“Mi-To” \ “O-I” Super heavy tank. A unique look from the East: O-I and O-I Experimental What to put on o i

29-06-2016, 17:13

Good day and welcome to the site! Today our guest is a real giant, a car that inspires fear with its appearance, Japanese heavy tank Level 5 is the O-IExperimental guide.

Indeed, this giant is the largest and heaviest tank in its tier. The huge size is simultaneously considered a disadvantage and advantage of the Japanese, but first things first, let's look at O-I Experimental characteristics and everything connected with them.

TTX O-I Experimental

To begin with, about the advantages of large dimensions in this case. This gigantic barn weighs over 100 tons, while we have a very powerful engine at our disposal, and in fact, the O-I Experimental WoT turned out to be very vigorous. We were given a good maximum Horse power it’s enough for a ton, the maneuverability is not bad, and thanks to all this, we are not only able to move normally, but also excellently ram subscribers, demolishing a bunch of strength points for them without harming ourselves.

If you look at the O-I Experimental TTX armor, then everything is weak. Yes, the fourth levels practically do not penetrate us (both in the forehead and in the stern), but even classmates rarely have problems with this. In battles against the sixth, and even more so the seventh levels, the situation deteriorates sharply and large dimensions begin to play against us. By the way, try not to substitute the board at a right angle, this is the most vulnerable spot.

Otherwise, we have at our disposal a sufficient margin of safety and a good basic view of 360 meters, which, if desired, can be well increased.

gun

In terms of weapons, everything is again very worthy. To begin with, I will say that top O-I The Experimental gun has the highest damage among all the guns of its classmates, and in combination with a good rate of fire, we get a decent 1800 damage per minute, excluding equipment and perks.

Add to this good armor penetration and the fact that the gun leans 10 degrees down. Agree, what more could you want. Well, for fights at the bottom of the list with all sorts of unforeseen situations, there are gold shells.

Even in terms of accuracy O-I tank Exp World of Tanks is not that bad. Of course, our dispersion and stabilization are far from perfect, but at the same time, a very decent aiming speed, which can also be improved, allows you to shoot quite effectively and without much discomfort.

Advantages and disadvantages

You have probably already noticed that this Japanese looks very dignified in terms of its characteristics. So it is, we have a really strong and comfortable car in our hands, and in order to understand it better, we will highlight all the strengths and weaknesses separately.
Pros:
Excellent alpha strike and damage per minute;
Decent mobility;
Not a bad review;
Comfortable vertical aiming angles.
Minuses:
Weak accuracy and stabilization;
Mediocre booking.

This is how the picture turned out. I would like to say once again about our dimensions, because they can be attributed to both disadvantages and advantages. The rest of the tank is really strong, you just need to learn how to use it, but first things first.

Equipment for O-I Experimental

Installing additional modules on our unit does not present any difficulties. Not only is the choice not great, we just need to strengthen the already not weak qualities of the car. Thus, equipment for O-I Experimental is selected as follows:
1. - everything is simple, an increase in damage per minute will never be superfluous;
2. - the accuracy leaves much to be desired, so the accelerated mixing is a great option;
3. - another great choice, because the review in our game decides a lot.

An alternative to the last point is, because with its help we will get a boost the most important characteristics, for example, we will further increase the CSA, review indicators, etc.

Crew training

There is also no need to reinvent the wheel, we act according to the same scenario as in the case of equipment, but do not forget that there are already 6 tankers in the tank, so you still have to break your head. Choosing only the most necessary, on the O-I Experimental crew perks are learned in the following sequence:
Commander - , , , .
Gunner - , , , .
Driver mechanic - , , , .
Radio operator - , , , .
Radio operator - , , , .
Loader - , , , .

Equipment for O-I Experimental

In terms of consumables will adhere to a certain standard. If you do not have a large supply of Silver Credits, it is better to carry a gentleman's set of , and . But still, a more reliable option would be to put premium equipment on the O-I Experimental, and if desired, the fire extinguisher can be replaced with .

Game tactics on O-I Experimental

As mentioned earlier, in our hands is very strong machine, playing it is not so difficult, but there are some nuances that are worth remembering. To begin with, I will say that on O-I Experimental, combat tactics depend on whether you are at the top of the list or at the bottom.

