The lower Engine part with main rod bearing journals. It converts reciprocating motion to rotary motion.
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.
A round cast iron housing attached to an axle shaft are spindle, on which the brake shoes press to stop its rotation.
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.