Their focus is on free piston engines as power sources for hybrid electric vehicles, something which due to their small size they seem ideally suited for. Perhaps the free piston engine has faced ...

The choices of single-engine piston aircraft range from small, two-seat light sport airplanes for purely affordable recreational flying to high-end luxury models, with price tags to match.

Why not just rebuild a junkyard 400, one of the biggest small-block ... 0:1 compression ratio pistons, and a hydraulic roller camshaft are all included in the complete engine build.