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Displaying items by tag: Björn Dunkerbeck

Björn Dunkerbeck added another accolade to his legendary windsurfing career by posting the fastest ever time on the water with a top speed of 103.67kph during the Lüderitz Speed Challenge in Namibia.

Ever since French windsurfer Antoine Albeau broke the 50-knot barrier, Dunkerbeck has been on the hunt for 100kph after a career that started in 1986 and has featured over 100 Professional Windsurfing Association (PWA) titles and numerous PWA Wave World Championship crowns.

Dunkerbeck's first speed record is now almost 30-years-old when he hit 43.30 knots (80.1kph) in 1992 however - as the technology to measure speed and windsurfing equipment evolved - he kept chasing the next milestone, which led him to what may be the last big one: 100kph.

The 52-year-old Dutchman knew that hitting such insane speeds on the water requires an incredible amount of skill, experience and intimate knowledge of your equipment but, ultimately, it's the perfect spot and wind conditions that would make this record-breaking run possible.

Björn DunkerbeckBjörn Dunkerbeck seen at 2021 Bora Challenge, Trieste, Italy, September 30, 2021

On Thursday, November 18, in Namibia, Dunkerbeck broke that speed barrier, hitting 103.67kph over a two-second time gap and holding an average speed of 101kph over a 100m stretch of water.

The site of the record, Lüderitz, has become famous for 'The Ditch' – a 500m long canal where the water stays flat even when the wind howls – making it the perfect place as long as you don't crash.

He explained: "No crashes. I try not to crash at that speed because if you do, your day is over."

While he had fast runs over the last three weeks, he knew he needed the perfect day to break 100kph with consistent gusts of strong wind finally allowing him to break 100kph at least five times.

After five years of attempts and months waiting around the barren, wind-blasted sands of Namibia, Dunkerbeck revealed: "We had quite a few days of wind around 35-38 knots, so the equipment was feeling really dialled. I was on a 40cm-wide AVBoard speed windsurf board, with a 19cm fin and a 5.5 Severne Mach 4 Lüderitz Speed Challenge LT sail – it all had to work perfectly to hit top speed!"

Despite his age, Dunkerbeck is fired up and now wants to maintain 100kph for over 500 metres and you wouldn't bet against him doing it.

Published in Surfing

Marine Institute Research Vessel Tom Crean

Ireland’s new marine research vessel will be named the RV Tom Crean after the renowned County Kerry seaman and explorer who undertook three major groundbreaking expeditions to the Antarctic in the early years of the 20th Century which sought to increase scientific knowledge and to explore unreached areas of the world, at that time.

Ireland's new multi-purpose marine research vessel RV Tom Crean, was delivered in July 2022 and will be used by the Marine Institute and other State agencies and universities to undertake fisheries research, oceanographic and environmental research, seabed mapping surveys; as well as maintaining and deploying weather buoys, observational infrastructure and Remotely Operated Vehicles.

The RV Tom Crean will also enable the Marine Institute to continue to lead and support high-quality scientific surveys that contribute to Ireland's position as a leader in marine science. The research vessel is a modern, multipurpose, silent vessel (designed to meet the stringent criteria of the ICES 209 noise standard for fisheries research), capable of operating in the Irish Exclusive Economic Zone (EEZ). The Tom Crean is able to go to sea for at least 21 days at a time and is designed to operate in harsh sea conditions.

RV Tom Crean Specification Overview

  • Length Overall: 52.8 m
  • Beam 14m
  • Draft 5.2M 

Power

  • Main Propulsion Motor 2000 kw
  • Bow Thruster 780 kw
  • Tunnel thruster 400 kw

Other

  • Endurance  21 Days
  • Range of 8,000 nautical miles
  • DP1 Dynamic Positioning
  • Capacity for 3 x 20ft Containers

Irish Marine Research activities

The new state-of-the-art multi-purpose marine research vessel will carry out a wide range of marine research activities, including vital fisheries, climate change-related research, seabed mapping and oceanography.

The new 52.8-metre modern research vessel, which will replace the 31-metre RV Celtic Voyager, has been commissioned with funding provided by the Department of Agriculture, Food and the Marine approved by the Government of Ireland.

According to Aodhán FitzGerald, Research Vessel Manager of the MI, the RV Tom Crean will feature an articulated boom crane aft (6t@ 10m, 3T@ 15m), located on the aft-gantry. This will be largely used for loading science equipment and net and equipment handling offshore.

Mounted at the stern is a 10T A-frame aft which can articulate through 170 degrees which are for deploying and recovering large science equipment such as a remotely operated vehicle (ROV’s), towed sleds and for fishing operations.

In addition the fitting of an 8 Ton starboard side T Frame for deploying grabs and corers to 4000m which is the same depth applicable to when the vessel is heaving but is compensated by a CTD system consisting of a winch and frame during such operations.

The vessel will have the regulation MOB boat on a dedicated davit and the facility to carry a 6.5m Rigid Inflatable tender on the port side.

Also at the aft deck is where the 'Holland 1' Work class ROV and the University of Limericks 'Etain' sub-Atlantic ROV will be positioned. In addition up to 3 x 20’ (TEU) containers can be carried.

The newbuild has been engineered to endure increasing harsher conditions and the punishing weather systems encountered in the North-East Atlantic where deployments of RV Tom Crean on surveys spent up to 21 days duration.

In addition, RV Tom Crean will be able to operate in an ultra silent-mode, which is crucial to meet the stringent criteria of the ICES 209 noise standard for fisheries research purposes.

The classification of the newbuild as been appointed to Lloyds and below is a list of the main capabilities and duties to be tasked by RV Tom Crean:

  • Oceanographic surveys, incl. CTD water sampling
  • Fishery research operations
  • Acoustic research operations
  • Environmental research and sampling operation incl. coring
  • ROV and AUV/ASV Surveys
  • Buoy/Mooring operations