Complex sentence: Initial production version, powered by 75 hp Salmson A.D.9 or 85 hp Pobjoy Cataract II engines, 28 built (six with Salmson engine).
Split into simpler sentences: Initial production version, powered by 75 hp Salmson A.D.9 or 85 hp Pobjoy Cataract II engines. A total of 28 built (six with Salmson engine).