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    MiG-31BM Interceptor: News

    Rodion_Romanovic
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    Post  Rodion_Romanovic on Tue Feb 11, 2020 10:47 am

    GarryB wrote:
    miketheterrible wrote:How many MiG-31's does Russia have in reserve overall? How many do you think they could modernize and bring back into service?

    I would say it probably depends on the engines... have they put the engine back in to production or are they working on new engine upgrades for the aircraft... something they could further update...

    miketheterrible wrote:It wouldn't be out of realm for them to restart production
    Modernized parts may make it far more efficient too.

    MiG-31 was a very good jet. Still a very good jet.

    As it was posted in the united engine corporation thread last summer, Russia is restarting production of the engine core of the D30F6 (Mig31 engine).

    They do not need to produce the full engine and they have a lot of engines sitting somewhere and until now not useable because of lack of spare parts doe the hot core.


    As I already commented on the other thread:

    I understand the importance of producing newly built cores for the mig-31 engines, extremely important if they want to keep them operating as long as possible. (I believe they also have more than 100 mig-31 in reserve, that could be modernised and put back in service).

    It remains, however, a 40 years old engine. For sure they will have something quite different for the Mig-41.

    In addition, probably they do not need entire new engines, since normally the hot core is the one that have the shorter life. Since they are not building new mig-31, they just need to replace the parts that are at the end of their lifecycle.



    https://www.ainonline.com/aviation-news/engines

    Russia Relaunches Production of Engine Cores for the MiG-31

    by Vladimir Karnozov

    August 13, 2019, 8:19 AM



    Russia’s United Engine Corporation (local acronym ODK) is halfway through an effort to relaunch the series production of the core engine (gas-generator) for the D30F6 reheated turbofan that powers the MiG-31 interceptor. The work is being carried out by the Perm Motor Plant (PMZ).

    This company manufactured about 1,600 such engines in the 1979-1992 timeframe, each developing a maximum thrust of 152 kN (34,170 pounds). Due to the high utilization of the MiG-31 fleet over the past decade, the stock of spare engines is running out, and operators and industry need to replenish it by overhauling some engines through the replacement of worn-out parts in the hot section.
    A member of ODK’s Perm Motors division that unites several enterprises located in the city of Perm, PMZ has recently resumed the manufacture of the high-pressure turbine (HPT) and combustion chamber. This effort took three years, according to ODK-Perm Motors CEO Sergei Popov. Together with some other parts, these items are now included in a typical repair kit for the Aircraft Repair Plant no. 218 at Gatchina (ARZ218) that specializes in D30F6 heavy maintenance.
    The next three years will be devoted to relaunching production of the high-pressure compressor (HPC). With that accomplished, PMZ will be in a position to assemble a completely new gas-generator for the D30F6 by late 2021. Popov said that, as of today, there are no plans for the manufacture of a complete engine. Instead, starting in early 2022, his enterprise would supply “extended repair kits” to ARZ218.
    Out of the production run of some 520 MiG-31s, half remain operational in Russia and Kazakhstan. The Russian Air and Space Force (VKS) wants to keep the type in service until 2035. Since 2012, about 60 aircraft have undergone modernization into the MiG-31BM/BSM version. Earlier this year, the Russian defense ministry awarded United Aircraft Corporation (UAC) a new order. While exact numbers remain secret, UAC president Yuri Slyusar said that all surviving MiG-31s will undergo modernization by 2023.

    In the meantime, local media and experts have speculated on the possibility of restarting D30F6 production to power the MiG-41/PAK DP, a next-generation high-speed interceptor that is under development to replace the MiG-31. Additionally, the Aviadvigatel design house that developed the engine intends to employ its gas-generator in a new 32-MW industrial turbine for Gazprom and other fossil fuel companies. Should this product sell well, it would help the industry invest in the production restoration effort—not just of the core, but of the entire engine.
    AMCXXL
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    Post  AMCXXL on Tue Feb 11, 2020 6:09 pm

    Another BM for Yelizovo

    https://function.mil.ru/news_page/country/more.htm?id=12274750@egNews
    02/08/2020
    Pacific Fleet naval aviation replenished with another MiG-31BM fighter
    After repair and modernization, another MiG-31BM high-altitude fighter-interceptor returned to Kamchatka, which is part of the Air Regiment of the Troops and Forces in Northeast Russia.
    During the repair and modernization, the high-altitude fighter received the latest avionics and electronic systems, as well as improved tactical characteristics, which significantly increases its combat capabilities.

