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    MiG-41 New Interceptor:

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    GarryB

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    Re: MiG-41 New Interceptor:

    Post  GarryB on Sat Feb 11, 2017 11:40 pm

    There is little chance we'll see a newly designed mig-31 successor enter service in the next 15 years. So all this is fun talk but it's sort of meaningless right now.


    Actually the potential for hypersonic threats means a successor for the MiG-31 is actually very likely in the next 15 years.

    There is potential to improve the MiG-31 in terms of radar and engines and replacement of materials to make it lighter and cheaper to operate... it is mostly made of steel which is rather heavy, though necessary to deal with the temperatures this aircraft has to deal with.

    The current work on supersonic combustion ramjets for missiles like Zircon which will reportedly enter service by 2020 suggests that experience with Scramjet technology has progressed to the point where new jet engines can be designed to allow higher speed to be achieved for the MiG... which was largely speed limited due to the engines it uses currently.

    New heat resistant materials and new engines able to operate at higher flight speeds opens the door to much higher performance.


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    Pierre Sprey

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    Re: MiG-41 New Interceptor:

    Post  Pierre Sprey on Sun Feb 12, 2017 7:16 am

    GarryB wrote:
    There is little chance we'll see a newly designed mig-31 successor enter service in the next 15 years. So all this is fun talk but it's sort of meaningless right now.


    Actually the potential for hypersonic threats means a successor for the MiG-31 is actually very likely in the next 15 years.

    There is potential to improve the MiG-31 in terms of radar and engines and replacement of materials to make it lighter and cheaper to operate... it is mostly made of steel which is rather heavy, though necessary to deal with the temperatures this aircraft has to deal with.

    The current work on supersonic combustion ramjets for missiles like Zircon which will reportedly enter service by 2020 suggests that experience with Scramjet technology has progressed to the point where new jet engines can be designed to allow higher speed to be achieved for the MiG... which was largely speed limited due to the engines it uses currently.

    New heat resistant materials and new engines able to operate at higher flight speeds opens the door to much higher performance.

    higher speed and performance ? Its the fastest jet in service, in the world right now.

    respekt
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    eehnie

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    Re: MiG-41 New Interceptor:

    Post  eehnie on Fri Feb 17, 2017 6:20 pm

    Pierre Sprey wrote:
    GarryB wrote:
    There is little chance we'll see a newly designed mig-31 successor enter service in the next 15 years. So all this is fun talk but it's sort of meaningless right now.


    Actually the potential for hypersonic threats means a successor for the MiG-31 is actually very likely in the next 15 years.

    There is potential to improve the MiG-31 in terms of radar and engines and replacement of materials to make it lighter and cheaper to operate... it is mostly made of steel which is rather heavy, though necessary to deal with the temperatures this aircraft has to deal with.

    The current work on supersonic combustion ramjets for missiles like Zircon which will reportedly enter service by 2020 suggests that experience with Scramjet technology has progressed to the point where new jet engines can be designed to allow higher speed to be achieved for the MiG... which was largely speed limited due to the engines it uses currently.

    New heat resistant materials and new engines able to operate at higher flight speeds opens the door to much higher performance.

    higher speed and performance ? Its the fastest jet in service, in the world right now.

    respekt    

    The problem is that the MiG-31 is out of production since 1994.

    If the development  of the MiG-41 (with the logical improvements after 50 years) is delayed after 2025, I would not be surprised if the Mig-31 also returns to production.

    In my view the interceptor as military concept remains modern, and to see it more evidently only is necessary the application by 2025 in the future MiG-41 of the logical updates in the key features of the military concept of interceptor and in the technologies involved.
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    Re: MiG-41 New Interceptor:

    Post  eehnie on Wed Mar 15, 2017 10:09 pm

    Rmf wrote:http://tass.ru/opinions/interviews/3957569
    Потенциал же самого перехватчика далеко не исчерпан — до сих пор по ряду параметров он не превзойден. Если говорить о перспективах перехватчиков, то у головной компании "МиГ" и у нас есть предложения по созданию нового изделия, но решение о начале работ по этой теме пока не принято.
    interview with yurij beli.
    mig proposed new project but authorisation for starting work on that plane was not given.

