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    2S35 Koalitsiya-SV 152mm

    GarryB
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    2S35 Koalitsiya-SV 152mm - Page 5 Empty 2S35 Koalitsiya-SV (Coalition) has two 152-mm barrels

    Post  GarryB on Thu Jun 19, 2014 1:44 am

    The information I remember reading suggested they reduced the number of guns to one to make the turret slightly smaller so it would fit on air transport.

    Both guns in official line drawings had twin belt feed ammo supplies... presumably to allow different types of ammo to be fired at the flick of a switch.

    Note the Koalition turret is unmanned too.

    The dual feed picture is from the naval version which was developed together with the army version to reduce development costs... an excellent development on its own.

    I knew some forums had rejected it, but I never saw anything to the effect that they had.

    The fact that MSTA is a good gun already is likely a part of the problem, but joint development with the Navy suggests lots of investment and likely new technology went into these vehicles... I doubt they would cancel it outright unless it was a real dog.
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    Post  akd on Fri Aug 22, 2014 10:56 pm

    Said to be photo of 2S35 Koalitsiya-SV

    http://sd.uploads.ru/H29yn.jpg
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    Post  Vann7 on Sat Aug 23, 2014 10:03 am



    Zivo
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    Post  Zivo on Sat Aug 23, 2014 9:40 pm

    akd wrote:Said to be photo of 2S35 Koalitsiya-SV

    http://sd.uploads.ru/H29yn.jpg

    Looks like Koalition to me.

    It's kind of a strange framed photograph to have hanging up somewhere, due to the odd off-center position of the subject. The obvious censorship by cropping disappoints me.  Neutral
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    Post  Werewolf on Sat Aug 23, 2014 9:46 pm

    Zivo wrote:
    akd wrote:Said to be photo of 2S35 Koalitsiya-SV

    http://sd.uploads.ru/H29yn.jpg

    Looks like Koalition to me.

    It's kind of a strange framed photograph to have hanging up somewhere, due to the odd off-center position of the subject. The obvious censorship by cropping disappoints me.  Neutral

    That is a Panasonic TV, not a photograph.
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    Post  Zivo on Sat Aug 23, 2014 11:36 pm

    Werewolf wrote:
    Zivo wrote:
    akd wrote:Said to be photo of 2S35 Koalitsiya-SV

    http://sd.uploads.ru/H29yn.jpg

    Looks like Koalition to me.

    It's kind of a strange framed photograph to have hanging up somewhere, due to the odd off-center position of the subject. The obvious censorship by cropping disappoints me.  Neutral

    That is a Panasonic TV, not a photograph.

    The gaudy gold trim threw me off. Russians  Rolling Eyes
    TR1
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    2S35 Koalitsiya-SV 152mm - Page 5 Empty Any news on the chassis use for Koalition?

    Post  TR1 on Thu Oct 02, 2014 9:09 am

    Any news on the chassis use for Koalition?
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    Asf

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    Post  Asf on Thu Oct 02, 2014 9:17 am

    Any news on the chassis use for Koalition?

    Won't Koalition be on a unified platforms? I thought it isn't a question. Koalition is actually a weapon module, we've only partly involved in one of the chassis design (electrical part of the chassis design).
    Personally, I can't say is it reasonable to put Koatilition on, say, expensive Armata chassis. It is known one of the Koalition variant (for future light and/or medium brigades most likely) will be on Kamaz chassis, for example:

    2S35 Koalitsiya-SV 152mm - Page 5 Koalitsiya-sv_kamaz-6560.t
    KAMAZ now is 'unified' platform too as it seems all army trucks tends to be KAMAZ now. There can be cheaper 'Armata' chassis for numerous engineering vehicles, for example, which could be  used for artillery chassis as well.


    Last edited by Asf on Thu Oct 02, 2014 9:46 am; edited 1 time in total
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    Post  TR1 on Thu Oct 02, 2014 9:42 am

    Yes of course, but so far the glimpses of Koalition have seemed to indicate a modified T-90 chassis.
    Was wondering if there is any movement towards the new chassis being delivered to Burevestnik for modification.


    i think the KAMAZ chassis is a terrible idea personally.


