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    PAK-FA, T-50: News #3

    GarryB
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    Post  GarryB Sat Sep 12, 2015 11:50 am

    The HMS used for the R-73 is simply a monocle with a crosshair illuminated in it... place that on the target and press a button on the stick and the sensor in the missile/IRST/Radar is directed to look at the target... when it gets a lock the crosshair starts flashing meaning you can take a shot/have a lock/have a lock. In the case of IRST you can lase the target for a range or with radar you have range details already with the lock.

    What these new HMS are intended for is to allow the pilot to see speed and altitude information within his field of view at all times... of course with a TVC aircraft with no chance of stalling the aircraft speed and angle and altitude are much less critical...

    With the helicopter systems there seems to be twin optical sensors used that should allow the pilot to have a virtual view of the world... so they should be able to see as if they were viewing from the chin position of the aircraft and therefore see through the cockpit displays... that would be amazing for landing and take off and would generally be for the pilot rather than the weapons officer.
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    Post  magnumcromagnon Sat Sep 12, 2015 7:36 pm

    Ladies and Germs, remember the name..*ROFAR*, or Radio-Optical Phased Array Antenna. This is the official name KRET has given their 2nd-gen photonic based AESA technology, with working prototypes with a 50% decrease in weight, and a 10-fold increase in resolution compared to contemporary generation of 1st-gen AESA:

    Thanks radiofotonike KRET will create a new generation of radar
    Technology Group will expand the possibilities of modern technology

    PAK-FA, T-50: News #3 - Page 18 Afar

    KRET began laboratory research in the field of radiofotoniki to create radio-optical phased array antenna (ROFAR). This technology will enable a new generation of radar receive radar "vision", RIA "Novosti" Adviser to the First Deputy General Director Vladimir Mikheev KRET.

    Photonic technologies will help to reduce the weight of modern means of communication more than doubled, and the resolution will increase tenfold.

    Thanks radiofotonike must be new opportunities to improve the characteristics of a "smart skin", used in the Russian aircraft and helicopters of the latest generation.

    On the basis of KRET appear laboratory, which will develop a universal technology for radar and other systems of the new generation.

    "The work is a four and a half years, it is carried out in strict accordance with the schedule that we agreed on with the Foundation for Advanced Studies (FPI). Laboratory studies of the individual elements are now. From these elements will be built ROFAR. I think that until 2020 we have show a sample of the full-scale radar ", - said Vladimir Mikheev.

    According to him, an ultra-wideband signal ROFAR allows you to get virtually the TV picture in the radar range.

    "This radar will allow to have a so-called machine vision. That is, we'll get virtually a TV picture in the radar range, "- said Vladimir Mikheev.

    KRET began laboratory research in the field of radiofotoniki to create radio-optical phased array antenna (ROFAR).



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    Post  Mike E Sat Sep 12, 2015 8:19 pm

    Photonic AESA? Don't know why but I always figured they'd be far off, guess not. 

    The increase in resolution is impressive, very...

    I hate to ask given that there is probably information in this very thread; but is there anyone in Russia working on GaN?
    magnumcromagnon
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    Post  magnumcromagnon Sat Sep 12, 2015 9:49 pm

    Mike E wrote:Photonic AESA? Don't know why but I always figured they'd be far off, guess not. 

    The increase in resolution is impressive, very...

    I hate to ask given that there is probably information in this very thread; but is there anyone in Russia working on GaN?

    They announced this back in early May. Here's the original article and my post covering it. 50% decrease in weight and 10-fold increase in resolution are the early working prototypes, this is simply the tip of the iceberg! The mass produced version of ROFAR's will be ready by 2020, and they will see up to 66% decrease in weight, and a several dozen increase in resolution compared to contemporary 1st-gen AESA's, and the PAK-FA's 'Smart Skin' 360° X/L-band AESA suite will likely be one of the first applications of ROFAR's:

    magnumcromagnon wrote:Unbelievable, Viktor and GarryB will love this! Rostec just dropped a bombshell the size of the Tsar Bomba!!! As I already pointed out the strategic importance to develop 'Photonics' (lasers replacing electrons in electronics, a field backed by the Foundation for Strategic Studies). This Rostec article recognizes that the domestic electronics industry is significantly behind the West, and also the strategic importance in jumping ahead of everyone in the field of 'Photonics'. It documents the potential of 'Photonics' when it's fully developed, and the success of KRET developing the field photonics and it's application in radars, with very promising results in the field while it's in it's infancy.


