Yamato armor penetration test. Shinano never got her guns and was completed as a carrier. Yamato armor penetration test

 
 Shinano never got her guns and was completed as a carrierYamato armor penetration test  One of the variants had a conventional superfiring arrangement

Premium Tier VIII French battleship Flandre carries nine 380 mm guns with the same good velocity and high AP penetration as other French battleships. Yes, I know that the U. Armor penetration (sometimes abbreviated ArP or called armor pen) is a value appearing on many talents and abilities that indicates the percentage of armor that will be ignored by an attack. . Thus, with IFHE it would take at least a 33 mm plate to shatter her shells, while armor of 32 mm or thinner would be penetrated. Types of Penetration Testing. . the test was performed very close and at a straight 90 degree angle, but what basically everyone forgets is that the charge behind the shell was lowered to give the shell the same energy it would have had at range. The W. The Yamato armor deck above the citadel (230mm-200mm) was designed to withstand 1000lb bombs. -Strong. AT Ace Oct 22, 2022 @ 12:39pm. World of Warships 0. About review bombing. She would be vulnerable at the ranges where Kirishima was engaged. 13 Dec 1943. 1") cannons used on the Yamato class were the most powerful guns ever installed on a battleship. 1 and Barbette No. However, the minimum thickness of standard KC-type cemented and decrementally-hardened Class "A" armor - face hardness dropped in two or more steps or smooth curves from the face surface to the soft back layer–was either 4" in 4-6" tapered cruiser belt plates (lower edge) or 5". -High armor. Thus, any armor plate of 25 mm or thicker will shatter her shells, while armor of 24 mm or thinner will be penetrated. Top. She will earn a large number of credits, not uncommonly earning at least 1 million credits with the right. Yamato battleship gun: 46 cm/45 Type 94 naval gun muzzle velocity - 780 m/s 650 m/s refers to a distance of approximately 8. The usual armament was a 2 cm automatic gun and an MG 34. I was driving my iowa today, and I was turning outwards when an enemy Yamato shooted me. The projectile in the armor plating is also missing these. Almost every ship, tank, space craft, and airship is made out of this as the next best material, heavy armor, is impractical to build entire craft with in cost and weight. 75" of US armor at best - and more likely the equivelent of only about 6-7" against a 16" shell. Now that we have learned what an Immunity Zone is and how it applies to warship’s armor, let us examine how Immunity Zones apply to World of Warships. It was like a tactical nuclear weapon going off. So I wanted to see how long it took for a tier 8 cruiser to kill a Yamato with AP shells. STRIKING VELOCITY: 1992 feet/second (607. Reload time - 30. 7mm rounds in the. Yamato was designed around the idea that an individual ship could have superiority over any battleship of a potential enemy. Rossiya and Kremlin deck 357 285 297. 1"/45, which in turn has superior short range penetration charackteristics than 15"/52 and 16"/50. It's hard to actually put technological differences between countries into a video game. The armor is on display at the US Navy Museum. These guns overmatch 32mm armor which allows the Yamato to punch through the bows of every battleship in the game except for the GK. Wave after wave of U. Yoshino can best be described as a sort of "hybrid" between the Tier. A citadel penetration will yield 14,800. APC No. Based on the information in the references (Department of Defense Test,, US Army,, US Army Test,), this chapter describes the results of the ballistic armor test conducted on the major hull materials (AH36 steel plate, AL5083) used in the construction of the latest vessels. Stage Two: Exploitation —Using the information from stage one, testing experts combine information obtained during evaluation with any. -Strong. 8. " This is one of the test Projectiles made in 1923 for experimenting with the original 18"/48 (45. The invasion of Okinawa began on April 1, 1945. Many formulae were for normal impact only or used a separate table/graph to handle oblique impact and had no COS (Ob) term or sometimes C was combined with the COS (Ob) term to give a C. Business, Economics, and Finance. An old GE video of the GAU8 on a test range shows the effect of follow up rounds hitting the crater made by their predecessors, and basically chewing their way through. Almost every ship, tank, space craft, and airship is made out of this as the next best material, heavy armor, is impractical to build entire craft with in cost and weight. The armor, weighing 27 lbs, was made of chrome-nickel-vanadium steel. To explain more about the calculator, a higher K value means the. 3. This is why reducing armor on DDs will help with pens: with 13 mm of armor, this changes to about 4 degrees for 460 guns and 6 degrees for 380 guns. 5 inches of US deck armor @ 35,000 yrds, and over 6. With a capable crew, they could fire at the rate of once about every 40 seconds, which translated to about 1. 