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It is reported that the S4 series water jet propeller is specially developed to meet the requirements of high-speed ferry company for slowing down navigation. Although the service speeds for most high-speed ferries have previously ranged from 45 to 45 knots, due to increased fuel costs, ferry operators are looking to optimize the reduction of speed and fuel consumption while improving ferry efficiency. Water jet propeller.
The S4 series of waterjet propulsion tests were carried out on the recently upgraded Tangalooma Jet ferry. The ferry is a 350-speed high-speed twin ferry that can sail on the coast of Brisbane, Australia. The test results show that the water jet propeller installed on the ferry can increase the thrust by 3%.
Kamewa Waterjets installed two 63S4 waterjets on the ferry to replace the Kamewa 63SII waterjet. The upgraded ferry has a complete set of retrofitted drive mechanisms, including the engine and water jet propulsion, which fully meet the expected requirements. The efficiency of the ferry throughout the entire range of speeds has been improved to meet the requirements of the ferry operating at 30 knots. By reducing fuel consumption at a certain workload, CO2 emissions are reduced and the range of use of the ferry is increased. The hydraulic system on board also helps to reduce the risk of oil spills. The test also proved that the ferry equipped with the 63S4 water jet propeller has lower noise and vibration, thus greatly increasing passenger comfort.
It is reported that the ferry using the 63S4 water jet propeller can save the shipowner about $80,000 in fuel costs per year.
Rollo S4 series water jet propeller completes sea trial
Rollo said that the company has successfully completed the first batch of S4 series waterjet propulsion sea trials. This product can improve the efficiency of the ship at lower speeds.