When it comes to fighting in the top, you can go to the first line, where, when placing a tank in a small diamond, it is possible to hold back the enemy and deal tons of damage. It is important to remember that the heavy tank O-I Exp WoT has loose sides, so it is dangerous to turn the hull too much and in any circumstances try to take a position from which it will be possible to retreat and it will be difficult to throw artillery at you. In the top we feel very comfortable.

If you fight against the sixth and seventh levels, it is better to stick to the second line, since Japanese O-I experimental tank is not able to hold back the shots of high-level machines and the margin of safety in such situations is severely lacking. At the same time, play carefully, because our large dimensions are easy to target even at a distance, while our Japanese has a slanting gun. You need to try to deceive the enemy, roll out, make a shot (preferably waiting for information) and hide again.

Here, perhaps, all the wisdom, O-I Experimental World of Tanks is as simple as five cents. Otherwise, look at the mini-map, learn to analyze the situation in battle and don't let the maneuverable tanks turn you around. Do not forget about your good mobility and monstrous mass, the rams performed by this Japanese plunge the enemy into shock, and you will be given a lot of positive emotions.

Official designation: “O-I”
Alternative designation: “Mi-To”, Type 100
Start of design: 1939
Date of construction of the first prototype:
Completion stage: one prototype was built, the project was subsequently canceled due to high technical complexity.

The history of the creation of Japanese super-heavy tanks cannot be called fully disclosed, if only because there is almost no documentary evidence related to this topic. For a long time the so-called “reconstructions of the appearance” of these machines “wandered” on the Internet, most of which had nothing to do with real projects at all. The Japanese themselves could shed light, but even their sources, until recently, did not give complete clarity. So it turned out that Japanese super-heavy tanks were called Type 100, then O-I, then O-1, etc. Very meager texts, both in printed publications and on the Internet, were accompanied by drawings, where the tanks were depicted in various "modifications", differing noticeably in the configuration of the hull, chassis and number of turrets.

Of course, the online game "World of Tanks" ("World of Tanks") contributed to the popularization of Japanese super-heavy tanks. Despite the fact that after its appearance, the number of "experts" in the field of world tank building increased in arithmetic progression, we must pay tribute to Wargaming - it was able not only to captivate people with another "toy", but also to show many projects of tanks and self-propelled guns that were previously inaccessible in open sources. The most interesting story happened to Japanese armored vehicles.

When the idea arose to introduce Japanese tanks into the game, the main concept took shape on three branches of development: light, medium and heavy (for some reason, self-propelled guns and tank destroyers were not included in the game, although the exhibits there were more than interesting). But if there was no shortage of materials with the first two types of combat vehicles, then there was simply no reliable information on super-heavy tanks starting from the “O-I”. By this time, a series of consultations had been held with the Japanese technology Tadamasa Miyanaga and Kunihiro Suzuki, president of Japanese plastic model maker Fine Molds Corp. As it turned out, Mr. Suzuki is the owner of the drawings of a super-heavy tank, which we used to call Type 100 “O-I”(it is not entirely clear where the number 100 came from, although there is a version that this is a transformation from 2600 - the year the development began according to the Japanese calendar). But regarding the progress of development and testing, only fragmentary information has been preserved. The following article is based on Internet publications based on translated Japanese materials.

The development of super-heavy tanks began in the second half of 1939, when Japan suffered a major defeat from the Soviet-Mongolian troops near the Khalkhin-Gol River. With fairly active actions of Japanese armored forces, their overall effectiveness turned out to be frankly low, since the main Type 89 and Type 95 Ha-Go tanks at that time had very mediocre combat characteristics. The ancestor of the idea to create a super-heavy tank was Colonel Hideo Iwakura, appointed in the same year as head of the Department of Army Affairs in the Bureau of Army Affairs). Assessing the experience gained, he formulated a very unusual and vague tactical and technical task, which literally sounded like this:

“I want to build a huge tank that can be used as a mobile pillbox in the wide open steppes of Manchuria. Top secret."

"Make it twice the size of today's tanks."

Why Iwakura needed a “mobile bunker” is difficult to say, since then it is unlikely that anyone could imagine how to combine the thickest armor with acceptable mobility - in the open steppes of Manchuria, such a tank would be an excellent target for artillery and enemy aircraft. Given that Soviet pilots began to successfully master dive bombing, the viability of the Japanese tank now seems very doubtful. However, there is reason to believe that Iwakura did not impose strict requirements precisely because of the high complexity of the super-heavy tank, literally untying the hands of the designers. This approach guaranteed a fast pace of development, provided that a number of components and design solutions were used that were already used on other combat vehicles, in particular, on the Type 97 “Chi-Ha” tank.

