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    New Russian heavy ICBM - Sarmatian

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    Arrow


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    Post  Arrow Sun Sep 22, 2024 9:44 pm

    merican and British nuke missiles also exploded recently , shortly after launch ! Let's see if Yanks and co launch now , without any problems ? Doubt it . wrote:

    Don't make me laugh. Look at how many successful launches Trident II has, it's an excellent SLBM.

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    Post  Arrow Sun Sep 22, 2024 10:15 pm

    R-36M

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    Post  Arkanghelsk Sun Sep 22, 2024 10:54 pm

    Arrow wrote:

    Don't make me laugh. Look at how many successful launches Trident II has, it's an excellent SLBM.

    Lmfaoooo

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    Post  lyle6 Sun Sep 22, 2024 11:41 pm

    Arrow wrote:

    Don't make me laugh. Look at how many successful launches Trident II has, it's an excellent SLBM.
    For the 80s. Now its just hilarious. Razz

    It features limited shielding and hardening to perform anti-interception maneuvering - meaning you can write off the standard use case of gravity turn trajectory to most efficiently toss as much warhead as possible. Scratch all dreams of 8*W88 or 14*W76 uploads, its just not happening. Razz

    They even tried to repurpose the damn thing into a first use weapon using depressed trajectories. Found out the fucking thing kept cooking the RVs before they are even released. End result, they couldn't even guarantee the fusion stage will work so they cut that stage entirely, nerfing the thing into a cute 7kT.  Razz

    Its about as usable as a weapon as its namesake in battle. A peasant tool. Bulava (mace) is a weapon of war meant for cracking heavily armored men-at-arms.

    This is why you don't base shit on wikipedia.

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    Post  lancelot Mon Sep 23, 2024 1:25 am

    Arrow wrote:No big deal if Russian strategic forces are reduced by 1/3 of their potential? If they don't extend the R-36M2's life once again? And they're already withdrawing them. When the R-36M2 had problems it didn't affect the nuclear forces that much. At that time they had over 200 R-36MUTTHs.

    It reminds me of the Bulava times, which is very strange because then the Russian industry had a lot of problems with components etc. but the number of tests was much more frequent. Here I wonder what the problem is. Maybe sabotage?
    1/3 of what? Compare it with when they were still using Topol-M and Topol with unitary warheads.

    Today they have the Yars and Bulava so there is less pressure on getting the RS-28 Sarmat out quickly. Compare with US nuclear deterrent where they only have the Minuteman III and Trident II. Two missile types. One put into service in the 1970s and the other in the 1990s.

    Russia instead has new missile designs developed after the US revoked the ABM Treaty.

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    Post  Arrow Mon Sep 23, 2024 6:16 am

    1/3 of what? Compare it with when they were still using Topol-M and Topol with unitary warheads. wrote:

    It's about the number of warheads. According to START, Russia has about 1,500 strategic warheads in service, with the R 36M2 carrying 460 MIRVs, or 1/3 of its potential. When Topol and Topol M were in service, Russia had a much larger number of R 36Ms, plus R 36M2s with 10 MIRVs each, plus SS 19s with 6 MIRVs each, and even RT 23s with 10 MIRVs each. So overall, the strategic forces had much more warheads. Of course, the Russian arsenal is the most modern in the world, but the problems with Sarmat may cause a problem with maintaining the current RWSN at the level of 1,500 warheads. Considering the end of START, they should increase the strength of the strategic nuclear forces even more.

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    Post  GarryB Mon Sep 23, 2024 7:03 am

    With START essentially gone and most other agreements in limbo or gone they can easily massively build up warhead numbers by returning to MIRVS and MaRVs for most of their missiles... that is not a huge problem.

    Actually I seem to remember the FOBS ban was part of the ABM treaty of 1972 so they could build an Angara 5 and have it sitting ready to be used when needed, and when it is needed they could they could load it up with about 25 tons of RVs and launch it to scatter its payload over North America or Europe... depending on the situation. In modern warhead terms that could be 250 RVs if they weigh 100kg each... they could be mini nukes based on 152mm artillery shells that are half that weight at about 15Kt... so 500 nuclear detonations... they will be fission, so they will be rather more dirty than larger more powerful fusion weapons... the weapon will be in orbit so every 90 minutes it will come over the US and be able to release more warheads... mostly targeting ABM sites and population centres no doubt.


