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"Assault palne of ninetieth"

T-12

 

                   open article - Stormtrooper - 90(russian)             

 

Work on "Assault-90" was started in 1984, the preliminary design prepared in 1989. We considered many options, both with one and two cabins, mostly twin-engine.

As a result, the basis of the power plant was the "product 21" - besforsazhny version of RD-33K. Take-off weight in the TTZ was limited to number 18 800 kg, but the end of the work has reached 21 500 - 21700 kg.

T-12 is a lifting body with two cabins, which are located between the air intake ducts. Wing negative sweep at the ends - containers REP. Left on the flight cockpit is equipped with radar (probably variant radar rearview IFI), the right - the operator - OLS. All weapons - inside.

 

Dimensions:

Span 04.16 m

Length 7.13 m

Height 4.7 m

Wing Area 58.6 sq ft

 

Weight:

Max 21700 kg

Normal 18500 kg

Empty 10 850 kg

Fuel 6400 - 7500 kg

Load 4250 - 6500 kg

Wing loading 315 - 370 kg / m

Thrust of 0.5 - 0.6

Engines 2 * RD-33K (izd.21)

Thrust:

            Maximum 5500 kg

            Small gas 350 kg

Fuel consumption 0.76 kg / kgf * h

Speed:

            maximum of 1000 km / h

            Cruise 835 km / h

            at idle to 250 km / h

Range: 3,200 km - 5,000 km

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Close air support aircraft.

 

Supposedly designed with IBNIA (Novosibirsk).

Photos 1996.

According to the reference book "Jane" was supposed to build a machine based on units serial Su-25.

In particular research uses the cabin, and wing keels, which have raised more questions than answers. In theory, such decisions could reduce the cost of production preparation.

Overall, the project is similar to the British fighter helicopters SABA .


Wingspan 14.36 m 
Span 5.59 m. PGO 
length 3.14 meters 
Height 4.61 m 
3.28 m Wheel track 
3.80 m. The base chassis

 

 

 

 

Attack aircraft of the special period.

 

Alexei Zakharov fragments Article

"The tactical aircraft for Russia - an attempt to market-based approach"

Source: http://www.almanacwhf.ru/?no=4&art=8

 

 

... Assault on my basic combat performance was basically not to give the Su-25. After reviewing the order of twelve or fourteen options was chosen scheme, which allowed to achieve compliance with the TTZ. Yuri was the lead designer Ivashechkina - chief designer of the Su-25, converted to the time at OKB. Mikoyan.

The aircraft was designed with the turboprop engine (power plant was completely taken out of the draft of IL-114). Yielding to the Su-25 for maximum speed, the new attack had (with the same payload) great ferry range without drop tanks, the possibility of basing on the ground of low density, could be applied to limited areas and had a very low landing speed. Additional features were stand-alone operation with a "hop aerodromes" (technical staff and necessary equipment were transported by ground attack plane), as well as the ability to perform transport and special missions. Fuel consumption for a typical execution of combat missions over the Su-25 was less than five times.

Higher, compared with the Su-25 aircraft survivability ensures reserving booths "in the ball," the appropriate layout, as well as a low vulnerability to missiles with infrared homing (due to a number of layout and design decisions). According to specialists NIIAS, capture missile seeker of "Stinger," there was only a very narrow cone directed "back-up and away." High-speed maneuverability to ensure effective application of combat work "on earth" and, according to experts KB them. Kamov, which are familiar with the project, made this plane "the worst enemy of helicopters, which they could imagine." These characteristics provide the use of aircraft as a "fighter UAVs", which is very important in light of the significant expansion of the use of unmanned vehicles in recent years.

It should be particularly noted that all estimates are absolutely realistic - in the "poster wars" that are so fond of some of the designers of the period, the project of attack aircraft did not participate.  

.... Unfortunately, the data presented below are based on calculations of the mid-80s. However, comparison of price data makes it possible for the initial evaluation, and a calculation for the current conditions experienced economist will be able to without any problems.

Customer demands for economic characteristics of the aircraft were formulated verbally and concerned a storm trooper, "to no more than a tank." This problem was solved practically, if the cost of the tank at that time was considered equal to 1 million rubles., The estimated cost of $ 1.2 million attack plane now. For comparison - the cost of being in a time of mass production of the Su-25 was 3.5 million rubles.

.... Based on the objectives, the design of aircraft was designed as technological. Intelligent solutions for design and layout problems caused by the fact that almost inevitable at the stage of the project ties conflicts between design and engineering departments at work do not arise.Project-based attack aircraft Yakovlev Design Bureau. Mikoyan later drafted a transport aircraft.

The project was planned to use in the airborne equipment complex located only in mass production or high degree of readiness for production samples. This will allow, and now with little effort to link the side (perhaps due to removal of the avionics are in order and taking off his share of the airframe / engine aircraft).

Engines for the attack aircraft were assumed to be TV-7-117C (with IL-114), but it is now possible to use forced by resource-TV-3-117VMA SBM1 (with AN-140) or VC-2500.

 

 

 

The integrated aircraft.

 

Past research on the prospective bomber T-4MS shown numerous advantages of the integrated layout. These developments would have been tempting to apply in practice and in smaller-scale projects, such as fighter or attack aircraft.

E-model fighter jet was shown in the film in a series of "Red Star" on the establishment of the Su-27. This aircraft with a takeoff weight of about thirty tons. Relatively thin center section could accommodate a class of engines AL-31F, so I had to place four half as much traction.

Later, somewhere in the early nineties at an International Conference on CAD ​​representatives of the company, "Su" electronic model showed a similar layout. At first sight this type of attack an American A-12. In reality, the picture without afterburner engines, practically fit into the center section, the diagram of P-33D.

 

length of                                                     15.4 m

span                                                    7.19 m

height                                                     4.1 m

wing area                                    60 sq m

Maximum takeoff weight            25,000 kg

Maximum speed                 is subsonic

 

 

update

14.06.2009

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 
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19 сентября 2006