For the design of a super-heavy tank, the 4th Technical Research Department was allocated under the leadership of Colonel Murato (it is from his words that Iwakura is quoted). Mitsubishi employees also provided active assistance in the development process. Work carried out in the regime of special secrecy continued throughout 1940. It cannot be said that the Japanese specialists were in a hurry somewhere - the preliminary design was ready only by March 1941.

The tank they developed really looked like a mobile multi-tower firing point. Apparently, in order to ensure the best manufacturability, bent profiles were practically not used in the design, which gave appearance this machine is characterized by faceted shapes. The final version of the project provided for the installation of four towers: the main one with a large-caliber gun - in the center, two small ones - in the front, and another small one - at the stern. Although it is possible that the original version provided for a different layout option.

It must be assumed that the development of the 4th Division was approved by Colonel Iwakura, since in April 1941 a group of engineers was selected to build the first prototype of the tank. Further events are described from the words of engineer Shigeo Otaka (Shigeo Otaka), according to which the "chosen group" was sent to the previous headquarters of the 4th division in Tokyo. The specialists were placed in barracks, inside which there were many small rooms intended for meetings and discussions on the progress of the tank's construction. The secrecy was so high that each specialist had only his part of the drawings. The general discussion and connection of the parts of the project into a single whole was carried out in a separate room equipped with soundproof walls to prevent from outside service personnel any possibility of eavesdropping. Presumably at the same time, the tank received an unofficial name “Mi-To”, which is an abbreviation of the first letters of the company Mi tsubishi and development cities That kio.

The assembly of the Mi-To prototype was started on April 14, 1941. Due to the fact that the Japanese had no experience in the development of such titanic machines, the necessary components were made privately (in fact, we can talk about semi-handicraft production and fitting individual parts “in place”, although there is no documentary mention of this). Colonel Murata hoped that the assembly of the Mi-To could be completed within three months, but the super-heavy tank was heavy not only in terms of mass, but also from a technical point of view. The construction of Mi-To required the allocation of huge investments and resources, which, in the context of preparations for a war on pacific ocean it was very problematic.

Despite the determination of the specialists of the 4th department to complete their work, enthusiasm alone was clearly not enough. Work on the assembly of the tank was carried out in conditions of great material constraints, and in addition, suppliers could not quickly produce all the necessary components and assemblies. From the memories of the participants in those events, most of the resources allocated for the project were exhausted after a month and further construction was postponed until January 1942.

As of February 8, it was possible to almost complete the assembly of the hull, but work was constantly delayed due to lack of support and resources. Nevertheless, the Japanese had something to brag about even then. The thickness of the frontal armor plates and the stern of the Mi-To was 150 mm, the upper part of the sides of the superstructure was 75 mm each, Bottom part sides of the superstructure - 35 mm each, roof - 35 mm (50 mm according to the project), bottom - 30 mm. The layout of the hull was generally classical, with the exception of the location of the turrets: two small turrets were located longitudinally in front of the hull, the main turret was in the center and another small turret was placed aft above the engine. Inside, the hull was divided by 20-mm armor partitions into three separate sections. The height of the ceilings in them was such that a person of average height could freely walk around the tank.

A power plant was mounted on the prototype, consisting of two engines running on a common transmission, the main units of which were located between them. The steering was in the bow of the hull, in front of the small towers. Regarding the type of engines, it is indicated that they were 12-cylinder Kawasaki Type 98 with a power of 550 hp. every. It is also indicated that the transmission copied the scheme from the Type 97 medium tank, but consisted of larger components. The cooling system caused many problems, the development and manufacture of which took a very long time.

The undercarriage, as applied to one side, included four two-roller bogies, a front drive and a rear steering wheel. The carts were equipped with shock absorption on vertical spring springs. The caterpillar was large-linked and consisted of cast tracks. Almost all elements of the undercarriage, with the exception of the lower part of the road wheels, were protected by a 35-mm armored screen, bolted on.

The towers caused no less "headache". In the project for them (including commander's domes), the thickness of the side armor plates was equal to 150 mm. It is alleged that Mitsubishi manufactured all four towers in May 1942, but the 35-mm roof was not ready for the main one. What condition the rest were in is not specified.

