| In
            1947, Continental introduced the C90, a four-cylinder version
            of the C145.
             Later, Continental adopted U.S. military
            designation conventions and renamed the C90 the O-200. 
            The U.S. military; however, designated this engine the O-205
            to avoid confusion with the similarly designated Franklin O-200.  | 
           | 
          
            
                | 4-cylinder, horizontally-opposed, air-cooled
                piston engine |  
                | Displacement: 201 cubic inches 
                (3.3 liters) |  
                | Bore x stroke: 4.0625 x 3.875 inches |  
             
           |