S Class Propeller:

For High performance Yachts

We design S Class & Cupped propellers for specific vessel & engine combination to meet optimum performance. In order to perform optimally, these propellers are completely CNC machined with high precision to obtain finish tolerance to ISO Class I or S possible with high standard accuracy. The section and blade area ratio will be optimized to reach the lowest noise and vibration levels.


Diameter Range 22’’ – 50”
Blade 3, 4 & 5
DAR, Disc Area ratio 0.70 to 1.05
Manufacturing Tolerance ISO 484 CLASS S
Material Manganese Bronze/ Nialbr
Speed Range Up to 35 knots

CNC Machining Center for S Class Propeller Machining

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