49er (dinghy)

Last updated

49er black.svg
Class symbol
49er skiff.svg
Development
Boat
Crew2 (double trapeze)
Draft 1,447 mm (4 ft 9 in)
Hull
Hull weight94 kg (207 lb)
LOA 4,876 mm (16 ft)
Beam without wings:
1,752 mm (5 ft 9 in)
with wings:
2,743 mm (9 ft 0 in)
Sails
Spinnaker area37.16 m2 (400 sq ft)
Upwind sail area19.97 m2 (215 sq ft)
Racing
D-PN 68.2 [1]
RYA PN 710 [2]
Current Olympic equipment

The 49er and 49er FX is a two-handed skiff-type high-performance sailing dinghy. The two crew work on different roles with the helm making many tactical decisions, as well as steering, and the crew doing most of the sail control. Both of the crew are equipped with their own trapeze and sailing is done while cantilevered over the water to the fullest extent to balance against the sails.

Contents

The 49er was designed by Julian Bethwaite (the son of Frank Bethwaite) and developed by a consortium consisting of Bethwaites, Performance Sailcraft Japan, Peter Johnston, and Ovington boats. [3] The boat has been an Olympic class since it was selected by the International Sailing Federation to be the men's high performance double handed dinghy Sydney Summer Games of 2000. Its derivative featuring a re-designed rig, the 49er FX, was selected by World Sailing to be the women's high performance double-hander at the Rio Summer Olympics of 2016.

History

The 49er's name comes from its hull length of 4.99 metres (16 ft 4 in). It incorporates ideas developed in Julian Bethwaite's 18ft Skiffs, notably the Prime Computer series of boats, which were double handers. [4]

To handle a large and powerful sail area, the mast uses a square topped sail that causes the upper main to twist off and flatten, allowing a controllable sail with fast gust response and reducing the heeling moment. The use of solid wings, rather than tubes as on similar boats (RS800 etc.), makes it easier for the crew to run across the deck from gunwale to gunwale during maneuvers.

49er skiffs in a race 49er.jpg
49er skiffs in a race
49ers at the Extreme Sailing Series in Boston harbor preparing to race, 4th of July, 2011 49er sail boats.jpg
49ers at the Extreme Sailing Series in Boston harbor preparing to race, 4th of July, 2011

The 49er made its first Olympic appearance at the Sydney Olympics in 2000 and has continued to grow in popularity ever since.

With a Portsmouth yardstick Handicap of 740 the 49er is the fastest two person one-design monohull dinghy.

In 2009 the boat received a new rig design, including a larger fully carbon mast (replacing the aluminum mast) and square top (roach) mainsail. [5]

Construction

As a one design class, the 49er has two licensed suppliers, Mackay Boats in Oceania and Ovington in Europe.

Hull

The hull is made of Epoxy GRP and foam sandwich laminate with carbon fibre in high load areas. It includes two solid wings, also called racks, that clip into the side to increase righting moment of the trapezing crew. [6] Its length was fixed at 4.99 metres because the ISAF brief for the high performance Olympic class dinghy called for a 5-metre boat, but Tokao Otani, a member of the development consortium, pointed out that there was a tariff in Japan for boats over 5 metres long. [3] It has a fine entry to efficiently transition between the low speed displacement, and high speed planing modes. [7] According to the International 49er class rules, the minimum hull weight including all permanent fittings can not be less than 94.0 kg. [8]

49er at the 2012 London Olympic Games Weymouth Olympics Polish mens 49er.jpg
49er at the 2012 London Olympic Games

Spars

Southern Spars, part of the North Technology Group, is the licensed supplier of the 49er mast. It is a three piece male-moulded assembly made from 100% standard modulus carbon. [9] It is 7.0 meters tall and capable of supporting a combined crew weight up to 165 kg from its dual trapeze. The mast is braced by three sets of shrouds that connect to a fitting on the side of the boat. The crew is able to adjust them by tightening or loosening them, depending on the wind speed and sea states. [10]

The boom is made from an aluminium alloy extrusion.

