Difference between revisions of "A.C.I"

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{{Specs-Card
 
{{Specs-Card
 
|code=uk_ac1_sentinel
 
|code=uk_ac1_sentinel
−
|images={{Specs-Card-Image|GarageImage_{{PAGENAME}}.jpg|ArtImage_{{PAGENAME}}.png}}
+
|images={{Specs-Card-Image|GarageImage_{{PAGENAME}}.jpg}}
 
}}
 
}}
  
 
== Description ==
 
== Description ==
 
<!-- ''In the description, the first part should be about the history of the creation and combat usage of the vehicle, as well as its key features. In the second part, tell the reader about the ground vehicle in the game. Insert a screenshot of the vehicle, so that if the novice player does not remember the vehicle by name, he will immediately understand what kind of vehicle the article is talking about.'' -->
 
<!-- ''In the description, the first part should be about the history of the creation and combat usage of the vehicle, as well as its key features. In the second part, tell the reader about the ground vehicle in the game. Insert a screenshot of the vehicle, so that if the novice player does not remember the vehicle by name, he will immediately understand what kind of vehicle the article is talking about.'' -->
−
The war with the Axis powers demanded ever-increasing investments from all members of the British Commonwealth. Australia was no exception, as it faced the threat of a Japanese invasion. In response, in 1940, work began in Australia on the development of its own tank. Development and construction of the vehicle were delayed due to the country's underdeveloped industry and increasing army demands, resulting in the first prototype being ready only by January 1942, followed by a second in March. Around this time, the tank was named '''Australian Cruiser Mark I "Sentinel"''', or shortened to '''A.C.I'''. Prototypes underwent tests until January 1943, with serial production commencing even before their completion in November 1942. A total of 65 vehicles were produced by June 1943, but they were not adopted for service due to serious technical problems identified during testing. Coupled with the rise in [[M4]] production in the USA and the redirection of Australian industry towards supporting Allied forces, this led to the cancellation of the Australian tank program.
+
The '''{{Specs|name}}''' is a premium gift rank {{Specs|rank}} British medium tank {{Battle-rating}}. It was introduced during [[Update "Winged Lions"]] as a reward for the [[wt:en/news/7469-event-operation-w-i-n-t-e-r-en|2021 Operation W.I.N.T.E.R.]] event.
−
 
 
−
The only "action" in which the A.C.I participated was its appearance in the 1944 film "Rats of Tobruk", where it was used as a stand-in for German tanks. Currently, three surviving examples are held in collections at the Bovington Museum, Puckapunyal Military Museum, and the Australian Armour and Artillery Museum.
 
−
 
 
−
The '''A.C.I''' was introduced during [[Update "Winged Lions"]] as a reward for the [[wt:en/news/7469-event-operation-w-i-n-t-e-r-en|2021 Operation W.I.N.T.E.R.]] event. Originally conceived as a cruiser tank, the A.C.I shares characteristics more akin to British infantry tanks such as the [[Matilda III]] and [[Valentine I]]. The frontal armour of the hull is thick and well-angled, with one vulnerable spot in its centre covered by a developed machine gun shield. Side armour is notably weaker, but sufficient to allow angling the hull to improve protection. The turret also boasts robust armour. However, it's important to remember that the A.C.I can still encounter tanks capable of penetrating its defences. Furthermore, its armament is underwhelming: the gun has low penetration and post-penetration damage, though somewhat mitigated by a high rate of fire. Mobility is also subpar; the tank accelerates slowly and struggles to reach its maximum speed.
 
  
 
== General info ==
 
== General info ==
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{{Specs-Tank-Armour}}
 
{{Specs-Tank-Armour}}
 
<!-- ''Describe armour protection. Note the most well protected and key weak areas. Appreciate the layout of modules as well as the number and location of crew members. Is the level of armour protection sufficient, is the placement of modules helpful for survival in combat? If necessary use a visual template to indicate the most secure and weak zones of the armour.'' -->
 
<!-- ''Describe armour protection. Note the most well protected and key weak areas. Appreciate the layout of modules as well as the number and location of crew members. Is the level of armour protection sufficient, is the placement of modules helpful for survival in combat? If necessary use a visual template to indicate the most secure and weak zones of the armour.'' -->
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In general, the A.C.I is very good at head-on engagements, due to its very well armoured front for its BR. The sides are with a thickness of only around 45 mm relatively easy to penetrate at its BR. Tanks using large-calibre HE shells are dangerous, because of the overpressure mechanics that will often take out the driver and the machine gunner as well as the transmission. The lower front is quite vulnerable, if shot, the transmission will most likely break down, the crew won't take damage usually.
+
''Describe armour protection. Note the most well protected and key weak areas. Appreciate the layout of modules as well as the number and location of crew members. Is the level of armour protection sufficient, is the placement of modules helpful for survival in combat? If necessary use a visual template to indicate the most secure and weak zones of the armour.''
  
