1927, Minerva AFS. Minerva joined with another Belgian automaker, Farbrique Nationale. That year, the engine in the AF was increased to 6 liters (5952 cc) with double sleeve valves. This Minerva Roadster was constructed in 1927 as an "S" or Sport model. The AFS featured a shortened chassis, a 5925cc Double Sleeve-Valve 6 cyl. engine with a Zenith dual carburetor and rated at 32 CV. They received sporting coachwork, and in this case, the work was done by the Belgian house d'Ieteren Frères.