RC plane 3/16″ bore (APC free flight, 1/2A): 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 | ø4.8 mm |
| Hub body | ø16.5 mm × 8.6 mm long |
Source quality: Manufacturer drawing or CAD.
Fit notes
APC 3/16″ (4.76 mm) bore as on its free-flight and 1/2A props: hub ø16.51 × 8.64 (APC 4.75x4 product page). Clamped by the adapter nut.
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.