Silent mortar shot: what are the features of the new project for the APU


In recent years, Ukraine has repeatedly announced the success of its military industry. So, Design Bureau "Yuzhnoye" has patented a silent mortar fire system.


Recall that the Design Bureau "Southern" named after M.K. Yangel, like almost all the existing Ukrainian defense enterprises, was created in Soviet times and initially worked in the field of ballistic missile production. After the collapse of the USSR, Yuzhnoye Design Bureau was one of the few enterprises that did not stop their work. Moreover, in recent years it has been repeatedly marked by ambitious statements, for example - it announced the creation of a lunar base and a jumping lunar module.

But in addition to rocket and space technology KB them. Yangelya is also engaged in more “mundane” developments in the field of conventional weapons. One of these developments is the presented concept of silent mortar shooting. Recall that in 2018 at the Ukrainian exhibition “Weapon and safety ”Rubin company has already introduced the silent whisper mortar. Now, the Yuzhnoye Design Bureau has come up with a project for a silent shot for a mortar.

The effect of the absence of noise when firing a mortar gives the locking of the combustion products of the propellant charge inside the shell. As a result, the noise of a mortar shot will be about the same as the noise of firing small arms with a silencer. The Yuzhnoye design bureau concept provides for the possibility of changing the amount of charge and adjusting the mortar firing range.

Silent mortar shot: what are the features of the new project for the APU

Silent Whisper mortar at the 2018 exhibition

What is a silent mortar shot? This is a detachable shell consisting of a warhead, a discrete propellant charge, a shank with a stabilizer and a piston with an initiating device located inside the shank. The warhead consists of a thin-walled tube, on which a set of fragmentation rings with fragmentation concentrators is fixed. At the ends, threaded shoulders are made for connecting the pipe to the contact landing pad and the connecting housing in which the propellant charge is located. The amount of propellant charge can be adjusted.


The shank body has an external thread at the edges and an internal thread from the side of the stabilizer, connected to the deforming damper and stop. The central conical and end grooves are made in the piston. Also, an alignment ring is placed in the end of the shank body from the side of the stabilizer installation.

The possibility of a silent shot significantly increases the efficiency of using a mortar in combat conditions. In the patent, among such silent mortar firing systems is called the shot NR 208A3, which equips the silent portable mortar NR 8111A5 FLY-K.

But Ukrainian experts emphasize, among the shortcomings of this system, the impossibility of changing the amount of explosive in a propellant charge, and this feature, as we know, significantly reduces the possibility of changing the firing range. In the design of Yuzhnoye Design Bureau, this deficiency was eliminated: the amount of explosive in the charge can be adjusted.

But to talk about the receipt of a new system of silent shots in mass production is still premature. After all, the first tests of the prototype did not even pass. However, it should be noted that if the production process is established, the Armed Forces of Ukraine will be able to equip silent shells for mortars and grenade launchers.
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  1. Shurik70 6 May 2020 10: 44 New
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    Che didn’t understand.
    Who in battle will bother with a hitch of gunpowder?
    The range of the mortar is adjusted by tilting the barrel.
    1. Snail N9 6 May 2020 10: 58 New
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      And the meaning is noiseless? Now there are a lot of radar stations for “detecting artillery fire”, some in dimensions of 25-40 kg, which are just designed for instantly detecting a mine’s departure, to a shit about it, there was a shot noise or not. For sabotage? To drag a heavy shnyaga (which then will have to be abandoned, but it costs money) to drop from two dozen dragged mines (it will be difficult to drag a small group more) - is there a game of candles? It is much easier to bring an RPG-7 type grenade launcher with the same number of shots or disposable ones. Or even better, if you need to quickly hit the point, protected target-ATGM. The meaning of this "silent" shnyaga? Bullet a few pieces of "silent mines", received a notch from the counter-battery station and then an answer from the "loud" mortars, RZSO or enemy artillery?
      1. Insurgent 6 May 2020 11: 52 New
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        Quote: Snail N9
        And the meaning is noiseless?

        Quote: Snail N9
        Now there are a lot of radar stations for “detecting artillery fire”, some in dimensions of 25-40 kg, which are just designed for instantly detecting the departure of mines


        There are "nuances" yes

        Video. Mortar Russian , 2B25 "Gall".

      2. Lopatov 6 May 2020 11: 58 New
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        Quote: Snail N9
        And the meaning is noiseless?

        There is not only noiselessness (which is also important), there is also the absence of a “torch”. Which is the main unmasking sign of a company-level battalion mortar

        Quote: Snail N9
        a bunch of radar stations "notch artillery fire", some in dimensions of 25-40 kg, which are just designed for instantly detecting the departure of mines, they give a damn about the noise of the shot or not.

