505 (dinghy)

The International 505 is a One-Design high-performance two-person monohull planing sailing dinghy, with spinnaker, utilising a trapeze for the crew.

International 505
Boat
Crew2 (single trapeze)
Draft1.45 m (4 ft 9 in)
Hull
Hull weight127.4 kg (281 lb)
LOA5.05 m (16.6 ft)
Beam1.88 m (6 ft 2 in)
Sails
Spinnaker area27 m2 (290 sq ft)
Upwind sail area16.26 m2 (175.0 sq ft)[1]
Racing
D-PN79.8
RYA PN902
PHRF149.4

History

The origins of the class began in 1953 with the creation of the 18-foot 'Coronet' dinghy designed by John Westell. This sailboat competed in the International Yacht Racing Union (IYRU) selection trials at La Baule, France, in 1953 for a new two-person performance dinghy for the Olympics. Although the Coronet lost Olympic selection to the Flying Dutchman, in 1954 the Caneton Association of France asked Westell to modify his design to create for them a 5-metre performance dinghy that would be suitable to their needs. Westell settled on a measured length 5.05 m to allow for boat-building tolerances of the day, and the resulting craft became known as the 505.

The class achieved international status with the IYRU in 1955.[2]

Production

As of 2020, about 9,100 505s had been built.[3]

There have been many builders over the 60-year history of the class. At present Rondar Raceboats is the most prolific builder, producing wet-layup hulls on a semi-production basis. Ovington Boats, which at one time built hulls for Rondar under contract, now build their own.

List of current 505 hull builders:

BuilderLocationDescriptionWebsite
Rondar Raceboats Great BritainHulls and complete boatswww.rondarraceboats.com
Ovington Boats Great BritainBare hulls onlywww.ovingtonboats.com
Parker 505 Great BritainBare hulls and complete boatswww.parker505.com
Van Munster Boats AustraliaBare hulls and complete boatswww.vanmunsterboats.com
Duvoisin Nautique  SwitzerlandBare hulls onlyhttp://duvoisinnautique.ch/en
BlueBlue PolandBare hulls and complete boatshttp://www.blueblue.pl/

It is typical for sailors to purchase bare hulls, spars and foils, and then rig the boats themselves. The result is that there is a wide variety of setups, with some notable regional preferences. For example, US boats traditionally have end-boom sheeting while German boats have mid-boom. This has led to the establishment of several rigging businesses, led by successful 505 sailors, that have developed standard rigging setups and sell complete boats based on bare hulls sourced from builders. These include Holger Jess with SegelsportJESS in Kiel, GER and Ian Pinnell of Pinnell & Bax in Northampton, GBR. Having standard setups with published tuning settings helps non-professional sailors become competitive more quickly. Similarly with sails. There is a handful of sailmakers that dominate the 505 class: Pinnell & Bax in the UK, Bojsen-Møller in Europe, Glaser and North in the US and Narval in Poland.

Design

The hulls of early 505s were built in cold-molded marine plywood, new hulls are now built using composite molding: glass fibre and/or carbon fibre mats and vinylester or epoxy resin using either a wet layup technique or using heat-cured prepreg sheets. Hulls are usually cored with foam, balsa or Nomex to increase stiffness and durability, spars traditionally were manufactured from aluminium alloy, later rule changes have permitted the use of carbon fibre for boom and spinnaker pole.

The hull shape and sail plan are tightly controlled, while the spars, foils and rigging are more open which allows the boat's rig and controls to be set up to the preferences of the crew, rather than dictated by the class rules.

Operational history

The 505 is a large boat by dinghy standards, with a powerful sailplan, especially with the adoption in October 2001 of a larger spinnaker.[4] The 505 will plane upwind in wind speeds of around 10 knots or more.

Preparation for schooner race (SAP 5O5 World Championship). The 505 is named for its length, 5.05 meters (16.5 feet).

