1 Scope
This document provides general guidelines for design and manufacture of a hub vortex
energy-saving device for a fixed-pitch marine propeller. This document can also apply
to the design and manufacture of hub vortex energy-saving device for other types of
marine propellers.
According to the specific geometrical shape of the propeller and other specifications,
it is suggested that hub cap with fins is used in merchant ships.
BS ISO 23453:2022 history
2023BS ISO 23453:2022 Ships and marine technology. Guidelines for the design and manufacture of the hub cap with fins for a fixed-pitch marine propeller