Let’s talk some more about the 140 mm tank gun, that late cold war weapon that never was. Fiche technique du canon de 140 mm Mark III. New anti-tank gun had the main design features of the 2A19. Kyiv. There are also very real questions about how much the Kremlin can even afford to modernize its tank fleets, at all. Beyond tanks, various NATO members have been similarly looking to up-gun lighter armored vehicles to either better match or outrange their Russian counterparts, too. And then remember that Odermatt wrote for tungsten-based penetrators, and M829A1 is depleted uranium, so you’ll need to tweak it. Dimensions were fixed by the NATO countries that were all developing their own versions of the round. The length and weight of the 140 mm stand out. Related Videos. Nobody is armoring their tanks with a meter of rolled homogenous steel. 2,940. Rheinmetall's 130mm tank gun. KNDS said this tank was a technology demonstrator and meant to show off what the new multi-national conglomerate was capable of producing. Newer rounds are a little heavier, but the size is constrained by ammunition storage racks and the existing chambers. According to IMI who developed the 140mm round, it could penetrate back then roughly 1 meter of steel, and flew at a muzzle velocity of 1,800 meters per second. Canada Has Given Up Trying To Find A Good Home For Its Retired Leopard Tanks. It may become increasingly attractive then to go to a larger caliber, but shorter main gun instead, regardless of the design demands and logistical issues this might create in the process. Compare two Soviet Anti Tank guns The ZIS-2 was 57mm caliber while the ZIS-3 was a 76mm caliber. The up-gunned Leclerc has fired more than 200 rounds successfully and Nexter claims the weapon is 70 percent more effective than existing NATO-standard 120mm tank guns. Let’s take a look, because these numbers are damned hard to find: First, a typical 120 mm APFSDS round for the era, the American M829A1. Don't Forget To : Comment / Like / Share / Subscribe ThankYou ! Now, those are some really good numbers2. In your photos the Terminateur just received the experimental … Here's some figures about 140 mm tank gun ballistics that I don't understand. Nexter and German armored vehicle maker Krauss-Maffei Wegmann, which merged to form KMW+Nexter Defense Systems (KNDS) in 2015, did debut what they called European Main Battle Tank (EMBT) at the Eurosatory arms fair in 2018, but this vehicle featured a Leopard 2 hull with a standard Leclerc turret with a 120mm gun. Because of the large size of the 140 mm rounds, these were made as two-piece rounds. It’s worth noting that Rheinmetall’s experimental 130mm gun is shorter than its improved 120mm gun, but is more capable. After waiting 30 minutes there are two things you can do. Open source disclaimers apply, etc. Nexter has fit a 140 mm gun on a Leclerc main battle tank (MBT) to gather data for the Franco-German Main Ground Combat System (MGCS) programme to replace it and the Leopard 2, Jane's learned at the International Armoured Vehicles (IAV) 2019 conference held in London on 21-24 January. The new 130 mm gun is a precondition for the future tank, known as ‘Main Ground Combat System’ (MGCS) being developed by Germany. Click to share on Facebook (Opens in new window), Click to share on Twitter (Opens in new window), Click to share on Reddit (Opens in new window), Fishbreath Fabricates: Britains 4.7″ naval gun toy, Wednesday What We’re Reading (Dec. 9, 2020), Wednesday What We’re Reading (Dec. 2, 2020), Fishbreath Plays: Little Wars | The Soapbox. Based on the standards of the day, the 140 mm gun made more than twice the energy of the 120 mm at the muzzle. Lengthening the barrel is a relatively easy way to increase range and muzzle velocity, but creates new problems the longer it gets. As the 1990s began, Rheinmetall began developing a 140 mm smoothbore cannon as a future tank cannon. Calibre: 140 mm Portée maximale: 14 000 m Cadence de tir: 3 coups/min. A variety of guns were trialed for this purpose, including 130 millimeter, 140 millimeter, and 152 millimeter guns. Its tremendous combat power is due in large measure to its Rheinmetall L 55 main armament, which gives the Leopard 2 superior firepower even in long-range engagements. French defense company GIAT, which subsequently transformed into Nexter, first proposed mounting a 140mm gun onto the Leclerc back in 1996, four years after the … It depends by: 1. tank gun model? And now, the round to replace it. A longer barrel might require higher-pressure ammunition to ensure the shell reaches a consistent peak speed before leaving the muzzle, which would put more strain on the entire gun. Interestingly, the round count in the Black Panther matches those for the M1-CATTB prototype, which had a similar, belt-style autoloader in its bustle. France and Germany are both members of NATO and this could potentially cause problems with the alliance’s standardization and interoperability requirements. This also would affect a design using a carousel autoloader like the TTB, since carousel (and therefore hull) height and turret height are constrained by the requirement to lift and rotate the rounds into position. Each shell weighs more and takes up more space, requiring more effort to deliver the same amount of ammunition to units in the field. I imagine today we can get the same results with a 130mm gun. The 2A82M-1M is apparently sized to fit in the same space in a turret as the older, Soviet-era 2A46 125mm gun, meaning that it could potentially be an upgrade option for Russia’s existing designs, such as the T-90. Don’t worry, we’ll talk about the CATTB in a future article. So the RHAe numbers don’t actually tell the whole story on either side of the design puzzle. Producing 23 MJ at the muzzle, more than double that of the 120mm. It is unclear if the Leclerc configuration that Jane’s is referring to is materially different from the one that first emerged in 2016. So far, though, none of these Russian or Chinese efforts have led to an actual operational design. The fastest way to get more armor penetration is to just build a bigger gun with more muzzle energy. Since then, additional images of the tank, now wearing a hard-edged tan-green camouflage scheme known as Scorpion have also appeared online. The turret was cast and armed with a 100 mm D-54TS tank gun with the Molniya two-plane stabilization system. 120 mm rounds are continuing to get more development and the latest are quite a bit more effective than the M829A1. The end of the Cold War and a reduced emphasis on conventional ground operations also played a part in the death of those programs. There’s some variation in this estimation depending on source. "CCTV 7(Chinese Central Television 7) report “The Chinese claim the gun has 3 times the KE of a 120mm American tank gun. We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com and affiliated sites. Contact the author: email@example.com. Bigger rounds have second-order logistical impacts, as well. As you might imagine, a 140 mm round is quite a bit bigger than a 120mm round. 7.62 mm coaxial PKT machine gun 12.7 mm NSVT heavy machine gun: Engine: А-85-2 diesel engine 1200 hp: Object 187 (Объект 187) was a Soviet experimental main battle tank developed between the late 1980s and middle 1990s. That service is also looking to replace its tracked Bradley Fighting Vehicles and its 25mm main gun with a new design that might come armed with a 50mm cannon. The Leopard 2 is the world’s top-performing tank, the most widely used weapons system in its class. There has already been a broad level of renewed interest in the potential of larger caliber main guns for tanks across NATO since 2014, when Russia seized of Ukraine’s Crimean Peninsula and subsequent began actively supporting for separatists in that country. The legendary Silver Bullet that slaughtered the tanks of Saddam’s Republican Guard. A lot more. Which is still big and annoying for autoloader development. 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