Regarding weapons, such a scheme was chosen. Two frontal hexagonal towers were to be equipped with 47-mm guns, the barrels of which were modernized and protected by additional armor casings - their main purpose was to fight enemy armored vehicles. In the tower at the stern of a similar type, designed to protect against infantry from the rear, only two 7.7-mm machine guns were provided. The 149.1 mm Type 96 howitzer was supposed to be installed in the main seven-sided turret, the field version of which was put into service in 1937 and proved itself well in battles in China and Mongolia. The high-explosive fragmentation shells of this gun inflicted huge damage on fortifications and uncovered infantry, while having an initial speed of 540 m / s, they pierced a 125-mm vertical armor plate at a distance of 230 meters. When installed on a tank, the howitzer received a massive armored casing that protected approximately 3/5 of the barrel length. The vertical guidance angles for the howitzer ranged from -5° to + 20°, for 47-mm guns - from -10° to + 20°.

The dimensions of the almost finished Mi-To tank were truly impressive: length - 10100 mm, height - 3595 mm (hull - 2530 mm, main turret - 1065 mm), full width - 4833 mm. The crew was to consist of 11 people:

- driver

- assistant driver

- commander

- three gunners in the main tower

- two gunners in small towers

- machine gunner in the aft turret

- radio operator

— tank maintenance engineer.

The landing of the crew in the tank was carried out only through the tower hatches, since the placement of various components and assemblies did not allow making additional doors or hatches in the hull. In order for tankers to be able to climb to a 3-meter height, U-shaped handrails in the amount of 40 pieces were fixed on the sides and stern. In addition, during the assembly process of Mi-To, another serious problem emerged - the Mitsubishi company was unable to set up the production of 150-mm armor plates in the allotted time, in connection with which it was decided to introduce two-layer armor. Thus, the frontal and side parts of the hull were originally made from 75-mm armor plates, on which armor plates of the same thickness had to be bolted in order to bring the armor to the design level. Thus, the mass of the prototype was only 96 tons, but after being equipped with all the equipment, weapons and ammunition, this figure was to rise to 150 tons.

The date of the exact completion of the construction of the Mi-To remains unknown, however, active testing of the tank was scheduled for the end of 1943. Shortly before this, the tank was "declassified" for display to representatives of the Japanese army high command, at the same time assigning it a standardized designation "Oh-I" (ABOUT- heavy, AND- first). How military officials, including Tomio Hara, who was the head of the Sagamiya army arsenal, reacted to the giant, now one can only guess, but it can be assumed that O-I still aroused great interest - sea trials were to begin as early as August of that the same year. For testing, the tank was dismantled and one of the June nights sent to the disposal of the Sagami arsenal, which was located in the city of Sagamihara, 51 km from Tokyo. The assembly was carried out throughout July and on August 1st "O-I" was almost ready, except for the absence main tower and mounted armor plates (that is, small towers were still installed).

The first day of testing caused conflicting feelings among both developers and army representatives. When driving on a hard surface, the driving performance did not cause any special concerns. It is claimed that the 96-ton prototype had a top speed of 40 km/h, while the projected speed was 30 km/h. However, in the second hour of the tests, when we had to go to softer ground, the tank dug into it a meter deep. The driver tried to pull the car out with maneuvers, but this resulted in compression and subsequent jamming of the suspension elements. Ultimately, the tank was towed and tested on a concrete surface. Here, simply discouraging results were obtained - instead of the expected smooth ride, the suspension very quickly failed (apparently due to strong shaking, aggravated by the titanic weight and the specific design of the tracks). There are also allegations that when moving from the tank, pieces of tracks flew off. As a result, the test was first postponed, and the next day it was decided to cancel it altogether.

Despite all these incidents, the overall result was assessed as positive. In principle, this conclusion was correct, since the Japanese were the first to build a super-heavy tank and even make it move under its own power. At the same time, maintaining the vehicle in running condition in the field and with very limited resources was an extremely time-consuming task, and therefore, on August 3, 1943, the personnel began to dismantle the O-I. The dismantling process was completed on August 8th, and two days later the engineers noted in the magazine that they had begun to analyze the individual components of the tank in order to identify deficiencies and ways to eliminate them.

The further fate of “O-I” is mysterious and foggy. Most sources agree that by September 1945 the tank was scrapped, as was most of the documentation on it. Not even a single photograph or drawing has survived. The only artifacts confirming the existence of this machine are engineering journals and an album of blueprints, as well as parts of a caterpillar track currently stored at the Wakajishi Shrine. By the way, this place, which is actually a museum, is associated with one interesting fact— on the labels to the tracks there are values ​​100t and 90t, while on the labels to technical journals— 150t.

