Engineering:Naval Air Establishment Chiang Hung

Chiang Hung
Role	Reconnaissance seaplane
Manufacturer	Naval Air Establishment
Primary user	Chinese Navy
Number built	2

The Naval Air Establishment Chiang Hung (江鴻 - "River Swan") was a reconnaissance seaplane developed for the China Navy in the late 1920s. It was a conventional biplane design with single-bay, unstaggered wings of equal span and accommodation for the pilot and observer in tandem, open cockpits. The landing gear consisted of twin pontoons.

Operators

China

• Chinese Navy

Specifications

Data from A History of Chinese Aviation, Jane's all the World's Aircraft 1931

General characteristics

• Crew: 2
• Length: 8.33 m (27 ft 4 in)
• Upper wingspan: 10.54 m (34 ft 7 in)
• Lower wingspan: 10.88 m (35 ft 8 in)
• Height: 3.56 m (11 ft 8 in)
• Wing area: 31.4 m² (338 sq ft)
• Empty weight: 740 kg (1,631 lb)
• Gross weight: 1,180 kg (2,601 lb)
• Powerplant: 1 × Wright J-5 Whirlwind 5-cylinder air-cooled radial piston engine, 123 kW (165 hp)
• Propellers: 2-bladed wooden fixed-pitch propeller

Performance

• Maximum speed: 177 km/h (110 mph, 96 kn) *Alighting speed: 85 km/h (53 mph; 46 kn)
• Service ceiling: 4,700 m (15,500 ft) Absolute ceiling
• Rate of climb: 2.61 m/s (514 ft/min)
• Time to altitude: 3,050 m (10,010 ft) in 31 minutes
• Wing loading: 37.6 kg/m² (7.7 lb/sq ft)
• Power/mass: 9.58 kg/kW (15.75 lb/hp)

Further reading

• Taylor, Michael J. H. (1989). Jane's Encyclopedia of Aviation. London: Studio Editions. pp. 254. 
• Grey, C.G., ed (1933). Jane's all the World's Aircraft 1933. London: Sampson Low, Marston & company, ltd. p. 86c.