Anyway, allow me to restate the dilemma: As an elevator moves up or down in a shaft, it has to displace (i.e. move) air. Because it’s acting just like a piston (or plunger), it wants to try to ...

Rotary engines have plenty of quirks, but they can still put up some impressive power figures. Here are some of the most ...

The world's largest piston engine is the Wärtsilä RT-Flex96C inline-14 diesel, which generates 110,000 hp, stands 44 feet ...

In a free piston engine, combustion happens the same way, but there is no crankshaft. On the face of it, this seems crazy, as the pistons are just left rattling around in their cylinders.

Working with engine manufacturers worldwide, Achates Power is intent on bringing the opposed-piston engines to market. It is currently working on 2.7, 5, 10, 14, and 200L engines for different ...

The engine, surprisingly, runs for longer than it has any right to run. Garage 54 specializes in doing the absurd job you've only dreamed of doing, but stopped because they were bad ideas.

2. Achates Power, an engine developer based in San Diego, claims its opposed-piston, compression-ignition two-stroke diesel (at right) can power a 40-mpg (highway) economy car like the Ford Fiesta ...

The engine you see here has three opposed-piston engines in a chain, forming a triangle. This setup made 3,700 hp when turbocharged. A much simpler bank of six cylinders (12 pistons) could power ...

NEWARK, Del, Jan. 15, 2025 (GLOBE NEWSWIRE) -- The automotive piston system market is poised for steady growth, with its valuation expected to reach USD 2,300 million by 2025. Driven by ...

The world's biggest piston engine doesn't go in a car, or even a plane, and it packs enough power to put most other engines to shame. Here's what we know.

For a time, the Wankel rotary engine seemed like the future. In 1963, German automaker NSU—later absorbed into Audi—debuted the Wankel Spider, the first internal-combustion production car not ...