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    PAK DP prospective long-range interceptor

    LMFS
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    Post  LMFS Fri May 28, 2021 10:34 am

    miketheterrible wrote:Don't expect journalists to know much.

    It is literally the same article about the light 5G Sukhoi fighter, but in the English version of TASS and with the word "hypersonic" added to it. Because you know, hyper is even more than super or something. Whatever, we already know the project and we even know the engine, enough BS.
    thegopnik
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    Post  thegopnik Sat May 29, 2021 7:41 am

    army expo looks enticing on topics https://www.rusarmyexpo.com/army2020/general_information/profiles/

    PAK DP prospective long-range interceptor - Page 21 Army_e10
    PAK DP prospective long-range interceptor - Page 21 Army_e11


    maks 2021 looks fucking depressing on page 7 https://aviasalon.com/assets/download/2021/Presentation%20MAKS-2021.pdf

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    LMFS
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    Post  LMFS Sat May 29, 2021 2:12 pm

    There are many interesting things and those are just the key exhibits, like the Yak-40 with hybrid propulsion, the Su-30SM2 with the AL-41F-1S engine, PD-8 or PD-35. Looking forward very much to seeing the new Su-30, and apart from that they can have other military planes, like they have normally. No secret military projects at MAKS, this is a trade fair.

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    GarryB
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    Post  GarryB Sun May 30, 2021 9:28 am

    Didn't they say they were presenting an aircraft that was a fundamentally new type never shown before or were they referring to the Yak-40 with the new electric engine?
    LMFS
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    Post  LMFS Sun May 30, 2021 1:28 pm

    GarryB wrote:Didn't they say they were presenting an aircraft that was a fundamentally new type never shown before or were they referring to the Yak-40 with the new electric engine?

    Yes it seems they were referring to the Yak-40
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    Post  PapaDragon Sun May 30, 2021 3:52 pm

    LMFS wrote:
    GarryB wrote:Didn't they say they were presenting an aircraft that was a fundamentally new type never shown before or were they referring to the Yak-40 with the new electric engine?

    Yes it seems they were referring to the Yak-40

    When everyone inevitably call them out on being bragging blowhards they will just pretend they never announced any fundamentally new aircraft Razz

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    Post  GarryB Mon May 31, 2021 3:02 am

    Take a chill pill PD, most of the time it turns out it was the reporter who spruced up the translation rather than any false statement.

    I seem to remember the comment being a new plane rather than just new type of propulsion.

    Also looking through the pdf... in the full scale samples section they have the Sigma-4 all electric light aircraft, a supersonic civilian aircraft called Strizh, upgraded Ansat-M and what I am most interested in is the LMS Baikal... which I assume is the An-2 replacement aircraft... but would it not be rather nice to add a letter to that designation...

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    Finty
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    Post  Finty Wed Jun 30, 2021 9:37 pm

    Two part article re. MiG 41, dunno if shared on here before (mightwell have been)

    https://www.aerotime.aero/27104-MiG-41-what-it-was-and-what-it-wasnt-Part-1

    https://www.aerotime.aero/27121-MiG-41-the-program-the-plane-the-legend-Part-2

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    kvs
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    Post  kvs Wed Jun 30, 2021 9:54 pm

    GarryB wrote:Take a chill pill PD, most of the time it turns out it was the reporter who spruced up the translation rather than any false statement.

    I seem to remember the comment being a new plane rather than just new type of propulsion.

    Also looking through the pdf... in the full scale samples section they have the Sigma-4 all electric light aircraft, a supersonic civilian aircraft called Strizh, upgraded Ansat-M and what I am most interested in is the LMS Baikal... which I assume is the An-2 replacement aircraft... but would it not be rather nice to add a letter to that designation...


    Later discussion on this subject in one of the linked videos indicates that the tech may not be all that simple in this
    electric engine. Borisov said that it was a high temperature superconductor engine. PD, as usual, with his mentally
    retarded spew on this forum is just filling it with his excrement. Which all the normal people have to step around.

