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    New Russian heavy ICBM - Sarmatian

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    owais.usmani

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    Post  owais.usmani Fri May 07, 2021 11:54 am

    I read on bmpd that the combat starting positions of the Sarmat ICBM will be covered by the "Blockade" active protection complex or its modernized version: https://demchenko2000.livejournal.com/1275.html
    thegopnik
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    Post  thegopnik Wed May 12, 2021 6:44 pm

    found some cool sources.

    New Russian heavy ICBM - Sarmatian - Page 13 Detona10


    https://media.nti.org/pdfs/NTI-Hruby_FINAL.PDF page 17

    "Short boost phase: The short-boost-phase claim is somewhat puzzling, because the Sarmat, like the Voevoda, uses liquid fuel.11 Liquid fuels tend to produce longer boost phases than solid fuels.12 It is hard to be definitive about what is behind the shortboost-phase claim, but there is substantial reporting suggesting the new first-stage engine for the Sarmat, the PDU-99,13 is being designed to lower the signature and/ or increase the thrust and boost speed of the Sarmat. Reporting consistently names Energomash as the engine design agency; however, whereas many report the PDU99 is a variant of the engine used on the current Voevoda,14 others claim it is a more advanced pulsed-detonation engine.15 Some reports assert the new engine will hyperaccelerate the Sarmat into orbit, reducing the infrared signature of the launch as well as the time available for earlywarning satellites to detect such a launch.16 Since infrared signature is closely related to engine type, fuel composition, burn time, rocket geometry, chamber parameters, and flight conditions,17 it is possible that a new engine and/or new fuel could cause the boost phase to be harder to detect and characterize. It is widely reported the PDU99 was tested in August 2016, although no detail is given about the engine.18 Later that same month, it was also reported, a full-scale pulse detonation engine was tested by the Russian Advanced Research Foundation19 supported by Energomash. The Advanced Research Foundation engine was said to employ clean fuel and obtain high thermodynamic efficiency while providing lower cost and increasing the payload weight for space missions."

    Other sources have suggested that avangard uses a scramjet, than another source states special engine. https://naukatehnika.com/vrashhayushhijsya-detonacionnyj-dvigatel.html

    "To date, GE Research has already solved many fundamental problems related to hypersonic transport. For example, the company develops ceramics that can withstand the high temperatures created by a rotating detonation engine because it contains an endless explosion. Such innovations will return commercial travelers to supersonic aircraft by 2025. The U.S. Department of Defense announced earlier this year that hypersonic transportation should be a top priority. The Pentagon is pushing Russia, which has a Vanguard equipped with a special engine, and China is also claiming a powerful program of hypersonic missile research."

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    dino00
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    Post  dino00 Wed May 12, 2021 8:37 pm

    Avantgarde is an unpowered boost glide vehicle, no scramjet, no engine.

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    lancelot
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    Post  lancelot Wed May 12, 2021 10:38 pm

    The missile with the hypersonic engine, possibly a scramjet, is the Zircon, not Avangard.

    Sarmat will likely have Avangard boost glide warheads in at least some versions in order to enable it to be resistant to ABM systems.
    These are basically warheads which can glide across the atmosphere after being boosted by a rocket. They don't have any propulsion.
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    Post  Big_Gazza Thu May 13, 2021 2:05 am

    dino00 wrote:Avantgarde is an unpowered boost glide vehicle, no scramjet, no engine.

    TBH there is no way to know for sure. The "generic" HGV is an unpowered vehicle, but who can say for sure if Avangard doesn't have scramjet as a sustainer to extend its performance envelope? Data regarding its performance is obviously classified, and the US isn't about to show its hand and reveal what it knows (or doesn't).

    Zircon is most definately scramjet powered, so Russia possesses workable engines. The question is do they have an engine that can work at very high mach numbers in the rarieifed mesospheric atitudes? dunno

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    lancelot
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    Post  lancelot Thu May 13, 2021 2:36 am

    Big_Gazza wrote:TBH there is no way to know for sure.  The "generic" HGV is an unpowered vehicle, but who can say for sure if Avangard doesn't have scramjet as a sustainer to extend its performance envelope?  Data regarding its performance is obviously classified, and the US isn't about to show its hand and reveal what it knows (or doesn't).

    Zircon is most definately scramjet powered, so Russia possesses workable engines.  The question is do they have an engine that can work at very high mach numbers in the rarieifed mesospheric atitudes?

    That seems highly unlikely. AFAIK a detonation or scramjet engine requires oxygen to operate. It is meant to operate inside the atmosphere. That is how you get the performance increase over rockets. By not having to carry the oxidizer. The Avangard might have some small thrusters to ensure it can maneuver better but it's highly unlikely it will have a powerful airbreathing engine in it. Particularly at those speeds scooping up air is pretty damn hard. If you go deep inside the atmosphere to scoop it up you will get really high friction heating which will melt most materials. Avangard is supposed to work at much higher speeds than Zircon. Allegedly Mach 27 vs Mach 8.
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    Post  kvs Thu May 13, 2021 3:32 am

    Western analysts are claiming that the Avangard cruises at 30 km for most of its range. That would require a propulsion system to overcome
    air drag. I think they don't know what they are talking about, and the Avangard is a high altitude glider like the the various shuttles tested and
    operated by the USA and the USSR from the 1970s. Cruising at 30 km takes away from useful payload and makes the warhead much slower
    to reach the target. Thus, this approach is nonsense. ICBMs are not cruise missiles.

