Diesel aircraft engines promise lower fuel burn and cheaper operating costs at a time when every gallon and every kilogram matter in the air. Yet as manufacturers push these powerplants into more ...

Diesel engines are a rarity in aviation history, but they've carved out an interesting niche. While most aircraft rely on gasoline-powered piston engines or jet turbines, diesel has offered some ...

Click to open image viewer. Dr. Hugo Junkers started development of his Diesel aircraft engines in a small factory at Dessau, Germany in 1911. His early engines functioned on the two-stroke cycle ...

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, ...