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Romarin stern tube 90 mm with M4 shaft × 130 mm (ro1441)
What are the dimensions of the Romarin 90 mm stern tube with M4 shaft? · Modern device · basis: Secondary source: Lindinger (Krick distributor) (copy of the maker's figures; the maker publishes none directly)
Also called: romarin stern tube 90mm, ro1441, m4 stern tube 4mm shaft, rc boat stuffing tube 6mm, m4 prop shaft, 4mm propeller shaft rc boat, stevenrohr m4 90mm, stevenrohr 4 mm welle, tubo de bocina m4, rc boot wellenanlage m4
Exact dimensions. True size, with no printing tolerance added.
- length
- 6 mm
- width
- 6 mm
- height
- 130 mm
Notes
- A ready-made Romarin (Krick) stern tube for scale models: 90 mm tube, 6 mm diameter, carrying a 4 mm shaft 130 mm long with an M4 prop thread.
- Figures are from Lindinger (Krick distributor); whether 6 mm is the outside diameter is not stated, and the coupling-end thread is not published.
- True size, no printing tolerance added. Only published numbers are used; anything not published is said so.
- Secondary source: the numbers come from a retailer or magazine copy of the maker's specification.
Romarin stern tube 90 mm with M4 shaft × 130 mm size chart
| dimension | value |
|---|---|
| Stern tube length | 90 mm |
| Stern tube diameter | 6 mm |
| Shaft diameter | 4 mm |
| Shaft length | 130 mm |
| Propeller thread | M4 |
| Bearing | plain bearing |
| Manufacturer no. | ro1441 |
Where the files are
Other publishers' files are linked, not hosted. "verify" = check the license at the link before commercial use.
| Lindinger (Krick distributor) | ROMARIN Sterntube 90 shaft M4x130mm | web | Publisher's page; dimensions are facts |
Free files
★ Free files 2 parts. Generated by Xem Studio from the standard; threads are plain cylinders at major diameter. CC BY 4.0. index.json
| romarin-stern-tube-90mm-m4-ro1441-tube-envelope | Stern tube Ø6 × 90 mm outside envelope (bore not published) | STEP · STL |
| romarin-stern-tube-90mm-m4-ro1441-shaft | Shaft Ø4 × 130 mm (prop thread not modelled; overhang split not published) | STEP · STL |
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=romarin-stern-tube-90mm-m4-ro1441

Fits with




Questions
What propeller fits this shaft?
Any prop with an M4 internal thread (4 mm shaft).