    As said in a previous comment, the MiG-41 has not been denied according to the article. It says that is still pending. We must not forget the news about the PAK-DP project that would be the MiG-41 and the timeline for the project.

    GunshipDemocracy wrote:Dear Lads, looks like famous MiG-41 is PAK DP. I did not know what thread shall I report this news - pls advise.

    http://ria.ru/defense_safety/20150812/1179112588.html

    MOSCOW, Aug 12 — RIA Novosti, Yekaterina Spirovska, Alexander Nevar. Work on defining the shape of the radio-electronic complex of a promising aviation complex distant intercept (PAK DP), which will replace the MiG-31 began in "NIIP Tikhomirov", reported to journalists the General Director of the enterprise Yury Belyi.

    Last year the Russian air force commander Colonel-General Viktor Bondarev said that Russia in 2017 will begin research work on the development of PAK DP. Readiness to participate in the development of the aircraft in February this year, said the RAC "MiG".
    "Development system "Zaslon" of the fighter-interceptor MiG-31 has been a milestone for our Institute and became his "calling card". So, of course, we couldn't stay out of participation in the creation of new radio-electronic complex for PAK DP. Started research work on determination of appearance-based systems not only modernized "Zaslon", but for all of the latest developments, including "bars", "IRBIS", radio-electronic system for the PAK FA and others," said Belyi.

    He noted that for the new interceptor should be developed on a modern basis and all other systems.

    "If NIIP will be chosen by the developer of electronic industry, we will need to ensure communication with all onboard systems. We are also ready, have the necessary experience," added the CEO of the developer.

    NIIP is a developer of systems management service (OMS) fighter aircraft, as well as the developer of anti-aircraft missile systems of medium-range air defense Ground forces, whose task is to protect against air attack. Currently the shareholders of "NIIP Tikhomirov" are "Concern PVO "Almaz-Antey" (56%) and "Concern radio-Electronic Technology" (44%), part of state Corporation Rostech.

    GunshipDemocracy wrote:Well well next PAK DP news as of today...

    http://ria.ru/defense_safety/20150812/1179366786.html

    Commander videoconferencing: Interceptor future will not create before 2019


    MOSCOW, August 12 - RIA Novosti. Development work on the development of perspective aviation complex long-range interception (PAK DP), which in the future will replace the MiG-31, will begin no earlier than 2019, told journalists on Wednesday VKS Commander Colonel-General Viktor Bondarev.

    "Start of development work on the creation PAK DP planned no earlier than 2019. At the moment, the Russian Defense Ministry has successfully carried out the modernization of existing facilities interception - the MiG-31," - said Bondarev.

    He noted that the timing of the ROC to build PAK DP does not affect the status of the park interceptors videoconferencing.

    Last year, Bondarev reported that Russia in 2017 will begin research work on PAK DP. And earlier on Wednesday CEO NIIP VV Tikhomirov Yury White announced that the company has already begun work on the definition of the complex shape of electronic interceptor future.



    It would be interesting if Russia can do it a little faster and have the first unit in 2025.

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    Re: MiG-41 New Interceptor:

    Post  Austin on Sat Mar 18, 2017 6:25 am

    UAC DEVELOPS INTERCEPTOR TO REPLACE THE MIG-31

    https://www.aviaport.ru/digest/2017/03/17/427901.html


    Work on the creation of high-rise of a new generation of interceptors, which in the long term will replace the MiG-31, continues and not only in the RAC "MiG" said RNS General Designer - Vice-President for Innovation PJSC "United Aircraft Corporation" (UAC) Sergey Korotkov .

    "Designers are working on this topic", - Korotkov said, when asked about the prospects for the creation of new high-altitude interceptor.

