Difference between revisions of "So-Ki"

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A-10A Thunderbolt (Early)

So-Ki

So-Ki

AB	RB	SB
3.0	3.0	3.0

Class:

SPAA

Research:14 000

Purchase:32 000

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Description

The So-Ki is a rank II Japanese self-propelled anti-aircraft gun with a battle rating of 3.0 (AB/RB/SB). It was introduced along with the initial Japanese Ground Forces tree in Update 1.65 "Way of the Samurai".

This anti-aircraft vehicle features dual Type 98 20 mm cannons which have high-velocity capability and great mobility. The tank is quite fast, being built off the chassis of the Type 98 Ke-Ni, and can run away quite fast. You can use it as a scout by shooting other tanks so they show up on the map, but your primary role should be AA. This tank performs decently at it's BR of 3.3, but you'll soon get sick of it as you'll be stuck with it until the M42 Duster. Either way, it is a fairly decent AA vehicle.

General info

Survivability and armour

Due to the non-existent armour, literally anything can destroy the So-Ki. Enemies armed with .50 cals - tanks and planes - are particularly deadly, as they can pierce through the weak armour with no problem. Destroying this tank is easy, with a shot slightly to the right of the driver's hatch for a one-shot to knock out both crew members in the hull. A common way to go is to incapacitate the gunner, waiting for him to be replaced, and then knocking him out again. That or hull break. Fortunately, this thing is pretty fast, and there are some instances where you can literally outrun shells from enemies shooting at a fair distance away.

Armour type:

Rolled homogeneous armour

Armour	Front	Sides	Rear	Roof
Hull	16 mm (16-19°) Front plate 16 mm (11-72°) Front glacis 16 mm (29-48°) Lower glacis	12 mm	10 mm (12-51°)	9 mm
Turret	8 mm (10-14°)	N/A	N/A	N/A

Notes:

Suspension wheels and tracks are both 15 mm thick.

Mobility

Game Mode	Max Speed (km/h)		Weight (tons)	Engine power (horsepower)		Power-to-weight ratio (hp/ton)
Game Mode	Forward	Reverse	Weight (tons)	Stock	Upgraded	Stock	Upgraded
Arcade	54	8	7	136	248	19.43	35.43
Realistic	50	8	7	115	130	16.43	18.57

A three-quarter view of an early 20 mm So-Ki SPAAG.

The So-Ki is quite fast, being built off of the Type 98 Ke-Ni, so use this blistering speed to your advantage. You can be a scout and shoot enemies so they appear on your map - but only do this if you have a clear way to escape and aren't in danger of being sniped by an enemy sitting on a hill 700 meters away.

Armaments

Main armament

Main article: Type 98 (20 mm)

Double the guns means double the difficulty enemy aircraft will have with dealing with you, so be sure to aim for engines and at the centre of planes - your exposed cabin means that planes will often try to dive on you, hoping to score an easy knockout - give them a nasty surprise by filling their engines with Type 100 HE-T shells. That being said, always, always, always pay attention to what's going on in the air. Your gunner gets knocked out quickly, so be sure to always be aware of the battle in the air, as well as on the ground.

20 mm Type 98 (x2)						Turret rotation speed (°/s)					Reloading rate (seconds)
Mode	Capacity (Belt)	Fire rate	Vertical	Horizontal	Stabilizer	Stock	Upgraded	Full	Expert	Aced	Stock	Full	Expert	Aced
Arcade	520 (20)	300	-10°/+85°	±180°	N/A	35.22	48.75	59.20	65.47	69.65	3.90	3.45	3.18	3.00
Realistic	520 (20)	300	-10°/+85°	±180°	N/A	23.80	28.00	34.00	37.60	40.00	3.90	3.45	3.18	3.00

Ammunition

Default: API-T · HEFI-T · HEFI-T
Type 100 HE-T: HEFI-T
Type 100 AP-T: API-T

Penetration statistics
Belt	Penetration @ 0° Angle of Attack (mm)
Belt	10 m	100 m	500 m	1,000 m	1,500 m	2,000 m
Default	48	45	35	26	19	14
Type 100 HE-T	2	2	2	2	2	2
Type 100 AP-T	48	45	35	26	19	14

Belt details
Belt	Type of warhead	Velocity (m/s)	Projectile Mass (kg)	Fuse delay (m)	Fuse sensitivity (mm)	Explosive Mass (TNT equivalent) (g)	Ricochet
Belt	Type of warhead	Velocity (m/s)	Projectile Mass (kg)	Fuse delay (m)	Fuse sensitivity (mm)	Explosive Mass (TNT equivalent) (g)	0%	50%	100%
Type 100 HE-T	HEFI-T	950	0.13	0	0.1	6	79°	80°	81°
Type 100 AP-T	API-T	928	0.16	N/A	N/A	N/A	47°	60°	65°

Ammo racks

Ammo racks of the So-Ki

Full ammo	1st rack empty	Visual discrepancy
26	2 (+24)	No

Usage in battles

Capture bases and attack lightly armoured targets when you can. For the most part you should be focused on an AA role, rather than an AT one, so always be listening for aircraft engines.