    Some VERY important data points in the article:

    1.) Electronics based on photonics will have decreased the need for 'servers' down to 1/100th the current level, and will increase the data transfer rate by 10 fold!

    2.) When fully mature photonics will allow truck based radars to have the same power, resolution, and capability as massive OTH radars!

    3.) KRET's early work in radiophotonics (photonics based radars) are incredibly promising. Developments in the field while it's in it's infancy allows airborne radars (AEW while based on photonics) weight to be cut down 1/2 the current weight, and increased the resolution by 10 fold!

    4.) Photonic based radars will have it's ECM resistance grow by several orders of magnitude! Will be heavily resistant to electro-magnetic storms...

    5.) By the 2020's photonic based AESA radars will grow by leaps and bounds in capability. The weight of AESA radar will be cut down by 1.5 to 3 times, increase the reliability and efficiency by 2 to 3 times, and increase the scanning speed and resolution by several dozen times that of contemporary AESA radars!

    6.) Photonics can also be effectively applied in housing, for example, in urban and rural heating systems. Instead of hot water energy photons will be used. They will be distributed in photonic crystal fibers with a thickness of human hair, the energy of which is converted into heat with almost 100% efficiency!

    KRET creates a laboratory for research in Photonics

    The group has been developing radar and EW systems based on new technologies

    PAK-FA, T-50: News #3 - Page 18 Afar

    In recent years, electronic systems all often replaced on the photon. Linked it in the first turn with a different physical nature of the photon. That same is a photon and what unique capabilities of military technology will provide a new direction – believe that radio Photonics?

    Faster electron

    Photonics is essentially analogue electronics, are used instead of electrons are quanta of the electromagnetic field – photons. These are the most common number of particles in the Universe, unlike electrons, do not have mass and charge. Therefore, photonic systems are not affected by external electromagnetic fields, have much better transmission range and bandwidth of the signal.

    As a field of science Photonics began in 1960 with the invention of the first important technical devices using photons, laser. The very term "Photonics" began to be widely used in the 1980-ies in connection with the beginning of widespread use of optical fiber transmission. By the way, in our country the first development of such fiber optic cables engaged in the design Bureau of the cable industry, now part of KRET.

    We can say that these developments have made a revolution in telecommunications in the last century and became the basis for the development of the Internet. Actually, until about 2001 Photonics was largely focused on the telecommunications.

    Today "telecommunication" Photonics helps in the creation of a new direction – radio Photonics, which arose from the fusion of electronics, wave optics, microwave optoelectronics and other fields of science and industrial production.

    In other words, believe that radio Photonics deals with the problems of transmission, reception and transformation of information by using electromagnetic waves of microwave range and photonic devices and systems. Believe that radio Photonics allows you to create radio frequency devices with the options that are unattainable for traditional electronics.

    Modern radio apparatus moves in the optical range, and ignoring this fact often leads to very serious consequences. For example, initially in the design of information and telecommunication, service and technical networks of the super-Jumbo A380 were not included photonic network. Used aluminum cable, and its length was more than 500 km away. This has led to serious problems on Board the aircraft. For their decision required a full replacement of all cable networks on each side of which was built for the A380. The result – two years of delays and almost 5 billion euros in financial losses, and the largest Corporation narrowly escaped financial collapse.

    PAK-FA, T-50: News #3 - Page 18 Danil-Kolodin_KRET_high_DKOL2740(1)

    Radiophony breakthrough

    In microelectronics Russia, as you know, behind the Western countries. It is through technologies in the field of radio Photonics invited to compete. Today Russian scientists in the sphere of defense technologies consider it impossible to give up electrons and to pay attention to the photons which have no mass and fly faster.