On this story “O-I” could have ended, if not for one interesting nuance. More recently, "Reference: cooling systems for Japanese heavy tank projects" was found in the former Soviet archives. In addition to the very scarce information about the Type 2604 and Type 2605 tanks, it indicated the following:

“The wooden model of the O-I tank suggests, instead of a pair of BMW carburetor engines, a model of a Daimler-Benz engine”, liquid-cooled diesel, twelve-cylinder. The cooling system on the layout assumes the presence of two six-section radiators with an ejector-type purge from exhaust gases engine. Air intake is carried out through the casings in the upper part engine compartment. To provide airflow to the engine and purge the fighting compartment of the tank, there is an auxiliary fan driven by a cardan shaft from the engine fuel pump.

The advantage of the layout is the simplicity of the device, providing ventilation of the tank turret, however, only when the engine is on.

The disadvantage of the layout is the need to remove the sealed sections of the radiators that cover the engine cylinder heads during maintenance and repair. The radiator section needs to be removed to gain access to the engine.

From this reference, it is not entirely clear what kind of model of the “O-I” tank was meant. Obviously, it was full-sized and they even installed german engine(or its mock-up copy) - there are suggestions that it could be an aviation Daimler-Benz DB 601A, but no other sources confirm this. It is possible that in 1943-1944. work on "O-I" was still ongoing, moreover, on the territory subsequently captured Soviet troops i.e. in Manchuria. It is quite possible that the Japanese command did not leave the idea of ​​"an armored bunker in the endless Manchurian steppes", but this version has not yet been officially confirmed.

Information about other super-heavy tanks in Japan is still perceived with skepticism. For example, a number of foreign sources claim that in the development of "Mi-To"\"O-I" the first project was a 96-ton tank, which was soon redesigned into a 100-ton tank, then into a 120-ton tank, and, finally, the apogee became a 150-ton sample. In fact, there is an overlap real facts to the speculations of historians. Thus, no other super-heavy tanks, except for the "Mi-To" \ "O-I", were no longer built in Japan. If only because the Japanese could not afford it for purely material reasons.

Nevertheless, the theme of Japanese supertanks turned out to be very tenacious. In particular, in the article by Alexei Statsenko “The Giants of the Country rising sun” provides information about the construction of another tank in 1944. The development of the 120-ton machine was carried out by Mitsubishi engineers, and the layout scheme was completely borrowed from O-I: two small turrets with 47-mm Type 1 cannons in front, a main turret with Type 92 in the center and another small turret with two machine guns on stern. The composition of the auxiliary armament has not changed, and the ammunition load was 60 rounds of separate loading (projectile weight - 16 kg, charge - 30 kg) for a 104.9-mm cannon, 100 unitary shots for 47-mm Type 1 cannons and 7470 cartridges for machine guns. Overall dimensions: length - 10 meters (according to the "Reference book" - 11 m), width - 4.2 meters, height - 4 meters. The thickness of the frontal reservation was to be 200 mm, the width of the tracks was 750 mm.

Sources:
P. Sergeev "Tanks of Japan in the Second World War." 2000
S. Fedoseev "Armored vehicles of Japan 1939-1945" ("Historical series", supplement to the journal "Technology-youth"). 2003
E. Pyasetsky "Japanese tanks" ("Rhombus" No. 1)
Steven Zaloga, Tony Bryan "Japanese Tanks 1939-45"
Warspot: Alexey Statsenko "Giants of the Land of the Rising Sun"
Status Report: O-I by Seon Eun Ae
War Thunder Forum: O-I: Japan's Super Heavy Tank
reddit.com (Warthunder): O-I Superheavy Tank (blueprints by Fine Molds)
World of Warships: Wargaming at TGS15! Second day
thunder-games.livejournal.com: Post 1 of 3 about O-I from a Japanese consultant / Answers from FM and BVV / Other
ftr.wot-news.com: Superheavy Japanese tanks
Wakajishi Jinja (Museum at Wakajishi Shrine)
imgur.com: O-I (docs scan)

Articles about the models of the tank "O-I":
1/72 Multiverse: O-I Super Heavy Tank
Henk of Holland: Info: Japanese 150 ton Super Heavy Tank "O-I"

PERFORMANCE AND TECHNICAL CHARACTERISTICS OF THE SUPER-HEAVY TANK
"O-I" sample 1943

How to play and what kind of gun to install, as well as what equipment and perks should the crew download in order to bend in a random house? Also watch the video about crew guide and tank review.

