Type K-3 No.1

From War Thunder Wiki
(Redirected from CH-2)
Jump to: navigation, search
Rank VI USA | Premium | Golden Eagles
A-10A Thunderbolt (Early)
Type K-3 No.1
jp_no1_ch2.png
GarageImage Type K-3 No.1.jpg
GarageImage Type K-3 No.1 (2).jpg
Type K-3 No.1
Research:26 000 Specs-Card-Exp.png
Purchase:76 000 Specs-Card-Lion.png
Show in game

Description

The Japanese Project K3, No.1-class Submarine Chaser No.1 was completed in March 1934 as a part of the Maru 1 Programme. It was the first class of the dedicated Anti-Submarine Warfare vessels in the Imperial Japanese Navy. The major advantage of the vessel was its high speed, while the key issue was a problem with the strength of the hull, which was later addressed in refits, modification of the No.3 subclass before it was built and finally, fully resolved in the No.4-class. She spent most of her service in the southern seas, survived the war without any notable successes, and finally was scuttled by the Royal Navy off Singapore.

The Type K-3 No.1, Kusentei was introduced in Update 1.89 "Imperial Navy". The ship has a powerful and varied combination of weapons, as well as good survivability compared to the other vessels in her BR. Her main disadvantages come from being such a large vessel - she has a low manoeuvrability and is easy to hit with nearly anything, from bombs and rockets to artillery strikes.

General info

Survivability and armour

Armourfront / side / back
Hull6 mm (steel)
Superstructure4 mm (steel)
Number of section5
Displacement383 t
Crew65 people

Relatively well-armoured, large ship with high survivability for its rank. Its major weakness is in being prone to fires. Major strength in a high crew count of 65, one of the largest in its battle rating class (after HMCS Brantford). Weapons are relatively well distributed, making them a difficult targets to take down separately. While the ship itself is large in size, its frontal cross-section is relatively small, making it a tricky target in a hands of a more experienced player. Secondary anti-aircraft armament, while powerful, is centred around sides, making ship most prone to the attacks from a rear. Another potential weak-point are ammunition racks exposed over the water line, however those can be minimized by reducing the ammunition count by half.

Mobility

Speedforward / back
AB59 / 22 km/h
RB39 / 14 km/h
Type K-3 taking evasive action to avoid incoming torpedoes

While the ship is relatively large it's still characterized with a comparatively high manoeuvrability. While the base speed is 44 km/h, a fully-upgraded setup can reach an impressive maximum speed of 59 km/h. Combined with a Rudder Replacement K-3 can choose engagements even with a number of torpedo boats.

Mobility Characteristics
Game Mode Upgrade Status Maximum Speed (km/h) Turn Time (s) Turn Radius (m)
Forward Reverse
AB Stock ___ ___
Upgraded 59 22
RB/SB Stock ___ ___
Upgraded 39 14

Modifications and economy

Repair costBasic → Reference
AB1 221 → 1 539 Sl icon.png
RB1 861 → 2 346 Sl icon.png
Total cost of modifications27 800 Rp icon.png
52 100 Sl icon.png
Talisman cost1 100 Ge icon.png
Crew training22 000 Sl icon.png
Experts76 000 Sl icon.png
Aces500 Ge icon.png
Research Aces320 000 Rp icon.png
Reward for battleAB / RB / SB
90 / 110 / 100 % Sl icon.png
142 / 142 / 142 % Rp icon.png
Modifications
Seakeeping Unsinkability Firepower
Mods new ship hull.png
Dry-Docking
Research:
1 300 Rp icon.png
Cost:
2 400 Sl icon.png
145 Ge icon.png
Mods new ship rudder.png
Rudder Replacement
Research:
1 000 Rp icon.png
Cost:
1 900 Sl icon.png
110 Ge icon.png
Mods new ship screw.png
Propeller Replacement
Research:
1 700 Rp icon.png
Cost:
3 200 Sl icon.png
190 Ge icon.png
Mods new ship engine.png
Engine Maintenance
Research:
2 200 Rp icon.png
Cost:
4 100 Sl icon.png
250 Ge icon.png
Mods ship damage control crew.png
Damage Control Division
Research:
1 300 Rp icon.png
Cost:
2 400 Sl icon.png
145 Ge icon.png
Mods ship fire control crew.png
Fire Division
Research:
1 000 Rp icon.png
Cost:
1 900 Sl icon.png
110 Ge icon.png
Mods engine smoke screen system.png
Smokescreen
Research:
1 000 Rp icon.png
Cost:
1 900 Sl icon.png
110 Ge icon.png
Mods new ship pumps.png
New Pumps
Research:
2 200 Rp icon.png
Cost:
4 100 Sl icon.png
250 Ge icon.png
Mods tank ammo.png
40mm_type91_naval_he_ammo_pack
Research:
1 300 Rp icon.png
Cost:
2 400 Sl icon.png
145 Ge icon.png
Mods tank ammo.png
25mm_type96_naval_ap_ammo_pack
Research:
1 300 Rp icon.png
Cost:
2 400 Sl icon.png
145 Ge icon.png
Mods new aux caliber turrets.png
Auxiliary Armament Targeting
Research:
1 000 Rp icon.png
Cost:
1 900 Sl icon.png
110 Ge icon.png
Mods tank ammo.png
40mm_type91_naval_sap_ammo_pack
Research:
1 000 Rp icon.png
Cost:
1 900 Sl icon.png
110 Ge icon.png
Mods tank ammo.png
40mm_type91_naval_sap_ammo_pack
Research:
1 000 Rp icon.png
Cost:
1 900 Sl icon.png
110 Ge icon.png
Mods tank ammo.png
25mm_type96_naval_incendiary_ammo_pack
Research:
1 000 Rp icon.png
Cost:
1 900 Sl icon.png
110 Ge icon.png
Mods new main caliber turrets.png
Primary Armament Targeting
Research:
1 700 Rp icon.png
Cost:
3 200 Sl icon.png
190 Ge icon.png
Mods tank ammo.png
40mm_type91_naval_dist_fuse_ammo_pack
Research:
1 700 Rp icon.png
Cost:
3 200 Sl icon.png
190 Ge icon.png
Mods depth charge.png
Depth Charges
Research:
1 700 Rp icon.png
Cost:
3 200 Sl icon.png
190 Ge icon.png
Mods ship art support.png
Artillery Support
Research:
2 200 Rp icon.png
Cost:
4 100 Sl icon.png
250 Ge icon.png
Mods ship rangefinder.png
Improved Rangefinder
Research:
2 200 Rp icon.png
Cost:
4 100 Sl icon.png
250 Ge icon.png