    https://twitter.com/qretaxyeta/status/1227144480240939008
    MiG-31BM Interceptor: News - Page 28 Mig-3111
    AMCXXL
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    Post  AMCXXL on Tue Feb 11, 2020 7:10 pm

    miketheterrible wrote:@AMCXXL

    How many MiG-31's does Russia have in reserve overall?  How many do you think they could modernize and bring back into service?

    Lípetsk: 29 MiG-31, the most, about two dozen are stored MiG-31DZ from Perm and Khotilovo
    probably not more of half a dozen of MiG-31BS available for BM modernizarion
    https://www.google.es/maps/@52.6329531,39.4674635,451m/data=!3m1!1e3

    Yelizovo: in that image of last year there are 31 machines, 2 are modernized and 29 MiG-31 not modernized.
    Of the, about 10-12 are DZ, available for MiG-31K upgrade
    https://www.google.es/maps/@53.1773197,158.4392137,445m/data=!3m1!1e3

    Tsentralnaya Uglovaya: there are 36 machines here, of then 24 are BM and 12 are MiG-31 not moderimzed, about the half are DZ
    https://www.google.es/maps/@43.3541324,132.0669408,270m/data=!3m1!1e3

    Knevichi ARZ: 7 MiG-31 of forst series are stored here, the better airframes already have been taken
    https://www.google.es/maps/@43.3992979,132.2032192,540m/data=!3m1!1e3

    In the 514 ARZ only remain one dozen and a half of old airframes for canibalization and get parts


    Then, there are 77 airframes in reserve (29+29+12+7)
    Of them, about 35-40 are DZ and probably only half dozen of BS remain
    Other 35 are of original series , not available for modernizarion if there are not radars Zaslon-A and spares stored for get the standard BS and then , to modernization


    In the plant of Nizhniy Novhorod should be the airframes for the modernization in this year 2020, at least we know 6 will be send to Kansk.
    This means the Kansk regiment will reach 33 machines, so 9 MiG-31BM type 28 (with refueling probe) are available to send to Yelizovo

    Probably, also several machines from Savasleyka wlil be send to Yelizovo

    Really, with a dozen more of BM, the modernization will be complete (now there are 142 handed over, 4 of then lost)

    The total numbrer of BM produzed for the tropos will be between 155 and 160 (6 regiments of 24=144 + one dozen for training and replace losses)


    After that the 35-40 DZ (3 squadrons) will get the MiG-31K standard , for a total of about 50 MiG-31K


    Last edited by AMCXXL on Tue Feb 11, 2020 7:16 pm; edited 1 time in total
    miketheterrible
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    Post  miketheterrible on Tue Feb 11, 2020 7:14 pm

    I still think the MiG-31K is a waste as it only carries 1 Kinzhal. All Tu-22M3 should be armed with that so MiG-31K can be repurposed.
    AMCXXL
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    Post  AMCXXL on Tue Feb 11, 2020 7:30 pm

    miketheterrible wrote:I still think the MiG-31K is a waste as it only carries 1 Kinzhal. All Tu-22M3 should be armed with that so MiG-31K can be repurposed.

    I think not a waste, you still have an interceptor with also the possibility of a long range strike.

    This is not a complete modernization, only install the missile support.
    There are very few Tu-22M3, only about 60 in total, and this airplanes are not so faster and have not a high ceiling than the MiG-31

    The good of MiG-31 is can fire the missile at near 3000 km/h and more than 20 km of altitude, this means Khinzal can get a higher top speed and range, because the the saving of fuel in the acceleration and climb phase.

    A group of several MiG-31K will be lethal for a US Carrier even at thousend of miles
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    Post  AMCXXL on Tue Feb 11, 2020 7:36 pm

    GarryB wrote:
    How many MiG-31's does Russia have in reserve overall? How many do you think they could modernize and bring back into service?

