Fifth vessel for skipper
Keen to further improve fuel efficiency, service speed and sea keeping from the existing vessel, an early study concluded that a longer vessel, free from the constraints of registered length, would probably be required. At this point the Wolfson Unit, based in Southampton UK, was contracted to complete an initial trial using CFD technology to assess the differences in calm water hull resistance between the existing model and a new longer concept model.
As expected, the data showed that a significant reduction in hull resistance could be achieved with a longer hull form, however, the computational based analysis could not assess the differences in sea keeping qualities. Over to the Solent University Towing Tank facility for scale model towing tests at a range of speeds in both calm water and head seas with wave properties reflecting those found in the north Atlantic where the owner typically operates; conclusively proving that the longer hull experienced considerably less pitching motions along with lower bow impact from wave force.
With the research complete, one final review saw the hull lengthened by a further metre to seek further improvements in hull efficiency as well as affording a little more space within the vessel. With the hull lines faired and stability assessed the construction plans were then drawn up and submitted to Bureau Veritas classification for approval along with the outfitting and engineering drawings.
Finomar Shipyard based in Szezcin, Poland were sub-contracted to fabricate the hull and wheelhouse which upon completion was towed to Macduff for full outfitting to MCA and BV regulations. Sea and fishing trials were conducted in the Moray Firth before the vessel was signed over to the new owners who departed their maiden trip, fishing off the west coast of Scotland. Early indications are that the hull is performing as anticipated with increased speed, reduced fuel consumption and improved sea keeping evident.