crankshaft
krangk shaft
- n a rotating shaft driven by (or driving) a crank
- Ford's older 400,000-volters could X-ray 40 crankshafts a day; the new giant works six times as fast.
- By eliminating the crankshaft and a complicated transmission, the free-piston engine cuts weight, cost and loss of horsepower by friction, thus is more efficient all around.
- Castings began to replace forgings on a big scale in 1932 when Ford first poured V-8 crankshafts instead of hammering them.