At its battle rating, the So-Ki can penetrate the sides of some tanks like the M4 Sherman and Pz.Kpfw. IV ausf. F2 and Pz.Kpfw. III series, but this is only at close range and generally the idea of using this tank to engage medium tanks not a very good one. This tank can deal with many lightly armoured targets like other SPAAs and some light tanks, so if you feel lucky then that is always a viable option. As for an AA role, this tank's performance is good enough for the job. It can shoot down low-flying aircraft with relative ease, and anyone who knows where to aim can easily shoot down most aircraft this tank will meet.

Modules

Tier	Mobility		Protection	Firepower
I	Tracks		Parts	Horizontal Drive	Type 100 HE-T
II	Suspension	Brake System	FPE	Adjustment of Fire	Type 100 AP-T
III	Filters		Crew Replenishment	Elevation Mechanism
IV	Transmission	Engine		Artillery Support

Pros and cons

Pros:

Rapid firing cannons allow for excellent aerial coverage
Great vehicle mobility allowing for fast repositioning
Frontal protection from light machinegun
Great ammunition storage capacity
Fast reloading time

Cons:

Gunner crew is exposed and have no rear protection
Very vulnerable to incoming artillery rounds and aerial strafing/bombing
Rapid firing easily depletes ammunition magazines, trigger control required

History

Prior to World War II, Japan experimented with developing a SPAAG which could be mounted to several different platforms, including trucks, tanks and railroad cars. Production ended up developing a SPAAG which could shoot down aircraft at low altitudes, however, the Japanese military wanted their SPAAGs to have the capability to also shoot down aircraft at medium altitudes too. Along with the requirement to shoot down aircraft at low and medium altitudes,m the SPAAG needed to also be highly mobile and capable of providing protection to convoys from aerial attack as a defensive vehicle also.

By 1941, Japan started prototyping two variations of the new SAAG, a single mounted Type 98 20 mm cannon known as "Ta-Se" short for Taikū ("anti-air") sensha ("tank") and the "So-Ki" which featured dual-mounted Type 98 20 mm cannons. The platform which was chosen for the SPAAG was the newly built Type 98 Ke-Ni light tank with its turret removed and the dual cannon platform installed.

The crew positions of the So-Ki featured a driver situated in the centre of the vehicle and right under the anti-aircraft gun emplacement. To aid in protecting the cannon crew (gunner and loaders) a gun shield was added to block or deflect small arms fire, however, it was no match for a direct tank shell hit or strafing attack by fighters, attackers and dive bombers. A bench for the crew was mounted at the rear of the platform and could be folded out of the way to allow for placement of more ammunition magazines if necessary.

The total ammunition capacity for this vehicle was 22 belts plus two more already loaded in the cannons. The rate of fire for the Type-98 cannons was around 830 rounds per minute, however, velocities between rounds differed as they were comprised of different weights due to round type and explosive filler. Unfortunately, the So-Ki never entered production as by the time it was ready to enter service the needs of Japanese anti-aircraft vehicles had significantly evolved meaning the So-Ki was already outdated. The Japanese were also having a difficult time massing sufficient resources necessary for the production of this unit because of Allied progression in the Pacific front

Media

So-Ki SPAAG Vehicle Review - NuSensei

External links

Japan anti-aircraft vehicles
Ke-Ni Derivatives	Ta-Se · So-Ki
Wheeled	Type 94
Tracked	SUB-I-II
Radar SPAAG	Type 87
Missile SPAA	Type 93 · Type 81 (C)
USA	▅M16 MGMC · ▅M19A1 · ▅M42

