The latest version of Rolls-Royce stabilisation systems is, in part, aimed at ice-classed ships.
Rolls-Royce’s stabilisation at rest (SAR) system, incorporated into both the Aquarius and Neptune ranges of Rolls-Royce retractable stabilisers, is designed to limit roll reduction when a vessel is at rest.
In the new version of the stabilisers, the fins can be fully retracted into a custom-designed ‘fin box’, so there are no protrusions from the hull form while a vessel is navigating through ice.
The design also reduces fin area and lowers fin angle to meet stabilisation performance requirements.
Rolls-Royce Motion Control Dunfermline managing director Martin Cunningham said “The one-piece fin construction offers simple maintenance, reducing through-life cost. The fin shape is designed to improve zero-speed performance, as more chord is behind the fin centreline.”
Recognising that the Rolls-Royce ice class SAR stabilisers are likely to be employed on vessels sailing in environmentally sensitive areas, a special quad seal arrangement ensures minimal risk of leakage, and the machinery is fully compatible with a wide range of EALs (environmentally acceptable lubricants)….
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