1 August 2015

Sukhoi Su-30

The Su-30 started out as an internal development project in the Sukhoi Su-27 family by Sukhoi. The design plan was revamped and the name was made official by the Russian Defense Ministry in 1996. Of the Flanker family, only the Su-27, Su-30, Su-34 and Su-35 have been ordered into serial production by the Defense Ministry. All the others, such as Su-37, were prototypes. The Su-30 has two distinct version branches, manufactured by competing organisations: KnAAPO and theIrkut Corporation, both of which come under the Sukhoi group's umbrella.
KnAAPO manufactures the Su-30MKK and the Su-30MK2, which were designed for and sold to China, and later Indonesia, Venezuela and Vietnam. Due to KnAAPO's involvement from the early stages of developing Su-35, these are basically a two-seat version of the mid-1990s Su-35. The Chinese chose an older but lighter radar so the canards could be omitted in return for increased payload. It is a fighter with both air superiority and attack capabilities, generally similar to the U.S. F-15E.
Irkut traditionally served the Soviet Air Defense and, in the early years of Flanker development, was given the responsibility of manufacturing the Su-27UB, the two-seat trainer version. When India showed interests in the Su-30, Irkut offered the multirole Su-30MKI, which originated as the Su-27UB modified with avionics appropriate for fighters. Along with its ground-attack capabilities, the series adds features for the air-superiority role, such as canards, thrust-vectoring, and a long-range phased-array radar. Its derivatives include the Su-30MKM, MKA and MKV for Malaysia, Algeria and Venezuela, respectively. The Russian Air force operates several Su-30s and has ordered the Su-30SM version.

Development
While the original Su-27 had good range, it still did not have enough range for the Soviet Air Defense Forces (PVO, as opposed to VVS – the Soviet Air Force). The Air Defense Forces needed to cover the vast expanse of the Soviet Union. Hence, development began in 1986 on the Su-27PU, an improved-capability variant of the Su-27 capable of serving as a long-range interceptor or airborne command post.
The two-seat Su-27UB combat trainer was selected as the basis for the Su-27PU, because it had the performance of a single-seat Su-27 and long-range missions require two crew members. A "proof-of-concept" demonstrator flew 6 June 1987, and this success led to the kick-off of development work on two Su-27PU prototypes. The first Su-27PU flew at Irkutsk on 31 December 1989, and the first of three pre-production models flew in 14 April 1992.

Flight Characteristic
The integrated aerodynamic configuration, combined with the thrust vectoring control ability, results in high manoeuvrability and unique takeoff and landing characteristics. Equipped with a digital fly-by-wire system, the Su-30 is able to perform some very advanced manoeuvres, including the Pugachev's Cobra and the tailslide. These manoeuvers quickly decelerate the aircraft, causing a pursuing fighter to overshoot, as well as breaking a Doppler radar-lock, as the relative speed of the aircraft drops below the threshold where the signal registers to the radar.

Avionics
The aircraft features autopilot ability at all flight stages including low-altitude flight in terrain-following radar mode, and individual and group combat employment against air and ground/sea-surface targets. Automatic control system interconnected with the navigation system ensures route flight, target approach, recovery to airfield and landing approachin automatic mode.

Powerplant
The aircraft's powerplant incorporates two Saturn AL-31F afterburning low-bypass turbofan engines, fed through intake ramps. Two AL-31Fs, each rated at 12,500 kgf (123 kN, 27,550 lb) of full afterburning thrust ensures Mach 2 in level flight, 1,350 km/h speed at low altitude, and a 230 m/s climbing rate.
With a normal fuel reserve of 5,270 kg, the Su-30MK is capable of performing a 4.5-hour combat mission with a range of 3,000 km. An aerial refueling system increases the range to 5,200 km (3,200 mi) or flight duration up to 10 hours at cruise altitudes.