    Last edited by TR1 on Thu Oct 02, 2014 9:51 am; edited 1 time in total
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    Post  Asf on Thu Oct 02, 2014 9:48 am

    a modified T-90 chassis.

    That would broke the idea of unified platforms, imho.


    Was wondering if there is any movement towards the new chassis being delivered to Burevestnik for modification.

    What do you mean? I think made it many times during design process, but we are not envolved in it, as we are side contractors working on initial data given.


    i think the KAMAZ chassis is a terrible idea personally.

    Test will show (or have arleady shown). Kamaz chassis have some benefits, e.g. weight, cost, repairability. It's like a towed gun, which shouldn't be dismounted before firing (reducing preparing time). 'Light' units always did have towed artillery (for example, many BTR-counted motor rifle divisions usually had several battalions of towed 122 mm and 152 mm howizers)
    GarryB
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    2S35 Koalitsiya-SV 152mm - Page 5 Empty Any news on the chassis use for Koalition?

    Post  GarryB on Fri Oct 03, 2014 10:06 am

    Indeed Trucks move much faster on modern roads and are cheaper to operate and simpler to maintain than tracked vehicles.

    I suspect the turret is a modular system that can be dropped into any suitable vehicle chassis or trailer.

    the Naval version will have under deck ammo handling and likely two barrels, but otherwise should be similar.
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    Post  George1 on Mon Nov 17, 2014 9:45 am

    2S35 Koalitsiya-SV 152mm - Page 5 Attachment
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    Post  chicken on Mon Nov 17, 2014 12:17 pm

    2S35 Koalitsiya-SV 152mm - Page 5 0TEtCBY

    The thing that probably stands out for me is the back portion of the hull.
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    Asf

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    Post  Asf on Mon Nov 17, 2014 1:42 pm

    George1 wrote:2S35 Koalitsiya-SV 152mm - Page 5 Attachment
    It's rather old photo.

    There will be no twin-barrel 'Koalitsia'
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    Post  magnumcromagnon on Mon Nov 17, 2014 2:32 pm

    Asf wrote:
    George1 wrote:2S35 Koalitsiya-SV 152mm - Page 5 Attachment
    It's rather old photo.

    There will be no twin-barrel 'Koalitsia'

    That's not accurate, the Koalition SPG is a joint project between the Russian Army and Navy. To say their won't be a twin barrel version is not actually true because a twin-barrel version will exist for the Ru Navy, it's actually more accurate to say their won't be a twin-barrel ground forces version.
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    Post  Werewolf on Mon Nov 17, 2014 4:39 pm

    To bad i hoped for ground forces Coalizia with two barrels and with the nickname Mammoth Tank.
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    Post  magnumcromagnon on Mon Nov 17, 2014 6:23 pm

    Werewolf wrote:To bad i hoped for ground forces Coalizia with two barrels and with the nickname Mammoth Tank.

    They're won't be a ground forces version of the twin-barrel Koalition, at least initially...according to what the so-called 'reports' (only time will tell how credible they are)  have said, but assuming the 'reports' are true, it's not entirely impossible that the first versions that will be delivered will be 'one' barreled, but later versions that are delivered post-2020 that are twin-barreled could be delivered if the Ru-Army finds the extra weight and complexity being out-weighed by it's usefulness. If a single barrel version is capable of landing 6-10 shells on simultaneous impact, with GLONASS-kits and with additional laser correction being emitted by UAV's, than twin-barrel versions may very well be able to do the same with 12-20 shells. If the twin-barrel Koaltion proves that it can guide 20 shells on simultaneous impact, than it can prove than it could diminish the need (by a reasonable extent) for the use of additional bunker buster bombs, because in all-likeliness firing 20 shells at a target will probably be cheaper than having a Su-34 doing the same job with 1 or 2 bunker-buster bombs. Additional glide-kits created for Koalition shells may extend the range beyond 70 km, and in to the 80, 90, or perhaps the 100 km range.
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    Post  Asf on Mon Nov 17, 2014 10:05 pm

