Patent ID: 6783410
Filing Date: 2004-08-31
Classification: B63H

Abstract:
Drive arrangement in a boat, comprising a propeller drive unit fixedly arranged to the outside of a boat hull, having an at least essentially vertical drive shaft, which, via an angle gearing enclosed in an underwater housing, drives at least an essentially horizontal propeller shaft with a tractive propeller arranged on the forward facing side of the underwater housing, a rudder mounted in a wing-profile-like portion of the underwater housing for pivoting about a vertical axis aft of the propeller and a drive unit arranged inside the hull, with which the vertical drive shaft is drivably connected, characterized in that the rudder comprises a first rudder blade (22a), which is mounted in the underwater housing (5) for pivoting about a first vertical pivot axis (sâ€²), and a second rudder blade (22c), which is mounted in an aft-facing edge of the first rudder blade for pivoting relative to the first rudder blade about a second vertical pivot axis (sâ€³).