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    Post  PapaDragon Wed Jun 30, 2021 11:01 pm

    kvs wrote:  PD, as usual, with his mentally
    retarded spew on this forum is just filling it with his excrement.   Which all the normal people have to step around.

    You are a busy little chihuahua are y'a, thinking so much about me Wink

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    Post  GarryB Fri Jul 02, 2021 9:54 am

    Two part article re. MiG 41, dunno if shared on here before (mightwell have been)

    Interesting but flawed.

    It claims speed is not important for modern fighters, but it ignores the fact that the MiG-31 and MiG-25 are not fighters, they are dedicated interceptors, and for a dedicated interceptor speed is more important than the ability to manouver because they are not intended for dogfighting, but intercepting targets and their flight speed determines how far out they intercept their targets... therefore high speed is actually critical.

    If it wasn't then the MiG-31 would be dead and Su-35s and soon Su-57s would be doing the job.

    For normal fighters very high flight speed is bad... it costs money... it adds weight, it dramatically increases fuel burn, and makes more expensive materials necessary in the construction.

    The F-16 and F-18 were both made cheaper to buy and to operate by limiting their top speed to mach 2 and mach 1.8 respectively because to get to mach two you need to fly level and straight for long periods burning lots of fuel to do so and once you achieve top speed your ability to turn or manouver is limited compared with those same abilities at lower speeds.

    A zoom climb and launch of a missile benefits from an acceleration, but most aircraft rarely accelerate to mach 2 ever.... it takes too much time and burns too much fuel.

    The exceptions are the MiG-25 and MiG-31 which are both expected to take off and accelerate to mach 2.4 and then fly to the launch position at that speed and then launch their weapons and fly back home at a similar high speed so they can land and refuel and rearm and do it again.

    Anatoly Kvochur would know this and that would be why he mentioned a mach 4 speed because that should be attainable in a combined turbojet ramjet powered aircraft... as mentioned in the article the SR-71 used such propulsion already... it is not super state of the art... the main problem has been having an aircraft type that would need such propulsion and requirements for the MiG-31 to loiter for long periods required a turbofan design.

    Talking about the Tempest and NCAD and other designs is meaningless because none of those countries have 6,000km of coastline to defend in the arctic...


    Also for a professional article I would think the writer would take the time to look up the proper spelling of Kvochurs name...

    Otherwise it is a reasonable article, but the basic things it gets wrong is that Kvochur is a professional pilot and is not a media whore like a lot of experts that the media quote in such situations, so dismissing the idea of the new aircraft being faster than the current aircraft is not so clear cut... indeed if speed is not so critical then a modified version of the Tu-22M would be ideal... mach 2 speed... space for an enormous radar, already in service, huge (24 ton) weapon load capacity, and excellent flight range with an engine that is being upgraded with the Blackjacks so money spent upgrading the engine is going to be spend anyway.

    The fact is that they want the replacement for the MiG-31 to be fast.

    Also this reporter seems well informed as to who said what but does not seem to know about the new replacement for the R-37M in development and near operational deployment... the izd 810 developed as part of the missile suite for the Su-57 and other future fighters.

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    Post  lancelot Fri Jul 02, 2021 3:21 pm

    The faster the aircraft goes when it launches the missile the faster the missile will fly.
    Faster missiles increase the hit probability by decreasing the escape window of the target aircraft.

    Look at the Iraq war as an example. When the Iraqis got overwhelmed by Coalition airpower the only aircraft which could still operate and get kills was the MiG-25. Despite it being obsoleted by the MiG-31 for years and examined by Uncle Sam after a defector flew one into Japan. They could not compete with it without difficulty. In Libya the mere presence of the MiG-25 ensured the US could not easily penetrate into their airspace for decades.

    Like others here said the Russian airspace is vast so a fast aircraft can be quickly deployed or redeployed multiplicating your capabilities. It is like the difference between having cavalry or only infantry. With a slower aircraft they need more airfields and more aircraft to cover the same airspace.