    According to him, "the defense ministry said that such a plane is needed."

    Korotkov noted that in this study involved not only the Corporation "MiG", which once produced the first Soviet aircraft 4th generation - the MiG-31, but also other KLA designers. "Every design office does not stop in its development, especially in those areas where it has the highest competence," - said general designer.

    He did not talk about the future characteristics of the high-altitude fighters and their weapons, referring to the closeness of the topic.

    Earlier it was reported that a high-altitude fighter-interceptor MiG-41 can be created in Russia, which will replace the MiG-31.

    Svetlana Savitskaya told reporters that the program restoring the park tall interceptor MiG-31 in the composition of air and space forces will allow to leave them in battle formation at least 15 years. "These machines are at least 15 years will ensure our security of these machines without the North and the Far East are not protected by the safety One missile can not be solved.." - Savitskaya said.

    MiG-31 - Soviet and Russian double supersonic interceptor long range. The aircraft was developed in the 1970s, it is the first Soviet fighter of the fourth generation. MiG-31 operated since 1981, only 519 units produced.
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    kvs

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    Re: MiG-41 New Interceptor:

    Post  kvs on Sat Mar 18, 2017 1:01 pm

    Austin wrote:UAC DEVELOPS INTERCEPTOR TO REPLACE THE MIG-31

    https://www.aviaport.ru/digest/2017/03/17/427901.html


    Work on the creation of high-rise of a new generation of interceptors, which in the long term will replace the MiG-31, continues and not only in the RAC "MiG" said RNS General Designer - Vice-President for Innovation PJSC "United Aircraft Corporation" (UAC) Sergey Korotkov .

    "Designers are working on this topic", - Korotkov said, when asked about the prospects for the creation of new high-altitude interceptor.

    According to him, "the defense ministry said that such a plane is needed."

    Korotkov noted that in this study involved not only the Corporation "MiG", which once produced the first Soviet aircraft 4th generation - the MiG-31, but also other KLA designers. "Every design office does not stop in its development, especially in those areas where it has the highest competence," - said general designer.

    He did not talk about the future characteristics of the high-altitude fighters and their weapons, referring to the closeness of the topic.

    Earlier it was reported that a high-altitude fighter-interceptor MiG-41 can be created in Russia, which will replace the MiG-31.

    Svetlana Savitskaya told reporters that the program restoring the park tall interceptor MiG-31 in the composition of air and space forces will allow to leave them in battle formation at least 15 years. "These machines are at least 15 years will ensure our security of these machines without the North and the Far East are not protected by the safety One missile can not be solved.." - Savitskaya said.

    MiG-31 - Soviet and Russian double supersonic interceptor long range. The aircraft was developed in the 1970s, it is the first Soviet fighter of the fourth generation. MiG-31 operated since 1981, only 519 units produced.

    So they have 15 years to replace them. The design and prototype work will have to be finished in about 10 years to allow time for manufacturing.
    But even so there will be a number gap since they won't make 100 units per year. Since design work has probably been going on for a few years,
    the 2027 target is feasible as with the PAK-FA.
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    GarryB

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    Re: MiG-41 New Interceptor:

    Post  GarryB on Sun Mar 19, 2017 11:01 am

    No, I think they are saying in 15 years time the MiG-31 will no longer be good enough for the job at hand so they will leave service in 15 years.

    That translates to about 2032, which pretty much means a replacement needs to be in production by about 2025... by about 2028 they would start gradual withdrawal of MiG-31s with them all gone by about 2030-32.

    It wont take 10 years to develop a new aircraft... they will probably have the airframe ready before 2022 but the engines and sensors might be tricky and take longer.

    they have already perfected pulse jet engines that operate in turbojet and ramjet modes which would be ideal when scramjet technology is perfected in terms of thrust.