    According to experts, servers, operating on the principles of Photonics, decreased a hundred times compared to the current, and the data transfer rate would be increased tenfold.

    Or, for example, a ground radar station. Today, this radar is a multi-storey building, but if you start to believe that radio Photonics work, then the station can be installed on a conventional truck. The efficiency and range will be exactly the same – thousands of kilometers. Several mobile and small complexes can be combined into a network, which will increase characteristics of these radars.


    Believe that radio Photonics instead of electronics

    Photonic technologies will significantly expand the capabilities and airborne radars. New developments in this area more than twice reduce the weight of existing antennas and radars, tenfold increase their resolution. Also radiophonic antennas will be a unique resistance to electromagnetic pulses, which occur, for example, during close lightning strikes or when solar magnetic storms.

    All this will create a broadband radars that level of resolution and speed can be called radar vision. Such system is also planned in the civil sphere, for example, on high-speed trains for instant detection of obstacles on the tracks.

    Photonics can also be effectively applied in housing, for example, in urban and rural heating systems. Instead of hot water energy will act photons. They will be distributed in photonic crystal fibers with a thickness of human hair, the energy of which is converted into heat with almost 100% efficiency.

    Laboratory of the future

    In Russia radiophonie technology develops KRET. Today, the group and the Foundation for advanced studies working on a promising project "Development of active phased array-based radio Photonics" (ROPAR). The project includes the creation of a special laboratory on the basis of the Concern and the development of universal technology, which will be the basis for radar and electronic warfare systems for the new generation.

    According to KRET CEO Nikolai Kolesov, the latest technology will allow in 2020 to create an effective and advanced transmitting / receiving apparatus, radar, electronic intelligence and electronic countermeasures of the new generation.

    One of the main areas of work will be the creation of an active phased array (AESA) of the new generation, in which the main elements were created using the principles of radio Photonics. They will reduce the weight of the system is 1.5-3 times increase in 2-3 times the reliability and efficiency, as well as dozens of times to increase the scanning speed and resolution.


    If successful, the technology will open up new opportunities for improving the "smart skin" that will be on the Russian aircraft of the latest generation, including the PAK FA. Such a system of built-in elements throughout the area of the fuselage will allow the crew to get in any time solid radar picture within a radius of 360 degrees, will provide for the operation of antenna systems in active and passive radar, raising all kinds of noise, secretive and noise-immune data transmission, communication with the ground and other aircraft, hoopsnake and more.

    In addition, on the basis of new materials and elements, created on the basis of the principles of Photonics, KRET will learn the advanced technologies of high-power photodetectors and semiconductor laser modules.

    KRET creates a laboratory for research in the field of photonics

    https://www.russiadefence.net/u839
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    Post  flamming_python Sat Sep 12, 2015 11:46 pm

    Ya ya.

    I did my dissertation on a computer architecture that would among other things be able to transmit data between components as photons rather than relying on electrons/
    magnumcromagnon
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    Post  magnumcromagnon Sun Sep 13, 2015 1:03 am

    flamming_python wrote:Ya ya.

    I did my dissertation on a computer architecture that would among other things be able to transmit data between components as photons rather than relying on electrons/

    PAK-FA, T-50: News #3 - Page 18 55976859

    ...But seriously tell us about your knowledge about photonics.
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    Post  mutantsushi Sun Sep 13, 2015 1:15 am

    Right, I think the current angle of research there is on surface photo-magnetic effects to get around limitations on connect density.
    (EDIT: I believe this is called surface plasmon resonance.  One aspect of what falls under "photonics" rubric)

    The reposted article seems to be confusing photonics developments with existing fiber-optic transmission as used in Airbus A380.