    I would say it probably depends on the engines... have they put the engine back in to production or are they working on new engine upgrades for the aircraft... something they could further update...

    there are a big stock of engines in the system. more than 900 as were refered in a comisión in the state Duna (parlament) in 2013
    The repair and update of the engines is happening since the begining of modernization
    They can opérate the MiG-31 as many time as is necesary
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    Post  AMCXXL on Tue Feb 11, 2020 7:44 pm

    Rodion_Romanovic wrote:
    miketheterrible wrote:MiG-31K launches Kinzhal, not BM as far as anyone is aware.

    Some major mistakes in that rt article. Not surprising to be honest.
    in this article it is written:

    RT wrote:In addition, a special modification of the MiG-31BM, which received the designation MiG-31K, has become the only combat carrier of the hypersonic aircraft complex X-47M2 "Kinzhal" to date .
    .

    MiG-31BM is the modernization of MiG-31B and MiG-31BS.
    Index "B" refers to the MiG-31 with Zaslon-A radar, so only is BM a MiG-31 with Zaslon-A radar

    MiG-31K is an improvement of MiG-31DZ, capable to carry a Khinzal missile, so MiG-31K IS NOT any type of MiG-31BM

    The person who wrote that stupidity in RT is a great ignorant

    [quote="Rodion_Romanovic"]
    GarryB wrote:
    Out of the production run of some 520 MiG-31s, half remain operational in Russia and Kazakhstan. The Russian Air and Space Force (VKS) wants to keep the type in service until 2035. Since 2012, about 60 aircraft have undergone modernization into the MiG-31BM/BSM version. Earlier this year, the Russian defense ministry awarded United Aircraft Corporation (UAC) a new order. While exact numbers remain secret, UAC president Yuri Slyusar said that all surviving MiG-31s will undergo modernization by 2023.

    other big nonsense

    By 2010, the half of MiG-31 was scrapped. Kazajstán had 24 in operation and 10 in reserve, and Russia had 120 in service and 130 in reserve.
    Now there are 160 in russian service

    The contract of 60 signed in 2011 was the third contract
    The first of 8 was in 2006 and other for at least one dozen before the contract in 2011
    In 2015 other contract for 50 + 4 (for replace losses) was signed
    The total contracted for 2006-2018 has been about 140 machines, and now there are other contract for several more dozens
    magnumcromagnon
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    Post  magnumcromagnon on Tue Feb 11, 2020 9:23 pm

    miketheterrible wrote:It wouldn't be out of realm for them to restart production
    Modernized parts may make it far more efficient too.

    MiG-31 was a very good jet. Still a very good jet.
    If what AMCXXL is saying is true, that the K variant is a modernized DZ variant, that means it's capable of launching the anti-sat missile (which is about the same size as kinzhal), which if need be could be converted into a FOBs glide-bomb with a thermonuclear warhead. The K variant seems to be optimized to launch oversized munitions, which opens the window for many opportunities. There was talk there was going to be a air-launched version of one of the missiles destined for the S-500 complex; just imagine a oversized munition capable of defeating mid-course targets.
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    Post  PapaDragon on Tue Feb 11, 2020 9:32 pm

    magnumcromagnon wrote:...If what AMCXXL is saying is true, that the K variant is a modernized DZ variant, that means it's capable of launching the anti-sat missile (which is about the same size as kinzhal).....

    That ASAT missile is almost twice the size of Kinzhal

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    Post  GarryB on Wed Feb 12, 2020 7:50 am

    MiG-31 was a very good jet. Still a very good jet.

    The most effective interceptor available today or for its entire career... American fanbois claim the F-14 was better, but in terms of systems quality and performance the MiG is better.

    There was one test for the F-14 where it shot down 6 different targets at once, but if you look at the details the mechanical scan of its radar meant although the targets could be at different speeds and distances the total height difference between all 6 targets was about 650 metres... which is so unrealistic as it would be tasked with shooting down Backfire bombers at 12km altitude and its missiles which have either high or low profiles... high being about 22km and low being wavetop, and with later newer missiles up to 40km altitude for the missiles moving at mach 4.5.


    The MiG-31 is faster and has a much better electronically scanned radar that can track targets over a much wider volume of airspace.

    Part of its problem in its early models was the sheer volume of airspace that could be scanned limited its range, but more powerful computer processors increase its performance radically without any changes to the radar... changes to the radar improve performance even further...

