why do tanks use smooth bore guns

But a battleship's 2000 to 3000 pound, 6 . So, at the beginning I spoke why overmatching isn't as important for todays tanks as it were for tanks of the second world war. You get more shots with a smooth bore as a general rule (less thermal stress) and this also makes it less complicated to maintain your desired accuracy. So this missile can be fired from rifled and smoothbore guns. "BB only guns" use a smooth bore barrel much . Also wrong. Rifling twist in Artillery cannons | Long Range Hunting Forum The bore evacuator reduces the risk of propellant gases entering the crew compartment, allowing a greater rate of fire. Quick Answer: Railgun How It Works - SeniorCare2Share Modern APFSDS, generally considered the most accurate and longest ranged of NATO AP ammunition, are more accurate when fired from a smoothbore tank gun than a rifled one. The Russian navy conducted experiments with large-caliber smoothbore naval guns, which were halted by budget cuts. The M1 Abrams is fitted with an M2564. The AMX-30 ACRA is arriving in War Thunder with update 1.93 as one of the rank VI tanks in the French tech tree. The L11A5 is also rifled, the spin imparted on the projectile would have provided better accuracy at range as opposed to a smooth bore gun. The rifling begins at the forcing cone and continues to the muzzle. A smooth bore has no lands and grooves. The majority of modern tanks are fitted with smoothbore guns, which do not utilise rifled barrels in order to impart spin to projectiles as they are fired (see Annex B). When to use rifled barrels. A tank gun is the main armament of a tank.Modern tank guns are large-caliber high-velocity guns, capable of firing kinetic energy penetrators, high explosive anti-tank, and cannon-launched guided projectiles.Anti-aircraft guns can also be mounted to tanks.. As the tank's primary armament, they are almost always employed in a direct fire mode to defeat a variety of ground targets at all ranges . Answer (1 of 34): The answer to this question is all about ammunition choices. Rheinmetall's L/44 tank gun has a caliber of 120 mm, and a length of 44 calibers (5.28 meters (17.3 ft)). Smooth bore tank rounds have fins. It's because the rounds the Abrams and other MBTs fire use fins to stabilise instead of rifling and spinning the physical round. The M1's main weapon is a 120-mm smoothbore cannon. Here at the gun shop, we tell folks that if you're planning on taking shots over 100 yards, then a rifled . Post Feb 25, 2019 #19 2019-02-25T16:21. A 130mm or 140mm also obviously wouldn't be able to use existing stockpiles of 120mm ammunition and wouldn't have ammunition interchangeable with other tanks still using the smaller guns. Posted June 4, 2014. The 115mm rounds were fin-stabilized for accuracy . #2. The bore evacuator and the gun's thermal sleeve, designed to regulate the temperature of . Compared to battleship main battery barrels from 12 to 16 inch bores with a 1 in 20 to 1 in 25, they're pretty fast. Here, a loader expertly queues up a round capable of melting through an enemy tank's armor. Field artillery barrels had about the same twist. Firearms (e.g., pistols, rifles, tank guns etc.) CO2 paintball air tanks are suitable for use with mechanically-triggered paintball guns, like those in the popular lines from Tippmann, Spyder, and the Battle Tested BT-4, Delta and Omega models. Carrying HEs with delayed fuze capability should be good enough for everything up to an IFV with KEs being used against . This is referred to as rifling. A tank has 3 major components-Armament,Mobility and Protection.Kanchan composite armour gives requisite protection for Arjun tank as expected from 3rd generation Tanks.Hydropneumatic suspension and German MTU engine cover sufficient performance in Mobility department.Armament is the major unsatisfied area as expected from a 55 ton weighted tank. 9 miles and is built with stabilizers allowing the gun to remain locked on to its target regardless of the terrain. Army chiefs have unveiled a new 66-ton battle tank, the Challenger 3, and reveal it is the most lethal in NATO. With APFSDS (Armor Piercing Fin Stabilized Discardable Sabot) - the actual projectile . This trend only continued to progress during the Cold War era, and the tank destroyer went out of business. Pronouncing the 90 greatest albums of the '90s is a somewhat presumptuous thing to do. Most tank's main gun barrels were rifled with a 1 in 15 to 1 in 20 calibers. Not all other militaries use smooth bore tank guns. What does this have anything to do with the point that something like the Abrams is too overpowered for this game? Todays tanks use APFSDS ammunition, or amour piercing fin stabilized discarding sabot. The British still uses a 120mm rifled gun. A recoilless rifle (RCLR) or recoilless gun is a type of lightweight tube artillery that is designed to allow some of the propellant gases to escape out the rear of the weapon at the moment of ignition, creating forward thrust that counteracts some of the weapon's recoil. A tank gun is the main armament of a tank. Choice of 120 mm Rifled barrel was major . The first tank with a smoothbore gun was the Soviet T-62, introduced into service in 1961. Tank guns generally use self-contained ammunition, allowing rapid loading (or use of an autoloader). The disadvantage of the rifled gun is maintenance. 