        But they don’t give a damn about REP. Yes, and they are calculated with subsequent destruction. Ukrainians in the know.

        Quote: Snail N9
        It is much easier to bring an RPG-7 type grenade launcher with the same number of shots or disposable ones.

        Not easier. Grenade launcher and mortar are not interchangeable.
    2. rotmistr60 6 May 2020 11: 10 New
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      Shurik70
      The mortar range is adjusted by tilting the barrel
      The range of the mines depends on the mounted powder charges, which are installed in front of the stabilizer mines.
      1. Insurgent 6 May 2020 11: 54 New
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        Quote: rotmistr60
        The range of the mines depends on the mounted powder charges, which are installed in front of the stabilizer mines.

        ... and elevation angle yes
    3. Kuroneko 6 May 2020 12: 11 New
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      Quote: Shurik70
      Che didn’t understand.
      Who in battle will bother with a hitch of gunpowder?
      The range of the mortar is adjusted by tilting the barrel.

      From the description of 82-mm mortars of the BM family on Wikipedia:
      For firing from an 82-mm mortar, high-explosive fragmentation shells, six-feather and ten-feather mines and six-feather smoke mines, as well as an agitation mine, were used.
      The 82-mm six-armed fragmentation mine O-832 weighed 3,31 kg (equipped with additional charges - 3,4 kg) and carried 400 grams of explosives. A mine explosion gave 400-600 fragments, which ensured the defeat of manpower within a radius of sixty meters from the gap.
      The 82-mm fragmentation ten-armed mine O-832D also weighed 3,31 kg (equipped with additional charges - 3,4 kg) and carried 400 grams of explosives.
      82-mm smoke six-armed mine D-832 weighed 3,67 kg.
      A 82-mm A-832 ​​propaganda mine weighed 4,6 kg.

      As you can see, for some reason they were busy.
    4. rich 6 May 2020 13: 54 New
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      Silent Russian Gall mortar copied in Ukraine
      Ukrainian "designers" continue to engage in shameless theft of Russian developments. So, at the exhibition "Arms and Security 2018" in Kiev, the 82-mm silent mortar "Whisper" was demonstrated.
      This development of one of the Ukrainian companies is very similar to the Russian 2B25 Gall. The differences are only in small details.
      If we talk about the technical characteristics of the "news", it turns out that it is inferior to our model. If the 2B25 has a maximum firing range of 1200 m, then the Whisper has 400 meters less.
      The rate of fire is the same -15 rounds per minute. The same and vertical pointing angle - 45..85 degrees. If the "Gall" weighs 13 kg, then its clone is 16,9 kg.
      Special mines are also very similar.
      a photo2B25 "Gall"

      The 82B Gall portable infantry 2 mm mortar is primarily intended for the destruction of enemy manpower in the open and in field-type fortifications (trenches and trenches). The main feature of the gall is its noiselessness, which allows a mortar crew of two people to secretly fire at enemy positions and quickly change their position.
      Silent and invisible 2B25 "Gall" is achieved by the absence of standard effects when fired (smoke, sound. Shock wave). Such characteristics were achieved thanks to the special 3VO35E fragmentation munition, which is used in the gall. The scheme of such firing was already applied earlier, but in a special self-loading pistol PSS. When a mortar is fired from a mortar with 3VO35E ammunition, the powder gases are locked in the tail of the mine and remain there, while there is no shot flame, smoke, sound and shock wave. Some experts note that the sound of volley from the 2B25 Gall mortar is comparable to a shot of a Kalashnikov assault rifle that is equipped with a silencer or a Makrov pistol shot. That is, you probably imagine that this is a fairly quiet and dull clap, which is almost indistinguishable at a distance of more than 100 m .. The mortar calculation of the gall allows you to hit the enemy at a distance of 100 to 1200 meters, at fairly good angles of +45 - + 85 degrees, horizontal angles of rotation of the installation vary from −4 to +4 degrees. As mentioned earlier, the 2B25 Gall combat crew is 2 people, and the ammunition caliber is 82 mm. The weight of the mortar is 13 kg, and the rate of fire varies around 15 rounds per minute.
      TTX of the silent portable mortar 2B25 "Gall"
      Caliber: 82 mm;
      Calculation: 2 people;
      Firing range: from 100 to 1200 m;
      Rate of Fire: 15 rds / min;
      Vertical angles: +45 - +85 degrees;
      Horizontal angles: -4 - +4 degrees;
      Recoil device: base plate;
      Carriage: two-legged;
      Weight: 13 kg.
    5. Gray brother 6 May 2020 14: 07 New
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      Quote: Shurik70
      Who in battle will bother with a hitch of gunpowder?