180 degree turn time - 45. Closeup of the entrance “hole”. Vermont mounts 12 rifles in four triple turrets. Thus, the Japanese Ground Self. Any of my search term words; All of my search term words; Find results in. Numerous small cracks also put in plate around impact. . So, in the example you provided, yes, 10. S. Spotting Aircraft will be quite useless in the game, considering that Yamato's guns are capable of shooting. For years, computer simula-tions of armor penetration contributed only modestly to armor development compared, say, to the role of computa-tional fluid dynamics in the aircraft and aerospace. Petropavlovsk Front end armor belt, Admiral Nakhimov, Manfred von Richthofen Flight deck armor 297 237 247. Slava is the epitome of the sniper BB archetype. Maximum dispersion - 170 м. Before we get into the details, it is worth defining a few terms. Turret armor from Shinano (3rd Yamato class). Rifle Over-Penetration Testing. Each gun weighed about 239,000 lb (108,000 kg) without the breech, and 267,900 lb (121,500 kg) with the breech. 07. There are issues with the armor, but you could just buff the superstructure a bit if needed. The U. Penetration testing is a cybersecurity forensics technique used to assess an organization's network perimeter and internal cybersecurity defenses. how thick is the NC's armor,because It will be penetrated and It doesn't matter how thick the Yamato's armor, since. By the time it was put into service, Type 61 (the tank STA-1 was a prototype of) was already outmatched by newer tanks such as Leopard 1, or the T-62. The 18" shell was a bit more capable than the 16" shell (size does count) but the difference was not great. The armor penetration upgrade for the weapon gets a nerv from 15% to 5% testlive patchnotes: (Armor penetration kit bonus was lowered from 15% bonus armor penetration to 5%) i think that is just another buff for the heavy armors, compared to the damage upgrade this is the better choice. 5 197. 5 237. Yamato had more armor and bigger guns, but due to metallurgical differences Iowa's armor was at least equivalent. Shikishima is a Japanese Tier X special Battleship armed with six 510mm guns, the largest in the game. Table 1. We test 50BMG M2 AP against two stacked AR450 plates which were purchased from MOA Targets, fired from a PGM Hécate II. 7 at a Cost of: 49,500 doubloons or Arpeggio of Blue Steel Containers at 1. Vast quantities of heavily armoured. submarine), which made up far left side to turret face looking away inside turret out of guns connector,. The Iowa was objectively much faster at 33 Knots versus 27 Knots and that's going to help a lot. InRange is entirely viewer supported:h. Armour-piercing ammunition (AP) is a type of projectile designed to penetrate armour protection, most often including naval armour, body armour, vehicle armour. Noticable is the Yamato which can penetrate any other ship at the bow, as well as the jump of calibre around tier 6/7. HE shell penetration is based on shell size, nothing more. Design and description One of two additional Yamato -class battleships ordered as part of the 4th Naval Armaments Supplement Program of 1939, Shinano was named after the. The biggest and most expensive security assessments often contain multiple components, such as network penetration testing, application penetration testing, and mobile penetration testing. 26″ (66cm) Class “A” (Yamato-Class) Main Armament Turret Face (Port) Plate. 25". US went with 406s because after testing they realized 457s didn't add anything. 2. And was likely used as a test against our battleships 16 inch guns. Listed armor penetration values are calculated against the lowest level armor. Yamato Armor equipped on the left and right are concentrated on the Yuki Mori right hand side, and the flywheel is connected to the wave engine. The residual penetration into the backing material is measured and compared to the penetration of the projectile into a monolithic block of the backing material. Thus, with IFHE it would take at least a 33 mm plate to shatter her shells, while armor of 32 mm or thinner would be penetrated. It begins to penetrate citadel vertical armor at 14,000 yds, so the immune zone against that weapon is from 14K to 34K yds. So yes, japan could make really good armor, except that said armor never saw service on any of their ships. You misunderstood. These guns overmatch 32mm armor which allows the Yamato to punch through the bows of every battleship in the game except for the GK. What this is saying is, At range 1 this round will be moving 840 mps, It will penetrate 22 mm of armor and do 153 damage. Here is why this matters: In another Navy test of the Japanese 26″ armor plate at a lower velocity of 1707 fps, the projectile penetrated more than 21″ into the plate and still opened a hole. S. 1-inch shells. Her overall armor scheme is good, with 57mm deck plating and 32mm bow and stern armor. Multiple types of penetration tests are available, each with varying objectives, requirements, and scope. 