THE paper by H. 0. Farmer on “Free-Piston Compressor-Engines”, read before the Institution of Mechanical Engineers on December 6, must have been for many their first introduction to the subject, as ...

Got an old air conditioning compressor lying around? And some engineering skills? Why not turn that thing into a real, working internal combustion engine? That's what one YouTuber did, and the result ...

Everyone generally knows about piston and rotary engines, with many a flamewar having been waged over the pros and cons of each design. The “correct” answer is thus to combine both into a single ...

Some of the world’s most complicated engines were created to achieve a specific objective. These engines were built to satisfy monster power requirements or to hit a high level of performance within ...