 
'''Armour type:''' <!-- The types of armour present on the vehicle and their general locations -->
 
'''Armour type:''' <!-- The types of armour present on the vehicle and their general locations -->
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<!-- ''Write about the mobility of the ground vehicle. Estimate the specific power and manoeuvrability, as well as the maximum speed forwards and backwards.'' -->
 
<!-- ''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=527|rbMinHp=301}}
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{{tankMobility|abMinHp=511|rbMinHp=292}}
  
 
=== Modifications and economy ===
 
=== Modifications and economy ===
 
{{Specs-Economy}}
 
{{Specs-Economy}}
−
 
−
Because it is a premium tank, the A.C.I comes with all its modifications already researched.
 
  
 
== Armaments ==
 
== Armaments ==
Line 64: Line 58:
 
|-
 
|-
 
! ''Arcade''
 
! ''Arcade''
−
| rowspan="2" | 130 || rowspan="2" | -10°/+20° || rowspan="2" | ±180° || rowspan="2" | N/A || 28.6 || 39.5 || 48.0 || 53.1 || 56.5 || rowspan="2" | 3.64 || rowspan="2" | 3.22 || rowspan="2" | 2.97 || rowspan="2" | 2.80
+
| rowspan="2" | 130 || rowspan="2" | -10°/+20° || rowspan="2" | ±180° || rowspan="2" | N/A || 17.1 || 23.7 || 28.8 || 31.9 || 33.9 || rowspan="2" | 3.64 || rowspan="2" | 3.22 || rowspan="2" | 2.97 || rowspan="2" | 2.80
 
|-
 
|-
 
! ''Realistic''
 
! ''Realistic''
−
| 17.9 || 21.0 || 25.5 || 28.2 || 30.0
+
| 10.7 || 12.6 || 15.3 || 16.9 || 18.0
 
|-
 
|-
 
|}
 
|}
  
 
==== Ammunition ====
 
==== Ammunition ====
−
{{:QF 2-pounder (40 mm)/Ammunition|Shot Mk.1 AP/T, Shell Mk.2, Shot Mk.IXB APCBC/T, Shell Mk.1 AP/T}}
+
{| class="wikitable sortable" style="text-align:center" width="100%"
 +
! colspan="8" | Penetration statistics
 +
|-
 +
! rowspan="2" data-sort-type="text" | Ammunition
 +
! 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
 +
|-
 +
| Shot Mk.1 AP/T || AP || 72 || 68 || 52 || 37 || 27 || 19
 +
|-
 +
| Shell Mk.2 || HE || 4 || 4 || 4 || 4 || 4 || 4
 +
|-
 +
| Shot Mk.IXB APCBC/T || APCBC || 89 || 86 || 77 || 66 || 57 || 50
 +
|-
 +
| Shell Mk.1 AP/T || APHE || 66 || 62 || 49 || 36 || 26 || 20
 +
|-
 +
|}
 +
{| class="wikitable sortable" style="text-align:center" width="100%"
 +
! colspan="10" | Shell details
 +
|-
 +
! rowspan="2" data-sort-type="text" | Ammunition
 +
! rowspan="2" | Type of<br>warhead
 +
! rowspan="2" | Velocity<br>(m/s)
 +
! rowspan="2" | Projectile<br>Mass (kg)
 +
! rowspan="2" | Fuse delay<br>(m)
 +
! rowspan="2" | Fuse sensitivity<br>(mm)
 +
! rowspan="2" | Explosive Mass<br>(TNT equivalent) (g)
 +
! colspan="3" | Ricochet
 +
|-
 +
! 0% !! 50% !! 100%
 +
|-
 +
| Shot Mk.1 AP/T || AP || 792 || 1.08 || N/A || N/A || N/A || 47° || 60° || 65°
 +
|-
 +
| Shell Mk.2 || HE || 687 || 1.34 || 0 || 0.1 || 85 || 79° || 80° || 81°
 +
|-
 +
| Shot Mk.IXB APCBC/T || APCBC || 792 || 1.24 || N/A || N/A || N/A || 48° || 63° || 71°
 +
|-
 +
| Shell Mk.1 AP/T || APHE || 792 || 1.08 || 1.2 || 9 || 20.9 || 47° || 60° || 65°
 +
|-
 +
|}
  