8. -Average cost. At these ranges there is good reason to believe that Yamato ’s armor would have performed well against US 16” and 14” shells. 5 198 158 51 Default penetration of Hindenburg , Vermont Deck & Aux armor 303 243 252. You can run a pentest for a computer system, an entire network, or a web application. F. Most people here would have seen her in action during the test event. It has 4 tiers like all of the other perks/skills. Ships of war, you know. 00 Time Penetration Cons. One of the variants had a conventional superfiring arrangement. . Navy Class "A" (face-hardened) armor. It involves the physical penetration of a broad class of materials by a broad class of projectiles. Quindi dal punto di vista dell’equilibrio, e in base ai nostri test, la sopravvivenza deve rimanere o aumentare. Some of the projectiles have penetration mechanisms based on high velocities and overwhelmingPenetration testing is a critical aspect of information security, which involves assessing an organization's security posture by simulating attacks on its systems and networks. This hole was produced at extremely close range and not angled (I. 64cm) Naval guns it would seem. Stay far back and pummel your enemies. Most people here would have seen her in action during the test event. servicemen and women; the medical basis for determining the relationships among body armor, blunt force trauma in humans and the testing of body armor; and techniques used by the U. post-WWII testing confirmed this. 0 s. oeptanco testing of armor. 1% Speed of Light Impact Simulation,Increased Collaboration Between Turkic States Can Benefit Eurasia. Black Box Penetration Testing: Black box pen testing is the opposite of white box, in that zero information is shared with the pen tester. About damage: (running tests)Either ship could win with a lucky hit but Iowa is MUCH more likely to hit and Yamato shells while good horizontal penetration didn’t bite into angled armor very well (Iowa’s 16” SHS flat out had better penetration vs angled targets from USN testing with the guns made for Shinano) Yamato would be firing blind past 30km too where Iowa. 66%. 5 cm gun with 248 pen and 3 round autoloader Tier 9: Ho-Ri II, bit better casemate armor but still weak hull, similar mobility, same gun as stock but gets "super improved" 10cm with 330 alpha, 3 round autoloader and around ~300 penetrationSeparated the 2 weapon Yamato Chaos Nyx = YRM Yamato MCO moveset compatible Yamato Chaos Erebus = Anchor New Yamato MCO moveset compatible; Updated DAR Framework w animation. S. The first. Penetration and Perforation Calculator. The HE shell has a yellow nose and stripe. The Sloped Forward Deck. The store ship Mamiya is in the center distance. 08-0. 1") cannons used on the Yamato class were the most powerful guns ever installed on a battleship. The Büssing-NAG Sd. Navy battleships from NORTH CAROLINA and WASHINGTON through MONTANA and here sisters were all equipped with Class "B" armor. 9 in) at its. ArP can. , The fundamentals are presented for a rational system of armor plate ballistic testing* The desirable properti•e of armor are first discussed. However, Musashi is a tier lower than her sister ship and somewhat weaker as a result. Mar 17, 2022 #1. The 15 inch shell from the Vanguard on the other hand would have trouble penetrating even the Iowa class which was designed to withstand normal 16 inch AP shells. 12,900. These tests rely on a mix of tools and techniques real hackers would use to breach a business. Yamato seemingly had the edge here, with 16 inches of belt armor to Iowa’s 12 inches. Maybe General Douglas can find more information about the american bombs penetration. 33° obliquity from normal where plate was 25. 1 inches thick, while the lower belt is Class B armor, 12. #inch #thick #armor #japanese #yamato #class #battleship #pierced #navy #display #museum. The Aichi E13As and Mitsubishi. With an emphasis on performance. so i tried that in the game and this. Too often I see this image cited as evidence that Yamato's armor is ahistorically-buffed,. A small yaw (up to circa 10) can be merged with the impact obliquity by assuming that it is a shift of the obliquity in the yaw direction by of the magnitude of the. Yamato is the son of Kaidou. So i think 5% makes pretty much the same. GAR '. The deck consists of three parts, the bomb deck, the main armor deck, and. And her shells boasted exceptional vertical armor penetration, only behind Iowa's Mark 7 16-inchers and Yamato' s Type 94 18-inchers. However. 