Clamp on Prop Protector suits 50 mm shaft - 127 mm diameter Blade
50mm BORE CLAMP-ON PROP PROTECTOR 127mm DIAMETER BLADE
Supplied as an assembly that is split into two halves along the longitudinal axis so that it can be installed on the shaft without removing the propeller. The width is 17mm (0.67"). A gap of 23mm (0.9") is sufficient; this includes 6mm (1/4") of space for water to circulate to the shaft bearing. It is clamped onto the shaft by two Allen screws and is also fixed by a set screw that locates into a small drill dimple made in the shaft.
Manufactured and fitted as the Clamp-On Standard and Clamp-On Medium, the width is the same, the only difference is the blade diameter that is 127mm (5") This type is available for shafts of 1 3/4" & 2" dia and 45mm & 50mm dia. Designed for vessels with extra-large stern bearings and big propeller hubs.