Former presidential yacht Williamsburg, which was converted in 1962 to oceanographic and biological research vessel R/V Anton Bruun, is twin screw vessel having 1100 shp direct diesel drive on each shaft; 150 shp active rudder provides for maneuverability in close quarters and on station, and for constant slow speeds (about 0.7-13.5 knots) during fishing and biological sampling programs; it was supplied by Pleuger Unterwasserpumpen GMBH; submersible electric motor is installed in rudder of normal design, propeller is fitted to motor shaft at after end about even with trailing edge of rudder.
Active rudder aids ship maneuverability
Undersea Technology
Undersea Technology ; 4 , n 8
1963
Aufsatz (Zeitschrift)
Englisch
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