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Wheel alignment, which is sometimes referred to as breaking or tracking, is part of standard automobile maintenance that consists of adjusting the angles of wheels to the car manufacturer specifications. [1] The purpose of these adjustments is to reduce tire wear and to ensure that vehicle travel is straight and true (without "pulling" to one ...
Caster angles over 7 degrees with radial tires are common. Power steering is usually necessary to overcome the jacking effect from the high caster angle. Some front-end alignment calls for different right-side and left-side caster. This is called cross caster, and the difference is called the spread.
Tires with large unbalances are downgraded or rejected. When tires are fitted to wheels at the point of sale, they are measured again on a balancing machine, and correction weights are applied to counteract their combined unbalance. Tires may be rebalanced if driver perceives excessive vibration. Tire balancing is distinct from wheel alignment.
Tire maintenance for motor vehicles is based on several factors. The chief reason for tire replacement is friction from moving contact with road surfaces, causing the tread on the outer perimeter of tires to eventually wear away. When the tread depth becomes too shallow, like for example below 3.2 mm (4/32 in), the tire is worn out and should ...
Performance vehicles may run zero front toe or even some toe-out for a better response to steering inputs. Increased front toe-in marginally increases the wear on the tires as the tires are under slight side slip conditions when the steering is set straight ahead. On front-wheel drive vehicles, the situation is more complex. Rear toe-in ...
The “coital alignment technique,” aka CAT. (Photo: Illustration by Isabella Carapella) In onestudy of women who were unable to orgasm from missionary sex, published in the Journal of Sex and ...
Fair warning, it almost hurts to look at this photo of a woman sitting on a subway that's going viral. Sitting with your legs nicely crossed is one thing, but this woman somehow managed to twist ...
Because the tire cannot be forced into the ground as the spindle travels in an arc, the tire/wheel assembly raises the suspension and thus causes the tire/wheel assembly to seek the low (center) return point when it is allowed to return. Thus, since it has a tendency to maintain or seek a straight ahead position, less positive caster is needed ...