Propeller Boss Cap Fins

Sir Reel

Well-Known Member
Smooths the vortices created by the propeller blades and hub, and reduces drag and cavitation. Expect these to make their way to smaller propellers soon.


PBCF was also selected by the Port of Vancouver, Canada's Eco Action Program as a device that reduces underwater noise, which has a negative impact on sea life, including whales and other underwater mammals. Vessels equipped with PBCF are eligible for preferential treatment on port dues (Note 3), when transiting to the Port of Vancouver. Inclusion in the Eco-Action Program represents another way PPCF contributes to environmental protection and conservation.

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It would be interesting to see a duo-prop drive capped off with one of these devices 😁
 
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