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Escape wheel, 30 teeth, Ø50, club-free pointed teeth raked forward

What does an escape wheel look like? · Modern device · basis: Xem Studio design following Brown's figure (1868); true size, no printing allowance

Also called: escape wheel, clock escape wheel, escapement wheel, rueda de escape, Hemmungsrad

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

length
50.0 mm
width
49.73 mm
height
3.0 mm

Notes

  • Ø50 × 3 escape wheel with 30 pointed teeth 2.5 mm deep (root Ø40), the locking face of each tooth raked 3° forward so only the tip touches a pallet; Ø5 bore. It turns anticlockwise (seen from the front) under the drive weight or spring.
  • Works with the dead-beat (Graham) anchor and the recoil anchor on this site: pallets span 7½ teeth with the anchor pivot 35.36 mm above the wheel centre.
  • Xem Studio design following Brown's figure; true size, no printing allowance (apply your own to the mating features).

Escape wheel, 30 teeth, Ø50, club-free pointed teeth raked forward size chart

dimensionvalue
teeth30
tip Ø50 mm
root Ø40 mm
thickness3 mm
boreØ5

Where the files are

Other publishers' files are linked, not hosted. "verify" = check the license at the link before commercial use.

Henry T. Brown (1868, public domain)Five Hundred and Seven Mechanical Movements — scan on archive.orgwebPublisher's page; dimensions are facts
507movements.comBrown's movement No. 289: figure, his text and an animationwebPublisher's page; dimensions are facts
Xem StudiodrawingwebPublisher's page; dimensions are facts

Free files

★ Free files 1 parts. Generated by Xem Studio from the standard; threads are plain cylinders at major diameter. CC BY 4.0. index.json

escape-wheel-30t-d50wheel, z 0..3, a tooth tip on +XSTEP · STL
Let your AI pull this. Add https://xemstudio.com/mcp to Claude, ChatGPT, Cursor or any MCP client (free, no account, one minute) and it can look up exact sizes, mating fits and free STEP/STL from every chat.
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Plain text: sheet.txt · JSON: /api/geometry?object=escape-wheel-30t-d50

Escape wheel, 30 teeth, Ø50, club-free pointed teeth raked forward, isometric render of a generated part
Render of escape-wheel-30t-d50 from the free STEP; not to scale.

Fits with

Dead-beat (Graham) escapement: escape wheel and anchor, isometric render of a generated part
Dead-beat (Graham) escapement: escape wheel and anchor5 sizes★ 1 file
Recoil anchor escapement: escape wheel and anchor, isometric render of a generated part
Recoil anchor escapement: escape wheel and anchor5 sizes★ 1 file

Questions

What does an escape wheel look like?

Ø50 × 3 escape wheel with 30 pointed teeth 2.5 mm deep (root Ø40), the locking face of each tooth raked 3° forward so only the tip touches a pallet; Ø5 bore. It turns anticlockwise (seen from the front) under the drive weight or spring.