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Soviet MFI/I-90 designs

overscan (PaulMM)

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Well, we all know the 1.44 demonstrator. But how did Mikoyan arrive at this configuration? What was the design evolution? What might the production 1.42 look like?

What about the Sukhoi and Yakovlev designs?

First- from Yefim Gordon's Nowe Su i MiG published in Polish by PKL, a TsAGI originated diagram showing a notional "conventional fighter" and two new designs, which appear somewhat like Mikoyan and Sukhoi's MFI designs.
 

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overscan (PaulMM)

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Matej

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Alex (paralay) has got a good answer:

PS: Look at the trailing edge technical solution ;)
 

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Matej

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Yakovlev design is described in Jefim Gordon´s Sukhoi S-37 and Mikojan MFI book at pages 9 and 10 (I have it in my language mutation, so this can differ). Refused because its one engine configuration.
 

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overscan (PaulMM)

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More SLM-32 pics, these from Paralay, and final one from Piotr Butowski.
 

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overscan (PaulMM)

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More pics of Yak MFI.

I'm not convinced your drawing is accurate in this case, Matej.

Source:
  • Yefim Gordon, Sukhoi S-37 and Mikoyan MFI, Red Star Volume 1, Midland Publishing 2001
 

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overscan (PaulMM)

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Nice inlet view.

Source:
  • Yefim Gordon, Nowe Su i MiG, PKL, 2001
 

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Matej

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overscan said:
I'm not convinced your drawing is accurate in this case, Matej.

The best what I can do without any proven dimensions and only with photos from different angles. The same like with my MiG izdelije 33 drawing.
 

overscan (PaulMM)

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I'm not criticising, it just doesn't quite "feel" correct compared to the photos.
 

flateric

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Matej said:
Alex (paralay) has got a good answer:

PS: Look at the trailing edge technical solution ;)

That's in fact illustrations from TI TzaGI reprinted from AIAA paper No.74-970
AN ANALYSIS OF THE EFFECTS OF INTERNALLY BLOWN
JET FLAPS ON AN ADVANCED FIGHTER AIRCRAFT DESIGN
J. L. PARKER and L T . R . F. BALL
Air Force Flight Dynamics Laboratory
Wright-Patterson Air Force Base, Ohio

Regarding 'interesting techincal solution' - he mean, in fact, bunch of dozen aerodynamic control surfaces, but I'm not sure - may be, 1.42 would have all that novel jet flaps.
 

flateric

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C.37 aeroelastic test model and assembly pics
 

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Matej

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overscan said:
I'm not criticising, it just doesn't quite "feel" correct compared to the photos.

Do not hesitate to do that. Any constructive criticising is welcome. Where do you see differencies? Maybe i can redraw it.

Regarding to production version of MiG MFI (1.42), it is known that it should have double delta wing, refueling probe, wedged air intakes, rounded dielectric radome, some communication antenas, FLIR and a bit redesigned bomb bay. But the question is, if it is enough. These expectations are based only on two test flights. Maybe if the test program goes well, there should be a lot of another improvements.
 

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overscan (PaulMM)

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These pictures (from Paralay's site) appear to show the TsAGI test model which was seen by visiting French engineers and others in the early 90s and which generated the first speculative 3 views of S-32.
 

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flateric

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Matej said:
Maybe if the test program goes well, there should be a lot of another improvements.

Over here modelers are awaiting 1.44 to be loaned to Monino nearest time to count all rivets.
Test program went nowhere. Last thing I remember Saturn returned AL-41F from MiG as MiG could not pay for them.
 

overscan (PaulMM)

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Or another example. Before the design/projection with all of known today aircraft with the sweepforward Of s-37 golden eagle "(in the working drawings it was named Su-27KM, which by itself about the much tells), was executed project with the complete (!) set of the working documentation of experimental single-engine aircraft with the wing with the sweepforward S-22. I on one of the solemn conferences (apropos some of anniversary) chief designer Mikhail Petrovich Simonov, enumerating achievements OKB during the accounting period, said exactly the following: "it's completely finished design with the release of the trash bin working documentation* of the supersonic aircraft, equipped with the forward swept wing. These works made it possible to collect experience and they make it possible for us to go further "


*trash bin working documentation - kinda of brain training exericise with zero metal cut in result, for designers to not stop their minds working
 

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Matej said:
Just imagine the engine that they were going to use. Sojuz R-179-300 with 200,1 kN of thrust!! More thant JSF powerplant.

That really isn't saying anything regarding engine performance. There are alot of engines more powerful than other engines. The real metrics are the thrust to weight ratio of the engines, the thrust levels they can operate at for a given amount of time, and their life cycles and efficiency. The Russians build good engines, but they still don't have anywhere near the life cycles of the U.S. engines. I'm sure they're getting better, though, as that is one of the major drawbacks to Russian combat aircraft on the market, even considering their much lower prices.

I'm just looking forward to seeing what the T-50 will <i>actually</i> look like and what MiG's MiG-29 replacement is going to look like, since they are once again going with a high/low mix, in terms of size; i.e. the T-50 is replacing the Flanker (fighter variant) and the new MiG will replace the Fulcrum. I have to wonder if they will look at making a medium bomber out of the T-50 or if that is something that won't happen for another twenty years since the Su-34's are just now going into limited production.
 

flateric

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Famous shot, but here it goes in much better quality than before.
 

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overscan (PaulMM)

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1.44 air drop model for aerodynamic testing.
 

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flateric

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with high level of probability, 1.44 instrument panel screenshot
 

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flateric

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I thought that at least we had enough money for more than one 15-inch LCD display on 5th generation fighter, Sasha...
 

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To me it the person told seeing breadboard model of a cabin - one big LCD display.
 

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Paralay beat me to it - I was also going to point out that this purpoted 1.44 panel looks a lot like the Su-27SM cockpit...
 

overscan (PaulMM)

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It we are talking about 1.44, that makes a lot of sense. You wouldn't expect a full glass cockpit in that demonstrator at that point in time.
 

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Awesome pictures Flateric. Does anyone know the faith of MiG-1.44? Where is it now?
 

flateric

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Trident said:
Paralay beat me to it - I was also going to point out that this purpoted 1.44 panel looks a lot like the Su-27SM cockpit...

Well, hapiness was so possible...anyway, it was shown in middle of 1.44 maiden flight video footage. Hope one day we will see the real one.
 

flateric

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This MiG LIIDB hangar in Zhukovsky was the place where 1.44 was in storage from 1994 to at least end of 2000. With a high level of probability, it's still there.

in winter of 1999, 1.44 was rolled out of hangar for a several hours for video footage, made by Wings of Russia stidio and photographers - you can see fingerprint building and trees behind the aircraft, with giant hangar at the portside. Not clear, if this event was prior, during or after official 1.44 presentation.
 

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flateric

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To note is a cavity at the bottom of fuselage for *conformal* carriage of missiles pallete, details of MLG well, and rarely seen aircraft HUD.

Also goes Yuri Vorotnikov, 1.44 chief designer
 

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flateric

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we have shoot some today as well...
 

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flateric

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sic transit gloria mundi...

please do not re-post at outer internet



maden with a kind help from Miroslav Gyrosi
 

flateric

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to my knowledge, the only MFI ad that was ever published (Military Parade, #5/1999)

caption says "MFI - This Is A Step Into XXIth Century"
 

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