    Since it is a high altitude glider, it does not require a main propulsion system, but needs to have maneuvering ability. This suggest thrusters
    and flaps. But the Avangard does not need a lot to achieve large horizontal excursions since it can use its speed to achieve this. This is
    another reason why cruising at 30 km is nonsense since it reduces the maneuvering range which defeats the whole purpose.

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    lancelot
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    Post  lancelot Thu May 13, 2021 4:51 am

    Yes, it likely glides across the top of the atmosphere and avoids the denser air until it starts the descent to the target.

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    Arrow

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    Post  Arrow Thu May 13, 2021 9:51 am

    How is the Avangard able to achieve such high speed for most of the flight. If there is no engine mayby only correct, each maneuver will waste a lot of energy. In addition, it flies on a low trajectory, where there is some atmosphere, which at this speed causes huge friction. In such a situation, its speed will be much lower than 27M in the terminal phase ?
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    Post  lancelot Thu May 13, 2021 12:33 pm

    Arrow wrote:How is the Avangard able to achieve such high speed for most of the flight. If there is no engine mayby only correct, each maneuver will waste a lot of energy. In addition, it flies on a low trajectory, where there is some atmosphere, which at this speed causes huge friction. In such a situation, its speed will be much lower than 27M in the terminal phase ?

    Well, one possibility which would require minimum thrust would be to skip around the upper layers of the atmosphere. Link of it like throwing a flat pebble over the surface of the water.
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    Post  dino00 Thu May 13, 2021 2:56 pm

    It works like the Htv-2 from DARPA, that achieves Mack 22, no scramjet.
    The only difference between them is Avangard works.

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    Post  owais.usmani Thu Jun 10, 2021 4:19 pm

    https://t.me/warbolts/421

    New Russian heavy ICBM - Sarmatian - Page 13 Te8jrz10

    Today or tomorrow (June 10 or 11, from 06:00 to 12:00 UTC) an ICBM is scheduled to be launched from the Plesetsk test site. The allotment of zones for the fall fields suggests the launch of the 15A28 "Sarmat" ICBM.

    Watch out Biden! cheers

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    owais.usmani

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    Post  owais.usmani Fri Jun 11, 2021 10:44 am

    https://t.me/warbolts/429

    Today "Cobra Ball" did not go to Kamchatka. Judging by the fact that NOTAM Y6348 / 21 has been removed from the AIS to the restricted area adjacent to the ban over the Kura range, the launch (or its attempt) took place yesterday and today nothing will fly.

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    Arrow

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    Post  Arrow Fri Jun 11, 2021 11:12 am

    I wonder what flew yesterday?


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    Post  dino00 Sat Jun 12, 2021 12:07 am

    A new intercontinental missile is expected to be launched at the Russian test site

    https://www.vedomosti.ru/politics/articles/2021/06/10/873832-tihookeanskii-flot

    I don't have access, if someone has...
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    Post  owais.usmani Fri Jun 25, 2021 10:40 am

    https://tass.ru/armiya-i-opk/11736413

    KRASNOYARSK, June 24. / TASS /. Flight design tests of the Sarmat intercontinental ballistic missile (ICBM) are scheduled for the third quarter of 2021. This was announced to TASS by the general director of the Krasmash plant, Alexander Gavrilov.

    "The first flight tests will take place this year. The third quarter is planned," Gavrilov said.

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    owais.usmani

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    Post  owais.usmani Wed Aug 04, 2021 11:45 am

    https://tass.com/defense/1322397

    MOSCOW, August 4. /TASS/. The first launch of Russia’s advanced Sarmat silo-based intercontinental ballistic missile (ICBM) is scheduled to take place this fall, a defense industry source has told TASS.

    "The first launch of Sarmat as part of flight development tests will presumably take place this fall, the second one - in late 2021," the source said.

    TASS did not receive an official confirmation of this information at the time of the publication.

    Krasmash plant Director General Alexander Gavrilov told TASS in June that Sarmat flight tests had been scheduled for the third quarter of 2021.

    Sarmat is to replace R-36M2 Voevoda missiles, which have been the most powerful in the world and operational since 1970s. Sarmat considerably exceeds the predecessor. Some of its characteristics were disclosed at Army-2019 forum. The new missile weighs 208.1 tons, the payload is close to 10 tons and the fuel is 178 tons. The range of Sarmat is 18,000 kilometers.

    It can fly by unpredictable routes and bypass missile defense areas. It can fly over the North and South Pole and approach targets from directions that are not envisaged for interception. Sarmat can carry a line of reentry vehicles, including hypersonic Avangard gliders.

    Military experts say that Sarmat missiles will help deter the United States’ plans of deploying its global missile defense system.

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    Russian_Patriot_
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    Post  Russian_Patriot_ Sat Aug 07, 2021 8:56 am

    Shoigu: Krasmash is ready to fulfill the contract for the supply of Sarmat ballistic missiles to the army. 

    Krasnoyarsk Machine-Building Plant is ready to fulfill a long-term contract for the supply of the latest Sarmat intercontinental ballistic missiles to the Russian Armed Forces, Russian Defense Minister General of the Army Sergei Shoigu said on Friday.

    On Friday, the Minister visited Krasmash, where he inspected the company's production facilities and heard a report from the company's management.

    "We have just reviewed all issues related to new types of weapons. We looked at how Krasmash is ready to fulfill a long - term contract for one of the most formidable weapons that our country should possess-the Sarmat missile. We have full confidence that Krasmash will fulfill its tasks" – the Minister said at a meeting with the plant's staff.

    The minister added that back in 2019, he could not say with certainty that Krasmash was able to provide this program, but today he is convinced of this. 

    Source: 

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