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    Kurganets & Boomerang Discussions Thread #1

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    Austin
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    Re: Kurganets & Boomerang Discussions Thread #1

    Post  Austin on Sun Jan 27, 2013 12:23 pm

    India is in the process of upgrading its BMP-2 , Hopefully a new 57 mm Gun is part of the deal.

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    Re: Kurganets & Boomerang Discussions Thread #1

    Post  Austin on Thu Jan 31, 2013 11:57 pm

    Russia will create a new BMP specifically for the "Mistral"

    The source said the newspaper, the new machine should be no longer were in service with BMP-2, BMP-3 and BTR-80. Mass of the new BMP for "Mistral" is to be about 30 tons. In addition, the armored car to be installed set of passive protection and active protection of the "Arena". Power unit for the BMP should be no less than 400 horsepower, and it must be installed or a gas turbine engine with electric transmission or engine power of 750 horsepower from the perspective of armored vehicles "Kurganets-25" or BMP-3F.

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    Re: Kurganets & Boomerang Discussions Thread #1

    Post  Zivo on Fri Feb 01, 2013 6:10 am

    Could it really be? Will the PT-76 finally be retired?

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    Re: Kurganets & Boomerang Discussions Thread #1

    Post  TR1 on Fri Feb 01, 2013 9:08 am

    Don't think there are many units even using PT-76 at this point.

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    Re: Kurganets & Boomerang Discussions Thread #1

    Post  collegeboy16 on Fri Feb 01, 2013 10:55 am

    Austin wrote:Russia will create a new BMP specifically for the "Mistral"

    The source said the newspaper, the new machine should be no longer were in service with BMP-2, BMP-3 and BTR-80. Mass of the new BMP for "Mistral" is to be about 30 tons. In addition, the armored car to be installed set of passive protection and active protection of the "Arena". Power unit for the BMP should be no less than 400 horsepower, and it must be installed or a gas turbine engine with electric transmission or engine power of 750 horsepower from the perspective of armored vehicles "Kurganets-25" or BMP-3F.
    Sounds more like an EFV to me.

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    Re: Kurganets & Boomerang Discussions Thread #1

    Post  Zivo on Fri Feb 01, 2013 11:01 am

    TR1 wrote:Don't think there are many units even using PT-76 at this point.

    I think there's still ~20 of them in service.

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    Re: Kurganets & Boomerang Discussions Thread #1

    Post  Cyberspec on Tue Feb 19, 2013 2:30 am

    Prospective 57mm gun/turret for IFV's


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    Re: Kurganets & Boomerang Discussions Thread #1

    Post  Zivo on Tue Feb 19, 2013 3:35 am

    I thought the turrets were unmanned on the new IFVs. Could this just be a possible upgrade to the BMP-2? Maybe something for export?

    I really like retractable Kornet-EM. I wonder if it's slaved to the main gun or independently aimed by the commander?

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    Re: Kurganets & Boomerang Discussions Thread #1

    Post  GarryB on Tue Feb 19, 2013 2:23 pm

    I thought the turrets were unmanned on the new IFVs. Could this just be a possible upgrade to the BMP-2? Maybe something for export?

    This is probably the 57mm equivalent of the Kliver turret though looking at the size of the rounds I suspect this might be the 45mm gun perhaps. I suspect with the 57mm rounds there will be little room for crew.

    I really like retractable Kornet-EM. I wonder if it's slaved to the main gun or independently aimed by the commander?

    With capability against aerial targets and a high elevation main gun very likely I would suspect elevation of the missiles would be a requirement.


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    Re: Kurganets & Boomerang Discussions Thread #1

    Post  Cyberspec on Wed Feb 20, 2013 2:59 pm

    The 45mm turret has been reportedly chosen for the Kurganets/Boomerang in preference over the 57mm model posted above. But there is a possibility that it could be used as an upgrade for older IFV's

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    Re: Kurganets & Boomerang Discussions Thread #1

    Post  Zivo on Wed Feb 20, 2013 4:23 pm

    The last official statement about it I've seen is that they were going with the 57mm, and two cheap guided munitions, one being Kornet, they were not clear about the second round. Garry suggested a guided 57mm round, which is probably correct.

    Read back a few pages it should be there.