Armament

Primary armament

Turret2 x 40 mm/62 Vickers autocannon
Ammunition4400 rounds
Belt capacity50 rounds
Fire rate200 shots/min
Vertical guidance-10° / 75°
Manned by two gunners 40 mm Vickers has a horizontal guidance of 180° and vertical -10°/+75°, making it an excellent dual-purpose gun.

Primary weapon is a relatively low-shell-speed, high-arcing, high rate of fire dual-barrel 40 mm Vickers autocannon. It's an excellent weapon for relatively quickly dispatching targets within 1.5 km range, where its high rate of fire can be used to correct lead and land number of shots before the need to reload. It's extremely useful against small fast vessels, such as hydrofoil torpedo boats. At range however, the flight time becomes a near-impossible for tracking anything smaller than a sub-chaser. There is, however, one advantage to the gun at >1,500 m range: due to its low shell speed gun will fire at a very high arc, allowing K-3 to be one of a very few ships within its rank capable of reaching enemies hidden behind near-vertical obstacles, making it an excellent weapon to use against various opponents trying to hide behind the islands or other terrain obstacles.

  • Universal: HEF · APHE · HEF · APHE
  • 40 mm HE clips: HEF · HEF · HEF · APHE
  • 40 mm AP clips: APHE · APHE · APHE · HEF- Armour piercing shells, good at damaging interior modules and armoured ships
  • 40 mm HE-TF clips: HE-TF · HE-TF · HE-TF · HE-TF- Dual-fuze HE shells, meaning they are effective against both boats and aircraft, generally superior to the HEF clip

Penetration statistics
Ammunition Penetration @ 0° Angle of Attack (mm)
10 m 100 m 500 m 1,000 m 1,500 m 2,000 m
APHE 36 35 29 22 18 14
HEF 3 3 3 3 3 3
HE-TF 3 3 3 3 3 3
Shell details
Ammunition Velocity
(m/s)
Projectile
mass (kg)
Fuse delay
(m)
Fuse sensitivity
(mm)
Explosive mass
(TNT equivalent) (g)
Ricochet
0% 50% 100%
APHE 600 0.78 1 3 23 47° 60° 65°
HEF 600 0.79 0 0.1 70 79° 80° 81°
HE-TF 600 0.79 0 0.1 70 79° 80° 81°

Secondary armament

3 х Turret25 mm/60 Type 96 automatic cannon
Ammunition1500 rounds
Belt capacity15 rounds
Fire rate261 shots/min
Rapid firing, single-barrel 25 mm/60 Type 96 is effective against both: naval and airborne targets.
Main article: Type 96 (25 mm)

The Type K-3 No.1 possesses some of the best anti-air armament among Japanese rank 1 ships, making it extremely useful in fending-off enemy ships, even armoured gun boats, and relatively useful against air targets. The only disadvantage is in the guns layout, where at most 2 guns can be firing at a target, due to the fact that two guns amid-ship are pointing in the opposite directions, without any overlapping field of fire.