      There are measuring bags with gunpowder in the form of sausages, they are tied around the shank. Reinforced propellant like seems to be used since the Second World War at least.
      You can throw a mine further than the passport range, if the design of the mortar allows.
    6. Alexey Kurtov 8 May 2020 10: 09 New
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      Not only by tilting, but by a whole system of additional charges. In the battle with them, "shell" fiddles.
  2. rotmistr60 6 May 2020 11: 06 New
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    The first prototype tests did not even pass.
    That's when they test, then probably it will be possible to talk.
    1. Victor_B 6 May 2020 11: 20 New
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      Quote: rotmistr60
      That's when they test, then probably it will be possible to talk.

      The Russian army has been in service for so long.
      2B25 "Gall" - the Russian silent wearable mortar. Developed in the Nizhny Novgorod Central Research Institute "Petrel". It was demonstrated to the general public in 2011 at the MILEX-2011 arms exhibition held in Minsk. It is made serially.
      1. orionvitt 6 May 2020 14: 30 New
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        Quote: Victor_B
        The Russian army has been in service for so long.

        In any case, this topic is not for mass use. Just like a small-arms silent weapon (by the way, and by the same principle of locking powder gases in a sleeve), it was not widely used. In single copies, for special forces. Apparently, “the game is not worth the candle” and the topic is good only from the point of view of “academic interest”.
  3. Vladimir_2U 6 May 2020 11: 16 New
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    I recall the wonderful quality of just mortars for the Armed Forces of Ukraine, if this tradition continues, then the Banderstad war will have even more surprises.
  4. Nikolaevich I 6 May 2020 11: 28 New
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    The technical solution, of course, is interesting ... but what is the novelty? Of particular novelty is dumb ... except that a variable propelling charge! But here everything was predictable! That is, the “design” of a variable propellant charge in a “silent” rod mortar, for example, has been known to me since the first messages about the Gall mortar appeared ... By the way, the idea of ​​“silent” (and not only “silent” ... ) rod mortars (and not only rod mortars ...) appeared much earlier than the appearance of the Gall mortars! "Similar" mortars were used as early as 1MB ... they were also in 2MB (there was a similar mortar in the Red Army in the Second World War ...) From the post-war devices I remember the Georgian 60-mm mortar ... we’re not talking about “NATO” yet, but and they are ...! In general, one can count 3 (!) fundamental technical solutions for the creation of "silent" mortars: 1. rod; 2. With telescopic shank; 3. with a "choke" ...! As you know, "silent" mortars (especially the first two types ...) have a small firing range and "light" ammunition ... To "downplay" these shortcomings, you can use active-reactive mines, mines with longer shanks and mortars with longer trunks ... The advantages include, not so much "noiselessness" as the low weight of the weapon, moreover, with the expected cheapness ...! In rod, for example, mortars, thin-walled aluminum barrels can be used!
    1. Gray brother 6 May 2020 14: 17 New
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      Quote: Nikolaevich I
      variable throwing charge!

      I would like to see how they resolved this pornography at gunpoint. The mortar implies, like bebe, that the fire must be quickly transferred - they will not carry tables with them.
      1. Nikolaevich I 6 May 2020 16: 59 New
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        Well, in principle, the “problem” is not “grave" ... there are ways to solve it! As for the tables ... it has already been told more than once as "barmalei" (in some cases, it can be attributed to -shnikov ...) used tablet computers ...
        1. Gray brother 6 May 2020 17: 58 New
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          Quote: Nikolaevich I
          used tablet computers ..

          They used mobile phones to check a corner because they have not enough brains to use a sight. Without batteries, this does not work.
          1. Nikolaevich I 6 May 2020 18: 26 New
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            Quote: Gray Brother
            They used mobile phones to check an angle because to use a sight

            Not only ! About the "corner", I heard and saw "... but there was infa and another" kind "... In particular, the high school students used in my cases“ tablets ”with programs such as“ shooting tables "... Also , smartphones with some applications for adjusting the shooting were in use ... alas, now I don’t remember which ones! (Although, in my "archive" I should save ... but now I have "some time deficit" .. .)
            1. Gray brother 6 May 2020 18: 33 New
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              Quote: Nikolaevich I
              ..Also, there were smartphones with some kind of shooting adjustment applications

              Yes, they used to edge the phone to the trunk and measure the angle with the accelerometer. They shot on Google maps. There was such an application with tables in the public domain, in the Google market, perhaps now it is - it was used by the Armed Forces of Ukraine and ISIS.
              But this is handicraft - the phone set a little crookedly and the error went. A variable charge does not dance there at all.
  5. major147 6 May 2020 11: 33 New
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    I was in the service of LDCs, so there was a cartridge with a sleeve filled with gas. When firing a piston, the ejecting bullet blocked the exit of gases from the sleeve.
    1. Nikolaevich I 6 May 2020 12: 19 New
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      Duc, this is a "regular" SP-4 cartridge ... only what does it have to do with "gas filling"? When tama is a powder charge! wink
      1. major147 6 May 2020 23: 42 New
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        Quote: Nikolaevich I
        tama powder charge!

