2026-09-27T16:35:46+01:00https://marinefinds.org.uk/datalabs/terminology/object/format/jsonhttps://marinefinds.org.uk/datalabs/terminology/object/format/xmlhttps://marinefinds.org.uk/datalabs/terminology/object3056137889INTERNAL COMBUSTION ENGINEYAn engine or prime mover, in which a mixture of air and fuel is ignited inside a closed cylinder, and the resulting explosion drives a piston to the opposite end of the cylinder, its movement turning a crankshaft via suitable mechanical parts.546P