@@ Line 34: / Line 34: @@
 <!-- ''Write about the mobility of the ground vehicle. Estimate the specific power and manoeuvrability, as well as the maximum speed forwards and backwards.'' -->
-{{tankMobility|abMinHp= 136|rbMinHp= 115}}
+{{tankMobility|abMinHp=136|rbMinHp=115}}
+[[File:TYPE-98-Ho-Ki SPAAG 1.jpg|right|thumb|A three-quarter view of an early 20 mm So-Ki SPAAG.]]
 The {{PAGENAME}} is quite fast, being built off of the Type 98 Ke-Ni, so use this blistering speed to your advantage. You can be a scout and shoot enemies so they appear on your map - but only do this if you have a clear way to escape and aren't in danger of being sniped by an enemy sitting on a hill 700 meters away.
@@ Line 41: / Line 42: @@
 === Main armament ===
 <!-- ''Give the reader information about the characteristics of the main gun. Assess its effectiveness in a battle based on the reloading speed, ballistics and the power of shells. Do not forget about the flexibility of the fire, that is how quickly the cannon can be aimed at the target, open fire on it and aim at another enemy. Add a link to the main article on the gun: <code><nowiki>{{main|Name of the weapon}}</nowiki></code>. Describe in general terms the ammunition available for the main gun. Give advice on how to use them and how to fill the ammunition storage.'' -->
-[[File:TYPE-98-Ho-Ki SPAAG 1.jpg|right|thumb|A three-quarter view of an early 20 mm So-Ki SPAAG.]]
 {{main|Type 98 (20 mm)}}
@@ Line 48: / Line 48: @@
 {| class="wikitable" style="text-align:center" width="100%"
 |-
-! colspan="5" | [[Type 98 (20 mm)|20 mm Type 98]] || colspan="5" | Turret rotation speed (°/s) || colspan="4" | Reloading rate (seconds)
+! colspan="6" | [[Type 98 (20 mm)|20 mm Type 98]] (x2) || colspan="5" | Turret rotation speed (°/s) || colspan="4" | Reloading rate (seconds)
 |-
-! Mode !! Capacity !! Vertical !! Horizontal !! Stabilizer
+! Mode !! Capacity (Belt) !! Fire rate !! Vertical !! Horizontal !! Stabilizer
 ! Stock !! Upgraded !! Full !! Expert !! Aced
 ! Stock !! Full !! Expert !! Aced
 |-
 ! ''Arcade''
-| rowspan="2" | 520 || rowspan="2" | -10°/+85° || rowspan="2" | ±180° || rowspan="2" | N/A || 35.2 || 48.7 || __._ || 65.5 || 69.6 || rowspan="2" | 3.9 || rowspan="2" | 3.4 || rowspan="2" | 3.2 || rowspan="2" | _._
+| rowspan="2" | 520 (20) || rowspan="2" | 300 || rowspan="2" | -10°/+85° || rowspan="2" | ±180° || rowspan="2" | N/A || 35.22 || 48.75 || 59.20 || 65.47 || 69.65 || rowspan="2" | 3.90 || rowspan="2" | 3.45 || rowspan="2" | 3.18 || rowspan="2" | 3.00
 |-
 ! ''Realistic''
-| 23.8 || 28.0 || 34.0 || 37.6 || 40.0
+| 23.80 || 28.00 || 34.00 || 37.60 || 40.00
 |-
 |}
 ==== Ammunition ====
+* '''Default:''' {{Annotation|API-T|Armour-piercing incendiary tracer}}{{-}}{{Annotation|HEFI-T|High-explosive fragmentation incendiary tracer}}{{-}}{{Annotation|HEFI-T|High-explosive fragmentation incendiary tracer}}
+* '''Type 100 HE-T:''' {{Annotation|HEFI-T|High-explosive fragmentation incendiary tracer}}
+* '''Type 100 AP-T:''' {{Annotation|API-T|Armour-piercing incendiary tracer}}
 {| class="wikitable sortable" style="text-align:center" width="100%"
 ! colspan="8" | Penetration statistics
 |-
-! rowspan="2" data-sort-type="text" | Ammunition
+! rowspan="2" data-sort-type="text" | Belt
-! rowspan="2" | Type of<br>warhead
 ! colspan="6" | '''Penetration @ 0° Angle of Attack (mm)'''
 |-
 ! 10 m !! 100 m !! 500 m !! 1,000 m !! 1,500 m !! 2,000 m
 |-
-| Type 100 AP-T || API-T || 40 || 38 || 29 || 21 || 16 || 11
+| Default || 48 || 45 || 35 || 26 || 19 || 14
 |-
-| Type 100 HE-T || HEFI-T || 2 || 2 || 2 || 2 || 2 || 2
+| Type 100 HE-T || 2 || 2 || 2 || 2 || 2 || 2
+|-
+| Type 100 AP-T || 48 || 45 || 35 || 26 || 19 || 14
 |-
 |}
 {| class="wikitable sortable" style="text-align:center" width="100%"
-! colspan="11" | Shell details
+! colspan="10" | Belt details
 |-
-! rowspan="2" data-sort-type="text" | Ammunition
