The Siemens-Halske Sh 12 was a nine-cylinder, air-cooled, radial engine for aircraft built in Germany in the 1920s. First run in 1925, it was rated at 80 kW (110 hp). The Sh 12 was also produced in the United States by Ryan Aeronautical Corp. as the Ryan-Siemens 9.
Applications Albatros L 68 Albatros L 79 Arado S I Arado W 2 BFW M.21 BFW M.27 Bücker Bü 133 Jungmeister Command-Aire 3C3-B Lampich BL-6 Raab-Katzenstein KL.1 Udet U 8 Udet U 11 Kondor Udet U 12 Flamingo VL Sääski Weiss-EM-10 Ölyv Lóczy Hungária
References bungartz.nl