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[NJORD]
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Hello everybody,

 

I have put together history and possible implementation of heavy aircraft carrier Shinano in World of Warships.
Please keep in mind that this is just fan made side, not official news of upcoming new premium ship.
Also I apologize for any grammar mistakes, english is not my native language.

 

Shinano
History:
Creation
Shinano was laid down on 4 May 1940 at Yokosuka Naval Arsenal as the third of Yamato class battleships.
After battle of Midway in May 1942, where IJN lost 4 fleet carriers, it was desided to convert Shinano into aircraft carrier.
Shinano had great armored protection and with 72 000t displacement she was the heaviest aircraft carrier in the world until post-war US aircraft carriers. 
She was one of two aircraft carriers with armored flight deck and large island on starboard (like Taiho). She had only one hangar.
She shared great armor belt and anti-torpedo bulges of the Yamato class battleship.
However her hangar sides were unarmored (for better stability). 
Shinano was supposted to be a heavily armored aircraft carrier with reserve aircrafts and fuel because she too slow to be a fleet carrier.

Short career
On 19 November 1944 she was commissioned at Yokosuka. After U.S. reconnaissance aircraft had flown over it was desided not to risk and finish fitting out Shinano and crew training in Kure.

On 28 November Shinano departed with 3 destroyers (Isokaze,Yukikaze and Hamakaze). She and her escord were forced to make nighttime run because Navy General Staff could not provide air support. She carried 6 Shinyo suicide boats and 50 Ohka suicide flying bombs.
At 20:48 American submarine Archerfish spotted Shinano and her escort on radar and pursued them.
At 22:45 Archerfish was spotted and Shinano and her escort increased speed to outrun Archerfish.
Around 23:22 Shinano was forced to reduce speed to prevent damage to the propeller shaft.
At 03:15 Archerfish fired 6 torpedoes. Four of them struck Shinano
Due to inexperienced crew and not finished equipment of the ship, she was flooded and at 10:57 she capsized and sank.
With her 1,435 officers, men and civilians were lost. Escort managed to rescue 1,080 men.

 

 

Shinano_1.jpg.5c612fce447b3ee4b9f4c91af1660db4.jpg

Photo of Shinano during sea trials in Tokyo Bay

Shinano in World of Warships:
Class: Aircraft carrier

Tier: IX 
I think that she could be premium ship just like Missouri or Musashi- with research prize of 750 000 XP.
Tier VIII is for her too low, while tier X is too much.

 

General characteristics:
Lenght: 265,8 m
Beam: 36,3 m
Draught: 10,3 m
Flight deck lenght: 255,9m
Flight deck width: 40,1m
Displacement (when fully loaded): 72 000t

 

Maneuverability:
Engine power: 111 855 kW
Maximum speed: 27 knots
Turning circle radius: 900m
Rudder shift time: 22,4 sec.

 

Armor and hitpoints:
Hitpoints: 62 000 HP
Armor: -waterline armor belt thickness: -400mm - abreast magazines
                                                                 -160mm - elsewhere
            -strake below: 200mm to 75mm (at its bottom edge)
            -armor deck over machinery and magazines: 100mm to 190mm
            -armor towards the main armor belt: 230mm (sloped)
            -external anti-torpedo bulges
            -armored fuel tanks (with concrete->prevents fumes from escaping)
            -armored flight deck: 80mm (some sources claim it was 75mm)
Torpedo damage reduction: 41%

 

Secondary armament: 8x2 127mm Type 89 Dual-purpose guns

 

Anti aircraft defence:
Long range (5km): 8x2 127mm Type 89 Dual-purpose guns
Medium range (3km): 35x3 25mm Type 96 AA guns (some sources claim it was together 145, not 105)
Short range (2km): 12x28 120mm AA rocket launchers
Shinano would have better short range AA armament than Essex and Taiho but slightly worse long range armament.
She would also have Defensive AA Fire ability with 1 charge and 360 sec. cooldown (same as any other tier VIII+ aircraft carrier).
This way she won't be that easy to sink her in early game.

 

Air group:
Air group is the main strike force of an aircraft carrier. Shinano is not different.

Fighters: 

Mitsubishi A7M1 -speed: 176 knots
                              -average damage per second: 73
                              -loadout: 35
                              -hitpoints: 1,830 HP
Torpedo bombers: 
Aichi B7A2 -speed: 156 knots
                    -maximum torpedo damage: 8,567 HP
                    -hitpoints: 1,950 HP
Dive bombers:
Aichi B7A2 -speed: 156 knots
                    -maximum bomb damage: 4600 HP (HE bomb)
                    -hit points: 1,860 HP
I suggest that Shinano would have same planes as Taiho but instead of groups with 4 planes, she would have groups with 6 planes.
However this will decrease number of air groups so istead of Taiho's 7 air groups, she would have 5.


