The invention concerns a ship low-noise hydrojet propeller unit with good performance. It mainly comprises a hydrojet propeller assembly consisting of a hydraulic screw (7) feeding a helico-axial pump (8) emerging in the diffusers (9). A nozzle (10) completes the assembly, which is powered...
A protruding part 31 of a clamp 3 is then disposed in a clamp recess part 17 of the tip, and the clamp is tightened by a bolt 5, then the tip is fixed to the tip seat 21 strongly and correctly while the protruding part 22 of the tip seat is pushed to the protruding part 24 of...