    New radars and internal capacity for enormous long range AAMs and it is all good to go... it could even be used for space launches perhaps... they mentioned that option for the new Blackjacks.... a heavy interceptor based on the blackjack and a smaller much faster interceptor in the MiG-41 (PAK DP)


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    Re: MiG-41 New Interceptor:

    Post  kvs on Sun Mar 19, 2017 3:27 pm

    A pulse detonation engine will not come out by 2022 or even 2030. This is bleeding edge engine design. It will take
    a substantial amount of time to actually produce a functional prototype and then to gain experience with how they
    really function and how to refine them. The Mig-41 will have a standard jet engine before it has a pulse detonation
    engine. Maybe in the long run it will have pulse detonation engines but they may require a frame redesign for all we know.
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    GarryB

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    Re: MiG-41 New Interceptor:

    Post  GarryB on Mon Mar 20, 2017 6:38 am

    It would take forever with no funding.

    With the MiG-41 programme there is a clear purpose and need for such an engine, so funding will take it from drawing and working prototype to hardware much faster.

    As an example of the opposite look at the MiG-29M and Mi-28N from the late 1980s that are really only now appearing as actual usable hardware in the form of the MiG-35 and Mi-28NM. Obviously technology has moved on so they are very different aircraft from what they were to begin with but with no funding there was no progress... just mockups for air shows...

    They already have a working prototype of a turbojet/ramjet engine... modifying the design to allow scramjet operation perhaps with pulse detonation technology... or not wont take 13 years.


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    Re: MiG-41 New Interceptor:

    Post  eehnie on Thu Jun 29, 2017 12:16 pm

    I expect the MiG-41 included too in the State Armament Program 2018-2025.

    A video with some interesting images of the aircraft.

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    George1

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    Re: MiG-41 New Interceptor:

    Post  George1 on Sat Jul 15, 2017 1:50 am

    Russia to Build 5th Generation Fighter-Interceptor in Addition to PAK FA, PAK DA

    Russia will soon begin development of its fifth-generation fighter-interceptor, the PAK DP, according to the head of the Russian Aircraft Corporation MiG Ilya Tarasenko.

    Speaking to journalists on Friday, Ilya Tarasenko, director general of the Russian Aircraft Corporation MiG (RSK MiG), said that the development of the PAK DP, Russia's fifth-generation fighter- interceptor, will begin in the immediate future, in line with its scheduled start.

    "We are currently developing the concept of a long-range interceptor aircraft to bring a proposal to our main customer [the Russian Defense Ministry]," Tarasenko said.

    "I hope that in the near future we will start research and development work [pertaining to the new plane]," he added.

    According to Tarasenko, the life cycle of the PAC DP's predecessor, the MiG-31 aircraft, will wrap up in 10 years which is why it should be replaced with a more sophisticated warplane.

    Earlier, Colonel-General Viktor Bondarev, commander-in-chief of the Russian Aerospace Forces, said that research and development work on the PAK DP will begin in 2019 at the earliest.

    The MiG-31 is a long-range supersonic fighter-interceptor, designed for use against both high and low-altitude airborne targets. The plane was first introduced into the Soviet military in 1980, and its mass production continued until 1994.

    MiG Corporation is currently fulfilling a contract to modernize the Russian Aerospace Defense Forces' existing fleet of MiG-31s.

    https://sputniknews.com/military/201707141055552730-russia-fifth-generation-figher-interceptor/


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    eehnie

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    Re: MiG-41 New Interceptor:

    Post  eehnie on Sat Jul 15, 2017 2:11 am

    Another key project going forward, as expected. Like in the case of the Tu-PAK-DA, I would expect the first unit delivered by the end of 2025, under the new State Armament Program 2018-2025. And serial production some years later. It is an ambitious goal, but doable, taking into account the obvious priorities of the Russian Armed Forces today, more interested in to reach the hability of producing modern warfare of all the types by 2025, and the finalisation of an entire generation of new warfare, than in to a bounce in the procurement.