 
==== [[Ammo racks]] ====
 
==== [[Ammo racks]] ====
−
[[File:Ammoracks_{{PAGENAME}}.png|right|thumb|x250px|[[Ammo racks]] of the {{PAGENAME}}]]
+
<!-- [[File:Ammoracks_{{PAGENAME}}.png|right|thumb|x250px|[[Ammo racks]] of the {{PAGENAME}}]] -->
−
<!-- '''Last updated: 2.13.0.105''' -->
+
<!-- '''Last updated:''' -->
 
{| class="wikitable" style="text-align:center"
 
{| class="wikitable" style="text-align:center"
 
|-
 
|-
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! Visual<br>discrepancy
 
! Visual<br>discrepancy
 
|-
 
|-
−
| '''130''' || 104&nbsp;''(+26)'' || 81&nbsp;''(+49)'' || 59&nbsp;''(+71)'' || 37&nbsp;''(+93)'' || 19&nbsp;''(+111)'' || 1&nbsp;''(+129)'' || No
+
| '''130''' || __&nbsp;''(+__)'' || __&nbsp;''(+__)'' || __&nbsp;''(+__)'' || __&nbsp;''(+__)'' || __&nbsp;''(+__)'' || __&nbsp;''(+__)'' || __
 
|-
 
|-
 
|}
 
|}
−
'''Notes''':
 
−
 
−
* As they are modeled by sets of 2 or 3, shells disappear from the rack only after you've fired all shells in the set.
 
−
* To go into battle with the turret empty of shells, pack 59&nbsp;''(+71)'' shells (racks 1 & 2 depleted).
 
  
 
=== Machine guns ===
 
=== Machine guns ===
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== Usage in battles ==
 
== Usage in battles ==
 
<!-- ''Describe the tactics of playing in the vehicle, the features of using vehicles in the team and advice on tactics. Refrain from creating a "guide" - do not impose a single point of view but instead give the reader food for thought. Describe the most dangerous enemies and give recommendations on fighting them. If necessary, note the specifics of the game in different modes (AB, RB, SB).'' -->
 
<!-- ''Describe the tactics of playing in the vehicle, the features of using vehicles in the team and advice on tactics. Refrain from creating a "guide" - do not impose a single point of view but instead give the reader food for thought. Describe the most dangerous enemies and give recommendations on fighting them. If necessary, note the specifics of the game in different modes (AB, RB, SB).'' -->
−
The A.C.I's sloped frontal armour is great in medium range skirmishes since it will bounce most shots. The weak gun however forces you to come close to your targets to get a chance to penetrate. The armour is best used in combination with the A.C.I's good mobility.
+
''Describe the tactics of playing in the vehicle, the features of using vehicles in the team and advice on tactics. Refrain from creating a "guide" - do not impose a single point of view but instead give the reader food for thought. Describe the most dangerous enemies and give recommendations on fighting them. If necessary, note the specifics of the game in different modes (AB, RB, SB).''
−
 
 
−
Notable enemies include the Panzer III, the Marder III H and the early T-34s.
 
  
 
=== Pros and cons ===
 
=== 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".'' -->
+
'''Pros:'''  
  
−
'''Pros:'''
+
* Diversely sloped armor is effective at bouncing enemy shots
 +
* Outstanding depression, allowing the use of "hull down" tactics
 +
* Can easily frontally engage most enemies at its BR
  
−
* Diversely sloped frontal hull armour is sturdy against common foes, like [[M3 Stuart (Family)|M3A3 Stuart]] and [[M5 Stuart (Family)|M5 Stuart]], [[T-50]]
+
*
−
* Outstanding gun depression, allowing hull-down tactics
 
−
* Can easily frontally engage most enemies
 
−
* Fast reload allows quick follow-up shots
 
  
 
'''Cons:'''
 
'''Cons:'''
  
−
* Only 44 mm of side armour
+
* Only 44 mm of side armor
−
* Painfully slow reverse speed of -4 km/h
+
* Painfully slow reverse speed of 4 km/h
 
* Tightly packed crew
 
* Tightly packed crew
−
* Frontal turret armour is quite weak
+
 
−
* Slow acceleration
+
*
  
 
== History ==
 
== History ==
Line 141: Line 168:
 
== Media ==
 
== Media ==
 
<!-- ''Excellent additions to the article would be video guides, screenshots from the game, and photos.'' -->
 
<!-- ''Excellent additions to the article would be video guides, screenshots from the game, and photos.'' -->
−
 
+
''Excellent additions to the article would be video guides, screenshots from the game, and photos.''
−
;Skins
 
−
 
 
−
* [https://live.warthunder.com/feed/camouflages/?vehicle=uk_ac1_sentinel Skins and camouflages for the {{PAGENAME}} from live.warthunder.com.]
 