    Not only does reduced seeker weight help long range missiles directly, I can imagine this high resolution allowing to change rules of engagement, if very long-range missile can transmit back an "image" of it's target for confirmation/cancellation by the pilot/WSO, simply using the radar seeker hardware. (a hostile target may jam the seeker, but a civilian airliner would not, thus even if the "image" resolution is degraded by jamming, you know it's hostile)

    This stuff about HMD "seeing thru cockpit/airframe" stuff seems questionably useful to me, at most perhaps on helicopter gunships.  In general, enforcing that the pilot/WSO needs to twist their head around is not a good approach... If the platform is collecting sensor data from all angles, it should be able to present actionable data to the pilot/WSO within the normal, comfortable forward-facing direction, regardless of direction of target.  

    Using hi-res radar data to allow landings in bad weather (or very low level flight) is an interesting usage, I believe similar capabilities are already implented via other technology, e.g. LADAR, but this could be as/more efficient (as well as being included "for free" with conventional Fire Control radar capability).
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    Post  sepheronx Sun Sep 13, 2015 5:57 pm

    Mike E wrote:Photonic AESA? Don't know why but I always figured they'd be far off, guess not. 

    The increase in resolution is impressive, very...

    I hate to ask given that there is probably information in this very thread; but is there anyone in Russia working on GaN?

    There is work on 30W GaN I believe.  Istok may be the ones doing it or Tikhomirov.
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    Post  flamming_python Sun Sep 13, 2015 6:49 pm

    magnumcromagnon wrote:
    flamming_python wrote:Ya ya.

    I did my dissertation on a computer architecture that would among other things be able to transmit data between components as photons rather than relying on electrons/

    PAK-FA, T-50: News #3 - Page 18 55976859

    ...But seriously tell us about your knowledge about photonics.

    Don't really have any, just that it's a cool idea which should have been tried long ago, that's all.
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    Post  Berkut Mon Sep 14, 2015 2:54 pm

    PAK-FA, T-50: News #3 - Page 18 21349225971_9beb04d065_oPAK-FA, T-50: News #3 - Page 18 21322346881_82dac1b553_oPAK-FA, T-50: News #3 - Page 18 21314152305_72ffbcd5aa_o

    https://www.flickr.com/photos/realhokum/
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    Post  GarryB Tue Sep 15, 2015 8:07 am

    The looking through cockpits thing is specifically for the pilot and is for day and night all weather operations at low level.

    It, in effect puts the pilots head in the nose mounted ball EO turret allowing them an unobstructed view of the world around them... it is not intended for the gunner/weapon officer as they have different ball optics and sensors... this is mainly for the demands of flying at low level day or night and in all weathers. It would not work at high magnification and therefore would not be much use for scanning for enemy threats.

    It would however be very good for a pilot with very small windows manouvering a rather heavy aircraft between trees or buildings or other places where it is dangerous.
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    Post  Guest Thu Sep 17, 2015 9:17 pm

    Too good to pass up.
    PAK-FA, T-50: News #3 - Page 18 174082
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    Post  mutantsushi Fri Sep 18, 2015 1:04 am

    GarryB wrote:The looking through cockpits thing is specifically for the pilot and is for day and night all weather operations at low level.
    ...It would however be very good for a pilot with very small windows manouvering a rather heavy aircraft between trees or buildings or other places where it is dangerous.
    Yeah, the value for helicopters is pretty clear, when it's brought up in context of fast jets like F-35, not so much... IMHO.
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    Post  mack8 Thu Oct 01, 2015 2:08 pm

    This is T-50-7 (static) right? Very Happy
    PAK-FA, T-50: News #3 - Page 18 175145
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    Post  Berkut Thu Oct 01, 2015 2:38 pm

    Yes.
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    Post  EKS Thu Oct 01, 2015 5:30 pm

    mack8 wrote:This is T-50-7 (static) right? Very Happy
    PAK-FA, T-50: News #3 - Page 18 175145

    Intresting, ram applied. At paraley you can see a picture of a nearly assembeld t 50 also with ram. Can't wait to see the next t 50 airborne!

    Edit: maby i'm wrong About that.....
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    Post  GarryB Fri Oct 02, 2015 2:10 pm

    Yeah, the value for helicopters is pretty clear, when it's brought up in context of fast jets like F-35, not so much... IMHO.