    The article also gets some things wrong. It says the MiG-31 is made of titanium but I never heard of it being that way. It always heard it was mostly made of nickel steel alloy to lower the price with titanium only being used in small sections of the aircraft.

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    LMFS
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    Post  LMFS Sun Aug 22, 2021 3:18 am

    Some papers about RTA (Revolutionary Turbine Accelerator) engine and high speed propulsion in general, relevant for the PAK-DP program, specially considering that the core of the engine will be that of the izd. 30.

    NATO paper about high speed propulsion options
    https://apps.dtic.mil/dtic/tr/fulltext/u2/a596249.pdf

    NASA nozzle design for 4+M, RTA related aircraft
    https://www.grc.nasa.gov/WWW/wind/papers/AIAA-2006-0016-Georgiadis.pdf

    NASA about the RTA combustor rig, with general information about the engine
    https://ntrs.nasa.gov/api/citations/20050215564/downloads/20050215564.pdf

    PAK DP prospective long-range interceptor - Page 21 Rta_0010

    The paper about the RTA proper has no free pdf available that I have found in a quick search, though
    https://www.semanticscholar.org/paper/Development-of-a-Ground-Based-Mach-4%2B-Revolutionary-D.G.Shafer-N.B.Mcnelis/3bf91f6c3152cfac7f79083110a86d115cb97114?sort=relevance&pdf=true

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    Post  GarryB Sun Aug 22, 2021 10:16 am

    The faster the aircraft goes when it launches the missile the faster the missile will fly.

    Altitude is useful too as the missile will have a top speed depending on its altitude.

    At low altitude the air is thicker so the top speed of most solid rocket motor missiles is limited at low altitude so excess thrust is simply wasted because drag is enormous.

    Launching from altitude allows much higher speeds to be achieved and makes higher speeds easier to maintain.

    It says the MiG-31 is made of titanium but I never heard of it being that way. It always heard it was mostly made of nickel steel alloy to lower the price with titanium only being used in small sections of the aircraft.

    The exterior of the MiG-25 is mostly nickel steel, but the MiG-31 has a lot more aluminium and also titanium parts, to reduce weight.

    The SR-71 is all titanium, and was so expensive it was repeatedly retired and then brought back into use because of its capabilities.

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    Post  George1 Sat Jul 02, 2022 9:32 am

    Specifications of MiG-41, Russia's Sixth Generation Fighter Jet with Terrible Capabilities

    Country: Russia
    Length: 25 meters
    Width: 22 meters
    Height: 6.50 meters
    Empty Weight: 50,000 kg
    Takeoff Weight: 100,000 kg (max)
    Max Speed ​​: 2,284 mph
    Range: 5,000 km
    Max Altitude: 12,500 meters
    Armament : 4 x High Speed ​​Long Range Missiles

    https://www.international-military.com/2022/06/specifications-of-mig-41-russias-sixth.html
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    Post  sepheronx Sat Jul 02, 2022 9:37 am

    George1 wrote:Specifications of MiG-41, Russia's Sixth Generation Fighter Jet with Terrible Capabilities

       Country: Russia
       Length: 25 meters
       Width: 22 meters
       Height: 6.50 meters
       Empty Weight: 50,000 kg
       Takeoff Weight: 100,000 kg (max)
       Max Speed ​​: 2,284 mph
       Range: 5,000 km
       Max Altitude: 12,500 meters
       Armament : 4 x High Speed ​​Long Range Missiles

    https://www.international-military.com/2022/06/specifications-of-mig-41-russias-sixth.html

    Terrible capabilities?

    I think I know what they are trying to portray but the wording is very poorly thought out.

    I do have quite the excitement to see the MiG-41.
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    Post  GarryB Sat Jul 02, 2022 12:10 pm

    That is absolutely ridiculous... first of all the MiG-41 will be an interceptor and not a fighter, and there is no such thing as a 6th gen anything yet.

    the max speed is too low and the max altitude is pathetic... some bombers can fly higher than that... but carrying four missiles that is a very poor joke.

    Always suspicious went they mix units... being a Russian plane I would expect all the numbers to be metric but it gives speed in miles per hour?

