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A hydroplane (or hydro, or thunderboat) is a fast motorboat, where the hull shape is such that at speed, the weight of the boat is supported by planing forces, rather than simple buoyancy. A key aspect of hydroplanes is that they use the water they are on for lift rather than buoyancy, as well as for propulsion and steering : when travelling at ...
The list of modern world champions extended into the 1980s, when the sport entered the catamaran, and then the 'superboat' era – the 1000 cubic inch total engine displacement restrictions were lifted for boats over 45 feet (14 m) in length, and soon three- and four-engine boats sporting F16 fighter canopies replaced the venerable 35-to-40 ...
Although a bit of a misnomer as the boats aren't without limits, unlimited hydroplanes have much fewer restrictions than with limited hydroplane racing. These 30 foot, 6,800 lbs boats most often powered by a Lycoming T55 -L7 turbine engine (used from the Vietnam era to the present day in the CH-47 Chinook military helicopter ), which is capable ...
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H1 Unlimited is an American unlimited hydroplane racing league that is sanctioned by the American Power Boat Association (APBA). Until 2009, the series was known as ABRA Unlimited Hydroplane, in turn renamed from APBA Unlimited Hydroplane in 2004. The H1 Unlimited season typically runs from July through September, consisting of five races.
In unlimited hydroplane racing, both were eventually supplanted by gas turbine engines, which exhibit even more favourable power-to-size and power-to-weight ratios. [17] Some of the most significant Merlin-powered hydroplanes include: [citation needed] Slo-mo-shun V (from 1954 on, 1954 Gold Cup winner, first for Merlin power)
Miss Bardahl was an Unlimited Hydroplane that raced from 1957 to 1969. Between 1963 and 1968, the team won five American Power Boat Association Gold Cups. Driver Ron Musson won three from 1963 through 1965, and driver Bill Schumacher won in 1967 and 1968. Miss Bardahl also was a six time National Champion. [1]
Back in June, a couple of unlimited hydroplane owners felt there would be nine boats vying for the HAPO Columbia Cup title. Unfortunately, that number has dwindled to six, which as far as this ...
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