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 ...

When assembling an engine, you will need a ring compressor to squeeze the rings together on a piston to fit the piston and rod combination into the bore. While the adjustable squeeze-the-handle ...

This could lead to smoother running engines, and it's a sign the TFG engine's story isn't over.

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 ...