−
 
 
−
;Videos
 
−
 
 
−
{{Youtube-gallery|HR57u5I3V58|'''Australian Cruiser Tanks - AC I "Sentinel" - AC IV "Woomera" (review starts at 1:49)''' - ''Cmdr. Tyrael''}}
 
  
 
== See also ==
 
== See also ==
Line 154: Line 174:
 
* ''reference to the series of the vehicles;''
 
* ''reference to the series of the vehicles;''
 
* ''links to approximate analogues of other nations and research trees.'' -->
 
* ''links to approximate analogues of other nations and research trees.'' -->
−
Related development:
+
''Links to the articles on the War Thunder Wiki that you think will be useful for the reader, for example:''
  
−
* [[A.C.IV]]
+
* ''reference to the series of the vehicles;''
−
 
+
* ''links to approximate analogues of other nations and research trees.''
−
Vehicles of similar configuration or role:
 
−
 
 
−
* [[Crusader II]]
 
  
 
== External links ==
 
== External links ==
Line 166: Line 183:
 
* ''topic on the official game forum;''
 
* ''topic on the official game forum;''
 
* ''other literature.'' -->
 
* ''other literature.'' -->
 +
''Paste links to sources and external resources, such as:''
  
−
* [[wt:en/news/7470-development-winter-marathon-vehicles-a-c-i-sentinel-britain-en|[Devblog] Winter Marathon vehicles: A.C.I Sentinel (Britain)]]
+
* ''topic on the official game forum;''
 +
* ''other literature.''
  
−
{{TankManufacturer New South Wales Railway Company}}
 
 
{{Britain medium tanks}}
 
{{Britain medium tanks}}
 
{{Britain premium ground vehicles}}
 
{{Britain premium ground vehicles}}
−
{{Winter Event}}
 

Revision as of 23:01, 25 December 2021

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A.C.I
uk_ac1_sentinel.png
GarageImage A.C.I.jpg
A.C.I

Description

The Cruiser tank A.C. Mark I is a premium gift rank British medium tank with a battle rating of (AB), (RB), and (SB). It was introduced during Update "Winged Lions" as a reward for the 2021 Operation W.I.N.T.E.R. event.

General info

Survivability and armour

Describe armour protection. Note the most well protected and key weak areas. Appreciate the layout of modules as well as the number and location of crew members. Is the level of armour protection sufficient, is the placement of modules helpful for survival in combat? If necessary use a visual template to indicate the most secure and weak zones of the armour.

Armour type:

Armour Front (Slope angle) Sides Rear Roof
Hull ___ mm ___ mm Top
___ mm Bottom 		___ mm ___ - ___ mm
Turret ___ - ___ mm Turret front
___ mm Gun mantlet 		___ - ___ mm ___ - ___ mm ___ - ___ mm
Cupola ___ mm ___ mm ___ mm ___ mm

Notes:

Mobility

Game Mode Max Speed (km/h) Weight (tons) Engine power (horsepower) Power-to-weight ratio (hp/ton)
Forward Reverse Stock Upgraded Stock Upgraded
Arcade Expression error: Unexpected * operator. 511 Expression error: Unexpected round operator. __.__
Realistic 292 Expression error: Unexpected round operator. __.__

Modifications and economy

Armaments

Main armament

Main article: QF 2-pounder (40 mm)
40 mm QF 2-pounder Turret rotation speed (°/s) Reloading rate (seconds)
Mode Capacity Vertical Horizontal Stabilizer Stock Upgraded Full Expert Aced Stock Full Expert Aced
Arcade 130 -10°/+20° ±180° N/A 17.1 23.7 28.8 31.9 33.9 3.64 3.22 2.97 2.80
Realistic 10.7 12.6 15.3 16.9 18.0

