A Hit With Every Two Strokes. Two-stroke engines combine multiple cycles into the same stroke of the piston. A two-stroke engine combines intake (“scavenging”) and compression into one stroke ...

Type:90-degree V-4, two-stroke compression ignition Mounting configuration: Upright, inverted, or vertical Air intake: Supercharged (DeltaHawk roots style) and turbocharged (Kelly Aerospace) ...

Mazda is touting similar tech here running the two-stroke on compression ignition under light-load conditions (cruising at constant speed, etc. ), with the valvetrain retarded to provide 120 ...

Some engines use a spark to ignite their fuel, and others rely on compression. What does all of that mean? And how do the two ...

Hirth sets out its future vision for unmanned aerial vehicles (UAVs) highlighting superior power-to-weight ratio as the key to extended range and fuel economy. The need for endurance, reduced ...

While these modern two-wheelers boggle the mind, things used to be different when two-stroke engines were early in their development and drum brakes were the norm. It all started in the 1960s with ...

Invented more than 100 years ago, the opposed-piston engine had its heyday during World War II, powering submarines and aircraft carriers. ... two-stroke compression ignition engines, ...