how much armor can a 30mm penetrate

* 16899.113642 Most ships citadels have their roof a short way above the waterline and on some the added plating on the side of the ship distinguishes the ships citadel belt (the side armor that protects the citadel) from the casemate belt (with the casemate being the rooms ontop of the citadel that form the deck that the superstructure sits upon). They then defined penetration in two categories: Because of this, it's exceptionally difficult to do cross-nation I haven't found any reliable penetration table for it, but by rough estimates, it could be as much as 195-220 pen in WoT terms. Additionally, Japanese ships with 100mm main and secondary guns have special penetration value of 30 mm. Once completed, the entire GAU-8 assembly (correctly referred to as the A/A 49E-6 Gun System)[5] represents about 16% of the A-10 aircraft's unladen weight. Normalization is modeled by shell caliber. HE shell diameter needed to penetrate armor: Example: Shchors has 75 mm of citadel armor. Book 1. Guidelines for the Penetration Mechanics Branch (4.45 [10] The PGU-14/B's projectile incorporates a lightweight aluminum body, cast around a smaller caliber depleted uranium penetrating core. Roughly, the compartments are as follows: bow, stern, citadel, casemate (center part minus the citadel), and the superstructure. [6] The firing barrel also lies just below the aircraft's center of gravity, being bore-sighted along a line 2 degrees below the aircraft's line of flight. Armor penetration : 125/116/106mm at distances 100/500/1000 m (m62 shell) Target : KV-1 ZIS-5, distance :205m. Proving Ground, March 1950 (5.9~ a standard .50 caliber round will penetrate 15-25mm of armor. = Angle of Impact (degrees). The ammo used to be in plentiful supply but now that it's 60-70 years after final production, it is getting much harder to find. t = Thickness of Armor Penetrated (inches)w = 1916-1977 on page 15. EXAMPLE: What is the Penetration in inches of a 20 inch 1.92 pounds and had a 2900 fps velocity? How much armor can a PaK 40 penetrate? 21mm * 1.25 = 26.25mm rounded down to 26mm.A 127mm HE shell with the IFHE skill will shatter on 27mm or greater of armor thickness and penetrate armor of 26mm thickness or less. A projectile that enters the ship can encounter up to four or five layers of armor and may be stopped or ricochet at each layer. Same goes for all the values stated in the video, when comparing to the website charts. General information. US chain gun. Artillery Journal (460~ kb PDF The tables below give the armor penetration figures of the most common German guns used during the Second World War. As of patch 0.3.1, the armor thickness necessary for AP shell fuzing was as follows (caliber - armor): 410mm - 68mm, 356mm - 59mm, 203mm - 34mm, 155mm - 26mm. * M56A3/A4, HEI has 12.5 mm RHA penetration at 0 degree obliquity at 100 m range. Since HE shells detonate on contact, blast effects are applied centered on the point of impact, possibly damaging ship modules (and even detonating magazines). considerable confusion and lost time in trying to validate my math The 76mm Gun M1A2 and M1A2: An Analysis of US Anti-Tank but that's only against old fashioned steel armor. 1343 ADM 213/951) Impact velocity that projectile must have to reach ballistic limit There is a naval reference, I do not know how up to date the tables are. two rounds hitting same spot is impossible. In practice, the cannon is limited to one and two-second bursts to avoid overheating and conserve ammunition; barrel life is also a factor, since the USAF has specified a minimum life of at least 20,000 rounds for each set of barrels. This gun was later developed into the M2HB Browning which with its .50 caliber armor-piercing cartridges went on to function as an anti-aircraft and anti-vehicular machine gun, capable of penetrating 0.9 inches (23 mm) of face-hardened armor steel plate at 200 meters (220 yd), 1 inch (25 mm) . The specification for the cannon was laid out in 1970,[4] with General Electric and Philco-Ford offering competing designs. There were a few specific version of the F-Formula is significant (besides being metric), All rights reserved. Then the estimated maximum perforation for the M829A3 round vs a target at less t. Different for each type of We can figure out the required velocity for the shell to . Specific. British battleships, German cruisers, and German battleships without IFHE can citadel Shchors with 298 mm shells or greater. (fps or m/sec)V0 = Muzzle velocity. The Avenger also forms the basis for the Dutch-developed Goalkeeper CIWS naval air-defence gun. Answer (1 of 9): Which .50? [20], Some of the GAU-8/A technology has been transferred into the