World Championships

Year Gold Silver Bronze
1956 La Baule  France
Jacques Lebrun
P. Harrinkouck
1957 La Baule  Denmark
Paul Elvstrøm
Pierre Poullain
1958 La Baule  Denmark
Paul Elvstrøm
Pierre Poullain
1959 Cork  France
Marcel Buffet
Patrick Wolff
1960 La Baule  France
Marcel Buffet
Patrick Wolff
1961 Weymouth  France
JC. Cornu
D. Gouffier
1962 La Baule  Great Britain
Keith Paul
Bill Moakes
1963 Larchmont  Australia
Brian Price
Chris Hough
 United States
Henry Schefter
Brian Smart
1964 Cork  Australia
John Parrington
Chris Hough
 Great Britain
Derek Farrant
Robin Farrant
 France
Mathieu Tanon
TBA
1965 Tanger  Great Britain
Derek Farrant
Robin Farrant
1966 Adelaide  Australia
Jim Hardy
Max Whitnall
 Denmark
Paul Elvstrøm
Malcolm 'Pip' Pearson
 Australia
John B. Cuneo
A. Martin
1967 La Baule  France
B. Moret
R. Morch
1968 Kiel  France
Marcel Troupel
Philippe Lanaverre
 France
Yves Pajot
Marc Pajot
 France
Marcel Buffet
Daniel Nottet
1969 Buenos Aires  Great Britain
Larry Marks
Victor Deschamps
 Ireland
Cudmore
Bruen
 Argentina
Domato
Sidmann
1970 Plymouth  Great Britain
Larry Marks
Victor Deschamps
 Great Britain
Gordon Wilson
Philip Wilson
 Great Britain
Derek Farrant
Robin Farrant
1971 Santa Cruz  Great Britain
Derek Farrant
Robin Farrant
 United States
Dave Vickland
Pingree
 Great Britain
Peter Bainbridge
 
