![]() The first original wartime design was S.1 single-seat scout, built October 1914. Engine: Rolls-Royce Falcon 1, 190hp Weight empty: 1730 lb (785 kg) Weight loaded: 2234 lb (1013 kg) Max speed 6,500ft (1981 m); 126.5 mph (204 km/h) Max speed 10,000ft (3048 m); 122 mph (196 km/h) Max speed 15,000 ft (4572 m); 115 mph (185 km/h) Climb to 6,500ft(1981 m); 5min 5sec Climb to 10,000ft (3048m); 10min 20sec Climb to 20,000ft (6096m); 19min 20sec Service ceiling; 22,000 ft (6076m) Endurance; 1.75 hrs |