Sukhoi Su-57 / T-50 / PAK FA - flight testing and development Part II [2012-current]

PlanesPictures said:
I think my color scheme was more unique - it is QR code
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This scheme practically begged for my little addition.
 

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Trident said:
LOL! I wasn't sure at first if I wasn't imagining things :)
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That's probably the idea. I wonder if they'll start trying to encode hacks in their camo schemes to reset optical seekers.
 
JeffB said:
Trident said:
LOL! I wasn't sure at first if I wasn't imagining things :)
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That's probably the idea. I wonder if they'll start trying to encode hacks in their camo schemes to reset optical seekers.
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https://en.wikipedia.org/wiki/BLIT_(short_story)

Interesting story.
 
In real life.
 

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flateric said:
In real life.
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I'd indicated I doctored it. I saw the pixelated scheme and that's the first thing that popped in my head to do. (I blame growing up in the early days of video games. ;D )
 
Finally T50-11 '511'

https://vk.com/wall1402266_13617
https://vk.com/photo733936_456241142

https://russianplanes.net/id217632

:)
 
Certain modifications had to be done while both were in production after testing of earlier frames. Since -11 was earlier in production flow it just received the modified parts while -10 had to be reworked, hence taking longer.
 
I've read the September 2017 Air International article on the Su-57, and the electro-optical systems of the aircraft strike me as odd and rather redundant. The missile warning systems appear to be UV-based, which is optimal at detecting a burning rocket motor, but considerably less effective when the missile is coasting. Meanwhile, there are (at least) three separate IR sensors: the IRST located by the canopy, landing/navigation FLIR camera on one of the SRAAM bay fairings, and a targeting pod. I can't help but feel that there's quite a bit of redundancy there and that that something like the F-35's EOTS could've served all those functionalities.
 
After rumours earlier in the day about the first flight on one of the Su-57 prototypes of the new Izd-30 engine, pictures and videos have emerged on the web of the Su-57 flying with what appears to be a shorter engine/nozzle with that new recently seen serrated nozzle.
 
recently seen serrated nozzle has nothing to do with Izd.30
 
According to Google Translate, the T-50 design incorporates "innovative digital stuffing". That'll get you fired from NBC these days.
 
Steven said:
I've read the September 2017 Air International article on the Su-57, and the electro-optical systems of the aircraft strike me as odd and rather redundant. The missile warning systems appear to be UV-based, which is optimal at detecting a burning rocket motor, but considerably less effective when the missile is coasting. Meanwhile, there are (at least) three separate IR sensors: the IRST located by the canopy, landing/navigation FLIR camera on one of the SRAAM bay fairings, and a targeting pod. I can't help but feel that there's quite a bit of redundancy there and that that something like the F-35's EOTS could've served all those functionalities.
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I believe it's because they are all developments of existing systems rather than a brand new design. Cheaper and easier but less capable.
 
PaulMM (Overscan) said:
I believe it's because they are all developments of existing systems rather than a brand new design. Cheaper and easier but less capable.
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Do you have a single piece of evidence suggesting any of them is a development of an existing system, let alone all of them? What system is the predecessor of KS-U? Or KS-O? For example Su-35S uses an IR-based system for MAWS and it looks totally different.
 
Russia's Su-57 Fifth-Generation Fighter Makes First Flight with New Engine

http://www.defense-aerospace.com/articles-view/release/3/188996/sukhoi-su_57-fighter-flies-with-new-engine.html
 
Better video:

https://www.youtube.com/watch?v=371VTv_jQE0
 

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The new LOAN-type nozzle seems slightly shorter and possibly slightly larger diameter. It doesn't seem like the engine nacelles would be reshaped much, if at all.

Samoderzhets said:
PaulMM (Overscan) said:
I believe it's because they are all developments of existing systems rather than a brand new design. Cheaper and easier but less capable.
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Do you have a single piece of evidence suggesting any of them is a development of an existing system, let alone all of them? What system is the predecessor of KS-U? Or KS-O? For example Su-35S uses an IR-based system for MAWS and it looks totally different.
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As I understand it, the electro-optical systems of the Su-57 are developed by UOMZ (the firm that also made the OLS-27), while the Su-35's systems, at least the missile warning systems, were developed by a different firm; how much technology is shared between the two aircraft's systems is unknown. Regardless, the question still remains as to why the Su-57 has three separate infrared sensors with a fair bit of overlap between them; at the very least, I would imagine that the landing/navigation FLIR camera and targeting pod could've been rolled into one onboard system.
 
