# Governor head: Ø16 × 14 collar with forked ears, pivots 28 mm apart

> What carries the governor arms?

- 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/governor-head-16-ears-14/ · JSON: https://xemstudio.com/api/geometry?object=governor-head-16-ears-14 · Plain text: https://xemstudio.com/objects/governor-head-16-ears-14/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 |
|---|---|---|
| 38.0 | 16.0 | 14.0 |

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

## Notes

- Ø16 × 14 collar fixed to the Ø8 spindle with forked ears (two 5 mm cheeks each side) holding the arms' Ø3 pivot pins 14 mm from the axis.
- Xem Studio design following Brown's figure; true size, no printing allowance (apply your own to the mating features).

## Sizes

| dimension | value |
|---|---|
| collar | Ø16 × 14, Ø8 bore |
| pivots | 2 × Ø3, 14 mm from the axis |
| ears | forked, 5 mm cheeks |

## 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. 161: figure, his text and an animation](https://507movements.com/mm_161.html) — web — Publisher's page; dimensions are facts
- Xem Studio: [drawing](https://xemstudio.com/objects/flyball-governor-mechanism/) — web — Publisher's page; dimensions are facts

## Free STEP/STL (1 parts, Xem Studio Design License, Xem Studio)

Index: https://xemstudio.com/files/hardware/governor-head-16-ears-14/index.json · license: https://xemstudio.com/files/hardware/governor-head-16-ears-14/LICENSE.md

- governor-head-16-ears-14: [STEP](https://xemstudio.com/files/hardware/governor-head-16-ears-14/governor-head-16-ears-14.step) · [STL](https://xemstudio.com/files/hardware/governor-head-16-ears-14/governor-head-16-ears-14.stl) — head on the spindle axis, pivots at (±14, y, 135)

## Questions

**What carries the governor arms?**

Ø16 × 14 collar fixed to the Ø8 spindle with forked ears (two 5 mm cheeks each side) holding the arms' Ø3 pivot pins 14 mm from the axis.

## Fits with

- [Centrifugal (fly-ball) governor](https://xemstudio.com/objects/flyball-governor-mechanism/)