IJN Isuzu

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A-10A Thunderbolt (Early)
This page is about the Japanese light cruiser IJN Isuzu. For the JMSDF Isuzu frigate, see Isuzu.
IJN Isuzu
jp_cruiser_isuzu.png
GarageImage IJN Isuzu.jpg
IJN Isuzu
AB RB SB
5.0 5.0 5.0
Research:26 000 Specs-Card-Exp.png
Purchase:100 000 Specs-Card-Lion.png
Show in game

Description

The Nagara-class, IJN Isuzu, 1944 (五十鈴, namesake: Isuzu River) is a rank III Japanese light cruiser with a battle rating of 5.0 (AB/RB/SB). It was introduced in Update "Ixwa Strike".

The IJN Isuzu is in her 1944 refit, with the sole purpose of acting as a floating anti-aircraft platform in an attempt to counter the United States' air superiority and slow down their advance. To achieve this, her 140 mm guns were replaced with a 127 mm anti-air cannons, as well as a staggering 50 x 25 mm Type 96 anti-air cannons. Giving her an unparalleled anti-air capabilities for her rank in exchange of anti-ship firepower.

General info

Survivability and armour

Armourfront / side / back
Citadel0 / 63 / 29 mm
Hull25 mm (steel)
Superstructure8 mm (steel)
Number of section8
Displacement7 660 t
Crew510 people

Even when compared to the infamous Omaha-class cruisers such as the USS Trenton, the IJN Isuzu's protection is easily one of the worst among the range of cruisers in the game. Most of the Isuzu armour were concentrated around the engines, which were a double-layered RHA with 38 mm thickness for the outer layer and 25 mm for the inner layer. This armour can shield off the blast of HE shells, but will not protect her engines from SAP or AP shells.

As her crew compartments is mostly located on the first deck without protection, and as she has a large number of AA mounts, the Isuzu will lose a considerable amount of her crew with a few HE salvos. The ship's low crew count of 510 sailors will not help her to withstand enemy fire for long.

Mobility

Speedforward / back
AB78 / 29 km/h
RB67 / 25 km/h

With her low displacement, the IJN Isuzu is very fast and agile for a light cruiser. This will be important for the Isuzu's survival as you have to manoeuvre a lot to evade incoming fire.

Mobility Characteristics
Game Mode Upgrade Status Maximum Speed (km/h) Turn Time (s) Turn Radius (m)
Forward Reverse
AB Stock ___ ___
Upgraded 78 29
RB/SB Stock ___ ___
Upgraded 67 25

Modifications and economy

Repair costBasic → Reference
AB3 790 → 4 832 Sl icon.png
RB5 010 → 6 387 Sl icon.png
Total cost of modifications26 600 Rp icon.png
57 800 Sl icon.png
Talisman cost1 100 Ge icon.png
Crew training29 000 Sl icon.png
Experts100 000 Sl icon.png
Aces500 Ge icon.png
Research Aces320 000 Rp icon.png
Reward for battleAB / RB / SB
310 / 540 / 100 % Sl icon.png
142 / 142 / 142 % Rp icon.png
Modifications
Seakeeping Unsinkability Firepower
Mods new ship hull.png
Dry-Docking
Research:
1 800 Rp icon.png
Cost:
3 900 Sl icon.png
190 Ge icon.png
Mods new ship rudder.png
Rudder Replacement
Research:
1 000 Rp icon.png
Cost:
2 200 Sl icon.png
110 Ge icon.png
Mods new ship screw.png
Propeller Replacement
Research:
1 300 Rp icon.png
Cost:
2 800 Sl icon.png
140 Ge icon.png
Mods new ship engine.png
Engine Maintenance
Research:
2 900 Rp icon.png
Cost:
6 300 Sl icon.png
310 Ge icon.png
Mods ship tool kit.png
Tool Set
Research:
1 800 Rp icon.png
Cost:
3 900 Sl icon.png
190 Ge icon.png
Mods manual ship extinguisher.png
Fire Protection System
Research:
1 000 Rp icon.png
Cost:
2 200 Sl icon.png
110 Ge icon.png
Mods engine smoke screen system.png
Smokescreen
Research:
1 000 Rp icon.png
Cost:
2 200 Sl icon.png
110 Ge icon.png
Mods ship anti fragmentation protection.png
Shrapnel Protection
Research:
1 300 Rp icon.png
Cost:
2 800 Sl icon.png
140 Ge icon.png
Mods ship venting.png
Ventilation
Research:
1 300 Rp icon.png
Cost:
2 800 Sl icon.png
140 Ge icon.png
Mods new ship pumps.png
New Pumps
Research:
2 900 Rp icon.png
Cost:
6 300 Sl icon.png
310 Ge icon.png
Mods ship ammo wetting.png
Ammo Wetting
Research:
2 900 Rp icon.png
Cost:
6 300 Sl icon.png
310 Ge icon.png
Mods tank ammo.png
25mm_type96_naval_ap_ammo_pack
Research:
1 800 Rp icon.png
Cost:
3 900 Sl icon.png
190 Ge icon.png
Mods new aux caliber turrets.png
Auxiliary Armament Targeting
Research:
1 000 Rp icon.png
Cost:
2 200 Sl icon.png
110 Ge icon.png
Mod arrow 0.png
Mods tank ammo.png
127mm_jp_type1_naval_aa_distant_fuse_he_ammo_pack
Research:
1 000 Rp icon.png
Cost:
2 200 Sl icon.png
110 Ge icon.png
Mods tank ammo.png
25mm_type96_naval_incendiary_ammo_pack
Research:
1 000 Rp icon.png
Cost:
2 200 Sl icon.png
110 Ge icon.png
Mods new main caliber turrets.png
Primary Armament Targeting
Research:
1 300 Rp icon.png
Cost:
2 800 Sl icon.png
140 Ge icon.png
Mods ship rangefinder.png
Improved Rangefinder
Research:
1 300 Rp icon.png
Cost:
2 800 Sl icon.png
140 Ge icon.png

