S-17
Sikorsky S-17 circa 1915
Role	Reconnaissance Type of aircraft
National origin	Russian Empire
Manufacturer	Russian Baltic Railroad Car Works
Designer	Igor Sikorsky
First flight	1915
Number built	2

The Sikorsky S-17 was a Russian single engine aircraft built at the Russian Baltic Railroad Car Works in Petrograd while Igor Sikorsky was the chief engineer of the aircraft manufacturing division.

The S-17 was a two seat reconnaissance biplane based on the S-10 and powered by a Sunbeam Crusader V-8 water-cooled engine rated at 150 hp (112 kW).^[1][2]

Data from Russian Aviation Museum^[1]

General characteristics

• Crew: Two
• Length: 24 ft 7 in (7.5 m)
• Upper wingspan: 45 ft 3 in (13.8 m)
• Lower wingspan: 41 ft 0 in (12.5 m)
• Wing area: 468 sq ft (43.5 m²)
• Empty weight: 1,863 lb (845 kg)
• Gross weight: 2,624 lb (1,190 kg)
• Powerplant: 1 × Sunbeam Crusader V-8, side-valve, water-cooled, piston engine, 150 hp (110 kW)
• Propellers: 2-bladed

Performance

• Wing loading: 5.6 lb/sq ft (27.4 kg/m²) max load