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    Re: Kurganets & Boomerang Discussions Thread #1

    Post  TheArmenian on Wed Feb 20, 2013 5:18 pm

    I'm loving this design more every day.
    Vehicles with this 45/57 mm gun combined with ATGM systems can target everything and anything. With new Main Battle Tanks getting heavier and super expensive.These more compact and efficient systems should do the bulk of the job on the battlefield. Would like to see them on Kurganets, BMP, Boomerang, BTR...on everything that has wheels or tracks.

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    Re: Kurganets & Boomerang Discussions Thread #1

    Post  AlfaT8 on Wed Feb 20, 2013 7:19 pm

    TheArmenian wrote:I'm loving this design more every day.
    Vehicles with this 45/57 mm gun combined with ATGM systems can target everything and anything. With new Main Battle Tanks getting heavier and super expensive.These more compact and efficient systems should do the bulk of the job on the battlefield. Would like to see them on Kurganets, BMP, Boomerang, BTR...on everything that has wheels or tracks.

    Than it will have to be an unmanned version of it. Neutral

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    Re: Kurganets & Boomerang Discussions Thread #1

    Post  GarryB on Thu Feb 21, 2013 7:39 am

    The fact that the proposed turret above has two crew in it suggests that this is a proposed turret for upgrading vehicles like the PT-76 or other vehicle types rather than the new IFV turret for new vehicles... which will certainly be unmanned.

    The IFV turret for the new vehicles (armata, kurganets-10, boomerang-25, boomerang-10) will actually be RWS in the sense that they will be unmanned and separating the crew from weapons, ammo, and fuel for their safety.

    The 45mm turret has been reportedly chosen for the Kurganets/Boomerang in preference over the 57mm model posted above. But there is a possibility that it could be used as an upgrade for older IFV's

    The telescoped case of the 45mm should make the ammo relatively compact compared with the very large shells of teh 57mm, but the large case capacity of the 57mm would allow larger, more effective guided rounds to be developed.

    Perhaps a solution could be found with two piece ammo?

    A 45mm round with half the guided projectile down its centre surrounded by propellent with another piece that is all projectile the size of a full unfired 45mm round that joins on the front of the half of the missile in the standard shell.

    Load the projectile first and then load the rear portion next to push the front part of the missile into the first part of the barrel with the rest of the missile and the propellent into the chamber so you can have a double sized projectile. The rate of fire will of course be lower, but with a guided shell even 60 rounds per minute will be devastating. You could have a separate loading feed for the guided front parts of the missile, or load the front part of the missile in front of the rear part of the missile in the ammo rack at the cost of a reduction of ready to use rounds, though the benefit of a much larger warhead/payload would make it worth it in my opinion.

    The best option in my opinion however would be to just develop a 57mm telescoped round with more room for a guided projectile.

    Than it will have to be an unmanned version of it.

    That just means more ready to use ammo.

    In fact an air defence model based on the IFV with the rear troop compartment replaced by an enormous automated ammo handling system with a couple of hundred extra rounds would make it a very potent BMPT with very impressive fire power for escort/guard duty missions.


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    Re: Kurganets & Boomerang Discussions Thread #1

    Post  TR1 on Thu Feb 21, 2013 8:02 am

    57mm is a huge gun on an APC, the ammo count would be either very low, or it would simply be an issue of internal space...

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    Re: Kurganets & Boomerang Discussions Thread #1

    Post  Zivo on Thu Feb 21, 2013 9:33 am

    It will only take one or two 57mm rounds to deal with most threats. Laser guidance, shrapnel sleeves, and delayed fuses will increase both accuracy and lethality.

    Keep in mind NATO IFVs are going to get much larger in the future. You can have all the 30mm you want, but if it cant kill your target it's useless. In asymmetric warfare, the 57mm also has some very distinct advantages, especially in cities or other urbanized areas. Ten guerrillas stacked up on a corner taking turns shooting at your armor at the end of a road wouldn't be very happy when a 57mm smart round detonates right next to them. Twisted Evil

    Just keep your fingers crossed for telescopic rounds.

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    Re: Kurganets & Boomerang Discussions Thread #1

    Post  GarryB on Thu Feb 21, 2013 12:54 pm

    The story I remember hearing is that the 57mm setup was originally developed as an upgrade for the PT-76 as a replacement for the old 76.2mm rifled gun and was based on the S-60 anti aircraft round used on the ZSU-57-2 SP and S-60 towed AAG.

    The 45mm round was a new design especially designed for the BMP-4 to replace the 30mm round that was no longer effective against enemy IFV at useful battlefield ranges.

    There was also a 45mm round used in an aerial cannon for the Il-102.

