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SPP Software 

The SPP package contains software that will enable you to become a propeller expert, simply input the known performance details of a boat and the software will calculate the unknown details for you.

Propeller Sizing (inboard Propellers)

Calculates the estimated hull speed and inboard propeller size for pleasure and commercial boats that are displacement or planning hull designs.

Propeller Pitch Adjustment

Calculates the propeller pitch required to achive the correct engine RPM.

Propeller Performance calculation

Provides you with accurate tools to predict the performance of each characteristic of a boats engine, drive and propeller system.


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