PACIFIC MARITIME MAGAZINE
Propulsion Options for Better Steering and Fuel Efficiency
By Peter Marsh
The last year has seen continued development of propulsion systems to meet the needs of operators of specialized vessels like harbor and escort tugs, ferries and fireboats. These range from controllable-pitch (CP) propellers all the way to Voith cycloidal drives, but the azimuthing stern drive (ASD), combining propulsion and steering in a single unit, remains the most popular.
Azimuthing
Stern Drive
The Schottel company, builders of the first ASD in 1950, continue to be a major supplier…MORE
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