    Or just a really really big powerful bomb to set off an enormous EMP pulse over the US as they launch their ICBM and SLBM... and don't forget Poseidon and Thunderbird attacks...

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    Post  Arrow Mon Sep 23, 2024 7:50 am

    With START essentially gone and most other agreements in limbo or gone they can easily massively build up warhead numbers by returning to MIRVS and MaRVs for most of their missiles... that is not a huge problem. wrote:

    What will massively increase the number of MIRVs? To 60 Topol M, which will be replaced by Yars anyway, which carries 3 MIRVs. Possibly Sineva to 10 MIRVs, but Delta IVs will be slowly withdrawn.
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    Post  lancelot Mon Sep 23, 2024 9:14 am

    Arrow wrote:What will massively increase the number of MIRVs? To 60 Topol M, which will be replaced by Yars anyway, which carries 3 MIRVs. Possibly Sineva to 10 MIRVs, but Delta IVs will be slowly withdrawn.
    There is a high probability Rubezh will enter production sooner or later.

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    Post  Arrow Mon Sep 23, 2024 11:36 am

    https://t.me/kramnikcat/4935





    Kramnik's Cats and Cat

    0:17

    Regarding the Sarmat tests. You can't skimp on technical projects, you can't skimp on tests. All design features of any product in accordance with GOST RV 15.203-2001, regardless of the modification of this GOST, are laid down at the technical project stage. At the technical project stage, the main technical decisions are made, after which the technical project is approved by the customer. The customer is periodically tempted to skimp on the technical project, which should, in theory, be stopped at the military-industrial complex level, but this did not happen here.

    Second, you need to increase funding for testing components. Autonomous preliminary tests, factory tests, all these tests. The more stands, the more tests, the more likely it is that by the time you enter the LKI (flight design tests) you will come up with a normal product.

    And there is only one recipe for success at the LKI: shoot more. This is not the case when modeling decides anything, it can cut off some things in advance, but a lot still depends on physical testing.

    The R-36M (15A14) was tested in the Soyuz from 1973 to 1976, launching 43 missiles during the tests. 7 launches were unsuccessful. The R-36M UTTKh (15A18) got by with 19 launches (two unsuccessful) from 1977 to 1979, while its 1st and 2nd stages were identical to the 15A14.

    The R-36M2 (15A18M) was tested in 1986-88, 26 products, 20 successful launches.

    The Yars was tested very briefly, getting by with three launches without failures, but given the high continuity with the Topol-M, it was possible to afford it.

    If the Sarmat had gone without a hitch, it would have been fit into 6-7 launches over 3-4 years and that would have closed the issue, but given that the missile had to be made from scratch - its predecessors, let me remind you, were made by the Yuzhnoye Design Bureau and Yuzhmash, it did not go without a hitch.

    And in these conditions, only more firing, testing each significant addition/change with a launch, and firing more often, 4-5 products per year, better 7-8, and not once every six months, so that problems with cooperation and staff turnover do not creep in, those who are not on a chain, and then find a better job, then grow in their careers, then retire, then new ones come.

    Here is a picture from a citizen who knows that you need to burn products during tests as much as possible.

    266.8Kviewsedited  Sep 22 at 13:43

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    Post  Arrow Mon Sep 23, 2024 3:04 pm

    There is a high probability Rubezh will enter production sooner or later. wrote:

    Rubezh is a lighter version of the already light Yars. And more of an IRBM missile. Russia needs heavy ICBMs to replace the R-36M2, not the light Topola M/Yars it has. A heavy ICBM can carry huge amounts of MIRVs and decoys, a few HGVs, etc. This cannot be done by missiles with a small throw weight like the Yars has at 1.2 tons.

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    Post  GarryB Tue Sep 24, 2024 5:42 am

    Arrow my dear chap, you are confusing things terribly.

    Their ICBMs didn't carry the warheads they could carry and were built in numbers they could build, the existing treaties strongly influenced what they did and what they built.

    This means TOPOL carried far fewer warheads than it could because when it was put into service the START agreement of the time banned MIRVS.

    With those warhead limiting parts of the agreements gone the pressure for warheads has also gone... they can load as many warheads as they please.

    More importantly and what you are ignoring, is that with the INF treaty gone they can now make IRBM and IRCMs so they no longer have to waste ICBMS and SLBMs on targets in the Middle East, Asia, and Europe... because they will be able to make medium and intermediate range missiles to reach such targets easily enough.

