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|Crew||2 (twin trapeze, since 2000)|
|Draft||0.15 m (6 in)|
0.76 m (2 ft 6 in)
|Hull weight||155 kg (342 lb) (boat weight)|
6.3 kg (14 lb) (mast tip weight)
|LOA||6.09 m (20.0 ft)|
|LWL||5.84 m (19 ft 2 in)|
|Beam||3.08 m (10 ft 1 in)|
|Mast length||9.08 m (29 ft 9 in)|
|Mainsail area||16.61 m2 (178.8 sq ft)|
|Jib/genoa area||5.33 m2 (57.4 sq ft)|
|Spinnaker area||25.00 m2 (269.1 sq ft)|
|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.
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.
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. It is the fastest catamaran in the RYA Portsmouth Yardstick scheme, with a 2015 Portsmouth Number of 634.
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
- Forbes, John; Young, Jim (2003). "A Brief Tornado History—The Story of the Tornado, the Olympic Catamaran". International Tornado Class Association. Retrieved 2016-01-27.
- "Multihull Classes". U.S. Sailing. 2015. Archived from the original on 2016-01-20. Retrieved 2016-01-27.
- "Portsmouth Number List 2015" (PDF). Royal Yachting Association. 2015. Archived from the original (PDF) on 2016-03-04. Retrieved 2016-01-27.
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.
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