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Ship propulsion system Promas plus
rudder/propeller

ship propulsion system
ship propulsion system
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Characteristics

Application domain
for ships
Other characteristics
rudder/propeller

Description

A natural evolution of the successful Promas, this system unites a new type of nozzle with an optimised propeller, hubcap, rudder bulb and a special rudder profile developed to provide very high steering forces yet minimise drag. It meets the requirements for large pulling power at low speed with a high free-running speed in transit. Components are designed to work together in a ducted system, maximising efficiency and minimising disturbances in the water flow both through and around the nozzle. Developed through CFD testing and analysis, the nozzle is a major advance on the profile used in conventional nozzle propeller installations. In a typical anchorhandler propulsion system it will reduce fuel consumption in transit by 15% or more, and improve bollard pull by around 5%. Depending on the exact requirements the rudder may be either a one-piece design or a medium flap type. Key Features Propeller and rudder designed as a single system for optimum efficiency Propulsive efficiency increased by 3 – 8 per cent Nozzle option can reduce fuel consumption in transit by 15 per cent or more Improved low speed manoeuvrability Improved possibility for low pressure pulse/low noise propeller design Almost as easy to install as a conventional propeller-rudder system Simple and robust with short payback time

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.