The difference between SU30MKK and J 1 1

Su -27 and Su -30 have different vertical tail tips. Su -27 is inclined and Su -30 is flat.

The infrared head of SU30 is on the side and 27 is in the middle.

The front landing gear is two wheels, and the front landing gear is single wheel.

This is the main difference in appearance.

Su -27 and Su -30 are both excellent fighters in the Soviet-style series, which occupy an important share in the international fighter market. Although it comes from the same source, it is elegant in appearance and performance because of different development trends and operating requirements.

Su -30 was born out of Su -27UB. From the appearance of the aircraft, its size is exactly the same as that of the Su -27UB, but it is larger than the basic Su -27. As a long-range interceptor and combat trainer, Su -30 mainly has several models, such as basic model, M model and MK model (export), among which M model is multi-purpose. Although the same Al-3 1F turbofan engine as Su -27 is used, the whole aircraft is equipped with or improved the aerial refueling and receiving system, the air-ground precision strike weapon system and the pilot's living system in the cabin. So the empty weight equals the cabin weight. The external layout of the Su -30 has also changed accordingly. The cockpit is equipped with tandem double seats. A hydraulic telescopic aerial oil receiver and a night aerial refueling lamp are installed at the upper left of the nose. Compared with Su -27, the optical radar is located on the right. The auxiliary air inlets of the aircraft air conditioning system are located on both sides of the nose near the wing root, and an external point is added under each wing to increase the number of external points to 12. Su -27' s vertical tail is from front to back. In addition, the protective armor of the Su -30 is stronger than that of the Su -27. The cockpit, fuel tank and engine all have titanium alloy protective layers, and the total weight of the titanium alloy protective layer of the whole aircraft is 1480 kg. In order to meet the landing weight, the front wheel was changed to two wheels, and its fender was also changed accordingly. As for the Su-30MKI currently in service of the Indian Air Force, according to the requirements of the Indian side, the front wing, rear-view radar and multi-function LCD have been added, and the thrust vector engine has been replaced, with obvious differences in appearance.

From the engine room layout, Su -30 and Su-27UB are basically the same, but there are two big differences. First, the pilot's cabin life system has been added, and the pilot can eat, drink and urinate in the cabin; Second, the joystick and guidance display system for accurate ground attack are added in the back cabin to meet the operational requirements of ground attack.

In terms of operational technical performance, Su -30 has further improved its operational capability and the accuracy of airborne navigation system on the basis of Su -27. The TV command guidance system and anti-radiation missile guidance system are added, and the laser indicator pod and anti-radiation missile guidance pod can be carried. In the standard mounting scheme of Su -30, the ammunition configuration is expanded from Su -27 and R-73 to 1 1, and five kinds of air-to-ground precision guided ammunition, such as X-3 1 anti-radiation missile, are added, and the maximum weapon load is increased to 8,000 kg, so that it can easily perform multi-purpose combat tasks. In addition, due to the ability of aerial refueling, the design and execution time of Su -30 can be extended to more than 10 hour. In a test flight in the finalization stage, its prototype flew 15 hours and 42 minutes without landing, with a flight distance of13,440 kilometers, setting a world record for non-landing flight of fighters.

In addition, the improved radio data link of Su -30 can make it cooperate with Su -27, so it can be used as an air commander according to the mission requirements. However, due to the increase of take-off weight, the take-off and landing distance of Su -30 is slightly longer than that of Su -27 under the premise of the same flap opening and landing parachute, and the climbing performance is slightly weaker, which is probably the reason why you can't have your cake and eat it.

Su -27 is a single-seat, Su -27UBK is a two-seat coach of Su -27, and can perform all the tasks of the original Su -27. Because Su -27 UBK is a two-seater and the appearance difference between Su -27 and Su -30MKK is not very big, many people often confuse Su -30MKK with Su -27UBK. Let's talk about Sue.

There are five main differences in appearance between SU-30MKK and SU-27UBK:

First, the 30MKK nose landing gear is a two-wheel structure, and the 27UBK is a single wheel.

Secondly, the top of the vertical tail of 30MKK is flat, and that of 27UBK is pointed (Note: this is also the majority of members of 30MKK and 27 series.

The difference)

Third, the infrared device in front of the 3027UBK windshield is on the right side because the aerial refueling system is in the middle.

Fourthly, 30MKK has a retractable aerial refueling system on the left side of the nose, while 27UBK does not have this device.

Fifth, the 27UBK inlet has a spindle antenna fairing on both sides, while the 30MKK does not.

Su -27UBK