http://www.seabreeze.com.au/News/Sailing/New-World-Speed-Record-Macquarie-Innovation-breaks-50-hits-54-knots_2438424.aspx
Looks pretty impressive, especially as it was achieved in only 22-24 nkots of wind.
Al.
You tube footage here:
http://www.youtube.com/watch?v=8tvTaQY-veA
Al.
wow thats crazy!