    With these new photonic radars... for which the MiG would be the ideal platform the performance might improve exponentially... the new radar elements are supposed to be lighter and more compact so the radar that could be fitted could be bigger and much more powerful...

    It remains, however, a 40 years old engine. For sure they will have something quite different for the Mig-41.

    Of course... the MiG-41 will likely have a combine turbofan(for takeoff and landing)/ramjet(very high speed cruise) engine and modified design to incorporate internal weapon carriage... the latter alone will make it more stealthy but also lower drag and able to maintain higher flight speeds with less engine thrust required to maintain it.

    Some sort of S-500 based AAM could be used to shoot down all sorts of high flying targets including satellites in orbit...

    I still think the MiG-31K is a waste as it only carries 1 Kinzhal. All Tu-22M3 should be armed with that so MiG-31K can be repurposed.

    Not a waste... it effectively makes the missile rather more potent and longer ranged when launched from higher speeds and higher altitudes...

    Sometimes that extra performance could be critical... when it is not or when numbers are more important then a Backfire with four kinzhals can also be used.

    They can opérate the MiG-31 as many time as is necesary

    Good to hear. thumbsup

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    Post  Hole on Wed Feb 12, 2020 9:47 am

    magnumcromagnon wrote:
    miketheterrible wrote:It wouldn't be out of realm for them to restart production
    Modernized parts may make it far more efficient too.

    MiG-31 was a very good jet. Still a very good jet.
    If what AMCXXL is saying is true, that the K variant is a modernized DZ variant, that means it's capable of launching the anti-sat missile (which is about the same size as kinzhal), which if need be could be converted into a FOBs glide-bomb with a thermonuclear warhead. The K variant seems to be optimized to launch oversized munitions, which opens the window for many opportunities. There was talk there was going to be a air-launched version of one of the missiles destined for the S-500 complex; just imagine a oversized munition capable of defeating mid-course targets.

    The MiG-31 (Izdeliye 01DZ) is the version with IFR capability.
    The ASAT carrier was called MiG-31D (Izdeliye 07).
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    Post  Tsavo Lion on Wed Feb 12, 2020 9:07 pm

    MiG-31/41 will become a hypersonic killer
    https://lenta.ru/news/2020/02/12/mig41/
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    Post  GarryB on Thu Feb 13, 2020 3:39 am

    In general for a fighter high speed is a waste of energy and fuel and just makes the plane more expensive and complex.

    For an interceptor speed and altitude are more important than the ability to manouver hard in a dogfight or to be stealthy...
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    Post  mnztr on Thu Feb 13, 2020 11:19 pm

    AMCXXL wrote:Another BM for Yelizovo

    https://function.mil.ru/news_page/country/more.htm?id=12274750@egNews
    02/08/2020
    Pacific Fleet naval aviation replenished with another MiG-31BM fighter
    After repair and \
    modernization, another MiG-31BM high-altitude fighter-interceptor returned to Kamchatka, which is part of the Air Regiment of the Troops and Forces in Northeast Russia.
    During the repair and modernization, the high-altitude fighter received the latest avionics and electronic systems, as well as improved tactical characteristics, which significantly increases its combat capabilities.

    https://twitter.com/qretaxyeta/status/1227144480240939008
    MiG-31BM Interceptor: News - Page 28 Mig-3111

    Still a sexy beast after all those years!!!
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    Post  Hole on Fri Feb 14, 2020 9:31 am

    But it had some plastic surgery. Very Happy
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    Post  mnztr on Fri Feb 14, 2020 2:38 pm

    Tsavo Lion wrote:MiG-31/41 will become a hypersonic killer
    https://lenta.ru/news/2020/02/12/mig41/

    I wonder what the final concept for the 41 will be. I suspect a lifting body design with small stub wings (like the starfighter but with much more rear biased wings) at speed the wings might fold slightly up to have a tailplane effect and increase lateral stability......either the wings or the wing tips
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    Post  Tsavo Lion on Fri Jul 03, 2020 11:32 pm

    1 more squadron to Kamchatka: https://iz.ru/1030814/anton-lavrov-roman-kretcul/est-tolko-mig-31-tikhii-okean-zakroet-eskadrilia-perekhvatchikov

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