    magnumcromagnon wrote:
    They're won't be a ground forces version of the twin-barrel Koalition, at least initially...according to what the so-called 'reports' (only time will tell how credible they are)  have said, but assuming the 'reports' are true, it's not entirely impossible that the first versions that will be delivered will be 'one' barreled, but later versions that are delivered post-2020 that are twin-barreled could be delivered if the Ru-Army finds the extra weight and complexity being out-weighed by it's usefulness. If a single barrel version is capable of landing 6-10 shells on simultaneous impact, with GLONASS-kits and with additional laser correction being emitted by UAV's, than twin-barrel versions may very well be able to do the same with 12-20 shells. If the twin-barrel Koaltion proves that it can guide 20 shells on simultaneous impact, than it can prove than it could diminish the need (by a reasonable extent) for the use of additional bunker buster bombs, because in all-likeliness firing 20 shells at a target will probably be cheaper than having a Su-34 doing the same job with 1 or 2 bunker-buster bombs. Additional glide-kits created for Koalition shells may extend the range beyond 70 km, and in to the 80, 90, or perhaps the 100 km range.
    Then I see no point in buying single-barrel version at all. Why not to produce twin-barrel version from the beginning?
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    Post  GarryB on Tue Nov 18, 2014 10:11 am

    Twin barrel version with twin belt autoloader was too big to fit in transport aircraft and in 2020 will likely still be too big.

    Size does not matter for the naval version of course because even the smallest destroyer wont fit in a transport aircraft...

    Having 6-8 shells land on target at one time means a battery of 8 vehicles can deliver 8 x 8 = 64 shells all at once to the target, which is 2.7 tons of steel and HE landing as one on the target... I think the target wont even feel a thing.
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    Post  Vann7 on Tue Nov 18, 2014 4:32 pm



    It will be nice if the two barrel version could each one be configured to hit not in the same place..
    with about ~20 meter distance if they desire , that will significantly allow the artillery to cover wider area about twice of it in about same time. But if both barrels hit nearly the same place it will be wasted ammo.. in the case it hits nothing or that is over kill for the target is seeking to destroy. A modern tank can be disabled with just one hit.
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    Post  magnumcromagnon on Tue Nov 18, 2014 6:57 pm

    Vann7 wrote:

    It will be nice if the two barrel version could each one be configured to hit not in the same place..
    with about ~20 meter distance if they desire  , that will significantly allow the artillery to cover wider area about twice of it in about same time. But if both barrels hit nearly the same place it will be  wasted ammo.. in the case it hits nothing or that is over kill for the target is seeking to destroy.  A modern tank can be disabled with just one hit.

    Why would it be a waste of ammo? Hardened bunkers are designed to withstand a hellish onslaught of damage, on the high end some bunkers (such as strategically hardened bunkers carrying ICBM's such as the SS-18) are designed to withstand 6000 PSi with ease, if the twi-barrel Koalition is capable of 20 shell simultaneous impact than a group of 10 twin-barreled Koalitons carrying 60 rounds each with a newer generation of bunker-piercing shells with GLONASS and glide-kits (with additional UAV laser correction), could make a mockery of tactical bunkers created by a fairly advanced insurgency (lets say it's sponsored by Ukraine or Georgia) that are hardened to 60 PSI. Plus the need and the worry for Koalition to guide shells 20 meters away is rather meaningless considering with GLONASS-kits, glide-kits, UAV laser correction could easily do that and not to mention a new generation HE-Frag munitions could (if not now already) make 20 meters well within it's 'lethal' radius against personnel, and the worry is baseless any way considering they'll be 'multiple' Koalitions in a unit capable of firing on different targets.
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    Post  magnumcromagnon on Tue Nov 18, 2014 7:21 pm

    GarryB wrote: Having 6-8 shells land on target at one time means a battery of 8 vehicles can deliver 8 x 8 = 64 shells all at once to the target, which is 2.7 tons of steel and HE landing as one on the target... I think the target wont even feel a thing.