    In recent years the oldest Russian warfare proved to be still effective in todays conflicts, and it makes valid the Russian reserves of material, which means lower hurry in inmediate procurement, after to reach the first unit of every type of new warfare, which is of technical interest.

    Also Russia is doing well the separation between key projects to develop in order to be closer to the state of the art for every role, and other distractions.


    Last edited by eehnie on Sat Jul 15, 2017 6:04 am; edited 1 time in total
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    miketheterrible

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    Re: MiG-41 New Interceptor:

    Post  miketheterrible on Sat Jul 15, 2017 5:38 am

    Many people cannot see it but these programs are actually quite cheap even if they look expensive in short term.

    Reason why I say this is because:

    1) Costs eventually drop as more are produced.

    2) commonality among parts, making it cheap and easy to maintain.

    3) Using more composite materials drops overall prices.

    4) New platforms meaning more opportunities to grow in their development. As well, with newer technology, they can make them weigh less while packing more.

    5) Older planes, even if newly built, will have a hard time keeping up against newer threats. Add to that, they would be replacing multiple type of older aircrafts, reducing costs in maintenance.

    There are obvious other points. But PAK DA is to replace Tu-95/98/160. That is three different platforms that would be replaced. Next interceptor will replace MiG-31's. PAK FA will obviously replace both various Sukhois like Su-27,30,35. Next Mikoyan will end up replacing MiG-29's and 35's.

    Doing so, they can have larger airforce while not spending nearly as much in long run.
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    Re: MiG-41 New Interceptor:

    Post  GarryB on Sat Jul 15, 2017 7:35 am

    Interesting points, though the correction that the PAK DA will actually be replacing the Tu-95 in the strategic role and the Tu-22M3 in the theatre role and will likely operate together with the Tu-160M2 for some time as they compliment each other rather well as both being capable yet offering different performance features... ironically the PAK DA will be the expensive to buy but cheap to operate subsonic bomber, while the Blackjack will be the unique supersonic capable bomber that is more expensive to operate but offering features a subsonic bomber cannot offer.

    In the same sense I suspect the PAK FA will continue to operate with Su-35 and MiG-35 and upgraded aircraft for quite some time as they offer different levels of performance for different price brackets.

    They wont need PAK FAs on all their borders... sometimes MiG-35s will be better... their shorter range meaning more bases but shorter interception times.

    A mix of stealth and non stealth aircraft creates the opportunity to carry more missiles and set up ambush type operations against some opponents while still having the advantages of AESA radars and long range missiles in an IADS.

    Back to topic new technologies making a plane go Mach 4-5 means potential for very high speed aircraft for very long range flights cruising at very high speed and eventually from runway to orbit and back...


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    Re: MiG-41 New Interceptor:

    Post  George1 on Tue Aug 22, 2017 3:51 pm

    Russia's advanced interceptor may become unmanned in future

    KUBINKA, August 22. /TASS/. The Russian advanced interceptor PAK DP may become unmanned in the future, CEO of the MiG aircraft corporation Ilya Tarasenko said at the Army-2017 military technical forum in the Patriot park, Moscow Region.

    "It will be a brand new plane that will use brand new technologies for operation in the arctic conditions. This plane will defend the borders of our Motherland. Then an unmanned version will be transformed into a project," he said.

    Tarasenko noted that the MiG corporation manufactures medium and heavy unmanned aerial vehicles.

    Earlier, Commander-in-Chief of the Russian Aerospace Forces Viktor Bondarev reported that research and development work to create the new interceptor that will replace the existing MiG-31 will start not earlier than in 2019.


    More:
    http://tass.com/defense/961386


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    Re: MiG-41 New Interceptor:

    Post  Austin on Tue Aug 22, 2017 5:25 pm

    PAC DP in the future may become unmanned

    Подробнее на ТАСС:
    http://tass.ru/armiya-i-opk/4498414

    KUBINKA / Moscow Region /, August 22. / TASS /. The Russian perspective interceptor PAK DP in the future may become unmanned. This was announced on Tuesday by the General Director of the RAC "MiG" Ilya Tarasenko at the International Military Technical Forum "Army-2017" in the Moscow Patriot Park.

