TORNADO CATAMARAN
Frac. Sloop (Rotating Spar) • Catamaran Twin Cbrd. • Built 1967
Dimensions
- LOA
- 20 ft
- LWL
- — ft
- Beam
- 10 ft
- Max Draft
- 2.5 ft
- Min Draft
- 0.5 ft
- Displacement
- 300 lbs
- Ballast
- — lbs
Performance Ratios
- Capsize Ratio ⓘ
- 5.97 (use caution offshore)
- SA/D Ratio ⓘ
- 83.9
- D/L Ratio ⓘ
- —
- Ballast Ratio ⓘ
- —
Sail Plan
- Sail Area
- 235 sq ft
Construction
- Hull Type
- Catamaran Twin Cbrd.
- Rig Type
- Frac. Sloop (Rotating Spar)
- Hull Material
- Wood/FG
- Ballast Type
- —
Production
- First Built
- 1967
- Last Built
- —
- Number Built
- 4700
Notes: The TORNADO first appeared as winner of the 1967 international “B” class catamaran trials. It was an Olympic class from 1976-2008. The class rules were changed to allow twin trapezes, 'flat head' mainsail, and asym. spinnaker.(2004?)
Designers
- Rodney March
- Reg White (1936–2010)
Builders
- Marstrom Composite AB (1982)
- Sailcraft Ltd. (UK) (1967–1986)
- Windrush Yachts (AUS)