Flight control:
I think that Shinano could have 2 flight mod controls.
1st flight control mod: - 1 fighter group
                                         - 2 torpedo bomber groups
                                         - 2 dive bomber groups
                                 This is for aggressive playstyle.
2nd flight control mod: - 2 fighter groups
                                          - 1 torpedo bomber group
                                          - 2 dive bomber groups
                                 This is more balanced control mod.
(I was thinking about 3/1/1 flight mod but then I rejected it because it has weak anti-ship capability...)


Hangar capacity:
Here are things little bit difficult. Historicaly Shinano is heavy support aircraft carrier, not fleet carrier.
At first Shinano had 18 planes. This was later increased to 47 planes.
Let's consider that Shinano in WoWs has 47 planes. This is good for tier VI aircraft carrier (Ryujo has 48) but at tier IX it is terrible.


1st solution:
I suggest that Shinano could have special consumable which will repair lost planes. 
Something like repair party for battleships but instead of repairing lost hitpoints it would repair aircrafts.
Shinano could have 3 charges of this consumable (4 with superintendent).
It would repair from 10 lost planes in hangar up to 12 planes. This gives us total number of planes that could be put into action: from 77 to 83 planes (depending how effective this consumable is used).
With superintendent would be total number of planes from 87 to 95 planes.
For comparison: Taiho has 83 planes and Essex has 90 planes (when fully upgraded)
This is my suggestion if we want to stay historically accurate.


2nd solution:
We ignore that historically Shinano had only 48 planes and simply (instead of giving Shinano special consumable) we'd calculate maximum hangar capacity.
I think it could be about 96 planes because it is bigger that Essex but it can't be much higher (for balancing reasons).

 

Concealment:
Surface detectability range: 17,3km
Air detectability range: 15,7km

 

Shinano_2.thumb.png.96cac5dbcba2d38837e2a06685a5592c.png

Blueprint of Shinano


Summary:
Shinano would be heavily armored aircraft carrier with bad concealment, bad rudder shift time and slow acceleration.
On the other hand she would have great air group and large hangar capacity with decent AA defence and premium status.

 

 

I will be glad if you leave your comment below. This is my first article on WoWs forum so I hope it was good enough and I hope you enjoyed it.

 

 

 


Resourses:
Informations:
Book- Encyklopedie Válečných lodí od 2. světové války až po současnost, Robert Jackson, Naše Vojsko

Pictures:
Wikipedia-Shinano
The blueprints-carriers-japan-Shinano

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I would absolutely love for Shinano to become part of this game! :Smile_great:

You did very well on your first article ever, have +1 from me! :Smile_medal:

People tend to forget that actually creating such an article is not as easy as it may seem (kinda like someone like Flamu makes it seem sooo easy to shoot 300k dmg with a tier 5 ships lol).

 

I even used to roleplay with a friend back when we were young, we even envisioned the 4th being completed and I named it Hokkaido (not very realistic but it sounded totally awesome back then! :cap_wander_2:).

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Nice work, I know how much work something like this takes. Depending on how Wargaming will change carrier gameplay she could indeed be a very nice tier 9 premium ship. The unique consumable is also a very nice idea, do you have any other ideas for new consumables or significantly changed existing ones?

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[NJORD]
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Před 28 minutami EwoudK řekl/a:

Nice work, I know how much work something like this takes. Depending on how Wargaming will change carrier gameplay she could indeed be a very nice tier 9 premium ship. The unique consumable is also a very nice idea, do you have any other ideas for new consumables or significantly changed existing ones?

Well, I would change radar. Radar nowadays spots everything to certain distance while completely ignoring any natural obstacles- islands, rocks, mountains...

This is not how radar works. I would rework spotting with radar over islands. Let's say that we have cruiser, destroyer and island between them. Cruiser uses radar but he cant see destroyer because island is in the way. The destroyer would be in some kind of "radar shadow". This is how I would rework it.

 

Also I would decrease amount of restored hit points of tier IX and X  british battleships by repair party. And as a compesation for that I would give their repair party opportunity to repair some of the destroyed AA armament or secondary armament.

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[ADRIA]
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19 minutes ago, vojtaruner said:

Radar nowadays spots everything to certain distance while completely ignoring any natural obstacles- islands, rocks, mountains...

It also lasts for just a brief moment instead of being active all the time.

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