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A diagram of an aquaplaning tire Two vehicles aquaplaning through large puddles on the road's surface. Aquaplaning or hydroplaning by the tires of a road vehicle, aircraft or other wheeled vehicle occurs when a layer of water builds between the wheels of the vehicle and the road surface, leading to a loss of traction that prevents the vehicle from responding to control inputs.
Tire balance measurement is a test where the tire is automatically placed on wheel halves, rotated at a high speed and measured for imbalance. Large commercial truck/bus tires, as well as some passenger and light truck tires, are inspected by X-ray or magnetic induction based inspection machines, that can penetrate the rubber to analyze the ...
Variants of the Formula Vee rules exist in Australia, Brazil, Canada, Germany, the UK & Ireland, South Africa, and New Zealand. Particularly notable is Formula First, racing in the US and New Zealand, which employs the same chassis, but with later model Beetle parts, a larger 1,600 cc (98 cu in) motor (New Zealand uses the 1,200 cc [73 cu in] variant) and other upgraded components such as disc ...
Tire uniformity refers to the dynamic mechanical properties of pneumatic tires as strictly defined by a set of measurement standards and test conditions accepted by global tire and car makers. These standards include the parameters of radial force variation , lateral force variation , conicity, ply steer, radial run-out , lateral run-out , and ...
The slipping velocity (difference between the velocity of the car and the velocity of the tire in the contact point) will change very quickly and the model becomes a stiff system (a system whose eigenvalues differ a lot), which may require a special solver. The general form of the Magic Formula, given by Pacejka, is: [8]
Formula Super Vee was an open-wheel racing series that took place in Europe and the United States from 1970 to 1990. The formula was created as an extension of Formula Vee, a racing class that was introduced in 1959. Formula Super Vee in Europe was similar to F3 or Formula Renault today, a stepping stone to F1.
Data from Berliner General characteristics Crew: 1 Length: 18 ft 2 in (5.54 m) Wingspan: 17 ft 6 in (5.33 m) Height: 4 ft 2 in (1.27 m) Wing area: 75 sq ft (7.0 m 2) (original square tips) Empty weight: 430 lb (195 kg) Gross weight: 700 lb (318 kg) Fuel capacity: 10.25 gallons Powerplant: 1 × 1600 Volkswagen air-cooled engine Performance Maximum speed: 143 kn (165 mph, 266 km/h) Stall speed ...
Tire load sensitivity describes the behaviour of tires under load. Conventional pneumatic tires do not behave as classical friction theory would suggest. The load sensitivity of most real tires in their typical operating range is such that the coefficient of friction decreases as the vertical load, Fz, increases.