Propulsion auxiliary device.

摘要

The auxiliary propeller (5) is supported by the rudder horn (4) behind and independently of the main propeller (2), and the same (5) is attached to the rudder horn (4) from the direction of the forward side (B), that is to say in the direction of the backward water stream (F) produced by the main propeller (2), the main propeller shaft does not sustain any weight of the auxiliary propeller (5), the oil line (12) is not formed inside the main propeller (2), and even if the auxiliary propeller (5) sticks to the rudder horn (4), it will not affect the main propeller (2) and the main propulsion system. overall.