+! rowspan="2" data-sort-type="text" | Belt
 ! rowspan="2" | Type of<br>warhead
 ! rowspan="2" | Velocity<br>(m/s)
@@ Line 87: / Line 92: @@
 ! rowspan="2" | Fuse sensitivity<br>(mm)
 ! rowspan="2" | Explosive Mass<br>(TNT equivalent) (g)
-! rowspan="2" | Normalisation at 30°<br>from horizontal
 ! colspan="3" | Ricochet
 |-
 ! 0% !! 50% !! 100%
 |-
-| Type 100 AP-T || API-T || 928 || 0.155 || N/A || N/A || N/A || -1.0° || 47° || 60° || 65°
+| Type 100 HE-T || HEFI-T || 950 || 0.13 || 0 || 0.1 || 6 || 79° || 80° || 81°
 |-
-| Type 100 HE-T || HEFI-T || 950 || 0.133 || 0.3 || 0.1 || 6 || +0.0° || 79° || 80° || 81°
+| Type 100 AP-T || API-T || 928 || 0.16 || N/A || N/A || N/A || 47° || 60° || 65°
-|-
-|}
-===Belt types===
-{| class="wikitable"
-! Belts !! Shell composition !! Combat usage
-|-
-| Default || {{Annotation|API-T|Armour-Piercing Incendiary Tracer}}{{-}}{{Annotation|HEFI-T|High-Explosive Fragmentation Incendiary Tracer}} ||
-|-
-| Type 100 HE-T || {{Annotation|HEFI-T|High-Explosive Fragmentation Incendiary Tracer}} ||
-|-
-| Type 100 AP-T || {{Annotation|API-T|Armour-Piercing Incendiary Tracer}} ||
 |-
 |}
@@ Line 118: / Line 110: @@
 ! Visual<br>discrepancy
 |-
-| '''26''' || 2&nbsp;''(+12)'' || style="text-align:left" | No
+| '''26''' || 2&nbsp;''(+24)'' || No
 |-
 |}
@@ Line 127: / Line 119: @@
 At its battle rating, the So-Ki can penetrate the sides of some tanks like the M4 Sherman and Pz.Kpfw. IV ausf. F2 and Pz.Kpfw. III series, but this is only at close range and generally the idea of using this tank to engage medium tanks not a very good one. This tank can deal with many lightly armoured targets like other SPAAs and some light tanks, so if you feel lucky then that is always a viable option. As for an AA role, this tank's performance is good enough for the job. It can shoot down low-flying aircraft with relative ease, and anyone who knows where to aim can easily shoot down most aircraft this tank will meet.
-===Modules===
+=== Modules ===
 {| class="wikitable"
-!Tier
+! Tier
-! colspan="2" |Mobility
+! colspan="2" | Mobility
-!Protection
+! Protection
-! colspan="2" |Firepower
+! colspan="2" | Firepower
 |-
-|I
+| I
-|Tracks||
+| Tracks
-|Parts
+|
-|Horizontal Drive
+| Parts
-|Type 100 HE-T
+| Horizontal Drive
+| Type 100 HE-T
 |-
-|II
+| II
-|Suspension||Brake System
+| Suspension
-|FPE
+| Brake System
-|Adjustment of Fire
+| FPE
-|Type 100 AP-T
+| Adjustment of Fire
+| Type 100 AP-T
 |-
-|III
+| III
-|Filters||
+| Filters
-|Crew Replenishment
+|
-|Elevation Mechanism
+| Crew Replenishment
+| Elevation Mechanism
 |
 |-
-|IV
+| IV
-|Transmission||Engine
+| Transmission
+| Engine
 |
-|Artillery Support
+| Artillery Support
 |
 |-
 |}
 === Pros and cons ===
 <!-- ''Summarise and briefly evaluate the vehicle in terms of its characteristics and combat effectiveness. Mark its pros and cons in a bulleted list. Try not to use more than 6 points for each of the characteristics. Avoid using categorical definitions such as "bad", "good" and the like - use substitutions with softer forms such as "inadequate" and "effective".'' -->
@@ Line 192: / Line 190: @@
 == See also ==
 ''Links to the articles on the War Thunder Wiki that you think will be useful for the reader, for example:''
 * ''reference to the series of the vehicles;''
 * ''links to approximate analogues of other nations and research trees.''
@@ Line 202: / Line 199: @@
 * ''other literature.'' -->
-* [https://warthunder.com/en/news/4378-development-so-ki-elusive-twin-guns-en/ [Devblog<nowiki>]</nowiki> So-Ki: Elusive Twin Guns]
+* [[wt:en/news/4378-development-so-ki-elusive-twin-guns-en/|[Devblog] So-Ki: Elusive Twin Guns]]
 * [http://sensha-manual.blogspot.com/2016/12/wt-so-ki-spaa.html [Sensha<nowiki>]</nowiki> - [WT<nowiki>]</nowiki> So-Ki SPAA]
 {{Japan anti-aircraft vehicles}}

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