Removing the oil pan provides a spectacular view of the carnage. There are palm-sized pieces of the piston and connecting rod in there, in addition to lots of finer pieces of metal. We ultimately ...

The piston and connecting rod are one piece, meaning the cylinder must pivot, which provides a clever way of switching between intake and exhaust. Tiny crankshaft, tiny flywheel. Everything you ...

Conventional gasoline engines have a basic fault; their reciprocating parts (pistons, connecting rods, etc.) must be stopped and started thousands of times per minute. This wastes power ...

The cavities you see here are designed to fit the pistons and connecting rods. Here, the gas ignites and pushes the two components up and down. This causes the connecting rods to spin the ...

Besides the fact that there are no fuel-air explosions involved, these pistons are also double ... the cylinders also acted as connecting rods, tilting back and forth as the crankshaft rotates.