China’s Chengdu J-20 stealth fighter which conducted its first test flight in 2011 cannot be counted as a fifth-generation fighter yet, the Kanwa Defense Review.
The J-20 prototypes have Russian-built AL-31F or domestic WS-10 engines designed for fourth-generation fighters like the Russian Su-27 and Chinese J-10. Because the J-20 cannot achieve supersonic flight or supermaneuverable performance with either of these engines, the aircraft does not qualify as a fifth-generation fighter despite its stealth capability.
It took Lockheed Martin 16 years to put the F-22 Raptor into service after the aircraft’s first flight in 1998. It spent another 15 years to have F-35 Lighting II ready for service. Russia will put its T-50 stealth fighter into service next year after its first flight in 2010. If China can get the J-20 ready for action by next year, it will set a record by achieving the feat in just five years.
The F22 has 51% more thrust with 26000 lbs vs 17125 lbs for the J-20.
The F22 has 27% thrust with afterburners at 35,000 lbs vs 27000 lbs for the J-20.
Crew: one (pilot)
Length: 20 m (66.8 ft)
Wingspan: 13 m (44.2 ft)
Height: 4.45 m (14 ft 7 in)
Wing area: 78 m2 (840 sq ft)
Empty weight: 19,391 kg (42,750 lb)
Gross weight: 32,092 kg (70,750 lb)
Max takeoff weight: 36,288 kg (80,001 lb) upper estimate
Fuel capacity: 11,340 kg (25,000 lb)
Powerplant: 2 × WS-10 (prototype), AL-31F (prototype) or Xian WS-15 (production) afterburning turbofans, 76.18 kN (17,125 lbf) thrust each dry, 122.3 or 179.9 kN (27,500 or 40,450 lbf) with afterburner
Wing loading: 410 kg/m2 (84 lb/sq ft)
Thrust/weight: 0.94 (prototype with interim engines)
PL-12 Medium Range AAM
Length: 62 ft 1 in (18.92 m)
Wingspan: 44 ft 6 in (13.56 m)
Height: 16 ft 8 in (5.08 m)
Wing area: 840 ft² (78.04 m²)
Airfoil: NACA 64A?05.92 root, NACA 64A?04.29 tip
Empty weight: 43,340 lb (19,700 kg)
Loaded weight: 64,840 lb (29,410 kg)
Max. takeoff weight: 83,500 lb (38,000 kg)
Powerplant: 2 × Pratt & Whitney F119-PW-100 pitch thrust vectoring turbofans
Dry thrust: 26,000 lb (116 kN) each
Thrust with afterburner: 35,000+ lb (156+ kN) each
Fuel capacity: 18,000 lb (8,200 kg) internally, or 26,000 lb (12,000 kg) with two external fuel tanks
At altitude: Mach 2.25 (1,500 mph, 2,410 km/h)
Supercruise: Mach 1.82 (1,220 mph, 1,960 km/h)
Range: over 1,600 nmi (1,840 mi, 2,960 km) with 2 external fuel tanks
SOURCES – Wikipedia, Want china Times, Kanwa defense
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