Ammunition

Penetration statistics
Ammunition Type of
warhead 		Penetration @ 0° Angle of Attack (mm)
10 m 100 m 500 m 1,000 m 1,500 m 2,000 m
Shot Mk.1 AP/T AP 72 68 52 37 27 19
Shell Mk.2 HE 4 4 4 4 4 4
Shot Mk.IXB APCBC/T APCBC 89 86 77 66 57 50
Shell Mk.1 AP/T APHE 66 62 49 36 26 20
Shell details
Ammunition Type of
warhead 		Velocity
(m/s) 		Projectile
Mass (kg) 		Fuse delay
(m) 		Fuse sensitivity
(mm) 		Explosive Mass
(TNT equivalent) (g) 		Ricochet
0% 50% 100%
Shot Mk.1 AP/T AP 792 1.08 N/A N/A N/A 47° 60° 65°
Shell Mk.2 HE 687 1.34 0 0.1 85 79° 80° 81°
Shot Mk.IXB APCBC/T APCBC 792 1.24 N/A N/A N/A 48° 63° 71°
Shell Mk.1 AP/T APHE 792 1.08 1.2 9 20.9 47° 60° 65°

Ammo racks

Full
ammo 		1st
rack empty 		2nd
rack empty 		3rd
rack empty 		4th
rack empty 		5th
rack empty 		6th
rack empty 		Visual
discrepancy
130 __ (+__) __ (+__) __ (+__) __ (+__) __ (+__) __ (+__) __

Machine guns

Main article: Vickers (7.7 mm)
7.7 mm Vickers
Mount Capacity (Belt) Fire rate Vertical Horizontal
Coaxial 4,250 (250) 390 N/A N/A

Usage in battles

Describe the tactics of playing in the vehicle, the features of using vehicles in the team and advice on tactics. Refrain from creating a "guide" - do not impose a single point of view but instead give the reader food for thought. Describe the most dangerous enemies and give recommendations on fighting them. If necessary, note the specifics of the game in different modes (AB, RB, SB).

Pros and cons

Pros:

  • Diversely sloped armor is effective at bouncing enemy shots
  • Outstanding depression, allowing the use of "hull down" tactics
  • Can easily frontally engage most enemies at its BR

Cons:

  • Only 44 mm of side armor
  • Painfully slow reverse speed of 4 km/h
  • Tightly packed crew

History

Describe the history of the creation and combat usage of the vehicle 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 vehicle and adding a block "/History" (example: https://wiki.warthunder.com/(Vehicle-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 vehicle'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 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.

External links

Paste links to sources and external resources, such as:

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


Britain medium tanks
Valentine  Valentine I · Valentine IX · Valentine XI
Cromwell  Cromwell I · Cromwell V · Cromwell V (RP-3)
Cromwell derivatives  Challenger · Avenger · Comet I · Comet I "Iron Duke IV" · Charioteer Mk VII
Centurion  Centurion Mk 1 · Centurion Mk.2 · Centurion Mk 3 · Centurion Mk.5 AVRE · Centurion Mk 10 · Centurion Action X · FV4202
Vickers MBT  Vickers Mk.1 · Vickers Mk.3 · Vickers Mk.7
Chieftain  Chieftain Mk 3 · Chieftain Mk 5 · Chieftain Mk 10
Challenger 1  Challenger Mk.2 · Challenger Mk.3 · Challenger DS
Challenger 2  Challenger 2 · Challenger 2 (2F) · Challenger 2 TES · Challenger 2 OES · Challenger 2E · Challenger 2 Black Night
Challenger 3  Challenger 3 TD
Australia  A.C.I · A.C.IV · Centurion Mk.5/1
South Africa  Olifant Mk.1A · Olifant Mk.2 · TTD
India  Vijayanta · Bhishma TWMP
Israel  ▄Sho't Kal Dalet
Jordan  Khalid
Sweden  ▄Strv 81 (RB 52)
USA  Grant I · Sherman II · Sherman Firefly · Sherman IC "Trzyniec"

Britain premium ground vehicles
Light tanks  A13 Mk I (3rd R.T.R.) · A13 Mk II 1939 · AEC Mk II · Crusader "The Saint" · Rooikat 105
Medium tanks  A.C.I · Grant I · Cromwell V (RP-3) · Sherman IC "Trzyniec" · A.C.IV · Comet I "Iron Duke IV"
  Centurion Mk.2 · ▄Strv 81 (RB 52) · Centurion Mk.5 AVRE · Centurion Mk.5/1 · ▄Sho't Kal Dalet · Centurion Action X
  Vijayanta · Khalid · Challenger DS · Challenger 2 OES
Heavy tanks  Independent · Matilda Hedgehog · Excelsior · TOG II · Churchill Crocodile · Black Prince
Tank destroyers  Alecto I · Achilles (65 Rg.) · QF 3.7 Ram

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