7 inch smooth bore main gun. The new gun is an advanced generation of the gun developed for the Merkava 3. The M60A3 is equipped with a 105mm Rifled Gun, which is less effective than the 120mm Smooth Bore Gun of the M1A1 Abrams. Like with any armored unit, their success depends partly on the hardware and partly on the crew. The M1's primary weapon is a 120-mm M256 smoothbore cannon made by the German company Rheinmetall Landsysteme GmbH. Tuck it next to the seat of your tractor or riding mower and have it at the ready for when something slithers into view through the grass, dispatch those barn-dwelling birds without dispatching the barn around them, or exterminate the mice that are turning your garden . rifled tank guns were prevalent until the 1960's. rifled barrels provide greater ballistic accuracy but suffer from rifle/tube wear after time. Steve Crandell wrote: Our engines have 500 gallon tanks on two of our newer engines which are 1000 gallon tanks they use a combo strait fog nozzle. Sabots actually are called "Armor Piercing, Fin Stabilized, Discarding Sabot " in their full nomenclature, but HEAT, MPAT, HE, etc, etc all have some sort of fin array at the back of the round. See Figure 5B9 B. When you're measuring the music this decade is offering to history—the sounds we partied with, copulated to, fought . Since these casings were originally made of wood, these projectiles were known as "Sabo" rounds, after the wooden shoes once worn in . The PT-76 is a somewhat cost-effective tank. The Henry Garden Gun is one that belongs right by your side as soon as you walk out the front door to start the day's chores. Though weaker than the latter, the M60A3's gun is strong enough to combat ground units other than Heavy Tanks. The concentrated firepower and accuracy of a rifle-fired projectile makes it an effective long-range weapon. Therefore, there is no need for rifling to stabilise the round, which is done by the fins instead. This ammunition is sub calibre. It is truly an awesome tank, especially once the commander's site is/was upgraded. Command tanks have K added to their designation for komandirskiy, "command", for example T-72K is the command version of the basic T-72. Tanks were no longer reserved for infantry support, and began to increasingly take over anti-tank roles, represented by the long-barreled guns they began to take carry. Answer (1 of 4): Rifling reduces the velocity of the projectile. consist of a number of helical grooves on the internal surface of their barrel (bore). Steve Crandell wrote: Specifically for them HESH: High Explosive Squash Head. An air compressor is a device that creates a high-pressure region for storing compressed air. Despite its size, the 1300 kW* Turbine engine gives it nominal battle speed in all terrain conditions. M1 Weapons. Then, at the user's command, this compressed air is released. 6m. He slides open the. The deck gun might be a regional term, I have also heard it called the monitor, or the "Stang", but we are talking about the engine mounted master stream. A person would use a rifled barrel if they are looking at shooting longer distances. "Smoothbore" means the inside of the barrel is smooth, rather than rifled like most hand guns. The M60A3 can fire standard Armor Piercing rounds as well as White Phosphorous Rounds. The improved 120mm smooth-bore gun has been developed by Israel Military Industries. A person would use a rifled barrel if they are looking at shooting longer distances. The Israeli Lahat missile is integrated into 105mm rifled guns as well as the Indian 120mm rifled gun. LetMeEatCake666, on 29 January 2017 - 08:41 AM, said . In addition to shooting shot, you can also shoot slugs out of a smooth bore barrel. Hunters typically use rifles for long-range shooting, often to bring down deer, bear, elk or other large game animals. Speaking to Forces TV here, the Minister made clear that the announcements will be made at the beginning of 2021.. Stowage - The rim diameter at the base of the 105mm gun cartridge case is 4. . Not all other militaries use smooth bore tank guns. Soon other weapons such as the 120 mm T123E1 gun and later the lighter-weight T123E6 gun, a modified British 120 mm gun, variants of the smooth-bores, and other exotic weapons were proposed. Whether using a rifled or smooth bore, a good fit was needed to seal the bore and provide the best possible accuracy from the gun. Rifled tank gun barrels are still used by the British and Indian Armies, I believe all others use smoothbore now. The bore refers to the hole in the gun barrel thru which the projectile (bullet) passes. This allows for the elimination of much of the heavy and bulky recoiling mechanisms of a conventional cannon while still . It's a bit like a violently launched murder dart than a conventional shell in that regard. Smoothbore guns like the Rheinmetall 120mm L/44 gun could fire APFSDS (Armour Piercing Fin-stabilised Discarding Sabot rounds), guided missiles (like LAHAT) and M1028 canister rounds (an anti-infantry "shotgun" round. Most engine mounted master streams, fog, or a stack of smooth bore tips have a flow range of 500 to 1000 GPM. Most of our engines run a smooth bore on our engines. That is why. Its sophisticated Fire-Control System allows the asynchronous operation of both rifled cannons while traveling at its top speed, against targets over a kilometer . Today all main battle tanks field them except the British Challenger 2 and Indian Arjun MBT. The M1 Abrams sports a 120 mm smooth-bore cannon capable of firing a variety of rounds. While I do not currently own a dedicated, rifled slug barrel, I reasoned that since both slugs are nose-heavy, they would fly true out of a smooth bore gun or a smooth bore gun with a rifled choke . 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