Rate of the volume in the cylinder above the piston when the piston is at bottom dead center to the volume in the cylinder above the piston when the piston is at top dead center.
The relationship between the height of the tire from bead to tread, and the tread width, usually expressed as a percentage of the trade width.
The lower Engine part with main rod bearing journals. It converts reciprocating motion to rotary motion.
A round cast iron housing attached to an axle shaft are spindle, on which the brake shoes press to stop its rotation.