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Displaying items by tag: OPV90

#NavalService - Afloat has tracked the Irish Naval Service's latest offshore patrol vessel carry out sea-trials which involved the €67m newbuild in the Bristol Channel while off the north Devon coast from where the ship was built, writes Jehan Ashmore.

The newbuild George Bernard Shaw is the fourth sister of the P60 class built in the UK yard of Babcock Marine & Technology in Appledore from where the OPV90 ship yesterday evening departed for sea-trials. The shipyard (see previous report) is located close to Bideford on the River Torridge. The facility is also where a previous generation belonging to a pair of P50 class were completed. These smaller OPV80 sisters (the figure referring to the hull length) were built at the same site of the Babcock shipyard albeit then run by Appledore Shipbuilders. 

The sea-trial saw the 23-knot capable P60 newbuild head as far west offshore of Hartland Point and later to the east but approach much closer to the shore off Illfracombe. Following these manouveres the 90m newbuild headed further west involving a figure of eight loop when off Lundy Island, before returning to the Bristol Channel.

At 2,250 tonnes the P60 class newbuild, likewise of sisters form the largest in tonnage terms in the navel fleet. The newbuild comes equipped with a comprehensive command, control and communications package while the main weapon consists of a 76mm bow-mounted gun. Installation of the gun as previously reported will be fitted later this year at the Irish Naval Service base located in Cork Harbour.

As for a delivery date to the Naval Service, this is subject to the completion of successful sea trails before a voyage can be made to the Naval Base on Haulbowline Island opposite Cobh.

The OPV by then in Irish waters will be formally named 'L.E. George Bernard Shaw' and commissioned into the Irish Naval Service. 

Published in Navy

The Half Ton Class was created by the Offshore Racing Council for boats within the racing band not exceeding 22'-0". The ORC decided that the rule should "....permit the development of seaworthy offshore racing yachts...The Council will endeavour to protect the majority of the existing IOR fleet from rapid obsolescence caused by ....developments which produce increased performance without corresponding changes in ratings..."

When first introduced the IOR rule was perfectly adequate for rating boats in existence at that time. However yacht designers naturally examined the rule to seize upon any advantage they could find, the most noticeable of which has been a reduction in displacement and a return to fractional rigs.

After 1993, when the IOR Mk.III rule reached it termination due to lack of people building new boats, the rule was replaced by the CHS (Channel) Handicap system which in turn developed into the IRC system now used.

The IRC handicap system operates by a secret formula which tries to develop boats which are 'Cruising type' of relatively heavy boats with good internal accommodation. It tends to penalise boats with excessive stability or excessive sail area.

Competitions

The most significant events for the Half Ton Class has been the annual Half Ton Cup which was sailed under the IOR rules until 1993. More recently this has been replaced with the Half Ton Classics Cup. The venue of the event moved from continent to continent with over-representation on French or British ports. In later years the event is held biennially. Initially, it was proposed to hold events in Ireland, Britain and France by rotation. However, it was the Belgians who took the ball and ran with it. The Class is now managed from Belgium. 

At A Glance – Half Ton Classics Cup Winners

  • 2017 – Kinsale – Swuzzlebubble – Phil Plumtree – Farr 1977
  • 2016 – Falmouth – Swuzzlebubble – Greg Peck – Farr 1977
  • 2015 – Nieuwport – Checkmate XV – David Cullen – Humphreys 1985
  • 2014 – St Quay Portrieux – Swuzzlebubble – Peter Morton – Farr 1977
  • 2013 – Boulogne – Checkmate XV – Nigel Biggs – Humphreys 1985
  • 2011 – Cowes – Chimp – Michael Kershaw – Berret 1978
  • 2009 – Nieuwpoort – Général Tapioca – Philippe Pilate – Berret 1978
  • 2007 – Dun Laoghaire – Henri-Lloyd Harmony – Nigel Biggs – Humphreys 1980~
  • 2005 – Dinard – Gingko – Patrick Lobrichon – Mauric 1968
  • 2003 – Nieuwpoort – Général Tapioca – Philippe Pilate – Berret 1978

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