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Radiance of the Seas first ship to benefit from improved Azipod design

In:
23 Nov 2011

The manufacturers of the Azipod podded propulsion system that is found aboard many cruise ships has made modifications to the design that have improved hydrodynamic efficiency by more than 2 percent.

The modifications include a newly optimized Azipod fin shape and a new pod cap structure, called the X-tail. The revised fin structure receives water flow from the propeller at a new, less acute angle, and its new curved design redirects the flow more efficiently. The unit's new X-tail, installed for the pod cap structure, straightens water flow on ejection from the Azipod propulsor, minimizing water swirling.

Royal Caribbean's Radiance of the Seas was the first ship to benefit from the new fin shape and X-tail. The Azipod modifications were completed during her drydocking in May 2011. Radiance saw the benefits immediately in her sailings from May to September when more than 2 percent in hydrodynamic efficiency improvement was achieved.

Anders Aasen, Associate Vice President of Technical Services for Royal Caribbean, discussed the importance of being more efficient, "The fuel efficiency improvements measured on Radiance of the Seas are welcomed reprieve in today's higher fuel prices. Any improvements we can make on fuel efficiency will serve us well for future operational costs."

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