Engineering:Tornado (sailboat)

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Short description: Double handed multihull class
Tornado
Tornado insigna.png
Class symbol
Tornado catamaran.svg
Boat
Crew2 (twin trapeze, since 2000)
Draft0.15 m (6 in)
0.76 m (2 ft 6 in)
Hull
Hull weight155 kg (342 lb) (boat weight)
6.3 kg (14 lb) (mast tip weight)
LOA6.09 m (20.0 ft)
LWL5.84 m (19 ft 2 in)
Beam3.08 m (10 ft 1 in)
Rig
Mast length9.08 m (29 ft 9 in)
Sails
Mainsail area16.61 m2 (178.8 sq ft)
Jib/genoa area5.33 m2 (57.4 sq ft)
Spinnaker area25.00 m2 (269.1 sq ft)
Racing
D-PN59.0
RYA PN644
Former Olympic class

The Tornado is a double handed multihull class recognised as an International Class by the International Sailing Federation. It was used for the Catamaran discipline at the Olympic Games from 1976 to 2008.

Design

One hull flying

The boat was designed in 1967 by Rodney March from the Isle of Sheppey, England. At the IYRU Olympic Catamaran Trials for international status, where it defeated other catamarans.[1]

To increase its performance even further, the Tornado was modified in 2001, with a new sail plan which included a spinnaker and spinnaker boom, as well as an increased sail area of the existing sails. An additional trapeze was also added, and the jib was made self tacking.[1]

The Tornado is among the fastest double handed catamarans, with an ISAF Small Catamaran Handicap Rating System rating of 0.934 and a D-PN of 59.0.[2] It is the fastest catamaran in the RYA Portsmouth Yardstick scheme, with a 2015 Portsmouth Number of 634.[3]

Events

Olympics

The Tornado was used as the equipment for the multihull discipline in the Olympic Games from 1976 through 2008, when multihulls were deselected. Please see the individual years for results Olympic Sailing Regatta

|-

| style="align:center;" | 1976 Montreal
details

 |style="vertical-align:top;"| Great Britain (GBR)
Reginald White
John Osborn |style="vertical-align:top;"| United States (USA)
David McFaull
Michael Rothwell |style="vertical-align:top;"| West Germany (FRG)
Jörg Spengler
Jörg Schmall
 |-

| style="align:center;" | 1980 Moscow
details

 |style="vertical-align:top;"| Brazil (BRA)
Lars Sigurd Björkström
Alexandre Welter |style="vertical-align:top;"| Denmark (DEN)
Peter Due
Per Kjergard |style="vertical-align:top;"| Sweden (SWE)
Göran Marström
Jörgen Ragnarsson
 |-

| style="align:center;" | 1984 Los Angeles
details

 |style="vertical-align:top;"| New Zealand (NZL)
Rex Sellers
Chris Timms |style="vertical-align:top;"| United States (USA)
Randy Smyth
Jay Glaser |style="vertical-align:top;"| Australia (AUS)
Christopher Cairns
John Anderson
 |-

| style="align:center;" | 1988 Seoul
details

 |style="vertical-align:top;"| France (FRA)
Jean Le Deroff
Nicolas Hénard |style="vertical-align:top;"| New Zealand (NZL)
Chris Timms
Rex Sellers |style="vertical-align:top;"| Brazil (BRA)
Lars Grael
Clinio Freitas
 |-

| style="align:center;" | 1992 Barcelona
details

 |style="vertical-align:top;"| France (FRA)
Yves Loday
Nicolas Hénard |style="vertical-align:top;"| United States (USA)
Randy Smyth
Keith Notary |style="vertical-align:top;"| Australia (AUS)
Mitch Booth
John Forbes
 |-

| style="align:center;" | 1996 Atlanta
details

 |style="vertical-align:top;"| Spain (ESP)
Fernando León
José Luis Ballester |style="vertical-align:top;"| Australia (AUS)
Mitch Booth
Andrew Landenberger |style="vertical-align:top;"| Brazil (BRA)
Lars Grael
Henrique Pellicano
 |-

| style="align:center;" | 2000 Sydney
details

 |style="vertical-align:top;"| Austria (AUT)
Roman Hagara
Hans-Peter Steinacher |style="vertical-align:top;"| Australia (AUS)
Darren Bundock
John Forbes |style="vertical-align:top;"| Germany (GER)
Roland Gäbler
René Schwall
 |-

| style="align:center;" | 2004 Athens
details

 |style="vertical-align:top;"| Austria (AUT)
Roman Hagara
Hans Peter Steinacher |style="vertical-align:top;"| United States (USA)
John Lovell
Charlie Ogletree |style="vertical-align:top;"| Argentina (ARG)
Santiago Lange
Carlos Espínola
 |-

| style="align:center;" | 2008 Beijing
details

 |style="vertical-align:top;"| Spain (ESP)
Antón Paz
Fernando Echávarri |style="vertical-align:top;"| Australia (AUS)
Darren Bundock
Glenn Ashby |style="vertical-align:top;"| Argentina (ARG)
Santiago Lange
Carlos Espínola

|}

World Championships

Open

Mixed

See also

  • List of multihulls

References

  1. 1.0 1.1 Forbes, John; Young, Jim (2003). "A Brief Tornado History—The Story of the Tornado, the Olympic Catamaran". International Tornado Class Association. http://www.tornado-class.org/the-class/tornado-class-history/. 
  2. "Multihull Classes". U.S. Sailing. 2015. http://www.ussailing.org/racing/offshore-big-boats/portsmouth-yardstick/current-tables/multihull-classes/. 
  3. "Portsmouth Number List 2015". Royal Yachting Association. 2015. http://www.rya.org.uk/SiteCollectionDocuments/technical/Web%20Documents/PY%20Documentation/2015%20PN%20List%20v6.pdf. "For any catamaran classes that do not appear on this list but that have a published SCHRS number on http://www.schrs.com/ratings.php it is possible to use a conversion factor of 675 as agreed between the Portsmouth Yardstick Group and SCHRS Technical Committee. To convert from SCHRS to PY, simply multiply the SCHRS number by 675 e.g: Tornado = 0.939(SCHRS) x 675 = 634 (PY) If using the conversion factor please return results to http://www.pys.org.uk using the correct class designation." 

External links