Minn Kota 5/16″ shaft (MKP-1, MKP-5): prop hub dimensions
The fit dimensions PropShaper uses for e-foil and boat 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 |
| Drive slot | 3.6 mm wide × 4 mm deep across the front face |
| Hub body | ø60.3 mm × 44.5 mm long |
Source quality: Manufacturer drawing or CAD.
Fit notes
Minn Kota MKP-1 drawing: 5/16″ bore, hub ø60.3 × 44.5 (MKP-5 is ø63.5 × 31.8). 1/8″ × 1.06″ drive pin (2092600) in a slot across the motor-side face; slot size is conventional (pin + 0.4).
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.