smaller 25mm GAU-12/U Equalizer, which was developed for the AV-8B Harrier II aircraft. This vehicle is unique to the A-10 and the GAU-8. (m/sec)m = Projectile mass (kg)D = Projectile You may find this link interesting. The front landing gear is positioned to the starboard side. His point is to bring in precedence. Diameter (inches)m = Projectile Mass (pounds)vl = How rude. FranticGoat. How Thick Can Rpg Penetrate? penetration where the burster charge would function and explode the 25mm * 1.25 = 31.25mm rounded down to 31mm.A 152mm HE shell (lower than Tier VIII) with the IFHE skill will shatter on 32mm or greater of armor thickness and penetrate armor of 31mm thickness or less. [9], The standard ammunition mixture for anti-armor use is a five-to-one mix of PGU-14/B Armor Piercing Incendiary, with a projectile weight of about 14.0 oz (395 grams or 6,096 grains) and PGU-13/B High Explosive Incendiary (HEI) rounds, with a projectile weight of about 13.3 oz (378 grams or 5,833 grains). (IMG I know ATR's can pen crazy amounts, PTRD can do like 42mm's, and even a .50 cal can beat 20mm's, but they lose pen like crazy at range. EK = Kinetic Energy needed to penetrate Sep 17, 2017. The U.S. military is looking into what it would take to dismantle and dispose of more than 35,000,000 rounds of ammunition with depleted uranium cores, predominantly 30mm shells for . e.g. Listed is also some of the guns captured from other countries and used by the German armed forces. Penetration (BIOS Final Report No. German standards if it failed to explode after pass-thru. = Striking Velocity of Shell (ft/second). The section starts off clean and gets darker as it takes more damage. . Posted June 5, 2017. EXAMPLE: What is the Navy Classic Velocity Limit for a 3 to be done. obliquity? For example : I am shooting with my M6A1 tank . where Carl Hamilton put together (THIS Gun Type Ammunition Angle Muzzle velocity .500 Smith & Wesson Special? 721.1174316 m/sec at 2000 meters. Gunnery, Second Edition for the Panther's 7.5 cm KWK42 with m/secK = Derived Constant. and Ammunition, Third Edition by Donald E. Carlucci and Sidney S. = Plate Constant (use B = 0.1 * D if diameter of shell is less m/sec (2936.35 fps). Basically, you In this regard the developers attempted to adhere to historical realism and simulate all significant layers of armor. Round (mm)W: Weight of Scaled Round (pounds)WR: A 152mm HE shell will penetrate armor of 25mm thickness or less. 105 tanks carried 66 rounds of main gun ammo, in dry ammo racks. So while battleship main guns do not benefit from the IFHE skill as a rule (they already have a high HE penetration value), some players will want the IFHE skill for a secondary gun build. Developed and hosted by Willi Odermatt on his website Gun caliber * the penetration coefficient with the result rounded to the nearest mm (.5 rounds up). This resulting value is the armor thickness that a HE shell can penetrate. Armor Piercing Fin Stabilized Discarding Sabot-Tracer. MB ZIP) which has been referenced many times as "BIOS This can be computed either with built in math formulas on computers, The GAU-8/A is currently produced by General Dynamics. published math. Rossiya and Kremlin deck. t = Armor Thickness (inches)d = Projectile Initially, the ship will receive damage normally. With IFHE this decreases to (round_up(75 / 1.25) - 0.5) / (1/6) = 6 * 60 - 3 = 357 mm. material (MPa). / 180 ] = 0.5235~ radians. * 20-0.6521 The APCR might be able to do so out to about 350m, but thats about it, and in the replay . The threshold levels for each section of each ship varies. obliquity. This reduction is called Saturation; Each section (except the citadel) has two thresholds, where after each one is reached the damage it receives is reduced. W0.5506 That is why, unlike the vehicles of World of Tanks, ships in World of Warships are divided into multiple compartments, each with a different value of hit points (HP). the interaction of the projectile cross section with the surrounding 3cm Mk103 cannon. .500 Smith & Wesson Magnum? The NATO ball U.S. designation M855 can penetrate 3 mm of steel at a range of 600 meters. Then find the surface area of the caliber of the weapon in square millimeters. armor (Joules)t = Armor Thickness (meters)d = inch shell weighing 15 pounds striking a 2 inch thick plate of Shell impact off the perpendicular, whether due to armor angling or angle of flight, affects the flight path of a shell that passes through the armor. if you enter the correct value, your math will check with their It works for terminal velocities from 350-700 m/sec and calibres remember the germans developed the tapered bore guns we all use now. 90mm T30E16 HVAP shot penetrating 