1972 Hanko  France
Nicolas Loday
Nicolas Fedorenko
 France
Bruno Levesque
Jean-Luc Bapst
 Finland
Kari Wilén
Jyri Wilén
1973 Hong Kong  Great Britain
Peter White
John Davies
 United States
Dennis Surtees
Stephen Owens
 France
Yves Pajot
Yvon Kergreis
1974 Marstrand  France
Yves Pajot
Marc Pajot
 United States
Dennis Surtees
Stephen Owens
 Sweden
Björn Arnesson
Göran Andersson
1975 Hamilton  Great Britain
John Loveday
Lewis Dann
 France
Jean-Marie Danielou
François Richard
 France
Marcel Buffet
Thierry Desfarges
1976 Lake Macquarie  Great Britain
Peter Colclough
Steve Jones
 Australia
Terry Kyrwood
Reg Crick
 Australia
R. Nonris
I. Rors
1977 La Rochelle  Great Britain
Peter Colclough
Phil Brown
 United States
Ethan Bixby
Larry Tuttle
 United States
Steve Taylor
Stan Honey
1978 Copenhagen  Great Britain
Peter Colclough
Phil Brown
 Denmark
Jørgen Bojsen-Møller
Jacob Bojsen-Møller
 Australia
Terry Kyrwood
Reg Crick
1979 Durban  United States
Steve Taylor
David Penfield
 United States
Dennis Surtees
Paul Cayard
 United States
Dan Thompson
1980 Hayling Island  United States
Steve Benjamin
Tucker Edmundson
 United States
Jon Andron
Howie Hamlin
 Great Britain
Peter Colclough
Harold Barnes
1981 San Francisco  United States
Ethan Bixby
Cam Lewis
 United States
Steve Benjamin
Tucker Edmundson
 Denmark
Jørgen Schønherr
Anders Kæmpe
1982 Cork  United States
Gary Knapp
Cam Lewis
 Great Britain
Peter Colclough
Harold Barnes
 United States
Steve Benjamin
Tucker Edmundson
1983 Adelaide  Australia
Terry Kyrwood
Reg Crick
 Australia
Gary Bruniges
Greg Gardiner
 Australia
Geoff Kyrwood
Bob Kyrwood
1984 Gromitz  Australia
Dean Blatchford
Tom Woods
 Great Britain
Peter Colclough
Harold Barnes
 United States
Howie Hamlin
Rick Rattray
1985 Enoshima  Australia
Gary Bruniges
Greg Gardiner
 Australia
Dean Blatchford
Tom Woods
 Great Britain
Peter Colclough
Harold Barnes
1986 La Rochelle  Great Britain
Peter Colclough
Harold Barnes
 Sweden
Krister Bergström
Magnus Holmberg
 Sweden
Jan Bergström
Bengt Zachrisson
1987 Helsinki  Sweden
Krister Bergström
Olle Wenrup
 Denmark
Jørgen Holm
Finn Jensen
 Australia
Dean Blatchford
Tom Woods
1988 Sydney  Sweden
Krister Bergström
Olle Wenrup
 Australia
Dean Blatchford
Tom Woods
 Australia
Stephen McConaghy
Andrew McConaghy
1989 Felixstowe  Sweden
Krister Bergström
Per Anders Hallberg
 Great Britain
Peter Colclough
Phil Brown
 United States
Bruce Edwards
David Shelton
1990 Kingston  Denmark
Jørgen Schønherr
Anders Kæmpe
 France
Philippe Boite
Jean-Luc Muzellec
 Sweden
Krister Bergström
Olle Wenrup
1991 Marstrand  Sweden
Krister Bergström
Per Anders Hallberg
 Great Britain
Ian Pinnell
Mark Darling
 Denmark
Jørgen Schønherr
Anders Kæmpe
1992 Santa Cruz  Australia
Chris Nicholson
Darren Nicholson
 Denmark
Jørgen Schønherr
Michael Poulsen
 United States
Bruce Edwards
David Shelton
1993 Travemünde  Great Britain
Ian Barker
Tim Hancock
 Great Britain
Paul Brotherton
Bill Masterman
 Denmark
Jørgen Schønherr
Michael Poulsen
1994 Durban  Australia
Chris Nicholson
Darren Nicholson
 Great Britain
Ian Barker
Tim Hancock
 Denmark
Jørgen Schønherr
Michael Poulsen
1995 Mounts Bay  Great Britain
Jeremy Robinson
Bill Masterman
 Sweden
Krister Bergström
Thomas Moss
 Sweden
Ebbe Rosén
Olle Wenrup
1996 Townsville  Great Britain
Paul Towers
Dan Johnson
 United States
Howie Hamlin
Cam Lewis
 Great Britain
Ian Barker
Daniel Cripps
1997 Gilleleje  Great Britain
Mark Upton-Brown
Ian Mitchell
 Sweden
Ebbe Rosén
Olle Wenrup
 United States
Howie Hamlin
Mike Martin
1998 Hyannis  United States
Nick Trotman
Mike Mills
 United States
Howie Hamlin
Mike Martin
 Great Britain
Ian Barker
Daniel Cripps
1999 Quiberon  United States
Howie Hamlin
Mike Martin
 United States
Andy Beeckman
Ben Benjamin
 Denmark
Jørgen Schønherr
Anders Kæmpe