So, dear fans of shooting with land mines, I present to you the excellent Japanese tank O-I Experimental, which will appeal to all lovers of a leisurely game and great damage. The cannon of this Japanese heavy is very excellent and can send tanks of the fifth and fourth levels into the hangar with one shot.

I advise everyone to pump it out, especially after it there is also a rather interesting imbotank called O-I, which is actively used by players when playing in a platoon and on fortifications, you can also read about it on the site by clicking on the active link given earlier. So now it’s not about that, but about the O-I Experimental imbotank and its merits, but the merits are not the same:

Advantages of the tank

• High speed for such a mega tank and the giant that it is, is it a joke that 105 tons of metal travels at a speed of 40 km. Who else, besides the French branch of strands, can boast of such speed. But the French have almost no armor there and they are like cardboard. And they push this healthy cart a whole herd of horses in the amount of 1100 pieces.
• The excellent armor protection of the hull in a circle and turrets, as well as small turrets, makes the tank even more attractive for novice users and experienced players.
• Ammunition of as many as one hundred shells that cannot be used up in a battle, no matter how fast you shoot.
• The tank turns very quickly and on any soil, which gives it an advantage over other strands.

Tank Disadvantages

1. Well, there are also enough shortcomings, and the most important of them is its dimensions, they are huge and it glows like a light bulb in the night and represents a very tasty prey for art, because it is impossible not to hit it.
2. The dispersion of the guns is quite high and it is difficult to hit the enemy from afar, and sometimes it is impossible to hit small tanks.
3. The reload is pretty fast but not enough and it could be tweaked a bit by the developers.
4. Otherwise, the imba tank and its shortcomings are more than compensated by the merits, it's not a joke to send the enemy to the hangar with one shot.

Perks for Crew O-I Experimental I advise you to download like this.

For the entire crew, download the disguise with the first perk, and then the commander to change it to a light bulb for sulfur.
The second perk is repair because you need to quickly go into cover after a shot and delay in this matter can be fatal and the art is not dormant.
Third the Brotherhood of War and the fourth perk is to pump out the crew of their direct specialties, but I think if you get to 4 perks, then after so many fights you yourself will be a scientist and put what you need.
Tank Equipment O-I Experimental
Quite ordinary equipment is installed and, based on its spread and visibility, it is necessary to install drives and a mask network, the third equipment can be, in my opinion, pipes in order to expand the view to the maximum and at least notice other tanks at the same time, and not after when you are completely hit with all calibers.

Watch a short video review of the tank where you may find answers to questions that I did not give in the article.

Introduction

In this part of the review, we will analyze two more stock, but very important guns of 120 mm and 75 mm caliber. These guns are important because this is how we upgrade the Japanese O-I Experimental tank and through them lies the path to the formidable top state of the tank.

Gun 7.5cm Tank Gun Type 3

This gun is very reminiscent of the American 75 mm M3 cannon, slightly inferior to it in terms of armor penetration of gold ammunition. In fact, we are dealing with an earlier version of the 75-mm tank gun, and this gun is inferior in almost all characteristics to the Type 5 gun, except that the rate of fire is slightly higher.

Drawing. Characteristics gun 7,5cm Tank Gun Type 3

Penetrates with armor-piercing 90 mm and 112 mm sub-caliber sub-calibers with a one-time damage of 115 HP. In general, rather average indicators will fit only in battles when your tank is at the top of the table. Nevertheless, even taking into account the existing disadvantages, this gun will be convenient in the fight against mobile tanks than guns more large calibers(105-mm and 120-mm), as it has an advantage in the rate of fire and a fairly high initial speed of the projectiles.

In any case, the 75 mm Type 5 gun is better in almost every way, so be patient and pump out, however, if you have already walked along the ST branch and pumped out the Chinooks, you will get the opportunity to install it almost immediately.

