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Sukhois PAK-FA or T-50 started taxi trials, first flight early in January

Sukhois PAK-FA or T-50 is started taxi trials with an aim to make first flight early in January 2010. Zelin said that by 2009 will be ready three fifth-generation aircraft. All of them are currently undergoing tests and are more or less ready. The PAK-FA development is still classified, so images of the stealthy fighter are expected to appear only after the first flight. Delivery to VVS planned for 2015 as Russia’s basic front-line fighter.

Estimated Performance:
— ——————————–
Dimensions (m):
– wing 14,2; S=78,8 m2
– length 22
– height 6,05
Weight (kg):
– max 37000
– normal 26000
– empty 18500
Fuel (kg): 10300
Combat load (kg):
– max 7500
– AA max 2260 conformal
Speed (km/h):
– max 2100; M2,0;
– rate of climb 350 m/s
– min 0 OVT
– cruise 1300
Alt (m): 20000
Flight range (km): 4000/5500 (2x2000kg)
– supersonic 2500
Runway (m): 350 (w/o OVT)
G-force (g): 10-11
EPR: 0,05 m2
Wing overload (kg/m2):
– max 470
– normal 330
Thrust-to-weight ratio:
– max 0,84
– normal 1,19
Fuel rate: 2,55 kg/km
Flight time: 3,3 h

Engine: AL-41F
– thrust 2×15500/2×9800
– compressor: diameter 932mm, 3 steps
– weight 1350 kg
– pressure increase 4,2-4,5
– life time 4000 hours
– overhaul life 1500 hours
– nozzle:
weight: 380 kg
deviation angle +-16 deg in any direction, +-20 deg flat
deviation speed: 60 deg/sec

Electronics:
N050(?)BRLS AFAR/AESA
Freq: 3mm
Diameter: 0,7m
Targets: 32 (8)
Range: 400 km; EPR 3 m2: 160 km; azimut +-70 deg; 90/-50 deg
Power: 4000 Wt
Weight: 65-80 kg

Armament: ? 2x30mm gun
Hardpoints: ? 8 (conf.), 2*4