We all know how a conventional internal combustion engine works, with a piston and a crankshaft. But that’s by no means the only way to make an engine, and one of the slightly more unusual ...

A camshaft uses egg-shaped "cams" to open and close engine valves (one cam per valve), while a crankshaft converts "cranks" (the up/down motion of the pistons) to rotational motion. Located in the ...

Then it's placed inside the piston and the pin connects the two components. Now, the engine can finally be assembled. First, the crankshaft is bolted onto the block. Then the piston is pushed into ...

Besides the fact that there are no fuel-air explosions involved, these pistons are also double-acting ... tilting back and forth as the crankshaft rotates. After some testing, he discovered ...

U.S. auto safety regulators are investigating complaints that engines can fail on as many as 1.4 million Honda and Acura vehicles ...