This is a so-called bi-rotary engine, in which, thanks to a planetary gear, the crankcase, cylinders and propeller rotate in the opposite direction to the crankshaft. Engine power increased by 35% with this system. The engine is mounted on the Albatros H-1 aircraft.
| Configuration | 11-cylinder radial |
| Cooling | air |
| Displacement | 18.6 l |
| Weight | 195 kg |
| Maximum power | 160 hp |
