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Xi'an H-8

From Wikipedia, the free encyclopedia
Chinese strategic bomber project
H-8
RoleStrategic bomber
Type of aircraft
National originPeople's Republic of China
ManufacturerXi'an Aircraft Industrial Corporation
StatusCancelled
Primary userPeople's Liberation Army Air Force
Developed fromXian H-6

TheXian H-8 bomber (Chinese:轰-8;pinyin:Hōng-8) was a Chinesemilitary aircraft and a possible successor to the aging twin-enginedXian H-6 jet bomber.[1] It is referred to asXian H-7 in some sources.[2] The proposed designs were reported to be an enlarged H-6 with four or six underwing engines, but the project was canceled in 1971 in early development stage.[3]

Development

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On 23 March 1970 the No.603 Research Institute was tasked with developing a strategic bomber to be designated H-8, to reduce costs and development time the Xian H-6 airframe was used as a baseline. The first working sample was expected to be completed in 1973, and production was expected to be as early as in 1974.[1]

However, the development of the H-8 paced slowly and came to a halt as major development resource was transferred toShanghai Y-10. In September 1971, the H-8 project was canceled, whilst theH-6I was continued on as a substitute.[1]

Variants

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  • Xian H-8I – Two powerplant options were studied, using four WS-6J (Type 910) turbofans or six Pratt & Whitney JT-3D turbofans but no aircraft were built.
  • Xian H-8II – A H-6 with increased wing span, powered by six WS-6J turbofans in evenly spaced nacelles, and possibly a re-designed flight-deck with an extended solid nose. No aircraft were built.

Specifications

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Data from[citation needed]

General characteristics

  • Crew: 6
  • Length: 48.5 m (159 ft 1 in)
  • Wingspan: 46.47 m (152 ft 6 in)
  • Height: 13.85 m (45 ft 5 in)
  • Wing area: 293 m2 (3,150 sq ft)
  • Empty weight: 63,000 kg (138,891 lb)
  • Gross weight: 145,000 kg (319,670 lb)
  • Max takeoff weight: 163,000 kg (359,353 lb)
  • Powerplant: 4 ×Shenyang WS-6Jturbofan engines, 107.9 kN (24,300 lbf) thrust each

Performance

  • Maximum speed: 1,000–1,050 km/h (620–650 mph, 540–570 kn)
  • Cruise speed: 850–875 km/h (528–544 mph, 459–472 kn) at high altitude
800 km/h (500 mph; 430 kn) at low to medium altitude
  • Range: 8,100 km (5,000 mi, 4,400 nmi) with 70,000 kg (154,324 lb) payload
  • Combat range: 5,000 km (3,100 mi, 2,700 nmi)
  • Ferry range: 11,000 km (6,800 mi, 5,900 nmi)
  • Service ceiling: 14,000 m (46,000 ft)

Armament

  • Guns: 2× NR-23 cannons in manned tail turret
  • Bombs: 18,000 kg (39,683 lb) of free-fall weapons

See also

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References

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  1. ^abc魏刚; 陈应明; 张维 (October 2011).中国飞机全书 第三卷. 航空工业出版社. p. 194,195.ISBN 9787802438231.
  2. ^Rupprecht, Andreas, 2013 Dragon's Wings. Birmingham: Ian Allan Publishing Ltd.
  3. ^Specifications of the H-8 bomber globalsecurity.org
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