        Yes, of course hi Just when I wrote, I thought about gas cut-off, here’s the “tinsul” about gas fool
  6. Tagan 6 May 2020 12: 18 New
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    In the meantime, Hammer to help them (to commit suicide)
  7. Incompetent 6 May 2020 13: 22 New
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    And where are the laughs towards Ukraine? It was necessary to support Yanukovych and he would now be manual thanks to Russia for salvation! And Ukraine would be friendly. And so they took Crimea, but they surrendered the whole of Ukraine to the influence of the United States and now, slowly rearranging year after year, they will be able to achieve such strength that LDNR will not be able to survive without direct Russian intervention ... These are all managerial decisions as far-sighted as the management of Gazprom managers who did not bother to have their pipe layers and such stupidity in all areas ... Katz offers to give up)
    1. bistrov. 6 May 2020 14: 55 New
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      Quote: Incompetent
      And where are the laughs towards Ukraine? It was necessary to support Yanukovych

      Already the first "president" Kravchuk began to make tricks with the States, and the second, Kuchma did not write the "Ukraine" book "Russia" and talked about joining NATO. After all, it was 1994, not even three years have passed since the collapse of the USSR ...
      The mistake was made in 1991, it was by no means necessary to release "Ukraine" from the USSR, until the physical elimination of the most notorious gorlopans in the "parliament" and zapadentsev who came to Kiev at that moment. What, in general, did these Kremlin rulers think, what were they hoping for?
      1. IL-18 6 May 2020 16: 41 New
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        Quote: bistrov.
        The mistake was made in 1991.

        no. in the postwar years. then it was necessary for Bandera either to themselves or to the Poles to surrender without exception, to exterminate. why to the poles? The sad story of Polish Jews who survived the Holocaust, but the local population showed themselves after the exile of the Nazis. and as regards the Poles who were guilty before them, they certainly would not have stood on ceremony.
  8. Amateur 6 May 2020 14: 07 New
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    But talking about the receipt of a new system of silent shots in mass production is still premature. After all, the first tests of the prototype did not even pass.

    Will explode or not explode
    That is the question
    It is worthy to humble oneself under the blows of fate
    Or need to resist
    And in mortal combat with a mortar "Hammer"
    End them? Die. To be forgotten.
  9. Amateur 6 May 2020 14: 17 New
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    Quote: Incompetent
    And so they took Crimea, but they gave all of Ukraine under the influence of the States

    Pans of the predictable recent:
    Kuchma Leonid Danilovich (July 1994 - January 2005)
    Yushchenko Victor Andreevich (January 2005 - February 2010)
    Yanukovych Viktor Fedorovich (February 2010 - February 2014)
    Turchinov Alexander Valentinovich (Acting) 23.02.2014/07.06.2014/XNUMX XNUMX/XNUMX/XNUMX
    They’re very good friends of Russia, even more strategic allies in the fight against American influences (They are the best friends of Russia, almost strategic allies in the fight against American influence) fool
  10. Lord of the Sith 6 May 2020 17: 26 New
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    Better to call the mortar "The Whisperer" and let the whisperer out of it laughing

    I wonder if he has the properties of the famous "Hammer"?
  11. Tagan 6 May 2020 17: 28 New
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    Quote: Incompetent
    And where are the laughs towards Ukraine? It was necessary to support Yanukovych and he would now be manual thanks to Russia for salvation! And Ukraine would be friendly. And so they took Crimea, but they surrendered the whole of Ukraine to the influence of the United States and now, slowly rearranging year after year, they will be able to achieve such strength that LDNR will not be able to survive without direct Russian intervention ... These are all managerial decisions as far-sighted as the management of Gazprom managers who did not bother to have their pipe layers and such stupidity in all areas ... Katz offers to give up)

    Well, apparently, the North wind will also be of corresponding strength in order to achieve the necessary counterbalance. Such features of wind rose in this region.
  12. Veiko 8 May 2020 08: 34 New
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    “jumping lunar module.” Tactics APU frog or toad jumping