Armament

Primary armament

3 х Turret2 x 5 inch/40 Type 89 cannon
Ammunition400 rounds
Vertical guidance-8° / 85°

Isuzu's main armament consists of 6 x 5 inch (12.7 cm) cannons mounted in 3 turrets. They have no protection so they can be easily knocked out. There are 2 types of shells avaible: HE and HE-TF (time-fused). While HE shells aren't as effective against ships as the previous ship's (IJN Akizuki), time fuse shells can easily destroy enemy planes, especially when they are diving. In combination with the secondary armament, this ship excels in anti-aircraft fire. Fire rate isn't quick, but it is enough to aim a few shells at air targets.

Secondary armament

17 х Turret25 mm/60 Type 96 automatic cannon
Ammunition1500 rounds
Belt capacity15 rounds
Fire rate261 shots/min
11 х Turret3 x 25 mm/60 Type 96 automatic cannon
Ammunition4500 rounds
Belt capacity15 rounds
Fire rate261 shots/min

As an anti-air cruiser, the Isuzu is equipped with 50 x 25 mm Type 96 AA cannons placed all over the ship, a large amount of AA guns of a Japanese ship (only behind the Tone with 62 AA guns). The sheer amount of the guns give the Isuzu a massive burst output that will deter any aerial threats from getting close.

Additional armament

Setup 18 x 610 mm Type 93 Model 1, Mod 2 torpedo

The only capable anti-ship weaponry the Isuzu have at her disposal is eight Type 93 Model 1 "Long Lance" torpedoes launched from quadruple launchers on each side of the ship. As the previous ship in the line, the Yugumo, demonstrated its potential, these fast and deadly torpedoes need no further introduction. Although the Isuzu carries only half of the "Long Lance" of the Yugumo and is therefore less effective at long-range anti-ship duties.

Usage in battles

Due to her disproportional main and secondary/anti-air armament, the Isuzu is essentially an oversized destroyer in term of playstyle. The Isuzu's six 127 mm guns are reasonably effective against most destroyer she will usually face, but is inadequate against anything larger than that. Thus, the Isuzu perform best as an escort ship, providing supplementary and anti-air support for friendly ship, while the Long Lance torpedoes can help the Isuzu to sink some enemy ships.

Pros and cons

Pros:

  • 127 mm guns have good rate of fire and good traverse speed
  • 50 x 25 mm AA guns gives the Isuzu one of the best AA defence capability in the Japanese fleet
  • Very good top speed and mobility
  • Equipped with deadly Type 93 torpedoes

Cons:

  • Extremely poor protection
  • Engines and transmission can be easily damaged
  • 127 mm guns lack stopping power against enemy cruisers
  • Will be always outgunned by every cruiser and even some destroyers
  • Open turrets with lack of gun shield, can be easily disabled

History

Describe the history of the creation and combat usage of the ship in more detail than in the introduction. If the historical reference turns out to be too long, take it to a separate article, taking a link to the article about the ship and adding a block "/History" (example: https://wiki.warthunder.com/(Ship-name)/History) and add a link to it here using the main template. Be sure to reference text and sources by using <ref></ref>, as well as adding them at the end of the article with <references />. This section may also include the ship's dev blog entry (if applicable) and the in-game encyclopedia description (under === In-game description ===, also if applicable).

Media

Excellent additions to the article would be video guides, screenshots from the game, and photos.

See also

Links to articles on the War Thunder Wiki that you think will be useful for the reader, for example:

  • reference to the series of the ship;
  • links to approximate analogues of other nations and research trees.

External links

Paste links to sources and external resources, such as:

  • topic on the official game forum;
  • other literature.


Uraga Dock Company (浦賀船渠株式会社)
Sub Chasers 
Type 1  Type K-3 No.1
Destroyers 
Yugumo-class  IJN Kiyoshimo
Light Cruisers 
Nagara-class  IJN Isuzu

Japan light cruisers
Kuma-class  IJN Kuma
Yubari*  IJN Yubari
Nagara-class  IJN Isuzu
Sendai-class  IJN Sendai
Agano-class  IJN Agano
Mogami-class  IJN Mikuma · IJN Suzuya
  * = Unique ship