12 cm Short Barrel Gun

In fact, this is a short-barreled high-explosive, of which there are plenty in our game, although the barrel length here is even worse than that of the 105 mm german cannon and the 122-mm Soviet U-11, in general, it is more like British mortar guns, and the ballistics of the gun, as well as the speed of the projectile, are very similar. These guns were originally sharpened to fight the fortifications of opponents and manpower, that is, the extermination of people. This weapon is not very suitable for combating armored vehicles, especially when it comes to heavily armored vehicles. And the point here is not that the caliber is not enough, but that the short barrel does not give the necessary initial velocity of the projectile, which would provide a sufficient supply of kinetic energy for the projectile, which in turn gave the potential for armor penetration. If HE shells can somehow fight light armored vehicles (if they are stationary), then heavy tanks, in principle, do not care about this kind of threat, and even light tanks are not particularly afraid of this weapon, because evading the fire of such a gun is not a big deal for them Problems. On the other hand, the steep trajectory of the projectiles and a powerful high-explosive help to effectively suppress enemy anti-tank infantry guns, which have always been the main threat to tanks, and the 120-mm caliber helps a lot to destroy pillboxes and you can even throw shells at infantry hiding in a trench, but since since our game is refined exclusively for "Tanks vs Tanks", then these advantages are of little use.

Drawing. Characteristics of the 12 cm Short Barrel Gun

We get this gun almost from the start, but handouts, as you know, have a downside - in this case, it's terrible accuracy, which does not allow us to reveal the potential of the gun. As for moving targets, there are even greater difficulties in heap fire, since in addition to low accuracy, we are still dealing with a low initial velocity of the projectile, so while the projectile is flying at the target, light tank the enemy easily changes his position.

Drawing. The powerful KV-1 gun mantlet can withstand amazing hits

Of course, a 120-mm high-explosive fragmentation projectile is unlikely to simply scratch the enemy’s armor, but it will not be able to inflict significant damage on an enemy heavy tank, especially if it is equipped with anti-fragmentation lining. In any case, we have gold ammo that is capable of penetrating 140 mm of armor on average, but given the accuracy of 0.52, it simply cannot be guaranteed to hit the enemy’s weak points. Therefore, even in a direct firefight with the KV-1, there is a chance that the projectile will go into the gun mantlet or ricochet on a powerful VLD Soviet heavy There are many variations on this theme.

Figure 4. O-I Experimental, top side view

Do not forget about the long aiming time and uncomfortable stabilization, which is especially inconvenient when aiming on the move and turning the turret. As for the fireflies, as already mentioned, with this gun they are almost invulnerable to us, since the shells simply do not keep up with them. True, as strange as it sounds, this weapon is great for long positional firefights on the streets of Ensk and even on Prokhorovka Alley. In any case, the gun performs its function, which will allow you to grow up to more powerful and convenient 75mm and 105mm guns.

Conclusion

We have considered two not the most popular guns, which are just a springboard to more successful and powerful guns. Nevertheless, that with a 120 mm short-barreled gun you will from time to time shoot well at slow-moving targets, that with a stock 75 mm gun you can confidently fight off medium and light tanks with relatively weak armor - this should be enough to as much as possible quickly reach the top equipment in terms of weapon class.

2-07-2016, 01:58

Hello to all fans of World of Tanks, especially those who love heavy tanks. Today we will talk about a real giant, a giant that surpasses all classmates with its dimensions and weight - this is an O-I guide.

All of you know very well that this vehicle is a Tier 6 Japanese heavy tank and have repeatedly heard positive reviews about this heavy tank. Now we will look at the O-I TTX and everyone can decide for themselves whether these rumors are true.

TTX O-I

To begin with, it is worth saying that we have a good margin of safety for our level and a good basic view of 370 meters, which can be overclocked, as shown in the screenshot above.

If we consider the O-I characteristics of the armor, then there are practically no complaints and the armor of the car is very interesting. Our front and rear hulls are equally well armored, due to which we can easily tank most of our classmates and even some tanks of the seventh level. But the sides are loose and they can only be substituted at a very steep angle. When an O-I WoT tank gets down the list, armor stops deciding and huge dimensions only harm us.

Everything is fine with the tower, it is equally well armored in a circle, so there is nothing to talk about.

Regarding mobility, everything is much worse. As you may have noticed, this Japanese weighs over 150 tons and this figure is only good for ramming. Otherwise, this is a big minus, because mobility suffers greatly due to the huge mass. So O-I World of Tanks picks up its maximum speed very poorly, has disgusting dynamics and frankly poor maneuverability, a real big turtle.

gun

In terms of armament, this unit is very interesting and it is this aspect that is considered its main feature. The thing is that we are given a choice of two guns, each of which has a hollow right to life.

