摘要 |
A steering unit (10) for a barge tow (12). The steering unit (10) has a hull (16) which includes a pair of spaced longitudinally extending portions (50, 52) and defining a cavity or tunnel (54) therebetween. A propeller (48) and rudder (36) are mounted within the cavity (54). Rear flaring side portions (74) define the cavity (54) adjacent the rudder (36) and the rudder (36) is movable between contact positions against opposed side portions (74) for exerting a maximum side thrust.
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