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 ...

The whole engine rocks on the wire frame which also makes it different to most other Stirling engines that you can watch on the net. The free piston is just one type of several possible ...

Even military propeller aircraft, like the C-130 Hercules and the Airbus A400M Atlas, have jet engines behind their propellers. So, what are piston and turboprop engines? How do they work ...