WORKBOATS AND TUGS 24.5m New Build Fishing Vessel ‘Orion’
Macduff Ship Design Limited are pleased to confirm the delivery by Macduff Shipyards of the new build fishing vessel, ‘ORION, BF 432’, to owner Brian Harvey and his two sons Andrew and Simon. This vessel replaces their previous fishing vessel of the same name, which was built by the same yard in the early noughties and is intended to fish around the coast of Scotland, predominately in the North Sea.
During the early design phase for the vessel a decision was taking to remodel the hull form based on results from a tank testing program which Macduff Ship Design and Macduff Shipyard were running with the intent to improve hull efficiency. A study was conducted by the Wolfson Unit in Southampton using CFD technology to compare the proposed new vessel against the previous model, with the results showing a net decrease in hull resistance at steaming speed. Following this Macduff Ship Design faired and finalised the hull form and produced a full set of steel construction plans along with conducting the incline experiment and producing the vessels stability booklet at the end of the build. The fabrication of the hull of ORION was subcontracted to Kedat Shipyard based in Szczecin, Poland with the construction reviewed and verified by Bureau Veritas to comply with the MCA’s construction standard and upon completion the hull was towed to Macduff for outfitting by the yard.
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www.dockyard-mag.com September 2021
The hull of ORION is built completely from steel, apart from the wheelhouse and mast, and features a double chine hull form, transom stern and modern bow designed to cut cleanly through the sea with less energy leading to a reduction in fuel consumption and emissions along with increased crew comfort. In broad terms the layout of the ORION is largely similar to some of the other recent new builds produced by the yard. Below deck features the cabins, engine room, fish hold and a large freshwater tank forward of the collision bulkhead. Whereas above deck is situated the aft shelter, galley/mess and side passage area, fish processing area and then a winch room forward where three split winches are sited.
A bespoke hydraulic deck machinery package was fabricated by the yard for the ORION comprising of a triple barrel winch powered by dual motors, two split net drums, two bagging winches, two small gear handling winches, cod end lifting winch and a dedicated anchor windlass. Thistle Marine of Peterhead supplied both the MFB8 landing crane and MBK13 powerblock crane, both of which featuring a slew ring base. Primary hydraulic power is provided by a single Parker hydraulic pump driven from a dedicated Mitsubishi 6D24 auxiliary engine producing 218 kW whilst secondary hydraulic power is provided by combination of one electric/hydraulic motor set with an output of 45 kW in tandem with a Parker hydraulic pump driven from a power take off fitted to the gearbox. A hydraulically powered bow thruster is also fitted of 180 hp. The hydraulic system, designed by the yard, is cooled via a Blokland box cooler and Bowman heat exchanger.
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