Foils

The rudder and daggerboard are made out from a composite of epoxy, carbon and glass, covered by a hard gelcoat surface. The head of each class legal foil carries the embossed 49er logo and the ICA label. [8]

Sails

The 49er contains three sails: a main sail, jib, and spinnaker. The main and jib are 20 square meters, fully battened and made of reinforced Mylar (film polyester). The main was redesigned in 2007 from a full, curved roach plan to having a square on top in order to provide more sail area and to control more shape adjustment. The spinnaker is 38 square meters in a tri-radial asymmetric shape. [6]

Events

Olympics

Men's 49er

GoldSilverBronze
2000 Sydney
details
Flag of Finland.svg  Finland  (FIN)
Thomas Johanson
Jyrki Järvi
Flag of the United Kingdom.svg  Great Britain  (GBR)
Ian Barker
Simon Hiscocks
Flag of the United States.svg  United States  (USA)
Jonathan McKee
Charlie McKee
2004 Athens
details
Flag of Spain.svg  Spain  (ESP)
Iker Martínez
Xabier Fernández
Flag of Ukraine.svg  Ukraine  (UKR)
Rodion Luka
George Leonchuk
Flag of the United Kingdom.svg  Great Britain  (GBR)
Chris Draper
Simon Hiscocks
2008 Beijing
details
Flag of Denmark.svg  Denmark  (DEN)
Jonas Warrer
Martin Kirketerp
Flag of Spain.svg  Spain  (ESP)
Iker Martínez de Lizarduy
Xabier Fernández
Flag of Germany.svg  Germany  (GER)
Jan-Peter Peckolt
Hannes Peckolt
2012 London
details
Flag of Australia.svg  Australia  (AUS)
Nathan Outteridge
Iain Jensen
Flag of New Zealand.svg  New Zealand  (NZL)
Peter Burling
Blair Tuke
Flag of Denmark.svg  Denmark  (DEN)
Allan Nørregaard
Peter Lang
2016 Rio de Janeiro
details
Flag of New Zealand.svg  New Zealand  (NZL)
Peter Burling
Blair Tuke
Flag of Australia.svg  Australia  (AUS)
Nathan Outteridge
Iain Jensen
Flag of Germany.svg  Germany  (GER)
Erik Heil
Thomas Plößel
2020 Tokyo
details
Flag of the United Kingdom.svg  Great Britain  (GBR)
Dylan Fletcher
Stuart Bithell
Flag of New Zealand.svg  New Zealand  (NZL)
Peter Burling
Blair Tuke
Flag of Germany.svg  Germany  (GER)
Erik Heil
Thomas Plößel
2024 Paris
details

Women's 49er FX

GoldSilverBronze
2016 Rio de Janeiro
details
Flag of Brazil.svg  Brazil  (BRA)
Martine Grael
Kahena Kunze
Flag of New Zealand.svg  New Zealand  (NZL)
Alex Maloney
Molly Meech
Flag of Denmark.svg  Denmark  (DEN)
Jena Mai Hansen
Katja Salskov-Iversen
2020 Tokyo
details
Flag of Brazil.svg  Brazil  (BRA)
Martine Grael
Kahena Kunze
Flag of Germany.svg  Germany  (GER)
Tina Lutz
Susann Beucke
Flag of the Netherlands.svg  Netherlands  (NED)
Annemiek Bekkering
Annette Duetz
2024 Paris
details

