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
yaw: The rotation about a vertical axis that
passes through the car's center of gravity.
y-connector: Any connector in
the shape of the letter "Y" -- often referring to a hollow unit. For
example, the line coming from the windshield
washer pump is connected to the bottom part of a "Y" and the two
tubes going to the windshield nozzles are connected to the upper part of the
"Y". It differs from a T-connector
in that the V-shape is straight across.
yield strength: Stress in
psi at which a specimen assumes a specified limited permanent set.
yoke: [1] The yellow of an egg. [2] A triangular
metal piece used to connect the main brake cable with the stirrup
cable in a centerpull brake
system. Also known as a "saddle"
or "pick-up." [3] A bracket or coupling
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