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Su-28
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Su-28

The Su-28. A photo. History. Characteristics.

 

Su-28 represented a training version of the aircraft, created on the basis of the Su-25. The original name of the project T-8-UT, it was created with the aim of replacing the Czechoslovak of training L-39 Albatros. The prototype of the Su-25 saw the world in the middle of 1987 years. To facilitate the design of the glider managed by eliminating most of the systems of combat use. Nose of the aircraft took sighting system, which was mounted ballast. The aircraft was no body armor pilots. This model got the T-8UTM (Su-28M). After the collapse of the Soviet Union came a deep crisis, and the project had to be frozen, and later completely closed. Nevertheless, the work related to the creation of the Su-28M, useful during the design of a full-fledged combat training modifications deck assault Su-25UTG.

History Su-28

It was decided to upgrade combat training variant T8-UX to the training T8 UT-based Design Bureau. Sukhoi. The idea belonged to Marshal AN Efimov, who was trying to displace the course with training centers pilot training Czechoslovakian L-39.

Su-28 photo

On the basis of the task, the first flight model T8-UB1 was sent for revision. To improve the performance characteristics of the machine it was planned by facilitating its takeoff weight. It was necessary to remove all installations and weapons systems, aiming equipment. On the gun compartment and instead of the station "Maple" staged Rooms', and bow section of the fuselage took a centering weight. On the wing instead of setting "washed down" also appeared paneling.

In July, the completion of 1987-25 Su UT ended successfully, and in August this year, the aircraft first flew. He had planned to present at the Tushino airfield to the public in honor of the Day of Air Fleet.

The plane managed to land the first time on turf, indicating good calculations in the design of the device (directed by plane during landing personally MP Simonov, who served as Chief Designer).

However, to take part in the celebration of the Su-28 and failed. He participated in aviasorevnovaniyah, which took place in Volgograd. The crew showed good results and got the bronze medal.

Improvement of the model continued 2 years. In the early summer of 1989 released an upgraded version of the Su-28M, which together with the Cy-25 presented to the public at the air show in Le Bourget (France). Also, it was shown at the air show in Dubai, Abu Dhabi, in the Philippines.

Su-28 scheme

The serial production of Su-28 not enrolled because of the surging wave of the crisis related to the dissolution of the USSR. On its basis in the future we built a training deck shturmovikSu-25UTG.

Description and application of Su-28

The plane is a simplified modification of the Su-25Ub, which reduce the size of weapons and equipment.

The crew of the aircraft is designed for two people. The purpose was to train novice pilots flying techniques, piloting, working out aerobatics.

Education on the Su-28 could make the cadet, who had mastered the piston aircraft, trained pilots.

 

Su-28 photo

 

The training on this aircraft performs the following flight training:

  • original form of education;

  • testing of equipment and maneuvers in piloting different times of day, simple and severe weather conditions;

  • Learning techniques of the car in the "blind flight";

  • Training in emergency operation mode: failure of engines, navigation equipment and other aircraft systems.

 

To the possibility of training aircraft Su-28 include:

  • maximum continuity with the combat and combat training version of the Su-25 regarding the cabin, flight technical and performance characteristics;

  • high maneuverability;

  • the ability to take-off, landing and flight with one engine running;

  • the ability to operate the machine with diesel fuel;

  • the location of the aircraft on unpaved airfields;

  • Chassis, allowing to make a rough landing;

  • high reliability and fail-safe, minimal maintenance costs.

 

Su-28 side

 

The design provides for installation on a plane four external fuel tanks, the capacity of each of which is 800 liters, and dropping them in the mode of an emergency landing.

 

From its predecessor, the Su-25UB aircraft by the absence of the following components and systems:

  • broneekranov engines;

  • pylon beam and holders;

  • the impact of equipment;

  • filmed electrical systems;

  • systems responsible for managing weapons;

  • additional wiring in the management of the elevator;

  • polyurethane foam in fuel tanks.

 

Also somewhat simplified the fuel system of the aircraft, dismantled part of its units.

Place the captured equipment took a centering weight.

In the cockpit the removed equipment installed plug. They are also placed in the holes shot gun systems and niche installation.

 

Su-28 characteristics:



Modification Su-28
Wingspan, m 14.36
Aircraft Length m 15.36
Height, m 4.80
Wing area, m2 33.70
Weight, kg normal take-off 12000
Weight, kg maximum take-off 17222
Fuel kg of domestic fuel 2750
Fuel kg PTB X 4 1150
engine's type 2 turbojet R-95SH
Thrust, kgf X 2 4100
Maximum speed km / h 950
Ferry range, km 2150
Practical range, at an altitude of km 1050
Practical range, km from the earth 560
The maximum rate of climb, m / min 5100
Practical ceiling, m 7000
Max. operation overload 6
Crew 2

 

Combat aircraft Russian

Comments

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Su-28 - the plane that was supposed to be a trainer for novice pilots. Its special feature is that it is as similar to both the parameters and the appearance and feel of piloting. For the initial skills of the students it is established all the necessary equipment, such as the Su-25. This allows the aircraft to learn how professional piloting, as well as to work in emergency situations such as engine failure, navigation and flight and aircraft systems. Another advantage of the "Dry" is the simplicity to use. Not every training aircraft can boast such quality. It is important to work not only flying in normal conditions, but also more realistic. Especially takeoff and landing. And here 28-second presents a pleasant surprise - it can not just land on the paved airfield, but also on the ground. We should also pay attention to safety. The aircraft simply "neubivaem." Landing with one engine shut off? It's possible. No kerosene? Then, dressed with diesel. Many takeoffs and landings per flight? It will not blink an eye. I believe that the training aircraft to be unpretentious and Su-28 has this quality to the full.

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