StartUp and running of an Antonov An 2 Showmotor at Eudenbachairshow by Heinz Feld Video by Soaring Pictures Technical Data Type: Ninecylinder singlerow supercharged aircooled radial engine Bore: 156 mm Stroke: 175 mm Displacement: 29. 8 l Length: 1. 213 mm Diameter: 1. 378 mm Dry weight: 560kg Power output: 74