RC plane collet adapter, M8 output (5 to 8 mm motors): prop hub dimensions
The fit dimensions PropShaper uses for drone and RC propellers on this mount, with the sources behind them. Open it in the studio to design a propeller around this hub and export an STL for printing.
Dimensions
| Shaft bore | ø8.1 mm |
| Hub body | ø19 mm × 14 mm long |
Source quality: Maker spec or retailer listing.
Fit notes
Collet adapters for 5, 6 and 8 mm motor shafts present an M8×1.25 stud: prop bore 8, hub up to 16 mm (5 mm collet) or 19 to 25 mm (6 and 8 mm) tall (Innov8tive Designs).
Sources
Every dimension stays editable in the studio, so you can adjust the bore or add a set screw to match your own hardware. Printed props are prototypes: check the fit on the bench and spin them up behind a guard.