    "This will be a completely new aircraft, where completely new technologies for working in the Arctic sphere will be applied, this aircraft will guard the entire border of our homeland, then it will be transferred to the unmanned project," he said.

    Tarasenko noted that RAC "MiG" creates medium and heavy drones.


    The general director of the company also said that the deliveries of the interceptor PAK DP to the Armed Forces of the Russian Federation are scheduled to begin in the mid-2020s. "Under the condition of the appearance of an order from the Defense Ministry, we already, as I said earlier, will begin a full-fledged development and supply in the mid-2020s of this aircraft," he said.

    Tarasenko added that the PAK DP project is a development of the interceptor MiG-31.

    Earlier, the commander-in-chief of the Air and Space Forces of Russia, Victor Bondarev, reported that the experimental design work to create a new interceptor to replace the existing MiG-31 will not begin until 2019.


    Подробнее на ТАСС:
    http://tass.ru/armiya-i-opk/4498414
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    Re: MiG-41 New Interceptor:

    Post  GunshipDemocracy on Sat Aug 26, 2017 5:51 am

    Orbital fighter: what will be the replacement interceptor MiG-31

    MOSCOW, August 22 - RIA Novosti. A promising long-range intercept aircraft complex (PAK DP) MiG-41, being developed to replace the high-altitude MiG-31 interceptor, will be able to carry out missions in space, the General Director of the Russian Aircraft Corporation MiG Ilya Tarasenko said on the Zvezda television on Tuesday. .

    "We are already doing this, for us this is the natural development of the MiG-31, which will be a completely new technological aircraft, new technologies, invisibility, work in space, new speeds, a new radius," Tarasenko said.
    He noted that all the available developments are being implemented in the PAC DP project.
    Earlier on Tuesday, during the work of the International Military Technical Forum "Army-2017" in the suburban Kubinka, Tarasenko said that the PAK DP is a natural development of Russian MiG-31 aircraft; Its supplies of the Russian Defense Ministry may begin in the mid-2020s.
    According to him, the MiG-41 will be a "completely new aircraft," and not a deep upgrade of the MiG-31, which it will replace.
    He also said that the Russian long-range interceptor PAK DP will use completely new technologies to work in the Arctic. "Then it will be transferred to the unmanned project," said the general director of the RAC "MiG".
    РИА Новости https://ria.ru/arms/20170822/1500876303.html




    So MiG-41 goes orbital and among other kills US satellites respekt  Razz



    The main qualities for a high-altitude interceptor are speed and range of action, and not maneuverability, said the Honored Test Pilot of the USSR, Hero of Russia Anatoly Kvochur. According to him, promising "high-altitude" can be used for peaceful purposes, such as, for example, combating space debris in low orbits.

    РИА Новости https://ria.ru/defense_safety/20170825/1501120951.html




    And here CNN "Breaking News": Putin tests new MiG-41 to meddle into US elections"

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    Re: MiG-41 New Interceptor:

    Post  eehnie on Sat Aug 26, 2017 10:04 am


    Very interesting approach in the last articles. I see the project very well oriented at this point.

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    Re: MiG-41 New Interceptor:

    Post  T-47 on Sat Aug 26, 2017 10:22 am

    GunshipDemocracy wrote:And here CNN "Breaking News": Putin tests new MiG-41 to meddle into US elections"


    NO thats Darth Vann, flying on his mesosphere hypersonic bomber Laughing
    CNN fake news made it as MiG-41 xD
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    Re: MiG-41 New Interceptor:

    Post  GunshipDemocracy on Sat Aug 26, 2017 11:35 am

    T-47 wrote:

    NO thats Darth Vann, flying on his mesosphere hypersonic bomber Laughing
    CNN fake news made it as MiG-41 xD

    Laughing Laughing Laughing

    BTW look at its capabilities flying high (30+ km) means not only better access to satellites but also to hypersonic Prompt Global Strike missiles (to be flying something like 50-70 km altitude). And less air friction so higher speeds.