    Actually I would say it is more useful for fast jets... being able to look 360 degrees around the aircraft and see a virtual view generated by DAS system when you spot and enemy fighter you can immediately launch a missile at them... its lock on after launch capability and thrust vector control engine means firing first which would also mean hitting first and therefore surviving.
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    Post  mutantsushi Sat Oct 03, 2015 4:13 am

    GarryB wrote:
    Yeah, the value for helicopters is pretty clear, when it's brought up in context of fast jets like F-35, not so much... IMHO.
    Actually I would say it is more useful for fast jets... being able to look 360 degrees around the aircraft and see a virtual view generated by DAS system when you spot and enemy fighter you can immediately launch a missile at them... its lock on after launch capability and thrust vector control engine means firing first which would also mean hitting first and therefore surviving.
    So by that theory you happen to be pointing your head exactly at right direction to "immediately" target enemy jet.
    Realistically, that will not happen, and spinning your head around all the time is removing awareness from flight tasks and potential enemy fighters from other directions.
    The goal is immediate recognition/localization of enemy jet for immediate firing reponse, right? I dont' see how head spinning enables that.
    The pilot can keep head pointed forward with maximal natural FOV/information, and sensors with 360* view can detect potential enemy aircraft, and "send" TV/FLIR image of that to the pilot's multifunctional displays within front quadrant, along with information indicating location/vector of this potential enemy aircraft amidst total context of airspace, giving pilot same information as spinning head would do, without ergonomic and FoV/attention-switching overhead. With that info, pilot fires weapon of choice or takes other reponce. Head pointing to put a vector on the missile just doesnt' seem necessary, and introduces further pilot actions which take time and remove attention from the most optimized information portal (front console/overlayed forward flight path).
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    Post  jhelb Mon Oct 05, 2015 8:45 pm

    GarryB wrote:Actually I would say it is more useful for fast jets... being able to look 360 degrees around the aircraft and see a virtual view generated by DAS system when you spot and enemy fighter you can immediately launch a missile at them... its lock on after launch capability and thrust vector control engine means firing first which would also mean hitting first and therefore surviving.

    True! But I will say that even today fighter jets remain vulnerable to SAMs primarily because of the progress made in proximity fuse.
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    Post  vultur Tue Oct 06, 2015 8:58 am

    EKS wrote:
    mack8 wrote:This is T-50-7 (static) right? Very Happy
    PAK-FA, T-50: News #3 - Page 18 175145

    Intresting, ram applied. At paraley you can see a picture of a nearly assembeld t 50 also with ram. Can't wait to see the next t 50 airborne!

    Edit: maby i'm wrong About that.....

    Hello! I saw this picture on Russian Planes: the engine covers are not in natural metal, but are painted?
    This aircraft should be the T-50-6-2 from Komsomol?
    Or I'm wrong? Thanks in advance.
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    Post  GarryB Tue Oct 06, 2015 10:49 am

    So by that theory you happen to be pointing your head exactly at right direction to "immediately" target enemy jet.

    You are not getting it.

    The system doesn't just follow the pilots head movements and paints what it thinks the ground and air around him looks like... whereever the pilot looks the aircraft will use the sensor fusion of sensors... be they radar or IRST or just DAS optical sensors to detect incoming threats and generates a view for the pilot consisting of what the sensor sees... if the pilot looks directly down through his own lap the belly mounted IRST would scan down and give a belly view via thermal sight and digital TV sensor of what is directly below him... if there is a tank driving along there the pilot can place his helmet mounted crosshair on it and push a button to get a lock and then release a weapon to destroy the target.

    If he looks down and to the right and sees an enemy helicopter below and behind his aircraft he can launch a 9M100 missile... which is a lock on after launch missile with datalink... the missile is ejected from the weapon bay and turns towards the enemy helo and when it gets a lock is closes in and kills it.

