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Trip-hammer helve 200 × 12 × 8, Ø5 pivot 80 mm from the tail
What is a hammer helve? · Modern device · basis: Xem Studio design following Brown's figure (1868); true size, no printing allowance
Also called: hammer helve, hammer lever, mango del martinete, Hammerhelm
Exact dimensions. True size, with no printing tolerance added.
- length
- 200.0 mm
- width
- 12.0 mm
- height
- 8.0 mm
Notes
- 200 × 12 × 8 bar pivoted on a Ø5 pin 80 mm from its tail end (first-order lever: the wiper presses the tail down, the 120 mm head end rises; when the wiper slips off, the head falls).
- Xem Studio design following Brown's figure; true size, no printing allowance (apply your own to the mating features).
Trip-hammer helve 200 × 12 × 8, Ø5 pivot 80 mm from the tail size chart
| dimension | value |
|---|---|
| bar | 200 × 12 × 8 mm |
| pivot | Ø5, 80 mm from the tail |
| arms | 80 (tail) / 120 (head) |
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.org | web | Publisher's page; dimensions are facts |
| 507movements.com | Brown's movement No. 353: figure, his text and an animation | web | Publisher's page; dimensions are facts |
| Xem Studio | drawing | web | Publisher's page; dimensions are facts |
Free files
★ Free files 1 parts. Xem Studio design: free to use, print and sell things from; not to be republished as files. Xem Studio Design License. index.json
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.Plain text: sheet.txt · JSON: /api/geometry?object=trip-hammer-helve-200x12

Fits with
Questions
What is a hammer helve?
200 × 12 × 8 bar pivoted on a Ø5 pin 80 mm from its tail end (first-order lever: the wiper presses the tail down, the 120 mm head end rises; when the wiper slips off, the head falls).