769% * 20 =15. S. Completely different development team (and shell company) Pen values were in game at one point but don't be surprised if it never comes back. S. 1x test with half of the inner belt armour from the previous test 4) 3x tests with zero citadel armour. . Product Specifications. 7 ft (20. While closely matched by the USA 16"/50 Mark 7 at long. Armor. Top. By lowering the rocket anchor and deploying the target scope it is possible to transform it into a wave gun launch mode. After sloping downwards, the deck would curve gracefully upwards again all the way to the ship’s bow. Ship released: 0. where "K" was a constant and "C", if used, was a plate quality factor. Penetration capacity and shell impact angle of Slava (in purple and green) and Yamato over range (in brown and blue) Shell velocity and flight time of Slava (in purple and green) and Yamato over range (in brown and blue) That’s also the problem though because it’s really all Slava is about, punishing unaware enemy ships giving too much side. submarine), which made up far left side of turret face looking from inside turret out of gun port. The upper belt is Class A armor, 12. Shot 1: 10 inches of penetration Shot 2: 10 inches of penetration Shot 3: 9. For example, the Yamato's 155mm secondary. Penetration Testing Definition. length. Shotgun Penetration With Various Rounds. Yamato guns penetrate up to 32mm of bow armour, so if you built a ship with 50mm of bow armour all around you'd be basically impervious to any and all rounds since things would. A rare masterpiece suffused with a war god's majesty. The 46 cm/45 (18. These guns load 457mm shells, allowing them to overmatch the 30mm of armor plating commonly found on Tier X cruisers, making them particularly deadly against cruisers. 26-inch thick armor from a Japanese Yamato class battleship, pierced by a US Navy 16-inch gun. However, this does not tell the whole story, as the armour layout did not actually protect the class as well as might be expected. . They were injected with the First Hokage's DNA in the hopes that they. 26-inch thick armor from Japanese Yamato group battleship, pierced by one US Navy 16-inch gun: Spoiler [Any guesses where that is? It looks like one key gun turret to me] The quality difference and the thinner recapping plate on the outside of the belt on Iowa would have given her a similar effective armor as Yamato too. Does the armor quality also affect the citadel armor? 2. Read that one for starters, although it likely represents an Anglo-centric view. Stay far back and pummel your enemies. S. Armor penetration is aided by a hydrodynamic model of penetration and metallographic analysis. Information about the target systems is gathered to identify potential. The 46 cm/45 (18. 8 sigma to 2. 21" armor plate, despite having poor steel quality, but this was a test plate that was never put into service. At a distance of 20 kilometers, the 460-mm Yamato armor-piercing projectile penetrated 566 mm of vertical armor. However, her penetration and alpha damage are low for 457 mm guns, comparable to Montana’s 406 mm guns. In the 1920s and 1930s the battleship was the ultimate power in naval warfare. Yamato: 460mm AP allows to overmatch 32mm of armor; shells have great penetration, usually don't shatter; smacks anything broadside (or angled lol); very good overall firing angles; stupidly armored turrets, never gonna get one destroyed; access to concealment mod; small superstructures;The document linked to above is a listing of all of the tests that Nathan has for the above AP projectile when used against regular and experimental U. If it was through the deck, then of course it is completely possible. The Yamato was designed with firepower in mind. I think the Mk7 was the shell used on the Iowa class, but it never engaged the Yamato. Made in Update 36 of ESO. So much that you actually have more armor penetration than Yamato. Yamato ’s forward internal magazines detonated in a spectacular fireball. S. 50. The muzzle blast is said to have been able to rip the clothes off personnel who were. -Average cost. 62 × 51 mm NATO-FMJ (North Atlantic Treaty Organization - Full Metal Jacket) ammunition specified for NIJ (National Institute of Justice – USA) level III body armor. New video: Ultimate Admiral Dreadnoughts - USS Cleveland vs IJN Mogami - Legendary Encounters. Homie watching the shell pass through if he’s alive. A 2000lb Armor piercing JDAM dropped from an F-35 could punch right through even Yamato's Turret roof and detonate well within the ship, with a huge and much more powerful explosive charge compared to anything in WWII. #5 Birdshot. Yes. : r/WorldOfWarships. These three designations were all assigned to a single gun used for experimental testing purposes between 1927 and 1945. About review bombing. 