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Friedrichshafen FF.33 was a German single-engined amphibious reconnaissance biplane designed by Flugzeugbau Friedrichshafen in 1914. ==Versions== ;FF.33 :Initial production version powered by a Mercedes D.II engine, six built ;FF.33b :FF.33 with pilot and observers positions reversed, additional observers-operated machine-gun and powered by 119 kW (160 hp) Maybach inline piston engine, five built. ;FF.33e :Main production reconnaissance variant powered by a Benz Bz.III inline engine, longer twin floats, under tail central float removed, and radio transmitter instead of armament, about 180 built. ;FF.33f :Scout/Fighter version based on FF.33e with reduced span wings and reduced length but fitted with a machine-gun on a pivoted mount, five built. ;FF.33h :FF.33f with aerodynamic refinements, and duplication of wing-bay bracing cables as a safeguard if the observer has to fire his machine-gun forward through the wings, about 50 built. ;FF.33j :FF.33e with aerodynamic refinements and the provision of a radio transmitter and receiver. ;FF.33l :Main production scout/fighter version, with further aerodynamic improvements and a fixed machine gun, about 130 built ;FF.33s :dual-control trainer version ;FF.39 :Refined version of the FF.33e with a 149 kW (200 hp) Benz Bz.IV engine, 14 built. ;FF.49c :Further improved FF.39 with strengthened structures, balanced controls, a radio receiver and transmitter, machine-gun for observer, over 200 built. ;FF.49b :Bomber variant of the FF.49c, crew positions reversed, deletion of observers machine-gun and provision to carry a light bombload, 15 built. ;FF.59a :Development aircraft based on FF.39 with different tail, one built. ;FF.59b :Development aircraft based on FF.39 with different tail, one built. ;FF.59c :FF.39 with modified tail unit, wing interplane struts moved outwards and inner-bay bracing wires removed. ;C.I :A landplane version of the FF.33l with wheeled landing gear, one built. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Friedrichshafen FF.33」の詳細全文を読む スポンサード リンク
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