Extreme 40

The Extreme 40 is a class of sailing catamaran created by TornadoSport and designed by Yves Loday. The boats are 40 feet long and are constructed out of carbon fibre. They have a top speed of about and can sail at about in 20–25 knots of wind The first extreme 40 was launched in 2005. They were sailed in the Extreme [Sailing Series], formerly known as the iShares Cup. Extreme 40s are essentially a scaled-up version of the Tornado sailboat used in The Olympics.
Extreme 40s are long, have a beam, displace of water, have a mast height of and a claimed top speed of. The mainsail is and the jib is. The gennaker used for downwind sailing is.