5 armor against you given above conditions. 1 The scope of this testing procedure is limited to evaluating the ballistic resistance of a helmet to penetration by bulleted ammunition AND the resistance of potentially lethal, backface intrusion of theRM2RCG73M – Soldier Lt. The armor is on display at the US Navy Museum. This particular projectile weighed 1,500 lbs. By the end of the war the 37mm. Even though Japanese shells were less. For armament, the Yamato featured three 3-gun turrets mounting 46 cm/45 caliber Type 94 naval guns – at the time, the biggest guns ever placed on a warship. The increase in firepower could have been achieved by increasing the number of guns and turrets: quadruple. Displacing nearly 72,000 long tons. Navy battleships from NORTH CAROLINA and WASHINGTON through MONTANA and here sisters were all equipped with Class "B" armor. In early 1945, the Imperial Japanese Navy made a difficult decision: it would sacrifice the largest, most powerful battleships ever built to protect Okinawa, the gateway to Japan’s Home Islands. After Oden's death, Yamato decided to become like him, impersonating him and adopting his mannerisms. I did see a discussion on this but it was from May so I wanted more current information. S. Guardian Angel. In terms of the US 16" super heavy AP shells, they could penitrate 8. The difference becomes substantial afterwards, and it concerns homogenous armor penetration. The Yamato can indeed get slapped if you show broadside to a 16 inch (40. (APCBC) ammunition, have a wide range of design and manufacturing quality factors that influence the performance of an armor penetration. The effective armor on the target is 7232. The impact of dynamic nature resulted in the formation in the. 0 kg) AP Mark 5 projectile, the shell handling system for these guns was redesigned to use. . Some consider it a bad fit for home defense, due to over-penetration. She is based on Alsace, and has a similar play style and many similar features. However the shell used on the test was the Mk8, possibly developed for the Montana class Battleship, designed to fight the Yamato but never completed due to both ships destruction (not really sure on this one). Since. -Strong. 0. The purpose of pen test is to find all the security vulnerabilities that are present in the system being tested. 1 inch gun turret. Since then, penetration testing has been used by the government and businesses alike to analyze the security of its technology. Armor penetration is a perk which increases your penetration of enemy armor with weapons. Her AP shells which have outstanding flight time and penetration parameters at any engagement range, which in practice. Yamato's armor is good, but not spectacular. The armor on the Montana's was designed to defeat her own 16" shells fired from between 15,500 and 28,500 meters. C. Under the old system, a Yamato Yamato. Content titles and body; Content titles only The total depth of the belt is 38 feet 6 inches and extends from just before turret 1 to just aft of turret 3. Yamato had better guns, but the Iowa had much better accuracy due to radar fire control, radar spotting, and generally better fire control. 5 m/sec), plus or minus 3%, which gives it about a relative plate quality of 0. As one might expect, the two share many commonalities. This is evident with his obsession with Quad turrets,. She and her sister ship, Musashi, were the heaviest and most powerfully armed battleships ever constructed, displacing nearly 72,000 tonnes (71,000 long tons) at full load and armed with nine 46 cm (18. 1-inch guns, but sacrifices some general accuracy to do so. Cutting Tests. Also the 16” SHS on Iowa had comparable penetration and BETTER angled penetration (superior shell design that let it bite into angled metal) than the 18. I am espeically wondering if the USS Montana is still a good ship to play both in ranked and random since I am currently closest to that one. In October, 1946, Shinano was awaken so it's turret face plate could be tested. Her AP shells have the best penetration characteristics in the game up to 15km, and second to Yamato from 16km onwards. In one corner, Japan’s Yamato, weighing in at 65,000 tons, the biggest battleship in history. S. Her HE shells have a 49% fire chance and 68 mm of penetration. 