    Garry what makes you think a single-barrel Koalition would be only to able squeeze a measly 6 (or 8 for that matter) shells for simultaneous impact? I know I mentioned 6 shells in a earlier post (I apologize that I misspoke), but let's think about this now, the Pzh 2000 is capable of 5 shell simultaneous impact with the unreliable human element loading the powder charges separately, and the Pzh 2000 had it's design roots from the mid-1980's, and it's finalized design ready by the the mid-1990's using older and less-efficient computers. Russia is a country with hands-down the most experience creating auto-loaders, so creating a fully automated loading system (eliminating the unreliable human element) for the single-barrel Koaliton, as well as newer, more powerful and efficient digital computers should 'easily' land 10 shells per target. For it's limit to be only 6 shells would be a big let-down if not a clear sign of under-achievement, and if there is a human operator loading powder charges separately, than it would defeat the purpose of the Armata chassis ( created to have a separate armored capsule designed to keep human operators away from highly-combustible ammo). A human operator loading powder charges separately would leave them outside the armored capsule (and the vehicle for that matter) and within close proximity of the thinly armored ammo storage area.
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    Post  GarryB on Wed Nov 19, 2014 4:20 am

    It will be nice if the two barrel version could each one be configured to hit not in the same place..

    The shells are guided... and there is no reason to even fire both barrels if the target doesn't require it.

    The two guns are there to increase the rate of fire, not to get two shells on target.


    with about ~20 meter distance if they desire , that will significantly allow the artillery to cover wider area about twice of it in about same time.

    If you want area coverage then use Smerch. The Koalition is for area targets and point targets. For area targets non guided shells could be used.

    But if both barrels hit nearly the same place it will be wasted ammo.. in the case it hits nothing or that is over kill for the target is seeking to destroy.

    Two shells hitting a building or bunker or wall will not be twice as effective but will be an improvement with regard to effect.

    A modern tank can be disabled with just one hit.

    probably true but two guided shells coming in at nearly the same time might improve the chances of penetrating APS system defences for example.

    If the target is a line of trenches then delayed fuses with the shells burying themselves in the ground near the trench before exploding would be devastating to the trench line... two shells even more so.

    Garry what makes you think a single-barrel Koalition would be only to able squeeze a measly 6 (or 8 for that matter) shells for simultaneous impact?

    Not many targets would justify more shells. An enemy unit caught in the open, 8 shells all using GLONASS guidance to space their detonation points with airbursts at say... 3 metres above the ground and a very large area becomes a killing ground.

    Just looking at video footage from Afghanistan with the British forces there and it is all open and exposed with very few places to hide or dig in... even just 4 x 40kg HE Frag shells would be devastating.

    A human operator loading powder charges separately would leave them outside the armored capsule (and the vehicle for that matter) and within close proximity of the thinly armored ammo storage area.

    There are no human charge loaders. The mechanism is fully automatic with a belt feed from each side loading shells and propellent charges.

    I agree, based on your premises that a higher rate of fire would be likely, but then an F-16 can carry a max payload of 7 tons. It is a question of need.

    I very much doubt a battery of Koalition vehicles would need to fire 20 rounds... the vast majority of the time it will be a few rounds to hit a few specific targets.

    Obviously when the targets location is not know exactly a salvo of dumb unguided shells might make a 20 round volley useful, but in such circumstances I think rocket artillery would be more effective.
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    Post  George1 on Tue Dec 23, 2014 10:26 pm

    2S35 Koalitsiya-SV 152mm - Page 5 2oqVHHflEuM

    Double barrel cannon testing for Koalitsiya-SV.
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    Post  collegeboy16 on Thu Dec 25, 2014 7:27 pm

    good, more dakka is always good Twisted Evil

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