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Radial force variation or road force variation [1] (RFV) is a property of a tire that affects steering, traction, braking and load support.High values of RFV for a given tire reflect a high level of manufacturing variations in the tire structure that will impart ride disturbances into the vehicle in the vertical direction.
Foreign material, such as road tar, stones, ice, or snow, that is stuck in a tire's tread or otherwise adhered to the tire or wheel may also cause a temporary unbalance and subsequent vibration. Uneven weight distribution in the wheel and tire assembly can result from manufacturing inaccuracies, uneven tread wear, damage over time, or improper ...
Paved & Gravel Hilly Road Courses: Contains over eight miles of roadway including a 1,000-foot, 10% asphalt slope, various stone slopes, a 23% asphalt slope, a 1.5-mile gravel road, two level cross-country courses and an off-road course. ATV Courses: Washboards, logs, hills, and mud pits complete this ATV testing facility.
The radial force variation can be expressed as a peak-to-peak value, which is the maximum minus minimum value, or any harmonic value as described below. Some tire manufactures mark the sidewall with a red dot to indicate the location of maximal radial force and
Interstate 270 (I-270) is an auxiliary interstate highway that forms a beltway loop freeway in the Columbus metropolitan area in the US state of Ohio, commonly known locally as The Outerbelt or the Jack Nicklaus Freeway.
The brake balance or brake bias of a vehicle is the distribution of brake force at the front and rear tires, and may be given as the percentage distributed to the front brakes (e.g. 52%) [1] or as the ratio of front and rear percentages (e.g. 52/48). [2]
The Indy Department of Public Works also manages Indy Snow Force, their winter weather operations team, with an online map showing what roads have been plowed already in the city.
Electronic brakeforce distribution (EBD or EBFD) or electronic brakeforce limitation (EBL) is an automobile brake technology that automatically varies the amount of force applied to each of a vehicle's wheels, based on road conditions, speed, loading, etc, thus providing intelligent control of both brake balance and overall brake