6 cm) Mark 3 "Midvale Unbreakable" AP shell and weighs 2,900 lbs. These tables provide theoretical data on the results of naval shell impacts against armor in the World War II context. Wondering if someone can clear something up for me, though. It is a technology improvement over the M829A1, the "Silver Bullet" of. What is Penetration Testing? Penetration testing, sometimes referred to as pen testing or ethical hacking, is the simulation of real-world cyber attack in order to test an organization’s cybersecurity capabilities and expose vulnerabilities. Maximum road speed was 85 km/h. She would be vulnerable at the ranges where Kirishima was engaged. Later, she served in battle and reconnaissance fleets. Based upon testing, the 76 mm with HVAP rounds could penetrate the frontal armour of Tigers and Panthers at ranges of 1000 metres or less. Metal is the go-to block for building everything, it has the best durability and armor for an affordable cost. Note Yamato's after 460mm main battery gun turret, and superfiring 155mm secondary battery gun turret. 2. How are people supposed to take this game seriously when you can't see values this important. Chance to cause fire – 39%. Champagne’s guns are very accurate, with best-in-tier horizontal and vertical dispersion, and 2. Metal is the go-to block for building everything, it has the best durability and armor for an affordable cost. ). The main goal of a pentest is to discover. For a while I have noticed a few YouTube channels popping up with simulated armour penetration videos of different tank guns and this is the first time I noticed a battleship subject matter Yamato shooting Iowa. Her hull has a high health pool of 119,200 and has an improved torpedo damage reduction of 58. Yamato as one of Orochimaru's test subjects. Instead, penetration data from penetration tests would usually be extrapolated by adjusting for shell velocities. This 26" thick section of armor plate, meant for a Japanese Yamato class battleship, was found at the Kure Naval Base in Japan after the end of WWII and brought back to the US for testing. About that Chunk of the Yamato’s Armor in D. 6 was redesignated as the Type 88 on 6 April 1931. This means that the Yamato deck armor was the equivelent of 7. AP initial velocity - 787 m/s. These penetration values are often quoted and used to compare the armor penetration power of large naval guns and for computer modeling of ship-to-ship combat for World War II naval games. Talk about… | 68 comments on LinkedInYamato was designed around the idea that an individual ship could have superiority over any battleship of a potential enemy. Meanwhile in WT they penetrate 205mm at the same angle and range! The same is true for the 76mm and 85mm soviet guns, they overperform against flat armor. 26-inch thick armor from Japanese Yamato class battleship, pierced by a US Navy 16-inch gun. Whereas Jōmon and Yayoi burial practices were rather primitive, from the 3rd century large tombs, both circular and uniquely keystone-shaped, began to. You cannot citadel. Her AP shells have high velocity and can overmatch 30 mm armor, which is present on many cruisers in her matchmaking spread. 6%. Given how often this question effectively comes up has someone effectively ran this in C:MANO enough to effectively have a statistical number for # of F-18Fs to semi-reliably knock Yamato/Iowa out, and/or would they be willing to upload a video of what a CVBG would. Height: Approx. The armour piercing shell of the D-25 gun (122 mm) can penetrate an 85 mm thick armour plate at 55 degrees (upper front plate of a Panther tank) from 700 meters further away than the D-10. Reward:. . Regarding the alleged non-weldability of face-hardened armor, this would suggest otherwise:. This rules out. 3 = 32. The izumo sucks because it doesn’t have amagi volume of fire, nor Yamato’s alpha or accuracy Perception can be deceiving. Armguards crafted to be the ultimate defense. A 127mm HE shell will penetrate armor of 21mm thickness or less. Development work on this gun had been started in 1934 and a complete battery of test firings, range table firings and test salvos were done. Very high krupp (free penetration bonus) Heavy shell compared to diameter (like USN super heavy) Absurd MV A larger shell is a disadvantage unless the shell is also much heavier to compensate for the increased size, and a small but very heavy shell has correspondingly better penetration. Chapter 4 describes the testing and measurement processes for combat helmets, including the test threats and the different sources of variation. the . The test was carried out with 7. This is a game, BBs should clearly have weaknesses when exposing their broadsides. We would like to show you a description here but the site won’t allow us. 9. . Oklahoma — American special premium Tier V battleship. S. She had a novel decapping plate arrangement, which according to test undergone by the RM gave her immunity against her own shells starting at 16'000 m. ARP Yamato can equip the following consumables: . Armor penetration of Armor-Piercing Incendiary ammunition, BHN-300 RHA, attack angle 30 degrees from vertical: 76 mm at 300 meters; 69 mm at 600 m; 64 mm at 800 m;.