| 摘要 |
A propulsor arrangement for operation in icy as well as open water, for a marine vessel having a hull (S) with a center line (CL) extending between a forward end (3) and an aft end (4), said propulsor arrangement comprising a plurality of azimuthing thrusters (1A-ID) having a centre of rotation (CR) and a longest lateral distance (R) that it protrudes from said centre of rotation (CR), preferably having at least one azimuthing thruster (1A-ID) with a propeller (2) arranged to act in ice, wherein said propulsor arrangement includes at least three azimuthing thrusters (1A, 1B, 1G) positioned close to one end (3, 4) of said hull (S), including at least one pair (1A, 1B) positioned substantially symmetrical in relation to said center line (CL) along a transversal line in relation to said center line (CL) a first distance (Q1) apart a and at least one azimuthing thruster (1G) positioned closer to said end (3, 4) and said centerline (CL) and positioned a longitudinal distance (P1) away from said transversal line. |
