Complex sentence: The Vedeneyev M14P is a Russian nine cylinder radial, four-stroke, air-cooled petrol engine which develops 360 hp. Its design dates from the 1940s, and is a development of the Ivchenko AI-14 engine.
Split into simpler sentences: The Vedeneyev M14P is a Russian nine cylinder, four-stroke, air-cooled, petrol-powered radial engine. Producing 360 hp, its design dates from the 1940s, and is itself a development of the Ivchenko AI-14 engine.