What it has developed is an opposed-piston, two-cycle ... In fact, these engines have successfully powered things like ships, tanks, and aircraft. But to date, this technology has never really ...

While most engines made in the last 100 years have adhered to the standard single-piston per-cylinder design, the TS3, also known as the "Commer Knocker," is an exception. The opposed-piston ...

and Stationair are powered by piston engines. These are 4- to 6-cylinder direct drive horizontally opposed, air-cooled engines. Depending on the aircraft requirements, these engines may be ...