Variable trim boat

Abstract

The variable trim boat comprises a pair of hollow bodies, arranged on the sides of the boat in symmetrical position with respect to the longitudinal axis, which stretch from a central position of the hull up to the stem area. The hollow bodies comprise respective no-leakage-chamber box structures, isolated from the boat, suitable to be kept empty or filled up with water to improve the trim and the stability of the boat both in static and in dynamic conditions.

1 . Variable trim boat, characterized in that it comprises at least one hollow body suitable to act as a flap, the said hollow body being constituted by a box structure with no-leakage chamber, insulated from the boat, suitable to be kept empty or filled with water to improve the trim and the stability of the boat both in static and in dynamic conditions, and stretching at least from a central position of the hull until the stem area. 
   
   
       2 . Boat according to  claim 1 , characterized in that it comprises at least a couple of said hollow bodies, symmetrically arranged at the sides of the boat with respect to the longitudinal axis. 
   
   
       3 . Boat according to  claim 2 , characterized in that the said hollow bodies stretch from a central position of the hull until the stern area. 
   
   
       4 . Boat according to  claim 1 , characterized in that the said hollow body is provided with at least one reclosable opening, which is adapted to the inlet and outlet of the water from the said hollow body. 
   
   
       5 . Boat according to  claim 4 , characterized in that the said reclosable opening is arranged on the back side of the said hollow body. 
   
   
       6 . Boat according to  claim 4 , characterized in that the said reclosable opening can be activated by the conductor of the boat through suitable control handles arranged inside the boat. 
   
   
       7 . Boat according to  claim 1 , characterized in that the said hollow body is inserted, at least partly, in the lines of the hull. 
   
   
       8 . Boat according to  claim 1 , characterized in that the said hollow body has, on its inside, inflatable and deflatable hoses, operated through compressor, with the aim to retrieve water to the inside and to eject it to the outside. 
   
   
       9 . Boat according to  claim 1 , characterized in that it comprises at least one valve, arranged in a lifted position on the said hollow body, suitable to allow the inlet and outlet of air in the said hollow body, in order to facilitate the inlet and the outlet of water in the said hollow body. 
   
   
       10 . Boat according to  claim 9 , characterized in that the said valve comprises an air-water separator filter, suitable to prevent the outflow of water from the top part of the said hollow body. 
   
   
       11 . Boat according to  claim 1 , characterized in that it comprises electrical and electromechanical controls with either automatic or manual use, suitable to control, to fill and to empty the said hollow bodies, the said controls being equipped with suitable loading-downloading detectors supported by possible visual-acoustic control and security systems. 
   
   
       12 . Device for changing the static and dynamic trim of boats, characterized in that it comprises at least one hollow body suitable for being applied to the boat, in symmetrical position with respect to the longitudinal axis and stretching at least from a central position of the hull until the stem area, the said hollow body comprising a box structure with no-leakage chamber, insulated from the boat, suitable to be kept empty or filled with water to improve the trim and the stability of the boat both in static and in dynamic conditions.