We’re introduced to the traditional two-stroke diesel engine as thermally ... but much more inefficient. The free piston engine, a design with opposed pistons working against compressed air ...

The opposed-piston engine has been utilized since the 1920s and uses two pistons in each cylinder mounted with the heads of the pistons facing each other. The TS3 engine differs from others as it ...

Namely, in 1954 truck manufacturer Commer offered a model with a Rootes TS3 opposed-piston, two-stroke diesel engine. The unusual powerplant was quite common on the British company's trucks ...

We’re introduced to the traditional two-stroke diesel engine as thermally ... but much more inefficient. The free piston engine, a design with opposed pistons working against compressed air ...

Achates was specifically looking into this kind of opposed-piston engine, having recognized that there was more potential to emissions-save in an economic way with a two-stroke than a four-stroke.