Pioneers like Thomas Newcomen and James Watt created ever-improving steam engines ... Its four-stroke engine used a pair of side-by-side pistons to make 2 ½ hp, driving a bike that could achieve ...

We’re introduced to the traditional two-stroke diesel engine as thermally efficient but not smooth-running, and then the gas turbine as smooth but much more inefficient. The free piston engine ...

We had no idea that what’s needed to convert an internal combustion engine to steam power is actually rather ... t really matter as long as it’s a 2-cycle motor. This engine had one spark ...