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Su-27 SKM

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The Sukhoi Su-27 (Су-27 in the Cyrillic alphabet) (NATO reporting name 'Flanker') is originally a Soviet fighter aircraft designed by the Sukhoi Design Bureau (SDB). It was intended as a direct competitor for the new generation of American fighters (which emerged as the F-14 Tomcat, F-15 Eagle, F-16 Fighting Falcon, and F/A-18 Hornet), with exceptional range, heavy armament, and very high agility. The Su-27 most often flies air superiority missions, but is able to perform almost all combat operations. Its closest American counterpart is the American F-15 Eagle. Some believe the Su-27 to have been born from a competition between Sukhoi and Mikoyan-Gurevich, given the Su-27's and MiG-29 'Fulcrum's similar shape. This is not so: the Su-27 was designed as long-range air superiority fighter and interceptor, whereas the MiG-29 was designed to fill the role of short-range tactical support fighter.

The Su-33 'Flanker-D' Fleet Defense Interceptor was developed from the Su-27 design for use on aircraft carriers. Main differences include a tail hook and canards. Given the purpose of this interceptor, one would say that its closest counterpart is the American F-14 Tomcat, whereas the MiG-29K 'Fulcrum-D' would be analogous to the F/A-18 Hornet.

The Su-30 is a two-seat, dual-role, fighter for all-weather, air-to-air and deep interdiction missions.

Further versions include the Su-34 'Fullback' strike variant and the Su-35 'Flanker-E' improved air defense fighter.In 1969 the Soviet Union learned of the United States Air Force's selection of McDonnell Douglas to produce the Fighter Experimental design (which was to become the F-15 Eagle). In response to that upcoming threat, the Soviets instituted the PFI (perspektivnyi frontovoy istrebitel, Advanced Frontline Fighter) program for an aircraft that could match the new American fighter on its own terms.The Sukhoi design, which was altered progressively to reflect Soviet awareness of the F-15's specifications, emerged as the T-10 (Sukhoi's 10th delta wing design), which first flew on 20 May 1977. The aircraft had a large delta wing, clipped, with two separate podded engines and a twin tail. The 'tunnel' between the two engines, like on the F-14 Tomcat, acts both as an additional lifting surface and hides armament from radar. While being developed, it was spotted by spy satellite at the Zhukovsky flight test center near the town of Ramenskoe, resulting in the temporary codename of Ram-K. It was believed that the Ram-K was being developed in two versions: a swing-wing fighter similar in function to the Grumman F-14 and a two-seat fixed wing interceptor aircraft which in fact turned out to be the unrelated Mikoyan MiG-31.From 1986 a special Su-27 designated P-42, rebuilt from the prototype T-10S-3 aircraft and stripped to minimum weight, began to set the first in a series of performance records for rate of climb and altitude, the aircraft setting 27 new class records between 1986 and 1988.The Su-27's basic design is aerodynamically similar to the MiG-29, but it is substantially larger. It is a very large aircraft, and to mimimize its weight its structure has a high percentage of titanium (about 30%, more than any of its contemporaries). No composite materials were used. The swept wing blends into the fuselage at the leading edge extensions and is essentially a delta, although the tips are cropped for wingtip missile rails or ECM pods. The Su-27 is not a true delta, however, because it retains conventional tailplanes, with two vertical tailfins outboard of the engines, supplemented by twofold-down ventral fins for additional lateral stability.

The Su-27's Lyulka AL-31F turbofan engines are widely spaced, both for safety reasons and to ensure uninterrupted airflow through the intakes. The space between the engines also provides additional lift, reducing wing loading. Movable guide vanes in the intakes allow Mach 2+ speeds, and help to maintain engine airflow at high alpha. * Crew: One
* Length: 21.9 m (72 ft)
* Wingspan: 14.7 m (48 ft 3 in)

* Leading edge sweep: 42°)

* Height: 5.93 m (19 ft 6 in)
* Wing area: 62 m² (667 ft²)
* Empty weight: 16,380 kg (36,100 lb)
* Loaded weight: 23,000 kg (50,690 lb)
* Max takeoff weight: 33,000 kg (62,400 lb)
* Powerplant: 2× Lyulka AL-31F turbofans, 122.8 kN
* Maximum speed: 2,500 km/h at altitude (1,550 mph Mach 2.35)
* Range: 1,340km combat mission at sea level 3,530 km combat mission at high altitude (800 mi at sea level / 2070 mi at high altitude)
* Service ceiling: 18,500 m (60,700 ft)
* Rate of climb: 325 m/s (64,000 ft/min)
* Wing loading: 371 kg/m² (76 lb/ft&sup2')
* Thrust/weight: 1.085

Channel: Autos & Vehicles
Uploaded: September 30, 2007 at 4:03 am
Author: zeoul001

Length: 00:09:48
Rating: 4.77
Views: 20929

Tags: Sukhoi Su-27 SKM multirole fighter bomber jet russian aircraft su-37 Boeing Airbus Eads f-22 iraq war military aviation

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