Extreme 40

{{Infobox sailboat specifications

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|image = Extreme40 iSharesCup Kiel2008 09.jpg

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|caption = Extreme 40 catamarans at the 2008 iShares Cup in Kiel.

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|rig = Sloop

|keel =

|trapeze =

|loa = {{convert|40|ft|m|abbr=on|order=flip}}

|loh =

|lwl =

|beam = {{convert|23|ft|m|abbr=on|order=flip}}

|draft =

|hull =

|mastheight = {{convert|62|ft|m|abbr=on|order=flip}}

|mainsailandjib =

|sailarea =

|mainsail = {{convert|75|sqm|sqft|abbr=on}}

|jib = {{convert|25|sqm|sqft|abbr=on}}

|gennaker = {{convert|110|sqm|sqft|abbr=on}}

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|designer = Yves Loday

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}}

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 {{convert|40|kn}} and can sail at about {{convert|35|kn}} in 20–25 knots of wind {{Cite web |url=http://www.extreme40.org/extreme40.asp?pid=152 |title=EXtreme 40 > 40ft full carbon high performance catamaran |access-date=2010-06-06 |archive-url=https://web.archive.org/web/20100812115124/http://www.extreme40.org/extreme40.asp?pid=152 |archive-date=2010-08-12 |url-status=dead }} 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. {{Cite web |url=http://www.isharescup.com/en/theboat.asp?id=13273 |title=IShares Cup |access-date=2009-08-17 |archive-url=https://web.archive.org/web/20090703021957/http://www.isharescup.com/en/theboat.asp?id=13273 |archive-date=2009-07-03 |url-status=dead }}

Extreme 40s are {{convert|40|ft|m|order=flip}} long, have a {{convert|23|ft|m|order=flip}} beam, displace {{convert|1,250|kg}} of water, have a mast height of {{convert|62|ft|m|order=flip}} and a claimed top speed of {{convert|40|kn}}. The mainsail is {{convert|75|sqm|sqft}} and the jib is {{convert|25|sqm|sqft}}. The gennaker used for downwind sailing is {{convert|110|sqm|sqft}}. {{Cite web |url=http://www.extreme40.org/extreme40.asp?pid=153 |title=Extreme 40 |access-date=2010-06-06 |archive-url=https://web.archive.org/web/20160303181714/http://www.extreme40.org/extreme40.asp?pid=153 |archive-date=2016-03-03 |url-status=dead }}