First, let's take a look at the top-end O-I gun - this is a high-explosive, very similar to the one on the legendary KV-2. This barrel is famous for its huge one-time damage, and you can shoot both BBs and land mines, however, in the second case, you will deal 100% damage to whichever enemy you shoot at.

This gun has poor armor penetration, but its main drawbacks are its terrible accuracy, huge spread, long aiming time and very long reload time. But, having loaded a land mine or even an AP, a heavy O-I tank can take down even a classmate with one shot.

The second option is a stock gun, but do not rush to write it off, because many people prefer it. The fact is that she has a higher armor penetration, which is enough to penetrate all her classmates, and for fights at the bottom of the list, there is a good gold.

The one-shot damage of this barrel is also decent, and a more pleasant reload time allows you to develop more damage per minute than a high-explosive, due to more stable shooting.

At the same time, the World of Tanks O-I tank comes down to this gun faster, and it has more pleasant accuracy and dispersion indicators.

Another very important and tricky nuance is that we have good vertical aiming angles (-10 degrees down). But do not rush to rejoice, the gun falls worse from the side, and even when “looking” back or forward, large machine-gun turrets prevent it from completely lowering, so far from all planes O-I WoT is able to lower its gun by 10 degrees.

Advantages and disadvantages

So it's time to sum up the first results, because the analysis of the main parameters and characteristics of the guns is left behind. Now we will separately highlight the strengths and weaknesses of this unit, because everything is very ambiguous here. I want to point out right away that grades O-I World of Tanks will be placed based on the fact that we will get into battle at the top or in the middle of the list, since fighting against tanks two levels higher is always not a pleasant pleasure.
Pros:
Good booking;
Powerful and variable weapons;
Not a bad review;
Decent margin of safety.
Minuses:
Disgusting mobility;
Huge dimensions;
Poor accuracy and timing;
Problematic elevation angles.

Equipment for O-I

Of course, when installing additional modules on any tank, you should take care to enhance the existing advantages of the vehicle or neutralize its weaknesses. In a situation with O-I equipment chosen for the same reason:
1. - always set, if there is such an opportunity, because it allows us to increase our DPM.
2. - everything is very clear here, you need to do something with poor accuracy and this is the only good way to speed up mixing.
3. - a comprehensive increase in important parameters, it is never superfluous.

As usual, there are several alternatives to the last point, the first of which will be, because with it the tank becomes more sighted. The second variation is , it is placed because the Japanese O-I heavy tank is slow and very large, so the artillery will hit us often.

Crew training

The choice of skills for the crew is at least important point and in our case, everything is again ambiguous, since for some reason a second radio operator was put in the tank. However, you still need to get the most out of everything, and O-I perks learn the following:
Commander - , , , .
Gunner - , , , .
Driver mechanic - , , , .
Radio operator - , , , .
Radio operator - , , , .
Loader - , , , .

Equipment for O-I

In terms of the selection of consumables, everything is standard. Suitable for savings the best option will carry , and . If you want reliability and increased survivability, because we will have to tank often, it’s better to take on O-I equipment premium, where the fire extinguisher can be replaced with.

O-I tactics

Last but not least important nuance regarding how to play this giant. Regardless of which weapon you choose, on O-I combat tactics come down to who you have to fight.

If you get into a fight at the top of the list, you can feel like a king. Our harrow is strong, and our place is the first line, where all the fun happens. Of course, the ideal option would be a city map, where you can hide behind the houses and there will be no art before us. At the same time, the heavy tank O-I WoT can tank both frontally, turning the hull quite a bit, and sideways, leaving behind the shelter in a reverse rhombus, but at a serious angle. In such realities, everyone is afraid of our gun, and the emotions from one-shots (if a high explosive is selected) are indescribable.

As for the fights against the eighth levels, everything is much worse here. The armor no longer seems so good, the safety margin is quickly depleted and huge O-I dimensions World of Tanks are playing against us. In this case, it is better to stay away, try to completely reduce and inflict damage, peeking out from behind covers and the backs of comrades.

In any case, remember, our worst enemy is artillery, so you always need to take a position wisely. In addition, due to limited mobility, heavy O-I the tank can rightly be considered a machine of one direction, choosing which one will have to go to the end. Try to analyze the situation, deceive the enemy, take him to the shot and better not be alone. With an overwhelming number of enemies, we are like a mammoth that has been cornered.

Otherwise, the O-I tank is worth downloading, it is rightfully considered the pearl of its tech tree and brings a lot of fun in every battle in the top, especially if you play with a HE.