World Championships

Men's 49er

Year GoldSilverBronze
1997 PerthFlag of Australia (converted).svg  Australia
Chris Nicholson
Daniel Phillips
Flag of the United States.svg  United States
Jonathan McKee
Charles McKee
Flag of the United States.svg  United States
Morgan Larson
Kevin Hall
1998 BandolFlag of Australia (converted).svg  Australia
Chris Nicholson
Daniel Phillips
Flag of the United Kingdom.svg  Great Britain
Andy Budgen
Ian Budgen
Flag of the United States.svg  United States
Morgan Larson
Kevin Hall
1999 MelbourneFlag of Australia (converted).svg  Australia
Chris Nicholson
Ed Smyth
Flag of Australia (converted).svg  Australia
Adam Beashel
Teague Czislowski
Flag of the United States.svg  United States
Morgan Larson
Kevin Hall
2000 Sonora BayFlag of Spain.svg  Spain
Santiago López-Vázquez
Javier de la Plaza
Flag of Germany.svg  Germany
Marcus Baur
Philip Barth
Flag of Finland.svg  Finland
Thomas Johanson
Jyrki Järvi
2001 MalcesineFlag of the United States.svg  United States
Jonathan McKee
Charles McKee
Flag of Spain.svg  Spain
Iker Martínez
Xabier Fernández
Flag of Ukraine.svg  Ukraine
Rodion Luka
George Leonchuk
2002 Kaneohe BayFlag of Spain.svg  Spain
Iker Martínez
Xabier Fernández
Flag of the United Kingdom.svg  Great Britain
Christopher Draper
Simon Hiscocks
Flag of the United Kingdom.svg  Great Britain
Paul Brotherton
Mark Asquith
2003 CádizFlag of the United Kingdom.svg  Great Britain
Christopher Draper
Simon Hiscocks
Flag of Norway.svg  Norway
Christoffer Sundby
Frode Bovim
Flag of Ukraine.svg  Ukraine
Rodion Luka
George Leonchuk
2004 AthensFlag of Spain.svg  Spain
Iker Martínez
Xabier Fernández
Flag of the United Kingdom.svg  Great Britain
Christopher Draper
Simon Hiscocks
Flag of Germany.svg  Germany
Marcus Baur
Max Groy
2005 MoscowFlag of Ukraine.svg  Ukraine
Rodion Luka
George Leonchuk
Flag of the United Kingdom.svg  Great Britain
Christopher Draper
Simon Hiscocks
Flag of Italy.svg  Italy
Pietro Sibello
Gianfranco Sibello
2006 Aix-le-BainFlag of the United Kingdom.svg  Great Britain
Christopher Draper
Simon Hiscocks
Flag of Greece.svg  Greece
Thanasis Pakhoumas
Athanasios Siouzios
Flag of the United Kingdom.svg  Great Britain
Stevie Morrison
Ben Rhodes
2007 CascaisFlag of the United Kingdom.svg  Great Britain
Stevie Morrison
Ben Rhodes
Flag of Austria.svg  Austria
Nico Delle Karth
Nikolaus Resch
Flag of Australia (converted).svg  Australia
Nathan Outteridge
Ben Austin
2008 MelbourneFlag of Australia (converted).svg  Australia
Nathan Outteridge
Ben Austin
Flag of the United Kingdom.svg  Great Britain
Stevie Morrison
Ben Rhodes
Flag of Ukraine.svg  Ukraine
Rodion Luka
George Leonchuk
2009 Riva del Garda Flag of Australia (converted).svg  Australia
Nathan Outteridge
Iain Jensen
Flag of the United Kingdom.svg  Great Britain
John Pink
Rick Peacock
Flag of Italy.svg  Italy
Pietro Sibello
Gianfranco Sibello
2010 Port Lucaya Flag of Spain.svg  Spain
Iker Martínez
Xabier Fernández
Flag of Australia (converted).svg  Australia
Nathan Outteridge
Iain Jensen
Flag of Italy.svg  Italy
Pietro Sibello
Gianfranco Sibello
2011 Perth Flag of Australia (converted).svg  Australia
Nathan Outteridge
Iain Jensen
Flag of New Zealand.svg  New Zealand
Peter Burling
Blair Tuke
Flag of Denmark.svg  Denmark
Emil Toft Nielsen
Simon Toft Nielsen
2012 Zadar Flag of Australia (converted).svg  Australia
Nathan Outteridge
Iain Jensen
Flag of New Zealand.svg  New Zealand
Peter Burling
Blair Tuke
Flag of Denmark.svg  Denmark
Allan Nørregaard
Peter Lang