I don't know if these were posted yet, but here is what I found.
 

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AFAIK the image of T50-10
 

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Two more nice shots ... one showing again 510 and one another bird with an RF-number. ???

Also, none of the camo-pattern fits to 09, 10 or 11? Any idea?
 

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Well spotted!

T-50-11 repainted and assigned a RF-reg for deployment to Syria?

T-50-10 seems to lack the MiG-29/Su-35 style windshield heating elements.
 
Trident said:
Well spotted!

T-50-11 repainted and assigned a RF-reg for deployment to Syria?

T-50-10 seems to lack the MiG-29/Su-35 style windshield heating elements.
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Indeed ... RF-81775 was allegedly:

First Sukhoi Su-57 in service with Russian Air Force, has been to Syria. First one to wear RF- registration.
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https://www.airteamimages.com/sukhoi-su-57_RF-81775_russia---russian-air-force_300980.html

But I agree with "Red Samovar" that it is most likely a slightly modified T50-11:

https://twitter.com/Strike_Flanker/status/971497575588286464
 
Airplane said:
Surprised no one talking about India pulling out of the SU-57. Is the program in that much trouble?
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Surprised that you still don't know the difference between PAK FA and FGFA
https://www.secretprojects.co.uk/forum/index.php/topic,14057.msg328214.html#msg328214
 
and it fire stuff i guess

https://www.youtube.com/watch?time_continue=4&v=iACk08Gp2HE

apparently it's Kh-59MK2
aWMucGljcy5saXZlam91cm5hbC5jb20vYW5kcmVpX2J0LzE4NDI1NjgyLzExNDU3MzIvMTE0NTczMl9vcmlnaW5hbC5qcGc_X19pZD0xMDc1MzU=.jpg


Which is wonderful, i always fascinated on Kh-59MK2. Compact, long ranged and certainly can be carried in numbers. Would make wonderful standoff weapon alternatives for Flankers.
 
stealthflanker said:
and it fire stuff i guess

https://www.youtube.com/watch?time_continue=4&v=iACk08Gp2HE

apparently it's Kh-59MK2
aWMucGljcy5saXZlam91cm5hbC5jb20vYW5kcmVpX2J0LzE4NDI1NjgyLzExNDU3MzIvMTE0NTczMl9vcmlnaW5hbC5qcGc_X19pZD0xMDc1MzU=.jpg


Which is wonderful, i always fascinated on Kh-59MK2. Compact, long ranged and certainly can be carried in numbers. Would make wonderful standoff weapon alternatives for Flankers.
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An interesting video, I wonder what other weapons they will be test firing or dropping (in the case of bombs) from the Su-50 weapons bays and hardpoints? B)
 
Sorry, FJ!

The video is new. The weapon was at MAKS 2015 and was linked to the Su-57 at the time.
 
https://www.express.co.uk/news/world/969994/russia-stealth-fighter-jet-features-su-57-photos-radars-beaming

The expert, speaking on condition of anonymity because of the sensitive nature of the stealth work, highlighted six major problems with the pictures.
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The seams between the flaps on the aircraft are too big. Taking the F-22 stealth jet from the US, the flaps on the end of the wing have very tight seams that don’t scatter radar waves and therefore maintain a low profile.

Secondly, the Su-57’s vertical rear tails have a wide gap where they stray from the fuselage and according to the scientist, it is essential that a stealth keeps a tight profile.

Looking at the F35’s rear tails, for example, and they touch the whole way.

The nose of the Su-57 is also problematic as it has noticeable seams around the canopy, which eliminates stealth, while the F-35 and F-22 feature a smooth, sloped appearance.
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That entire story appears to have been created via Google Translate. And the original Business Insider story is by the same guy whose "scientist" source was dumping on the J-20 a couple of weeks ago.
 
bobbymike said:
https://www.express.co.uk/news/world/969994/russia-stealth-fighter-jet-features-su-57-photos-radars-beaming
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Can you refrain from reposting BS from tabloids? Thank you.
 
I can see some features like rivets/screws on the fuselage that would affect stealth, and is there yet any pictures of an installed radar blocker for the inlets yet?
 

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