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Rolls-Royce to provide innovative propulsion system to yachts

03 June 2016

Rolls-Royce will deliver a new generation of high performance, lightweight steerable thrusters that makes comprehensive use of carbon fibre material for the first time.

Image courtesy of Rolls-Royce

Rolls-Royce has signed a contract with the Italian yacht builder, Benetti, to deliver these high-performance thrusters.

“Efficient and lightweight propulsion is key to reducing the environmental impact of a modern yacht,” said Vincenzo Poerio, Benetti, CEO. “We have been working closely with Rolls-Royce on a journey towards an excellent propulsion system for our new line of exclusive megayachts. The successful result of this collaboration has been confirmed by facts, indeed five units have already been sold and more units are already under construction to shorten delivery times and meet the increasing demand for this model.”

The new Azipull Carbon 65 (AZP C65) uses carbon fibre material for load carrying parts, resulting in a substantial reduction of the propulsion system’s weight. The new thrusters also facilitate a better vessel lay out while maintaining high propulsion efficiency, excellent manoeuvring capabilities and easy maintenance.

Gary Nutter, Rolls-Royce, EVP Propulsion and Engines, said: “This new development has greatly benefitted from the very good cooperation we have had with Azimut Benetti. Their skills as a yacht builder and their engagement with us in creating the perfect vessel are an inspiration.”

Designed initially for fast yachts, with further applications in passenger vessels and workboats, the Azipull Carbon brings to the market a lightweight, reliable and highly efficient propulsion system with very low noise and vibration levels.

The first thruster in the series, AZP C65, is designed for a power rating of 2MW and fitted with a fixed pitch, pulling type propeller – meaning the propeller faces forward. The driveline is designed with two spiral bevel gear sets, installed in a supporting structure that ensures optimum load carrying capacity in all operating conditions. The thruster can be steered using a hydraulic system. An Automation and Control system, based on Rolls-Royce’s Common Controls building blocks, has also been developed to match the new thrusters, which each weigh only 2,800kg (dry).

The contract covers a number of thrusters, planned for delivery over the next three years and delivered to RINA Rules for Classification of Yachts. The first yacht, a 125ft Fast Displacement called IRONMAN has already been delivered. Hulls two and three are under construction with delivery expected in the next few months.


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