Free STEP/STL (1 parts, CC BY 4.0, Xem Studio)

Index: https://xemstudio.com/files/hardware/archimedes-screw-rotor-60/index.json

- archimedes-screw-rotor-60: [STEP](https://xemstudio.com/files/hardware/archimedes-screw-rotor-60/archimedes-screw-rotor-60.step) · [STL](https://xemstudio.com/files/hardware/archimedes-screw-rotor-60/archimedes-screw-rotor-60.stl) — rotor, axis Z, flight z 0..180

## Questions

**What are the proportions of an Archimedes screw?**

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.

## Fits with

- [Archimedes' screw (water-raising screw)](https://xemstudio.com/objects/archimedes-screw-mechanism/)
