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16 Maritime Reporter & Engineering News The 45.9 ft. (14 m) catamaran RSS Scirocco has been built by South Boats' Special Projects Division to operate around the U.K. coastline supporting and servicing the inshore and offshore wind farm structures. The vessel is powered by twin Scania DI9 55M 420 hp engines driving twin UltraJet 376 waterjets, providing a design speed of 24 knots sprint, with an 18 knot service speed. Ben Colman, Sales Director, reports that Ultrajets were chosen because of the increased maneuverability and the ability to hold station while work was carried out. This was a key requirement when servicing offshore wind farms especially in very rough sea conditions. RSS Scirocco is fitted with a Kobelt multi-station electronic steering, throttle and bucket control system, tailored to the application with independent control over each waterjets steering and posi- tion, selected by various control modes from the main helm position. The waterjets can be serviced quickly and easily without dry-docking the boat, an important issue when a vessel is operat- ing in an area where there are no facili- ties to undertake extensive repair work. "During sea trials the boat performed faultlessly and proved the hulls compat- ibility to the UltraJet unit and speeds. Performance and manoeuvrability were well above expectation," said Coleman The vessel is fitted with an Island wheelhouse with flying bridge and observation deck atop. It will be paint- ed marine international safety orange while the hull and ring deck are to be left in a bare aluminium finish. The scantlings of the vessel have been substantially constructed by South Boats to take into account the vessels opera- tion. It is fitted with a central helm, sophisticated electronic navigation equipment, Kobelt electronic steering, with throttle and UltraJet bucket con- trols directed towards the helmsman's position. The wheelhouse is fitted with KAB seating for 12 passengers, plus crew. On deck is a Palfinger Marine PK4501M foldable crane. Code named SCC001, the vessel is a first of class new build for the newly formed South Boats Special Projects Division. The vessel marks a significant milestone in the company's history and is the smaller of the two new aluminium vessels that have been designed and entered into the company's sales portfolio. 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Circle 275 on Reader Service Card News Twin UltraJets for New Offshore Wind Farm Boat RSS Scirocco Main Particulars Length, oa. . . . . . . . . . . . . . . . . . . . .45.9 ft. (14.3 m) Length, hull . . . . . . . . . . . . . . . . . . . . .42.6 ft. (13 m) Breadth . . . . . . . . . . . . . . . . . . . . . . . . .20 ft. (6.1 m) Draft . . . . . . . . . . . . . . . . . . . . . . . . . . . .3.3 ft. (1 m) Displacement . . . . . . . . . . . . . . . . . . . . . . .16,000 kgs Diesel Engines . . . . . . . .2 x Scania DI9 55M 420 hp Waterjets . . . . . . . . .2 x Ultra Dynamics UltaJet 376 Design Speed . . . . . . . . . . . . . . . . . . . . . . . .24 knots Service Speed . . . . . . . . . . . . . . . . . . . . . . . .18 knots AC Electrics . . .HFL RIZ8.5KVA50 8.5Kva Ranger Deck Crane . . . . . . . . . . . . . . . . . . . . . . . . .Palfinger MR NOVEMBER 2005 #2 (9-16).qxd 10/28/2005 9:23 AM Page 16
