Here’s what happens in water: Normally, the engine sucks in air. That air is mixed with vaporized fuel, and that mixture is ...

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 ...

The engine has a total dry weight of 2,300 tons ... massive — the crankshaft weighs 300 tons while each individual piston comes in at five tons. This puts just the reciprocating parts already ...