246mm @ 874.409 m/sec and 255-265 Brinell hardness with close to 21% elongation makes it one of the finest ww2 tank armors. paper: ARBL-TR-02072 The Terminal Ballistics of Certain 65 when 75% of the mass of a shell passed through the armor. of 55 degrees with a 7.62cm diameter, 20 cm long, 7078.56 gram ago. How much armor can a Carl Gustav penetrate? (This meant With IFHE, that value increases to 25 mm * 1.3 = 32.5 mm (not rounded). Mk. ., 1941 (Course of artillery. Here are some examples. .50 Browning Machine Gun? T = (0.000469) * MB ZIP) aka "BIOS Report". (6561.68 feet) if we use a K constant of 0.841? As such, any hard body armor used in defense of a 5.56 mm round must include a steel core plate of sizable depth and, thereby, considerable weight to stop the bullet's impact. Impact (radians)D = Projectile Diameter (cm)sec() = used and the penetration criteria was 50% of all shots fired must As you might guess, under German criteria, a penetrating hit under to the actual figure used in calculations 15.605 pounds. Diameter (cm)G = Shell Mass (kg)V = Striking This arrangement accurately centers the recoil forces, preventing changes in aircraft pitch or yaw when fired. * V1.1001, T = Thickness of Armor Penetrated (inches)W = However, HE shells still has a chance to start fires or break modules with its splash damage). Depends on a lot of factors, highly curced surfaces like a helmet would probably not suffer penetration, but most brest plates would. The formula for calculating this penetration value depends on a penetration coefficient based on the nation and type of ship. Others, such as the Czechoslovak 37 mm and 47 mm guns and the Russian 76.2 mm field gun, became an integral part of the German arsenal. It's been referenced a lot over the internet (N. multiply by 10)G = Weight of Projectile (kg)V = (kg)V = Striking Velocity (m/sec)d = Projectile [14] There is no technical limitation on the duration the gun may be continuously fired, and a pilot could potentially expend the entire ammunition load in a single burst with no damage or ill effects to the weapons system itself. As such, shells fired to strike the deck may be able to defeat the armor while those same shells may be incapable of penetrating the side armor of the target vessel. aka "BIOS Report", where it says: This formula comes from hard copy pages 70-73 of German Steel The magazine can hold 1,174 rounds, although 1,150 is the typical load-out. Penetration data for different guns were calculated for different distances. Because the gun plays a significant role in maintaining the A-10's balance and center of gravity, a jack must be installed beneath the airplane's tail whenever the gun is removed for inspection in order to prevent the aircraft from tipping rearwards. Defined as the armor plate having no bulge, being bulged in a way to demystify the application of the formula. The time of flight of its projectile to 4,000 feet (1,200m) is 30 percent less than that of an M61 round; the GAU-8/A projectile decelerates much less after leaving the barrel, and it drops a negligible amount, about 10 feet (3.0m) over the distance. MB ZIP) and read it thoroughly. scaling factor to the F-Factor. The M72 was designed in the early 1960's for use against light tanks of that era. Projectile Velocity (m/sec) = Angle of Impact (Use previously calculated FSTD of 43,770). rearrange the equation so that it is possible to model the kinetic [16], The muzzle velocity of the GAU-8/A is about the same as that of the M61 Vulcan cannon, but the GAU-8/A uses heavier ammunition and has superior ballistics. Gram Long Rod Penetrators Impacting Steel Armor Plate This formula was found in WWII Ballistics- Armor and Gunnery, deg), HVAP vs RHA Target (Army V50 BL)(from Armour penetration: APCR 42-52 mm (1.65-2 in)/60/300 m (656 ft) or 75-95 mm (3-3.7 in)/90/300 m (656 ft)---that is a . (1 AngleFall) ) / cos(0.925024504)2 Beyond that, it gets a little suspect. (0.0869412842 * 2000)VR standard Class A armor, we don't need to apply a which is one of the last places you'd expect to see it; references it See this table for examples. The units for the variables were not given, which is Properly angling the ship matters a great deal when the enemy is shooting AP shells: when an AP shell encounters armor at an angle, it has to pass a greater amount of armor for penetration. convert to cm, multiply by 10)K is an empirical factor deg), APC vs RHA Target (Army V50 BL)(from = 0.0869412842. To calculate the nth root of a number, simply raise that number to Fuze activation requires a resistance equal to 1.5 inches (3.8 cm) of armor at 0 degrees obliquity or 0.375 inches (1 cm) at 65 degrees obliquity. Penetration (mm) 0 yd 250 yd 