    Without the helmet mounted sighting system he might get an arrow on his hud telling that there is a helo or tank there but he would have to actually turn his aircraft towards the target to get a proper lock and then launch.

    giving pilot same information as spinning head would do,

    the sensors will detect targets 360 degrees whether the pilot is looking or not, but the pilot being able to look at a target well off boresight to examine a target makes engagement easier and simpler.

    If the PAK FA is supercruising then turning 180 degrees could take 5 or 10km... just looking back and releasing a locked weapon is much quicker and more energy efficient and gives the target less warning it is actually under attack.

    Head pointing to put a vector on the missile just doesnt' seem necessary, and introduces further pilot actions which take time and remove attention from the most optimized information portal (front console/overlayed forward flight path).

    Turning your head to look for targets and threats is the most natural thing in the world... flying low in a helo the pilot and gunner will be doing this anyway... as will the fighter pilot.

    True! But I will say that even today fighter jets remain vulnerable to SAMs primarily because of the progress made in proximity fuse.

    Aircraft will always be vulnerable to missiles of all types... stealth and AESA jamming and DIRCMS help of course.
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    Post  Svyatoslavich Wed Oct 07, 2015 1:09 am

    vultur wrote:Hello! I saw this picture on Russian Planes: the engine covers are not in natural metal, but are painted?
    This aircraft should be the T-50-6-2 from Komsomol?
    Or I'm wrong? Thanks in advance.
    No, this is T-50-7, static prototype of second series. The photo was taken last December, when this plane was delivered to Zhukovsky. If I am not mistaken, engine covers in second series are made of composites.
    x_54_u43
    x_54_u43


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    PAK-FA, T-50: News #3 - Page 18 Empty Re: PAK-FA, T-50: News #3

    Post  x_54_u43 Fri Oct 09, 2015 5:40 am

    I wonder if this is the proper place to post this...

    http://vpk.name/news/141712_v_rossii_sozdali_dvigatel_dlya_vozdushnokosmicheskogo_samoleta.html

    "In Russia, created the engine for the aerospace plane"
    Berkut
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    PAK-FA, T-50: News #3 - Page 18 Empty Re: PAK-FA, T-50: News #3

    Post  Berkut Sun Oct 11, 2015 2:40 pm

    Т-50-2 - завершены регламентные работы, стабилизаторы (ГО) заменены на новые, заменён левый двигатель.
    Т-50-3 - установлен новый комплект 101КС-В, КСУ перепрошита под режим дозаправки в воздухе.
    Общий налёт превысил 1000 часов.
    Т-50-8 - срок перевода на ЛИС сдвинут до 01.11.

    T-50-2 - completed maintenance work, stabilizers (horizontal) replaced by new, replaced the left engine.
    T-50-3 - installed a new set of 101KS-B, flight software patched receiver under the regime of refueling in the air.
    Total flight hours exceeded 1000.
    T-50-8 - deadline for transfer to LIS shifted to 01.11.

    Per 10.8.15 the fleet accumulated 938h while total flights was 693. T-50-2 was the one that had most flights (221) while -3 had most flight hours (300) and average of 2h per flight. Over the span of 2 months since then atleast 62 more hours has been added or about 42 additional flights so the total per today is ~735 flights. A graph of the flights accumulated so far;

    PAK-FA, T-50: News #3 - Page 18 ILqNxWJ

    Y-axis is flights of course, x-axis is number of months. We are in 70'th month of flights testing, so the average has been ~10 flights per month since T-50-1's first flight. Bonus oldie but goodie. Smile

    PAK-FA, T-50: News #3 - Page 18 ORvxCsm

    T-50-5R will supposedly have first flight the next week, but i will believe it when i see it. It has been supposed to fly "next week" for 3 months now.
    Stealthflanker
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    PAK-FA, T-50: News #3 - Page 18 Empty Re: PAK-FA, T-50: News #3

    Post  Stealthflanker Sun Oct 11, 2015 3:26 pm

    Berkut any news on PAKFA weapon release demonstration ?

    particularly weapon release from internal bay :3 ?

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    PAK-FA, T-50: News #3 - Page 18 Empty Re: PAK-FA, T-50: News #3

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