    Ironically, it is a huge step backwards for the US because their short range missiles located in Turkey and Poland can reach much of western Russia and could therefore be considered strategic weapons because they can hit the Black Sea Fleet, the Baltic Fleet, the Northern Fleet, and the Pacific Fleet and even the Caspian Flotilla, all from HATO or HATO friendly territory, yet targets in western Europe and the UK and most of the US are out of range of short range missiles from Russian territory.

    I rather suspect in the near future they will be working on heavy ICCMs... intercontinental cruise missiles... either air breathing scramjet powered or nuclear powered missiles of long or unlimited range and enormous speed.

    Such weapons can be smaller and lighter than ICBMs and will likely operate at very very high altitudes and very high speeds that actually make them harder to intercept than actual ICBMs that go slightly faster but follow a mostly predictable path and do not manouver very much.

    The west has to spend enormous amounts of money just replacing all the stuff from storage that has been burned up and the replacement stuff is going to cost top dollar... Eastern European countries might start buying South Korean weapons and equipment because American stuff is inferior and 10 times the price.

    This is going to really piss off the US, because that is what this was all about... getting more customers for US weapons, getting eastern europe to get rid of all its cheap and effective warsaw pact stuff, and to get europe to pay more for their defence instead of expecting the US cavalry from being the saviour yet again.

    Ironically what they haven't thought about was that if they didn't make Russia an enemy in the first place they would not be spending all this money in the first place, but of course the US MIC don't want you to work that out...

    Sarmatian is a new missile and will essentially replace older missiles already in service. If it takes an extra 5 years to get right then it takes another 5 years. They made the existing missiles and can keep them working till they can be retired and used to launch satellites.

    Bulava can carry 10 warheads if needed... and currently there are no restrictions on that... it currently actually carries about 6 warheads AFAIK.

    If they were desperate they could load Bulava on trains and trucks if they needed to...

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    Post  ALAMO Tue Sep 24, 2024 10:10 am

    GarryB wrote:
    This means TOPOL carried far fewer warheads than it could because when it was put into service the START agreement of the time banned MIRVS.

    START has never banned MIRVs.
    It only reduced the number of deployed warheads, making both the Soviets and muricans decide if they preferred to have one missile with 20 warheads rather than 20 missiles with one warhead each.
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    Post  Hole Tue Sep 24, 2024 2:08 pm

    START II restricted mobile ICBM´s to 1 warhead. Heavy ICBM´s were banned and Russia had to get rid of them.
    That only changed with the New START treaty.

    By the way, if the missile really "exploded" in the silo this would mean there was a issue with the gas generator.
    The Sarmat uses the cold launch method which means a gas generator propells the missile out of the silo, is seperated from
    the missile and "thrown" to the side before the engines ignite.

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    Post  Arrow Tue Sep 24, 2024 9:37 pm

    By the way, if the missile really "exploded" in the silo this would mean there was a issue with the gas generator. The Sarmat uses the cold launch method which means a gas generator propells the missile out of the silo, is seperated from the missile and "thrown" to the side before the engines ignite. wrote:

    Either the gas generator or the first stage engine failed to ignite for some reason and the missile fell straight into the silo.

    START II restricted mobile ICBM´s to 1 warhead. Heavy ICBM´s were banned and Russia had to get rid of them. That only changed with the New START treaty. wrote:

    START II was supposed to come in 2003 and was supposed to eliminate all MIRVs on ICBMs. Only SLBMs were supposed to remain on MIRVs. This would eliminate the R-36M/M2, RT-23. SS-19. Of course, some of these missiles have already been retired. However, Yars was created. Start II failed, I think, after the US withdrew from ABM in 2001.
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    Post  Scorpius Tue Sep 24, 2024 10:54 pm

    Arrow wrote:
    or the first stage engine failed to ignite for some reason and the missile fell straight into the silo.

    A similar accident occurred in 1986 with the R-36M. Then it was found out that due to the carelessness of compiling the launch cycle, the automation did not give the command to turn on the first stage engine after the rocket left the silo.

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    Post  GarryB Wed Sep 25, 2024 5:36 am

    START II was supposed to come in 2003 and was supposed to eliminate all MIRVs on ICBMs.

    It was supposed to come into effect in 2003 but was talked about a lot before then so Russian nuclear missile production and deployment plans would be based around what they would be expecting to be in the new reduction treaties, and over time they would expect those reduction treaties to get more harsh and limiting, so TOPOL and TOPOL-M didn't have lots of MIRV warheads... like they could have had.

