O.S. ENGINE Model Engines,...
O.S. ENGINES is a leading manufacturer of single- and multi-cylinder model aircraft engines ranging from the small .10 LA two-stroke to the FF-320 four-stroke "giant-scale" flat four-cylinder and the FR7-420 Sirius7 7-Cylinder Radial Engine "giant-scale" radial. The company manufactures required accessories for their engines including glow plugs, exhausts/mufflers and air filters. O.S. ENGINES has also extended their product range to include engines for model cars and boats while also producing model steam locomotives. Please refer to the individual product presentations for additional information.