Another is the EcoMotors International (EM) opoc engine, aka open piston, opposed cylinder ... The opoc engine is also a two-stroke, guaranteeing lots of quick torque, but it "runs as a fully ...

It’s an Open Source Two-Stroke ... aircraft engine first produced in the early 1930s and continued production through World War II. This is a weird engine, with two opposed pistons in one ...

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 ...