    The restrictions on mobile launchers were quite strict... they were mobile but were only allowed in certain areas and couldn't drive where they pleased when they pleased...

    Now the new START treaty essentially have very few limitations and were to be enforced on one day... so you could have more than you were allowed on the day before and the day after, but as long as you had the correct number deployed on that day you were in full compliance.

    There is a reason it was called a weak agreement.

    But by now we are not supposed to be enemies so it shouldn't have mattered.

    The point is that now it is not in effect because the US would use visits and inspections for recon to gather target information for their Ukrainian nazis, means perhaps Russia will realise they don't need such agreements... let the US spend trillions on their nuclear weapons, they seem to be spending on all sorts of things that wont help their economy or improve the lot of their taxpayers...

    If they wanted to massively increase their nuclear reach then producing Bulava and using them from trucks and train carriages... with one stage missing so their range is 3-5K km with 10 warheads each they can call them IRBMs that don't count towards START agreements now or in the future...

    They also have Poseidon and Thunderbird which are also strategic nuclear weapons too.

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    Post  owais.usmani Wed Sep 25, 2024 6:38 am

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    Post  sepheronx Wed Sep 25, 2024 7:47 am

    Who?

    And how accurate is this? or is this someone's imagination?

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    Post  owais.usmani Wed Sep 25, 2024 5:51 pm

    sepheronx wrote:Who?

    And how accurate is this? or is this someone's imagination?

    If you are asking about the document refered to in my previous post, it is an environmental impact assessment report published last year. The complete reports (in Russian) are available at the site of city of Mirny, Arkhangelsk Oblast at the following URL: https://www.mirniy.ru/info/ads/23232-uvedomlenie-o-provedenii-obschestvennyh-obsuzhdeniy.html

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    Post  11E Thu Sep 26, 2024 8:42 pm

    Hole wrote:

    By the way, if the missile really "exploded" in the silo this would mean there was a issue with the gas generator.
    The Sarmat uses the cold launch method which means a gas generator propells the missile out of the silo, is seperated from
    the missile and "thrown" to the side before the engines ignite.

    I'am not a rocket scientist, but could it be that something went horrible wrong with fueling the rocket? In earlier versions they used UDMH fuel which was shock restistant and could be stored for a long time, but it was also highly flamable and spills with the fuel and oxydizer is not particulary good....

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    Post  TMA1 Thu Sep 26, 2024 11:21 pm

    My uneducated theory is it might have something to do with novel mortar ejection system?

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    Post  GarryB Fri Sep 27, 2024 10:30 am

    Propellant traditionally burns rather than detonates, but the more powerful propellants they will be using to maximise acceleration to reduce the time period of the boost phase (to limit the time the missile is vulnerable to air or space based lasers as it launches and climbs up out of the atmosphere) might be rather more energetic.

    I would ignore the initial reports with western spin and wait for the Russians to tell us what is actually happening.

    The Soviets have a very long history of cold launch systems and they seem to be rather reliable... note the term cold launch does not mean there is no burning propellant involved... it means the missile is launched from the launch silo or container with its rocket motors off... they start clear of the launch tube/Silo, to reduce the chances of an engine detonation inside the tube/silo.

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    Post  kvs Fri Sep 27, 2024 12:33 pm

    If you are going to use a silo, then a cold launch system naturally follows. The rocket engine flames have nowhere to go in the silo which
    requires the rocket/missile to be protected against damage by its own engine exhaust. This adds weight and increases risk.

    Anyway, if the missile fell back into the silo and detonated, it would still not plow out the whole silo in a nice conical crater. The initial image is
    a BS photoshop. Even with the rocket debris, the silo will still have a sizeable vent aperture for the burning fuel. At the same time, the ground
    is acting like an "infinite" buttress for the concrete tube that is the silo. The pressure required to plow out this buttressed concrete tube is vastly
    higher than any resistance to venting through the top into the atmosphere and that is where most of the gas will go. Some damage can occur
    to the top of the silo which does not have the buttressing support of deeper parts.

    In this situation liquid fuel is much worse than solid rocket fuel since all of it can explode. Solid rocket fuel would burn from the surface of the fuel packs
    just as it does when the missile is operating. (Recall how the Shuttle SRBs operated). Different liquid fuels have different energy densities, but the
    relative difference is not in factors of 10. It is factors of less than 2.

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