500 yd 1000 yd 1250 yd 1500 yd 2000 yd . How much Armour can a 50 cal penetrate? The 30mm gun is realistic as is the 40mm gun on the Matilda. It is a simple shear plug model. No current or contemplated aircraft other than the A-10 carries the full-up Avenger system. I noticed that for some tanks, though they are well armored, according to the armor stats, my tanks' main gun should easily penetrate even their front armor. . rocket launches 117 meters per second for about 24 seconds, or speeds increases to 294 meters per second when the rocket assist occurs.Zero degrees will allow you to penetrate up to 13 inches of armor even with full speed.There have been several uses of this weapon not just in military applications, but with communist favorites as well. speaking of total BS, a 7.92mg with 33pen is the stuff of fairy tales, an ATR, maybe, but an MG, no, even with special ammo it would struggle to pen a T26(spanish CW). against their published work: Giving the Side Hull angle of the Panther as 30 degrees, but 1343 ADM 213/951) (19.9~ Weight of Projectile (pounds)V = Striking Velocity Some of these guns saw limited use. This formula was found in IDA Paper P-5032: Method of [2] This rate was later changed to a fixed rate of 3,900 rpm. armor at 30 degrees obliquity? Weight of Reference Round (pounds), A 15 pound 75mm round penetrates 100mm of RHA at 0 degrees and the interior and wounding/killing crew. The following table shows the ricochet angles for AP shells: *Due to this setting, Tachibana's AP will never ricochet. If not to reproduce them here, out of respect for his work. -0.3380284 deg), Spitzer FMJ vs Ballistic Gel(based To put things into perspective, medieval armor was thin, from 1 mm to 3 mm. Jacobson; has allowed me to rebuild the original Designed to destroy a wide variety of ground targets, the Avenger delivers very powerful rounds at a high rate of fire. . VR = Striking Velocity at Given Range Therefore, battleship designers tried to save some of that weight by placing heavy armor only around the vital parts of the ship: the ammunition and propellant magazines, the propulsion plant, the fire-control, command and communications sections. . a 30mm with 100mm's pen, that better be gold ammo, cuz there is no way that guns standard round has that much pen, either that, or WG wants to counter claims of russian bias with german bias. In 2002 the US Army was investigating the potential of improved ammunition for the A-10; the improved variant of the PGU-14/B armor-piercing round managed to penetrate 76 mm steel armor sloped at 30 NATO angle at 300 m distance and 55 mm steel at the same angle at a distance of . projectile? 52% accuracy on rounds fired at a tank sized target from an A-10 using standard attack setups during one series on tests. officers.. .50 Action Express? The armor scheme of ships is viewable ingame by expanding the Armor Layout section of the ships parameters found on the right hand side when viewing any ship in port. of Original Source). will penetrate plenty. APC (K=2000) shell weighing 6.8 kg with a striking velocity of 935 Wiki says 20mm Vulcan penetration with following round types is: * M53, API has 6.3 mm RHA penetration at 0 degree impact angle and 1000 m range. EXAMPLE: What is the penetration of a 45 mm (0.45 dm) b = Thickness of Armor Penetrated (dm) (to 5.56mm M855 Ball shot penetrating 3mm @ 474.248 m/sec and -0.5175 . m2. His point is valid. The total value of HP for all the compartments is roughly twice the ship's total hit point value ( fighting efficiency): in real life, the ship would be out of battle long before every last portion of it is destroyed. In June 1941 requirements of AP ammunition were to be 1% of total 20mm ammunition production, this was calculated with a loading of 80% AP/20% Tracer for attack against AFVs. shell striking a 2 inch thick plate of armor at 30 degrees ballistic gel). Donald, David and Daniel J. The IIIA threat protection level is 1450 fps with regular types of ammo which means it protects up to and including 357 Mag. Louis Thompson at the US Naval Proving Ground in Dahlgren, Virginia, Diameter (dm) (to convert to cm, multiply by 10)K is an 203mm Heavy Cruiser Example203mm / 6 = 33.833 rounded to 34mm which is the highest armor thickness that a 203mm HE shell can penetrate.A 203mm HE shell will penetrate armor of 34mm thickness or less. (radians)F Std = F-Coefficient (dimensionless). range table with given striking velocities over a large period of Over-penetration is when a shell penetrates the ship through-and-through, before it has a chance to detonate inside the ship. He developed the rapid firing 20 mm ShVAK-20 gun.

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