Barsanti–Matteucci Engine
The Barsanti-Matteucci engine was the first invented internal combustion engine using the free-piston principle in an atmospheric two cycle engine. In late 1851 or early 1852 Eugenio Barsanti, a professor of mathematics, and Felice Matteucci, an engineer and expert in mechanics and hydraulics, joined forces on a project to exploit the explosion and expansion of a gaseous mix of hydrogen and atmospheric air to transform part of the energy of such explosions into mechanical energy. Origin The idea originated almost ten years earlier with Barsanti when, as a young man, he was teaching at St. Michael's College in Volterra, Italy. An engineer from Milan Italy, Luigi de Cristoforis, described in a paper published in the acts of the Lombard Royal Institute of Science, Literature and Art, a pneumatic machine (later built and shown to work) that ran on naphtha and an air mixture, and which constituted the first liquid fuel engine. Prototypes During the twelve years of collaboration betwe ...
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