Women's 49er FX

Year GoldSilverBronze
2013 Marseille Flag of New Zealand.svg  New Zealand
Alex Maloney
Molly Meech
Flag of Brazil.svg  Brazil
Martine Grael
Kahena Kunze
Flag of France.svg  France
Sarah Steyaert
Julie Bossard
2014 Santander
details
Flag of Brazil.svg  Brazil
Martine Grael
Kahena Kunze
Flag of Denmark.svg  Denmark
Ida Marie Baad Nielsen
Marie Thusgaard Olsen
Flag of Italy.svg  Italy
Giulia Conti
Francesca Clapcich
2015 Buenos Aires
details
Flag of Italy.svg  Italy
Giulia Conti
Francesca Clapcich
Flag of Brazil.svg  Brazil
Martine Grael
Kahena Kunze
Flag of Denmark.svg  Denmark
Ida Marie Baad Nielsen
Marie Thusgaard Olsen
2016 Clearwater [11] Flag of Spain.svg  Spain
Támara Echegoyen
Berta Betanzos
Flag of Denmark.svg  Denmark
Maiken Foght Schütt
Anne-Julie Schütt
Flag of Germany.svg  Germany
Victoria Jurczok
Anika Lorenz
2017 Matosinhos [12]
details
Flag of Denmark.svg  Denmark
Jena Hansen
Katja Salskov-Iversen
Flag of Brazil.svg  Brazil
Martine Grael
Kahena Kunze
Flag of New Zealand.svg  New Zealand
Alex Maloney
Molly Meech
2018 Aarhus [13]
details
Flag of the Netherlands.svg  Netherlands
Annemiek Bekkering
Annette Duetz
Flag of Austria.svg  Austria
Tanja Frank
Lorena Abicht
Flag of the United Kingdom.svg  Great Britain
Sophie Weguelin
Sophie Ainsworth
2019 Auckland [14]
details
Flag of the Netherlands.svg  Netherlands
Annemiek Bekkering
Annette Duetz
Flag of Brazil.svg  Brazil
Martine Grael
Kahena Kunze
Flag of Denmark.svg  Denmark
Ida Marie Baad Nielsen
Marie Thusgaard Olsen
2020 Geelong [15]
details
Flag of Spain.svg  Spain
Támara Echegoyen
Paula Barceló
Flag of the United Kingdom.svg  Great Britain
Charlotte Dobson
Saskia Tidey
Flag of the United States.svg  United States
Stephanie Roble
Maggie Shea
2021 Wudam Al Sahil [16]
details
Flag of the Netherlands.svg  Netherlands
Odile van Aanholt
Elise de Ruijter
Flag of Norway.svg  Norway
Helene Næss
Marie Rønningen
Flag of Brazil.svg  Brazil
Martine Grael
Kahena Kunze
2022 St. Margarets Bay [17]
details
Flag of the Netherlands.svg  Netherlands
Odile van Aanholt
Annette Duetz
Flag of Sweden.svg  Sweden
Vilma Bobeck
Rebecca Netzler
Flag of Spain.svg  Spain
Támara Echegoyen
Paula Barceló
2023 The Hague [18]
details
Flag of Sweden.svg  Sweden
Vilma Bobeck
Rebecca Netzler
Flag of the Netherlands.svg  Netherlands
Odile van Aanholt
Annette Duetz
Flag of Australia (converted).svg  Australia
Olivia Price
Evie Haseldine

The 49er FX was developed by Mackay Boats to be a women's Olympic class. It consists of a 49er hull, wings, and foils, with a scaled down rig designed to suit the weight of an elite female crew.

The 29er is a smaller, single trapeze trainer to the 49er. It has become popular in North America, Europe and Australia as a fast youth boat. Recently the 29erXX, a twin trapeze version of the 29er, has been produced with a rig very similar to the 49er.

The 59er dinghy was put into production in Australia and the UK in 2002. It is a non-trapeze, 4.7m (15 feet 5 inches) sailing dinghy, rigged with an asymmetrical spinnaker. It is designed for a crew weight of 145 kg to 180 kg (320 lb to 400 lb).

Related Research Articles

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<span class="mw-page-title-main">29er (dinghy)</span> International racing sailing class

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The following outline is provided as an overview of and topical guide to sailing:

Julian Bethwaite is an Australian, Sydney-based skiff sailor and sailboat designer. He wrote one chapter of his father Frank's book, Higher Performance Sailing.

References

  1. "Centerboard Classes". US Sailing. Archived from the original on 15 March 2012. Retrieved 31 July 2012.
  2. "Portsmouth Number List 2017". Royal Yachting Association. Archived from the original on 23 March 2017. Retrieved 22 March 2017.
  3. 1 2 Bethwaite, Frank (2008). Higher performance sailing. London: Adlard Coles Nautical. ISBN   9781408101261. OCLC   854680844.
  4. "Prime Computer Skiff".
  5. "49er Class". 49er.org. Archived from the original on 27 January 2010. Retrieved 26 January 2010.
  6. 1 2 "49er shop". Ovington Boats. Archived from the original on 18 May 2015. Retrieved 8 May 2015.
  7. "Design Elements".
  8. 1 2 "International 49er Class Rules" (PDF). 2016. pp. 11 & 16. Archived (PDF) from the original on 27 March 2017. Retrieved 13 May 2022.
  9. "49er Mast Users Manual" (PDF). MackayBoats. SouthernSpars. 2010.
  10. "49er". SouthernSpars. Archived from the original on 28 June 2012. Retrieved 8 May 2015.
  11. "2016 World Championship". 49er.org.
  12. "2017 World Championship in Porto". 49er.org.
  13. "2018 World Championship in Aarhus". manage2sail.com.
  14. "2019 World Championship in Auckland".
  15. "2020 World Championship in Geelong".
  16. "2021 World Championship in Wudam Al Sahil".
  17. "2022 World Championship in St. Margarets Bay".
  18. "2023 World Championship in The Hague".