page_title: Formula 1 Powerboat World Championship
section_title: Boats
hierarchical_section_title: Formula 1 Powerboat World Championship / Boats
caption_attribution_description: F1 Powerboat World Championship's 2004 Grand Prix of Singapore.
context_page_description: The Formula 1 Powerboat World Championship is an international motorboat racing competition for powerboats organised by the Union Internationale Motonautique and promoted by H2O Racing, hence it often being referred to as F1H2O. It is the highest class of inshore powerboat racing in the world, and as such, with it sharing the title of F1, is similar to Formula One car racing. Each race lasts approximately 45 minutes following a circuit marked out in a selected stretch of water, usually a lake, river, dock, or sheltered bay.
  Qualifying periods decide the formation of the grid, and timing equipment records the performance of competitors to decide the final classification and allocation of championship points.
context_section_description: F1 racing uses tunnel hull catamarans that are capable of both high speed and exceptional manoeuvrability. Overall, the boats weigh 860 pounds (390 kilogrammes), including 260 pounds (118 kilograms) of engine.  They are 20 feet (6 metres) long and seven feet (2 metres) wide, keeping weight low through extensive use of carbon fiber and kevlar. The tunnel hull design creates aerodynamic lift due to a 'wing' formed by the deck and under surface of the hull.  This increases lift and reduces drag, so that at speed only a few inches of the boat touch the water, leading to the high speed possible with these hulls.
  F1 boats are powered by a Mercury Marine V6 two stroke that burns 100LL Avgas at a rate of 120 liters (32 gallons) per hour, generating over 400 horsepower at 10,500 rpm.  This engine can propel the boats to 100 km/h (62 mph) in less than four seconds and to a maximum speed of over 250 km/h (155 mph).
caption: F1 powerboats at the 2004 Grand Prix of Singapore.
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