Power rating: 33.6 kW (45 hp) at 1,300 rpm Displacement: 4.6 L (279 cu in.) Bore and Stroke: 90 mm (3.5 in.) x 120 mm (4.7 in.) Alessandro Anzani, an Italian who originally built motorcycles in France ...

If you look at aircraft from the Second World War or earlier, you'll notice that many of them have engines with large frontal areas and cylinders arranged about the propeller crankshaft. This a radial ...

The idea of a hybrid-electric engine for supersonic aircraft may elicit a similar initial response, but there is some very firm engineering logic behind it. Put simply, conventional supersonic engines ...