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Unlike conventional powerboats, which have a single keel, with an indent, or 'step', cut from the bottom to reduce drag, a hydroplane has a concave base with two sponsons fitted to the front and a third point at the rear of the hull. When the boat increases in speed, most of the hull lifts out of the water and runs on the three contact points.
Starting in the early 1990s, Warby built a second jet boat, Aussie Spirit powered with a fresh Westinghouse J34, but he never made a record attempt with it. [8] Warby and his son Dave then worked on a new boat, Spirit of Australia II, powered by a Bristol Siddeley Orpheus jet engine taken from an Italian Fiat G.91 fighter.
The following is a list of speed records for various types of vehicles.This list only presents the single greatest speed achieved in each broad record category; for more information on records under variations of test conditions, see the specific article for each record category.
Lake Lucas [3] was the world's first purpose-built drag boat racing lake when built in 2011. The facility played host to drag boat races for eight straight years until the Lucas Oil Drag Boat Series was discontinued at the conclusion of the 2018 season. Citing a need for the company to move in a new direction, then everything changed in 2020. [4]
In 1975, he set the Southern Drag Boat Association (SDBA) speed record at 137.46 mph (221.22 km/h). [7] In 1976, he switched to nitromethane fuel and set the SDBA record with a 171.81 mph (276.50 km/h) run. [7] He was the SDBA top pointgetter and won the National Drag Boat Association (NDBA) World Fuel & Gas championship. [7]
Grand Prix (GP) is a class of boats featuring supercharged big-block V8 piston engines producing as much as 1,500 horsepower. The 23- to 26-foot craft are fast—routinely attaining speeds in excess of 170 miles per hour (273.5 km/h) in the straights. This class of boat races in the United States, Canada, Australia and New Zealand.
A Class 1 race-boat has twin inboard 1100hp engines and can reach speeds in excess of 257 km/h (160 mph). All boats are limited by a minimum weight of 4950 kg. The sport of powerboat racing has undergone unprecedented changes since the earliest recorded race in 1887 in Nice, France, organized by the Paris Sailing Club.
These include "World’s Fastest Passenger Car" and "World’s Fastest Diesel Truck". The Banks Sidewinder S-10, built from the ground up at Gale Banks Engineering, produces 1250 horsepower and is the "world's fastest and quickest diesel drag truck" with a 7.72 second elapsed time and 179+ mph top speed in the quarter mile.