The forward or rearward tilt of the projected steering axis from true vertical, as viewed from the side. This line is formed by extending a line through the upper and lower steering knuckle pivot points. For vehicles with front control arms, visualize the line extending through the upper and lower ball joints. Caster is always viewed from the side of the vehicle. When the upper pivot point is rearward of the lower pivot point, caster is positive. If the upper pivot is forward of the lower pivot point, caster is negative. When the two points are straight up and down from each other, the caster is zero. Caster is not a normal tire wearing angle and is used as a directional control for stability and steering returnability. Caster effect is necessary so that the load of the vehicle is "carried" through the steering axis line formed on the upper and lower pivot points. Here is a diagram explaining different caster settings.
A small wheel used on scenery and scenic equipment for ease of shifting. Casting Director: The producer's representative responsible for auditioning and casting performers for consideration by the director and or producer.
Another element of chassis tuning related to the front wheels. The front wheels are attached to the suspension at the top and bottom of the wheel assembly. The top attachment is typically set a little farther back than the lower attachment, creating caster. The more caster used, the more the wheel resists turning forces, providing stability. Too much caster makes it very difficult to steer and causes the tire camber to change excessively as the wheel is turned.
The angle between a vertical line and the car's steering axis when viewed from the side, measured in degrees and minutes. Casting technology that delivers a liquid molten metal into a purpose-built mould. After cooling, the solid metal surface has the shape of the mould cavity.
The forward or rearward tilt of an imaginary line drawn through the upper ball joint and the center of the wheel. Viewed from the sides, positive caster (forward tilt) lends directional stability, while negative caster (rearward tilt) produces instability. Figure 8. Caster angle (side view)
Caster refers to the forward angle of the suspension's geometry. Because the tire sees added negative camber as the suspension compresses or the tires move through steering lock, increased caster allows you to run lower static negative camber.
The forward or backward tilt of a car's front wheels that, when aligned properly, will make them follow naturally in a straight line. The caster setting is what helps the car return to straight after turning a corner.
Backward or forward tilt of the king pin or spindle support arm at the top. It is the directional control angle measured in degrees and is the amount the center line of the spindle support arm is tilted from the true vertical.
The deviation from vertical of the axis about which the front or steering wheels pivot. Caster is termed "positive" when the steering axis is tipped toward the rear of the vehicle, and "negative" when this axis tips toward the front of the vehicle.
Angle formed between the kingpin axis and a vertical axis as viewed from the side of the vehicle; positive caster (top of kingpin axis behind vertical) keeps wheel running along straight path; tends to return wheel to straight ahead position upon completion of a turn.
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