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Sukhoi PAK-FA

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Sukhoi PAK-FA T-50
Role Multirole-fighter
Crew 1
Passengers 1
First flight 29 January 2010
Entered service In development (expected to enter service in 2016)
Manufacturer Sukhoi
Produced 5 (Only prototypes)
Length 19.8 m
Wingspan 14 m
Height 6.05 m
Wing area 78.8 m2
Empty 18,500 kg
Loaded 26,000 kg
Maximum takeoff 37,000 kg
Engine 2 Al-41F1
Power (each) New engine with 180 kN (prototype 147 kN) dry thrust: 86,29 kN
Maximum speed Mach 2.5 (3000 km/h)
Cruising speed Mach 1.7-1.8
Range 5500 km
Ceiling 20,000m+
Rate of climb 350 m/s

The Sukhoi PAK-FA is a twin engine stealth multirole fighter being developed by Sukhoi OKB and HAL under a joint venture. The current prototype is T-50. The Aircraft will have 3D TVC, super manveuverability, stealth features, internal bays, it was built to compete with the F-22 Raptor of the U.S. Air Force. 


The Sukhoi PAK-FA was developed to replace the Sukhoi Su-27 Flanker and MiG-29 Fulcrum 4th Gen Fighters of the Russian Air Force. Even though its stealth, the American F-22 Raptor can still shoot it down because of the problem with its weak armor and it can't carry as many weapons as the F-22 can.


It is expected that the PAK-FA will be equipped a 1500 transmit AESA radar with two side-looking AESAs, forming up a ~2,300 T/R module radar complex. The main radar is based on the Irbis-E PESA of the Su-35. Additionally, it will have two L-band radars on the wing tip sections and a small second X-band on its tail, providing 360 degree radar coverage. It will also feature an advanced IRST (Infrared search and Track) sensor.


The PAK-FA´s aerodynamics are going to be highly competitive against the F-22A and YF-23A designs it´s biggest trade will be it´s high agility, it features:

  1. Full moveable LERX and stabilizators
  2. A 3D thrust vector system
  3. A good thrust to weight ratio
  4. Low wing loading

When looking on the video of the PAK-FA´s first flight it can be seen that the PAK-FA absolved takeoff without using its horizontal stabilizators, meaning that it gained altitude only with the use of it´s aerodynamic capabilities. In fact, other than the PAK-FA, only the F-22 Raptor is able to take-off only with accelerating and without pitching up.


The PAK-FA is also the first Russian aircraft with real stealth capabilities. The key features of the PAK-FAs Stealth capability are the faceted design on the intakes and the paralleled edges. However it has a limited stealth design when comparing it to other fighter of its class , but the PAK FA also features plasma stealth technology.


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