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    Re: MiG-41 New Interceptor:

    Post  T-47 on Sat Aug 26, 2017 5:17 pm

    GunshipDemocracy wrote:
    BTW look at its capabilities flying high (30+ km)  means not only better access to satellites but also to hypersonic Prompt Global Strike missiles (to be flying something like 50-70 km altitude).  And less air friction so higher speeds.

    Lets see how much of it comes to into reality. Speed indicates it'll definitely use scramjet. So far only Tsirkon missile is slated to use a scramjet. They need to make one for an aircraft first. I think this engine will be the main headache. Designing a mach 4+ airframe with its equipment can be done rather easily.
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    Re: MiG-41 New Interceptor:

    Post  GunshipDemocracy on Sun Aug 27, 2017 11:38 am

    T-47 wrote:
    GunshipDemocracy wrote:
    BTW look at its capabilities flying high (30+ km)  means not only better access to satellites but also to hypersonic Prompt Global Strike missiles (to be flying something like 50-70 km altitude).  And less air friction so higher speeds.

    Lets see how much of it comes to into reality. Speed indicates it'll definitely use scramjet. So far only Tsirkon missile is slated to use a scramjet. They need to make one for an aircraft first. I think this engine will be the main headache. Designing a mach 4+ airframe with its equipment can be done rather easily.

    Hmm not so sure about how easy is with airframe. According to this if I understand it correctly , on 25km with 5Ma you still have like temp of 1,300 Celsius to cope with.

    http://paralay.com/301.html
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    PapaDragon

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    Re: MiG-41 New Interceptor:

    Post  PapaDragon on Sun Aug 27, 2017 2:13 pm


    So what would be the odds of new interceptor using jet/ramjet combo similar to SR-71?

    Simple enough solution in this day and age. Quick one too. Aircraft needs to be big by default (large ordinance) so it could be an option.
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    GarryB

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    Re: MiG-41 New Interceptor:

    Post  GarryB on Mon Aug 28, 2017 11:55 am

    The jet layout and use on the SR-71 was very clever, but the engine was a subsonic engine...

    In other words the engines were turbojets with bypass air ducts where fuel could be injected directly into the bypass air effectively making them ramjets, but the top speed is still seriously limited to about Mach 3.5 or so because the air going into the engines had to be slowed to subsonic speed before the fuel could burn and generate thrust.

    A supersonic combustion ramjet means the air going in does not need to be slowed down at all... fuel is added and burned and accelerates out the back at even higher speed to produce thrust... the higher the speed of air flow the more the thrust meaning a scramjet would be much more powerful than a ramjet at such high flight speeds.

    In comparison the jet engine in the MiG-25 and MiG-31 had turbine blades spinning at full speed at top speed making it the fastest operating turbojet engine... in comparison the jet engines in the SR-71 are just idling at top speed and generating almost no thrust.

    Having jet engines with a scramjet mode would greatly increase potential flight speed... it would make speeds beyond mach 5 possible where previous speeds were only possible with rocket propulsion.


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    PapaDragon

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    Re: MiG-41 New Interceptor:

    Post  PapaDragon on Mon Aug 28, 2017 1:03 pm


    Correct. I just checked and SR-71 top speed is 3,540 km/h while MiG-31 is 3,000 km/h. Not that big of a difference actually.

    I always thought that SR-71 is much faster...

    Looks like that if VKS does go for new interceptor it will really be out of this world.


    EDIT: Speaking of those two, I just stumbled on this from 2013:

    How the Mig-31 repelled the SR-71 Blackbird from Soviet skies

    https://theaviationist.com/2013/12/11/sr-71-vs-mig-31/

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    Re: MiG-41 New Interceptor:

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