# Ø3 ropes for the spanish burton with a lower block (drawn in place)

> How long are the ropes?

- 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/ropes-3mm-spanish-burton-with-lower-block/ · JSON: https://xemstudio.com/api/geometry?object=ropes-3mm-spanish-burton-with-lower-block · Plain text: https://xemstudio.com/objects/ropes-3mm-spanish-burton-with-lower-block/sheet.txt
- License: dimension sheet CC BY 4.0 (Xem Studio); files Xem Studio Design License (free to use and sell from, not to redistribute as files: https://xemstudio.com/license/)
- Use in every chat: add https://xemstudio.com/mcp as a connector (https://xemstudio.com/use-with-ai/)

## Overall (mm)

| length | width | height |
|---|---|---|
| 43.0 | 3.0 | 161.5 |

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

## Notes

- Ø3 rope drawn along its working path (vertical strands and half turns in the sheave grooves): rope-1 272.83 mm; rope-2 383.83 mm. Ends plug into Ø3 sockets; a free end is the hauling part.
- Xem Studio design following Brown's figure; true size, no printing allowance (apply your own to the mating features).

## Sizes

| dimension | value |
|---|---|
| rope | Ø3 |
| length, rope-1 | 272.83 mm |
| length, rope-2 | 383.83 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. 17: figure, his text and an animation](https://507movements.com/mm_017.html) — web — Publisher's page; dimensions are facts
- Xem Studio: [drawing](https://xemstudio.com/objects/spanish-burton-with-lower-block-mechanism/) — web — Publisher's page; dimensions are facts

## Free STEP/STL (2 parts, Xem Studio Design License, Xem Studio)

Index: https://xemstudio.com/files/hardware/ropes-3mm-spanish-burton-with-lower-block/index.json · license: https://xemstudio.com/files/hardware/ropes-3mm-spanish-burton-with-lower-block/LICENSE.md

- ropes-3mm-spanish-burton-with-lower-block-rope-1: [STEP](https://xemstudio.com/files/hardware/ropes-3mm-spanish-burton-with-lower-block/ropes-3mm-spanish-burton-with-lower-block-rope-1.step) · [STL](https://xemstudio.com/files/hardware/ropes-3mm-spanish-burton-with-lower-block/ropes-3mm-spanish-burton-with-lower-block-rope-1.stl) — rope-1: Ø3 rope, 272.83 mm along its centre line, drawn in place
- ropes-3mm-spanish-burton-with-lower-block-rope-2: [STEP](https://xemstudio.com/files/hardware/ropes-3mm-spanish-burton-with-lower-block/ropes-3mm-spanish-burton-with-lower-block-rope-2.step) · [STL](https://xemstudio.com/files/hardware/ropes-3mm-spanish-burton-with-lower-block/ropes-3mm-spanish-burton-with-lower-block-rope-2.stl) — rope-2: Ø3 rope, 383.83 mm along its centre line, drawn in place

## Questions

**How long are the ropes?**

Ø3 rope drawn along its working path (vertical strands and half turns in the sheave grooves): rope-1 272.83 mm; rope-2 383.83 mm. Ends plug into Ø3 sockets; a free end is the hauling part.

## Fits with

- [Spanish burton with a lower block (4 : 1)](https://xemstudio.com/objects/spanish-burton-with-lower-block-mechanism/)