DICTIONARY OF AUTOMOTIVE TERMS - "Ya"

Y:

A letter rating for tires to indicate that they are theoretically rated for speeds up to 300 kph (186 mph), as in P220YR15.The next higher rating is Z and the one lower rating is W

Yard :

See:
breaker's yard
scrap yard

Yard sale:

A bicycle term borrowed from skiing where a serious crash leaves all your various "wares" -- water bottles, pump, tool bag, etc. -- scattered as if on display for sale.

Yardstick:

Trucker slang for Mile markers on the road side as in "There's a smokey advertising at the 75 yardstick."

Yaw:

The rotation about a vertical axis that passes through the car's center of gravity.

Yaw acceleration:

A steady increase in the yaw angle

Yaw angle:

The angle of deviation between a vehicle's longitudinal axis and its true direction of motion, i.e., the difference between the direction a vehicle is pointing when cornering and the direction in which it is actually moving

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