here is the top end of a MAN B&W 2-stroke turbo diesel, 14k98ME-C7, 14 cylinders, 98 centimeter bore (thats 38,58 inches of bore for the metrically challenged) stroke is 4.5 meteres (117 inches bore) and an output of 84280 kW or 113021 horsepower at 104 RPM!