Bore and Stroke: 120.7 mm (4.75 in.) x 146.1 mm (5.75 in.) In April 1931, the Guiberson Diesel Engine Company of Dallas, Texas, displayed publicly for the first time its A-980 Diesel aircraft engine, ...

The 20th century was the age of the internal combustion engine. The fruits of industrial progress produced power plants tasked with everything from running generators to powering warplanes. The First ...

Click to open image viewer. Pierre Clerget was inspired by the Gnome to produce a supposedly improved rotary engine in 1911. It was a 7-cylinder, 11.88 liter (725 cu in) engine rated at 60 kW (80 hp) ...