PAK-FA, T-50: News #4

MC-21 wrote:

The publication " Air & Cosmos " published an article " Izdeliye 30 eqiupe le Su-57 ", which is interesting from abroad for testing the new Russian "second stage" engine "product 30" for the perspective fighter PAK FA. Thus, the article says that the second prototype of the Su-57 fighter (T-50-2) was used for the tests. The engine of the second stage for the Su-57 fighter ("product 30") was developed at the Lyulka Design Bureau under the guidance of Evgeny Marchukov and in cooperation with other major Russian engine building companies. The prototype of the Su-57 fighter (the T-50-2 aircraft, the on-board number "052") in flight with the engine "product 30" (c) Vesti-24

For example, the company Salyut developed a high-pressure compressor, a combustion chamber and an engine nozzle "product 30" with a controlled thrust vector. The engine will be produced at PJSC "UDK-UMPO" (now there is produced engine AL-41F1S or "product 117C" for the Su-35S fighter). According to the manufacturer, gas generator "product 30" has a compression ratio of 6.7, air flow is 21-23 kg / s. The temperature of the gases in front of the turbine reaches 1950-2100 degrees Kelvin. Maximum Thrust is 17-18 tons, which is more than 15 tons for the engine of the "first stage" AL-41F1.

Further development of the "product 30" engine will be stimulated by orders from Indians under the FGFA program, as the Indians do not want to equip it with the AL-41F1 engine installed on the PAK FA prototype.

Austin wrote:A few words about the engine "product 30"

December 15Th, 0:02

The publication " Air & Cosmos " published an article " Izdeliye 30 eqiupe le Su-57 ", which is interesting from abroad for testing the new Russian "second stage" engine "product 30" for the perspective fighter PAK FA. Thus, the article says that the second prototype of the Su-57 fighter (T-50-2) was used for the tests. The engine of the second stage for the Su-57 fighter ("product 30") was developed at the Lyulka Design Bureau under the guidance of Evgeny Marchukov and in cooperation with other major Russian engine building companies. The prototype of the Su-57 fighter (the T-50-2 aircraft, the on-board number "052") in flight with the engine "product 30" (c) Vesti-24

For example, the company Salyut developed a high-pressure compressor, a combustion chamber and an engine nozzle "product 30" with a controlled thrust vector. The engine will be produced at PJSC "UDK-UMPO" (now there is produced engine AL-41F1S or "product 117C" for the Su-35S fighter). According to the manufacturer, gas generator "product 30" has a compression ratio of 6.7, air flow is 21-23 kg / s. The temperature of the gases in front of the turbine reaches 1950-2100 degrees Kelvin. Maximum Thrust is 17-18 tons, which is more than 15 tons for the engine of the "first stage" AL-41F1.

Further development of the "product 30" engine will be stimulated by orders from Indians under the FGFA program, as the Indians do not want to equip it with the AL-41F1 engine installed on the PAK FA prototype.

https://bmpd.livejournal.com/3002080.html

The RosElectronics Holding started producing nitride gallium (GaN) transistors to create 5G communication networks and a new generation of radar systems. Experimental samples of devices have been tested in the structure of quadrocopters, radio stations and airport location equipment and are currently supplied to more than 20 enterprises for test operation.

The new transistors have a high value of specific output power, a broad band of matching, a high value of breakdown voltages "drain-source". The output power of the devices is from 5 to 50 W, the power gain is from 9 to 13 dB, the drain efficiency is not less than 45% at the test frequency of 4 GHz and 2.9 GHz. Transistors are completely interchangeable with imported analogs, which allows you not to make additional settings in the equipment.

The developer of products was Voronezh JSC "Research Institute of Electronic Technology" (as part of the holding company is part of the Concern "Sozvezdie"). The company is currently working to expand the range of GaN-transistors.

The heteroepitaxial structures of GaN and solid solutions based on it are increasingly used in the field of radio and power electronics. The development of production of high-power GaN-based transistors is expected to lead to a significant reduction in the size of power supplies, adapters, and chargers. In particular, it will essentially reduce the mass and increase the efficiency of electric vehicles and hybrids. Microwave / GaN transistors in communication networks will increase the volume of transmitted traffic due to a larger frequency range.


http://rostec.ru/news/4521887

PapaDragon wrote:
Holy hell, an actual balanced article about Su-57 in Western media!!!

Isos wrote:54 million $ for a su 57

Even su30 mki is 75 million, this guy is clearly talking bs.

Kimppis wrote:

Isos wrote:54 million $ for a su 57

Even su30 mki is 75 million, this guy is clearly talking bs.

I think the devaluation explains it. So a Su-57 "actually" (2013's exchange rate) costs around $100 million. The dollar price of a Su-30 for the Russian military has also been cut in half. Or rather it's totally irrelevant and misleading, they don't spend dollars, they spend roubles. So yeah, that's how the Russian military budget in dollars works. Totally makes sense and is sooo comparable to other/Western countries (not).

It's really funny actually... Su-30SM must be even cheaper than that currently. So with the current exchange rates, I wonder how much the Russian military actually pays for a single Su-30SM, in dollars? It could be something ridiculous like $20 million. Yeah, $20 million for a brand new, heavy 4+ generation multirole fighter. "B-b-b-but I just looked at Wikipedia and Russian military spending is 15 times lower than America's and not even highest in Europe. The Russian economy is also smaller than Canada's or California's..."

Isos wrote:54 million $ for a su 57

Even su30 mki is 75 million, this guy is clearly talking bs.

PapaDragon wrote:
Holy hell, an actual balanced article about Su-57 in Western media!!!

PapaDragon wrote:

Holy crap, check out nose section!

It's low-res pic but I'm pretty sure that it's also serated.

Looks like online stealth fanboys will be eating their own feces for decades to come