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Displaying items by tag: Shackleton Polar Explorer

#ShackletonShips - The Ross Sea announced as the World’s largest marine park in the Antarctic is where ice patrol survey ship HMS Endurance nearly sank in the south Atlantic in 2008. Since then the ship has remained laid up, however in recent months she was scrapped, writes Jehan Ashmore.

HMS Endurance (A171) a former Royal Navy vessel based in the polar seas was named in honour of Sir Ernest Shackleton’s original expedition sail and steam ship Endurance.

The three-masted barquentine, Endurance was crushed by pack ice and sunk more than a century ago in late 1915. The incident took place during the Imperial Trans-Antarctic expedition of 1914-1918 led by the Irish born polar explorer. A 15ft model of the ship is on display in the Athy Heritage Museum, Co. Kildare and more recently a statue of Shackleton was unveiled. 

The 1995 built HMS Endurance had a near floundering incident in December 2008 while off Chile. The 5,129 gross tonnage vessel suffered flooding of her engine room that nearly sank her, following an error during routine maintenance on a sea suction strainer.

The damage was so severe that HMS Endurance was transported by semi-submersible ship to the UK, firstly Dartmouth and then Portsmouth  Naval Base. It was deemed far too expensive to carry out repairs and she was sold for scrap in 2013, however since Afloat’s coverage almost three years ago, the towage of the vessel only took place in June when bound for breakers in Turkey.

She had been employed as a hydrographic and support vessel for British Antarctic Survey (BAS), which is responsible for the UK's national scientific activities in Antarctica. A £150m newbuild RRS Sir David Attenborough currently under construction will join her fleetmates as outlined below. 

HMS Endurance was originally built as MV Polar Circle for Norwegians in 1990, then chartered to the Royal Navy and purchased. The navy equipped the vessel with Lynx helicopters as BAS aircraft cannot reach certain locations in the vast polar expanse.

Currently, the Royal Navy’s presence in these polar waters and the South Atlantic is tasked to HMS Protector (A173). Likewise of her predecessor, she operates along with BAS ships.

They are the civilian-manned polar research vessels, RRS Ernest Shackleton and RRS James Clarke Ross. The naming of the ship honours that of the British explorer who in 1841 visited the area (Ross Sea) located in southern Antarctica.

Published in Marine Science

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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