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12/15/2014 | 2 MINUTE READ

DIAB materials enable commercial fishing boat rebuild

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Mundal Boat in Norway built, then expanded, the commercial purse seiner with cored sandwich construction.


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A good fishing boat must meet the demands of the fisherman. It has to withstand the rigors of the open sea during the worst conditions, have considerable power yet offer  long range and low fuel spending. M/S Bluefin, a 35m purse seiner built in DIAB composite material by Mundal Boat (Sæbøvågen, Norway, fulfills all these requirements and more.

A purse seiner uses a net called a seine that is laid out in a circle around a school of fish near the water's surface, which is drawn into a purse that closes the bottom, trapping the catch inside. The boat must be very stable since it has to tow and hoist this heavy load.

M/S Bluefin, owned by Nye Bluefin AS in Nekkøy, was built in 2000 and then expanded twice, in 2005 and 2006. In 2013 a decision was made to further extend the boat, adding 7.8 meters midship to increase the hold capacity. Mundal Boat handled each of the rebuildings. The company is well known for first-class work and has been cooperating with DIAB for more than 30 years, and specializes in design and construction of large innovative vessels in sandwich composite material. Composite boats are more durable and more economically effective than their wooden or steel-clad counterparts. As wooden and steel-clad boats are much heavier, they cannot reach such a high speed with the same engine. So the first benefit is that the boat uses much less fuel on each journey.

For M/S Bluefin, Divinycell core material is used throughout the entire vessel. With strong laminate skins, it offers the ideal combination of strength, stiffness and toughness. During the latest extension, where all the designs and dimensioning were provided by Maritime Engineering AS , M/S Bluefin's new middle section was built with Divinycell core material. Three new cargo holds were added and the total load capacity is now 300 cubic meters. In addition, a new deckhouse on the port side and an extended dayroom were added. It is now equipped for 11 people and will operate traditional inshore fishing.

“We have wanted a larger vessel for quite some time now,” said Steinar Nekkøy, managing director at Nye Bluefin AS. “Thanks to Mundal Boat , M/S Bluefin is now not only bigger but also more seaworthy. We are confident that it will fulfill all our expectations and be a valuable asset for future operations.”

Remember the famous first line: “He was an old man who fished alone in a skiff in the Gulf Stream and he had gone eighty-four days now without taking a fish”? Perhaps if Ernest Hemingway's old skipper had been offered a proper fishing boat, his luck might have changed.