Specifications
General characteristics
  • Crew: 2
  • Length: 21.935 m (72.97 ft)
  • Wingspan: 14.7 m (48.2 ft)
  • Height: 6.36 m (20.85 ft)
  • Wing area: 62.0 m2 (667 ft2)
  • Empty weight: 17,700 kg (39,021 lb)
  • Loaded weight: 24,900 kg (54,900 lb) with 56% fuel
  • Max. takeoff weight: 34,500 kg (76,060 lb)
  • Powerplant: 2 × AL-31FL low-bypass turbofans
    • Dry thrust: 7,600 kgf (74.5 kN, 16,750 lbf) each
    • Thrust with afterburner: 12,500 kgf (122.58 kN, 27,560 lbf) each
  • Fuel capacity: 9,400 kg (20,724 lb) internally
Performance
  • Maximum speed: Mach 2.0 (2,120 km/h, 1,320 mph)
  • Range: 3,000 km (1,620 nmi) at altitude
  • Service ceiling: 17,300 m (56,800 ft)
  • Rate of climb: 230 m/s (45,275 ft/min)
  • Wing loading: 401 kg/m2 with 56% fuel (468.3 kg/m2 with full internal fuel) (82.3 lb/ft2 with 56% fuel)
  • Thrust/weight:
    • With full fuel: 0.86
    • With 56% fuel: 1.00
  • Maximum g-load: +9 g
Armament
The Su-27PU had 8 hardpoints for its weapon load, whereas the Su-30MK's combat load is mounted on 12 hardpoints: 2 wingtip AAM launch rails, 3 pylons under each wing, 1 pylon under each engine nacelle, and 2 pylons in tandem in the "arch" between the engines. All versions can carry up to 8 tonnes of external stores.
  • Guns: 1× GSh-30-1 gun (30 mm calibre, 150 rounds)
  • AAMs: 6× R-27ER (AA-10C), 2× R-27ET (AA-10D), 6× R-73E (AA-11), 6× R-77 RVV-AE (AA-12)
  • ASMs: 6× Kh-31P/A anti-radar/ship missiles, 6× Kh-29T/L laser guided missiles, 2× Kh-59ME
  • Aerial bombs: 6× KAB 500KR, 3× KAB-1500KR, 8× FAB-500T, 28× OFAB-250-270, Nuclear bombs
Variants
Su-30K
Commercial (export) version of the basic Su-30.
Su-30KI
Sukhoi proposal for upgrading Russian AF single seat Su-27S. Also proposed export version for Indonesia, 24 were ordered but subsequently cancelled due to the 1997 Asian Financial Crisis.
Su-30KN
Upgrade project for operational two-seat fighters, the Su-27UB, Su-30 and Su-30K. This was cancelled in Russia but later revived as Su-30M2. Belarus consider updating ex-Indian Su-30K to the Su-30KN standard.
Su-30MK
Commercial version of Su-30M first revealed in 1993. Export versions include navigation and communication equipment from Hindustan Aeronautics Limited.
Su-30M2
A version from manufacturer KnAAPO based on the Su-30MK2. The Russian Air Force placed an initial order for the variant in 2009. Factory tests were completed in September 2010. Twenty aircraft have been ordered; 4 in 2009 and 16 in 2012. At least 12 have been produced as of August 2014, all four from the first contract in 2009, and eight from the second contract of 2012. They are mostly to be used as combat training aircraft for upgraded Su-27SM fighters.
Su-30MKI
MKI stands for "Modernizirovannyi, Kommercheskiy, Indiski" meaning "Modernized, Commercial, Indian". Jointly-developed with Hindustan Aeronautics Limited for the Indian Air Force. Includes thrust vectoring control (TVC) and canards. Equipped with a multinational avionics complex sourced from Russia, India, France and Israel.
Su-30MKK
Export version for China. MKK stands for Modernizirovannyi, Kommercheskiy, Kitayski or "Modernized, Commercial, China". Its NATO codename is 'Flanker-G'.
Su-30MKM
A derivative of the India-Russian Su-30MKI, the MKM is a highly specialised version for Royal Malaysian Air Force. It includes thrust vectoring control (TVC) and canards but with avionics from various countries. It will feature head-up displays (HUD), navigational forward-looking IR system (NAVFLIR) and Damocles Laser Designation pod (LDP) from Thales Group of France, MAW-300 missile approach warning sensor (MAWS), RWS-50 RWR and laser warning sensor (LWS) from SAAB AVITRONICS (South Africa) as well as the Russian NIIP N011M Bars Passive electronically scanned array radar, electronic warfare (EW) system, optical-location system (OLS) and a glass cockpit.
Su-30MKA
A version of the Su-30MKI, except with French and Russian avionics for Algeria.
Su-30SM
A specialised version of the thrust-vectoring Su-30MKI and MKM variants for the Russian military, produced by the Irkut Corporation. Russia's Defence Ministry was impressed with the MKI's performance envelope and ordered 30 Su-30SMs, a localised version of Su-30MKI, for the Russian Air Force. The Su-30SM is considered as 4+ gen jet fighter. The new version has been upgraded based on Russian military requirements for radar, radio communications systems, friend-or-foe identification system, ejection seats, weapons, and other aircraft systems. The aircraft is equipped with the Bars-R radar and the wide-angle HUD. A contract for 60 of the multirole fighter was signed in March 2012 with delivery by 2016. On 21 September 2012 Su-30SM performed its maiden flight.
Su-30MKV
Export version for Venezuela.
Su-30MK2V
Su-30MK2 variant for Vietnam with minor modifications.


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