  • Universal: HEF-T* · HEF · AP-T · HEI
  • 25 mm APT belt: AP-T · AP-T · AP-T · HEF
  • 25 mm HEIT belts: HEF-T* · HEI · HEI · HEI

Penetration statistics
Ammunition Penetration @ 0° Angle of Attack (mm)
10 m 100 m 500 m 1,000 m 1,500 m 2,000 m
HEF-T* 2 2 2 2 2 2
HEI 2 2 2 2 2 2
HEF 2 2 2 2 2 2
AP-T 55 53 43 33 25 19
Shell details
Ammunition Velocity
(m/s)
Projectile
mass (kg)
Fuse delay
(m)
Fuse sensitivity
(mm)
Explosive mass
(TNT equivalent) (g)
Ricochet
0% 50% 100%
HEF-T* 900 0.24 0 0.1 8.5 79° 80° 81°
HEI 900 0.26 0 0.1 5.52 79° 80° 81°
HEF 900 0.25 0 0.1 23.93 79° 80° 81°
AP-T 900 0.28 - - - 47° 60° 65°

Additional armament

Setup 114 x Type 95 depth charge
Main article: Type 95 depth charge

Describe the available additional armaments of the ship: depth charges, mines, torpedoes. Talk about their positions, available ammunition and launch features such as dead zones of torpedoes. If there is no additional armament, remove this section.

Usage in battles

The K-3 is largely a support ship that excels in one-on-one fights in similar or lower battle ratings, while still being useful in higher-BR battles. It's ill-advised to rush capture points in this ship due to its large size that makes for an attractive target to the enemy team. It's a particularly difficult vessel to play until unlocking fire protection system, as it's extremely easy to ignite and fires will quickly take it down - for that reason when fighting against Type K-3 it's highly recommended to use HE shells on every occasion.

The sub-chaser's primary advantage is in a very narrow hull and an outstanding 40 mm gun. The ship is so narrow in fact that it's near-impossible to hit for a motor torpedo boats when facing bow (front) or stern (rear). On the other hand, its length is one of, if not the longest in BR, being a serious issue when faced with torpedoes or high-rank ships, therefore care should the taken to pre-emptively position oneself when engaging opponents.

The ship is best taken equipped with less than a half of a total ammunition capacity, as it's more than sufficient for a vast majority of battles, while significantly lowers the cross-section of the unarmoured ammunition racks that are prone to explosions. Also ignoring depth charges is recommended due to their extremely limited usefulness while adding mass and risk of explosion to the ship.

It's generally good to have at least some HE-DF ammunition onboard, as with a rapid fire of the 40 mm Vickers it can dispatch a field of flak fire very effectively destroying enemy bombers and fighters, or at least scaring them off. Within Rank 1 battles 40 mm HE clips are a better choice than the Universal or SAP, as none of the targets will have enough armour to resist them even at 2,000 m, while additional explosive power increases the speed in which enemies can be destroyed. Primary gun is positioned at the front of the vessel, making it possible to peek from cover and shoot, without exposing much of a vessel. High firing arc makes it possible to shoot from behind cover of a small islands and to attack enemies inaccessible to the ships with higher shell speed.

Both K-3 and K-7 have a relatively undefended rear arc, where at most only one 20 mm anti-aircraft gun can shoot back.

Pros and cons

Pros:

  • Effective 40 mm twin cannon with high firing arc and rapid fire
  • Secondary armament is very powerful against small ships and unsuspecting bombers
  • Decent anti-aircraft artillery for its battle rating
  • Decent speed
  • Possesses one of the highest crew count in its rank
  • HE-DF rounds are very useful against enemy vessels in close quarter battles

Cons:

  • Low manoeuvrability
  • Large target
  • Primary armament is not very effective against larger, well-armoured ships
  • Low shell speed makes for a challenging gameplay when up-tiered

History

The No.1-class submarine chasers (第一号型駆潜艇, Dai 1 Gō-gata Kusentei) were built under Maru 1 Keikaku programme, totalling 2 ships built in 1933. Vessels suffered from stability and hull strength issues that were resolved in a later redesign that became the No.4. The ship is a flush deck design with a relatively high freeboard for its size and an unproportionally large bridge. Ship's waterline length was 64 m, width 5.6 m for a total displacement of 383 tonnes. Crew consisted of 53 sailors, with up to 65 capacity.

Designers considered one of two primary guns against surfaced submarines: Either 8 cm/40 3rd Year Type naval gun or Type Bi-4 cm autocannon, which they've eventually picked for the final design. Both proposed guns were built domestically in Japan on a license. Additionally armament featured two imported Lewis light machine guns with the third one added during the war. Ships were equipped with 36 depth charges released overboard (projectors were added in the No.4). Additional equipment included Type 91 sonar, Type MV hydrophone, 6m motor boat and a 6m cutter, 60 mm search and signal light and an additional 30 mm search light.

The first ship was commissioned on 23 December 1933, numbered No.2 by the Tōkyō Ishikawajima Shipyard, followed 3 days later by No.1 from the Uraga Dock Company. Both ships participated in the events following the Marco Polo Bridge Incident in the 1938. In 1941 ships participated in the Operation M, and for the remaining of the Pacific War they've took part in convoy escorts around the region.

On 27 June 1945 No.2 was struck by a 533 mm torpedo from the Balao-class submarine USS Blueback. No.1 survived the war meeting end of it in a city of Surabaya on a Philippines island of Java. It eventually was scuttled in the Singapore by the Royal Navy.

Media

Skins

See also

Ships of comparable role, configuration and era

External links


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

Japan sub-chasers
Type 5 · Type K-3 No.1 · Type K-7 No.4 · Type K-8 No.13 · Type K-8 No.13 late