The Connecting Rod
The Connecting Rod usually called a CON
ROD is basically a linkage between the crankshaft and the piston. It has a SMALL END and a BIG END, and that’s what they’re called. No prizes for guessing
which is which. The con rod is very important as it carries bearings that
ensure smooth action and it transfers the force applied to the piston to the
crank pin and ultimately rotates the crankshaft.
Various holes help feed oil to the bearing (shown below) and the rods shape is designed to be a light as
possible but also be able to stand the forces tranfered through it.
The cross-section of the con-rod is an I-beam profile, this
provides great strength and makes the rod as light as possible.
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