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Many elements change how fast the car can accelerate to 60 mph. [ii] [iii] Tires, elevation above sea level, weight of the driver, testing equipment, weather conditions and surface of testing track all influence these times. [3]
Land speed records by surface Category Speed (km/h) Speed (mph) Vehicle Operator Date Certifier Refs On ice: 335.7: 208.6: Audi RS 6: Janne Laitinen 9 Mar 2013 FIA [19] On the Moon: 18.0: 11.2: Apollo 17 Lunar Roving Vehicle (LRV‑003) Eugene Cernan: 11 Dec 1972 (unofficial) [20] On Mars: 0.18: 0.11: Mars Exploration Rovers Spirit and Opportunity
To establish the top speed for cars the requirement is, in addition to the above, an independent road test with a two-way run. The mean of the top speed for both runs is taken as the car's top speed. [ 1 ] [ 2 ] In instances where the top speed has been determined by removing the limiter, the test met these requirements, and the car is sold ...
The speed bumps mentioned above slowed down the low-slung Porsche greatly.). 2:57.0 – JCB Fastrac 8250 (Clarkson's tractor in the 'Tractor' Challenge.) 3:14.0 – Suzuki Vitara 1.6 JLX (Hammond's police car in 'Budget Police Car' Challenge, driven by Hammond. Hammond left the track to drive through piled cardboard boxes, and increase his ...
Measuring the 0 to 60 mph speed of vehicles is usually done in a closed setting such as a race car track or closed lot used for professional drivers. This is done to reduce risk to the drivers, their teams, and the public. The closed course is set up for test-drives in order to reduce any variables, such as wind, weather, and traction.
The sources of variability in IRI data include the difference among the readings of different runs of the test vehicle and the difference between the readings of the right and left wheel paths. [ 4 ] [ 5 ] Despite these facts, since its introduction in 1986, [ 6 ] [ 7 ] [ 8 ] the IRI has become the road roughness index most commonly used ...
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Vehicle dynamics is the study of vehicle motion, e.g., how a vehicle's forward movement changes in response to driver inputs, propulsion system outputs, ambient conditions, air/surface/water conditions, etc. Vehicle dynamics is a part of engineering primarily based on classical mechanics.