Incat Tasmania reports that June 23 2015.

Fastest boat speed record. Whats he up to now. Worlds fastest boat - 511 kmh - Ken Warby - great documentary from 30. CNN For more than eight years the world sailing speed record has remained unbroken.

However it is estimated that Warby reached an estimated 300 knots 555 kmh or 34486 mph. Over a 3-kilometer course. The official world water speed record is 27597 knots 51109 kmh or 31758 mph by Ken Warby in the unlimited-class jet-powered hydroplane Spirit of Australia on Blowering Dam Lake New South Wales Australia on 8 October 1978.

Thats 51110kmh in our numbers. On a cold day in October 1991 a team from the Massachusetts Institute of Technology MIT led by physicist Mark Drela set a record for the fastest human-powered water craft. In November 2012 Australian Paul Larsen reached 6545 knots or 121 kilometers per hour75 mph in his.

Daryl Ehrlich USA attained a speed of 4200 kmh 26098 mih. Unofficial helicopter speed records by the Sikorsky X2 460 kmh on 15 September 2010 and the Eurocopter X3 472 kmh on 7 June 2013 would surpass this record if accepted. The Top Fuel Hydro boat built by Fast Eddie Knox USA and Eddie Knox Racing broke the record at the International Hot Boat Association IHBA NAPA Auto Parts World Finals.

A bevy of illogically fast boats wowed the crowds but the most impressive was Brad Rowlands South Bay 925CR Tooned In which clocked a maximum speed of 114mph 99 knots and set a new world record. Mach number depends on ambient temperature and thus altitude as well as speed. On 8 October 1977 Ken Warbys Spirit of Australia jet boat skimmed across the glass-like water on its way to an official record of 31758mph.

The worlds fastest ever sailor Paul Larsen is a sailing speed freak. 22678 knots in the propeller-driven Problem Child at Firebird Raceway near Phoenix Arizona USA on 22 November 2009. A new champion emerges.