Sopwith 5F.1 Dolphin Technical Specifications
Service Year: 1917
Type: Biplane Fighter Aircraft
National Origin: United Kingdom
Manufacturer(s): Sopwith - UK
Production Total: 2,072
Structural (Crew Space, Dimensions and Weights)
Operating Crew (Typical): 1
Overall Length: 22.24 feet (6.78 meters)
Overall Width: 32.51 feet (9.91 meters)
Overall Height: 8.50 feet (2.59 meters)
Weight (Empty): 1,479 lb (671 kg)
Weight (MTOW): 2,008 lb (911 kg)
Installed Power and Standard Day Performance
Propulsion: 1 x Hispano-Suiza piston engine developing 200 horsepower.
Maximum Speed: 112 mph (180 kph; 97 knots)
Maximum Range: 196 miles (315 km)
Service Ceiling: 19,997 feet (6,095 meters; 3.79 miles)
Rate-of-Climb: 855 feet-per-minute (261 m/min)
Armament / Mission Payload
2 x 7.7mm forward-firing fixed machine guns
1 OR 2 x 7.7mm machine gun in forward oblique angled position.
Global Operators / Customers
France; United Kingdom
Model Variants (Including Prototypes)
Dolphin Mk I - Initial production model; Hispano-Suiza 8B engine of 200 horsepower.
Dolphin Mk II - French license production; fitted with Hispano-Suiza 8F engine of 300 horsepower.
Dolphin Mk III - Fitted with direct-drive Hispano-Suiza 8B engine.