    MiG have already stated that the plane will be a new design because the MiG-31 is based on the MiG-25 which is 1960s technology.

    I call bullshit on that article.

    Also @thegopnik:

    maks 2021 looks fucking depressing on page 7

    and

    @PD

    When everyone inevitably call them out on being bragging blowhards they will just pretend they never announced any fundamentally new aircraft

    Su-75...

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    Post  Arrow Sat Jul 02, 2022 12:20 pm

    Max Altitude: 12,500 meters wrote:

    What ? Shocked
    This is some kind of mistake.

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    Post  George1 Sat Jul 02, 2022 1:07 pm

    sepheronx wrote:
    George1 wrote:Specifications of MiG-41, Russia's Sixth Generation Fighter Jet with Terrible Capabilities

       Country: Russia
       Length: 25 meters
       Width: 22 meters
       Height: 6.50 meters
       Empty Weight: 50,000 kg
       Takeoff Weight: 100,000 kg (max)
       Max Speed ​​: 2,284 mph
       Range: 5,000 km
       Max Altitude: 12,500 meters
       Armament : 4 x High Speed ​​Long Range Missiles

    https://www.international-military.com/2022/06/specifications-of-mig-41-russias-sixth.html

    Terrible capabilities?

    I think I know what they are trying to portray but the wording is very poorly thought out.

    I do have quite the excitement to see the MiG-41.

    i think with "terrible" they mean "impressive" not "bad"
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    Post  Broski Sat Jul 02, 2022 1:35 pm

    Gotta laugh at the "Max Altitude: 12,500 meters", the MiG-31 operates at 20km and can temporarily climb even higher. Also, Mach 4.1 is quite a bit faster than 2,284 mph. More western propaganda I guess?  dunno

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    Post  sepheronx Sat Jul 02, 2022 7:23 pm

    George1 wrote:
    sepheronx wrote:
    George1 wrote:Specifications of MiG-41, Russia's Sixth Generation Fighter Jet with Terrible Capabilities

       Country: Russia
       Length: 25 meters
       Width: 22 meters
       Height: 6.50 meters
       Empty Weight: 50,000 kg
       Takeoff Weight: 100,000 kg (max)
       Max Speed ​​: 2,284 mph
       Range: 5,000 km
       Max Altitude: 12,500 meters
       Armament : 4 x High Speed ​​Long Range Missiles

    https://www.international-military.com/2022/06/specifications-of-mig-41-russias-sixth.html

    Terrible capabilities?

    I think I know what they are trying to portray but the wording is very poorly thought out.

    I do have quite the excitement to see the MiG-41.

    i think with "terrible" they mean "impressive" not "bad"

    I figured that but it's kinda funny none the less on the wording.

    And I agree with the others, the max altitude is off.
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    Post  Hole Sat Jul 02, 2022 8:04 pm

    Broski wrote:Gotta laugh at the "Max Altitude: 12,500 meters", the MiG-31 operates at 20km and can temporarily climb even higher. Also, Mach 4.1 is quite a bit faster than 2,284 mph. More western propaganda I guess?  dunno

    2.284mph are roughly 3.800km/h.

    Mabye a typo. 125.000feet? This would mean 40.000m.

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    Post  LMFS Sat Jul 02, 2022 9:39 pm

    Forget it, there is no official information about the Su-57, which is in service and has been in development for 20 years, and those guys already have the exact specs of the PAK-DP, which does not even exist?? Sure Embarassed

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    Post  Werewolf Sun Jul 03, 2022 2:18 am

    Question: Who was the audience for the published characteristics?

    Doubtfully they are looking for some investor, so either the specifications are real for the domestic use or they are part of misinformation for NATO analysts?
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    Post  LMFS Sun Jul 03, 2022 3:37 am

    Werewolf wrote:Question: Who was the audience for the published characteristics?

    Doubtfully they are looking for some investor, so either the specifications are real for the domestic use or they are part of misinformation for NATO analysts?

    Just journo crap

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