2000 Durban  Sweden
Krister Bergström
Thomas Moss
 United States
Mike Martin
Steve Bourdow
 United States
Howie Hamlin
Peter Alarie
2001 Cascais  Germany
Wolfgang Hunger
Holger Jess
 Great Britain
Ian Pinnell
Tim Hancock
 Sweden
Krister Bergström
Thomas Moss
2002 Fremantle  Australia
Chris Nicholson
Darren Nicholson
 United States
Howie Hamlin
Mike Martin
 Sweden
Krister Bergström
Thomas Moss
2003 Malmö  Germany
Wolfgang Hunger
Holger Jess
 Sweden
Krister Bergström
Johan Barne
 United States
Howie Hamlin
Peter Alarie
2004 Santa Cruz  United States
Morgan Larson
Trevor Baylis
 United States
Howie Hamlin
Peter Alarie
 United States
Mike Martin
Jeff Nelson
2005 Warnemünde  Germany
Wolfgang Hunger
Holger Jess
 United States
Mike Martin
Jesse Falsone
 Germany
Dietrich Scheder-Bieschin
Reiner Görge
2006 Hayling Island  Great Britain
Mark Upton-Brown
Ian Mitchell
 United States
Howie Hamlin
Jeff Nelson
 Germany
Jens Findel
Johannes Tellen
2007 Adelaide  Denmark
Jan Saugmann
Morten Ramsbæk
 United States
Howie Hamlin
Fritz Lanzinger
 Australia
Sandy Higgins
Paul Marsh
2008 Palermo  Great Britain
Ian Pinnell
Carl Gibbon
 United States
Howie Hamlin
Andy Zinn
 Germany
Wolfgang Hunger
Julien Kleiner
2009 San Francisco  United States
Mike Martin
Jeff Nelson
 United States
Mike Holt
Carl Smit
 Australia
Chris Nicholson
Casey Smith
2010 Aarhus  Germany
Wolfgang Hunger
Julien Kleiner
 Denmark
Jørgen Bojsen-Møller
Jacob Bojsen-Møller
 Great Britain
Ian Pinnell
Ian Mitchell
2011 Hamilton Island  Germany
Wolfgang Hunger
Julien Kleiner
 United States
Mike Holt
Carl Smit
 Australia
Sandy Higgins
Paul Marsh
2012 La Rochelle  Denmark
Jan Saugmann
Martin Görge
 Denmark
Jørgen Bojsen-Møller
Jacob Bojsen-Møller
 Germany
Christian Kellner
Martin Schoeler
2013 Barbados  Germany
Claes Lehmann
Leon Oehme
 Germany
Stefan Böhm
Gerald Roos
 Germany
Wolfgang Hunger
Holger Jess
2014 Kiel  United States
Mike Holt
Rob Woelfel
 Australia
Peter Nicholas
Luke Payne
 Germany
Wolfgang Hunger
Julien Kleiner
2015 Port Elizabeth  United States
Mike Holt
Carl Smit
 Great Britain
Ian Pinnell
Johannes Tellen
 United States
Ted Conrads
Brian Haines
2016 Weymouth  United States
Mike Martin
Adam Lowry
 United States
Mike Holt
Carl Smit
 Germany
Wolfgang Hunger
Julien Kleiner
2017 Annapolis[5]  United States
Mike Holt
Carl Smit
 United States
Mike Martin
Adam Lowry
 Great Britain
Andy Smith
Roger Gilbert
2018 Gdynia[6]  Germany
Lutz Stengel
Holger Jess
 United States
Mike Holt
Carl Smit
 Germany
Jan-Philipp Hofmann
Felix Björn Brockerhoff
2019 Fremantle[7][8]  United States 9106
Mike Martin
Adam Lowry
 United States 9072
Mike Holt
Carl Smit
 United States 9004
Parker Shinn
Eric Anderson
2020 Båstad[9] Canceled[10] due to the COVID-19 pandemic.

References

  1. "Archived copy". Archived from the original on 2016-01-21. Retrieved 2015-06-11.CS1 maint: archived copy as title (link)
  2. "International 505". Outer Harbour Centreboard Club. Archived from the original on July 30, 2013. Retrieved July 20, 2013.
  3. "505". SailboatData.com. Retrieved 5 November 2020.
  4. "Summary of Rule Changes". www.int505.org. International 505. Archived from the original on 2018-06-12. Retrieved 2018-06-05.
  5. https://yachtscoring.com/event_results_cumulative.cfm?eID=4206
  6. "Results are final as of 17:12 on July 27, 2018". 505 Worlds 2018. 2018-07-27. Retrieved 2018-07-28.
  7. "Fremantle, January 2019: 505 World Championship". Fremantle Sailing Club. Retrieved 2018-12-20.
  8. "505 Worlds 2019 - Leaderboard". SAP Sailing. 2019-01-07. Retrieved 2019-01-07.
  9. "Venue Selection". International 505 Sailing. Retrieved 2019-01-09.
  10. "5O5 World Championship 2020 Cancelled". 2020-04-07. International 5O5 Sailing. Retrieved 2020-04-07.
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