    The issue seems to be that the 57mm round has more space for guided rounds which gives it an advantage, but the old style huge case takes up a lot of room in an armoured vehicle so the 45mm is looking good too.

    The old 57mm rounds were powerful but not fantastic by todays standards in terms of HE capacity and AP performance, though new ammo types could certainly deal with that as an issue.

    Personally I think the 45mm gun might have better performance, but the 57mm gun might win in the same way the 122mm gun was chosen over the 100mm gun for the IS-3 tank because the larger round probably has a more useful HE shell, and the AP will be almost as good, but most importantly I would think that the guided shell of the 57mm round will be better and a good guided round would be the best compensation for reduced ammo capacity.

    Of course it is hard to give a definitive response without knowing the actual performance of either round... though they do want new and the 57mm round is not new.

    Having said that a new 57mm round and gun would be useful for the Army, Navy and Air Force with guided shells revolutionising land and naval air defence and making air attacks using guns a lot safer too.


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    Re: Kurganets & Boomerang Discussions Thread #1

    Post  TR1 on Thu Feb 21, 2013 1:36 pm

    I will bet anyone here a nice pizza the IFV will not have a 57mm weapon.

    45mm at largest.

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    Re: Kurganets & Boomerang Discussions Thread #1

    Post  Zivo on Thu Feb 21, 2013 4:03 pm





    Second image, bottom left turret could hold 200-300 rounds if they made the magazine extend to the IFV's floor. Without the crew in the turret, ammo space becomes much larger.

    They've thought about it.

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    Re: Kurganets & Boomerang Discussions Thread #1

    Post  KomissarBojanchev on Fri Feb 22, 2013 1:05 am

    YEESS! So the MOD IS actually considering using the 57mm cannon on spme AFVs and not completely abandoning it to the weaker 45mm.

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    Re: Kurganets & Boomerang Discussions Thread #1

    Post  Zivo on Fri Feb 22, 2013 1:15 am

    The 45mm isn't exactly weaker, but it will have less HE capability. Guided munitions will also be less effective. The tradeoff is that telescopic 45mm would be easier for the auto loader to handle and would use more compact rounds, so more ammunition could be stored. The 57mm has good HE performance, but not much else. Sabots and guided munitions would have to be developed for both rounds.

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    Re: Kurganets & Boomerang Discussions Thread #1

    Post  GarryB on Fri Feb 22, 2013 4:03 pm

    It is not really about weak or strong rounds... they could go for a high velocity 90mm round if they wanted a powerful gun, but at the end of the day they want the weapon to perform a specific task... this weapon doesn't need to penetrate tanks at 2km from the front... it is for use against non-tank targets like IFVs and other vehicles, and also light aircraft.

    I rather suspect that if there is a 45mm round and a 57mm round in the running then for there to actually be a competition they both need to be able to do the job. The question then comes down to what added features do they add, and I suspect the 57mm round is hyping its guided shells, while I suspect the 45mm is hyping that it is a modern powerful compact round that can operate in a short compact gun mechanism, yet with potent HE and APFSDS rounds that will do the job.

    It is completely possible that both weapons might enter service with the 45mm gun on lighter vehicles and the 57mm gun on medium vehicles.

    It is also possible that they might decide the larger calibre is useful and to invest in a 57mm telescoped case round to be designed that combines the compact ammo and projectile capacity with the power and accuracy of a modern design plus the simple loading mechanism.

    In fact they might design a gun that can fire either a 57mm or a 45mm telescoped case round and use both...or they could go for a 60mm high velocity round and use neither.


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    Re: Kurganets & Boomerang Discussions Thread #1

    Post  AJ-47 on Sun Feb 24, 2013 11:15 pm



    There are some more pictures for this turret. This is the 57mm and this turret can replace old turrets.But by doing it you lose the APC and get a Fire Support Vehicle. So you will have APC with dismount soliders, and FSV with only 4-5 crew soldiers to support them.

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    Re: Kurganets & Boomerang Discussions Thread #1

    Post  Zivo on Mon Feb 25, 2013 1:56 am




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    Re: Kurganets & Boomerang Discussions Thread #1

    Post  AlfaT8 on Mon Feb 25, 2013 4:47 am

    Oook.....why does it look like a Stryker/Patria?? Suspect

    I was expecting more of a BTR shaping. cry


    Last edited by AlfaT8 on Mon Feb 25, 2013 5:12 am; edited 2 times in total

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