VIDEO: Cogito's wing

Steve Clark demonstrates the wing on his remarkable C-Class catamaran

Cogito, the Little America's Cup winner in 1996 is still by far the dominant boat at the present International C-Class Catamaran Championship, nearing its conclusion in Bristol, Rhode Island.

In this unique collection of video footage, Cogito's owner and crew, Steve Clark, explains how the exceptional wing on his boat works. To read more about Cogito's wing click here. It should be remembered that this wing is the product of six previous Little America's Cup campaigns (all the Patient Lady series of cats) and was put together with all the attention of a big America's Cup development program.

Clip 1 - Steve describes what the mainsheet does and shows how they can put up to 40 or so degrees of camber into their wing.
PC : 7.3MB Mac : 11.3MB

Clip 2 - Steve demonstrates the role of the middle element, the flap connected to the back of the wing's front element and how it automatically sets up the wing's slot and is restricted relative to the amount of camber
PC : 12MB Mac : 18.7MB

Clip 3 - A long one this (apologies). Steve shows how they can induce twist in Cogito's rig. Cogito was the first wing where they could induce twist in the front element, which Steve explains they wanted but didn't know how to do it, until they were shown the way by an inventive International Canoe sailor. What is not clear in the video is that there is spar that runs up the inside of the front element that remains static as twist is induced into the bottom of the front element's outer casing.
PC : 16MB Mac : 25MB

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