Piston rod
Videos
In a piston engine, a piston rod joins a piston to the crosshead and thus to the connecting rod that drives the crankshaft or the driving wheels.
The vertical piston rod of a large beam engine at Dorothea Quarry
Stationary steam engine from Swannington Incline. Note the tail rod and secondary crosshead
Small steam locomotive, with piston rod visible between the cylinder (green, left) and the crosshead (right). Note the small brass lubricator (the leftmost), whose function is to lubricate the piston rod and stuffing box, through a short oil pipe
Czech class 252.0 locomotive, with a tail rod
Connecting rod
Videos
A connecting rod, also called a 'con rod', is the part of a piston engine which connects the piston to the crankshaft. Together with the crank, the connecting rod converts the reciprocating motion of
Piston rod
…In a piston engine, a piston rod joins a piston to the crosshead and thus to the connecting rod that drives the crankshaft or (for steam locomotives) the driving wheels. Internal combustion engines, and in particular all current automobile engines…
Typical design of automobile engine connecting rod
Typical aluminium rod (left), oil drip rod (centre), steel rod (right)
Beam engine with twin connecting rods (almost vertical) between the horizontal beam and the flywheel
Steam locomotive connecting rod (between the piston and the rear wheel; the largest rod visible)