positive caster
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positive caster — When an imaginary line extending through the steering axis cuts the wheel axis ahead of the extended vertical axis through the wheel center. See caster … Dictionary of automotive terms
positive caster — Auto. See under caster (def. 6) … Useful english dictionary
Caster angle — is the angular displacement from the vertical axis of the suspension of a steered wheel in a car, bicycle or other vehicle, measured in the longitudinal direction. It is the angle between the pivot line (in a car an imaginary line that runs… … Wikipedia
caster — casterless, adj. /kas teuhr, kah steuhr/, n. 1. a person or thing that casts. 2. a small wheel on a swivel, set under a piece of furniture, a machine, etc., to facilitate moving it. 3. a bottle or cruet for holding a condiment. 4. a stand… … Universalium
caster — A wheel alignment adjustment that positions the wheels like the casters on a chair or shopping cart, so the tires follow naturally in a forward straight line. In a truck or older car, the top of the kingpin is either forward (negative) or toward… … Dictionary of automotive terms
caster angle — the angle in side elevation between the steering axis and the vertical. It is considered positive when the steering axis is inclined rearward (in the upward direction) and negative when the steering axis is inclined forward … Mechanics glossary
caster offset — the distance in side elevation between the point where the steering axis intersects the ground, and the center of tire contact. The offset is considered positive when the intersection point is forward of the tire contact center and negative when… … Mechanics glossary
centrifugal caster — the unbalance moment about the steering axis produced by a lateral acceleration equal to gravity acting at the combined center of gravity of all the steerable parts. It is considered positive if the combined center of gravity is forward of the… … Mechanics glossary
Scrub radius — Scrubradius 0 (top) positive (center) negative(bottom) The scrub radius is the distance in front view between the king pin axis and the center of the contact patch of the wheel, where both would theoretically touch the road. The kingpin axis is… … Wikipedia
self-aligning torque — A torque which is created by the tire when the vehicle corners. The force created at the tire patch acts toward the rear of the actual center of the wheel. This action is called pneumatic trail. It has the same effect as positive caster and can… … Dictionary of automotive terms
