books.google.com - Amid the continuous struggle for aerial superiority during World War 1, two aircraft types were at the forefront. Both rotary-engined fighters, the Sopwith Camel and the Fokker Dr I triplane were relatively slow for their time, but were regarded as the most maneuverable machines produced during the conflict,...http://books.google.com/books/about/Sopwith_Camel_Vs_Fokker_Dr_I.html?id=Qswwiv7No80C&utm_source=gb-gplus-shareSopwith Camel Vs Fokker Dr I