This is a propeller for an ROV or AUV. Designed for operation of around 1000-1200 RPM in water.
Propeller Disk Diameter: 10cm
Hub Diameter: 2cm
Shaft Bore Inside Diameter: 5mm
(This has been designed to propel a 5.5" diameter AUV at cruise speed of approx 1.5 m/s)
Matching Kort nozzle is available here.