Patent ID: 8690620

Claim:
A boat ( 10 ) comprising a steering unit and a propulsion unit: said propulsion unit comprising at least one driving shaft ( 11 , 11 ′) passing in an opening of a transom of the hull ( 12 ) to transmit motion from an engine to at least one propeller ( 21 , 21 ′), and one through-hull support ( 100 ) positioned in said opening of the transom of the hull ( 12 ) and provided with a plate portion ( 101 ) fixed to said hull ( 12 ) at the outside of said hull ( 12 ) of the boat ( 10 ) and a through hull tubular portion ( 102 ) passing said plate portion ( 101 ) through said opening of the transom of said hull ( 12 ) for supporting two driving shafts ( 11 , 11 ′),said steering unit comprising at least one steering ( 14 ) provided with at least one rotation pin ( 13 ), said through-hull support ( 100 ) further comprising at least one bush ( 103 ) passing through said plate portion ( 101 ) to rotationally support said pin ( 13 ) bearing said steering ( 14 ) said pin ( 13 ) having an end ( 15 ) opposite to said steering ( 14 ) that is connected to means ( 16 ) for controlling the rotation of said steering ( 14 ) where said means ( 16 ) are arranged inside said boat ( 10 ), wherein and in that said wall ( 12 ) of the hull where said passage opening of said transom of the hull ( 12 ) where said passage opening of said at least one driving shafts ( 11 , 11 ′) is positioned, is inclined from the top to the bottom in the direction of the stem of said boat ( 10 ), said at least one steering ( 14 ) being arranged between said hull ( 12 ) and said at least one propeller ( 21 , 21 ′).