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Bishop

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 |History= |History=

Revision as of 17:23, 13 August 2013










































































Bishop

AnnoGB28_Bishop.png
Battle Tier
1234567891011
Overview
Mouse over "
Well, the ones further down, of course.
" for more information
[Client Values; Actual values in
Specifically, the mismatch in crew values caused by commander's 10% crew skill bonus. Outside of a crew of 1 commander only, 100% crew is a fiction. The client values, given for 100% crew, will normally be taken into battle with 110% crew skill members aside from specific functions, causing their actual performance to deviate from the expected client value. These differences are taken into account in tooltip boxes.
]
405,000  Credits Cost
460368 HP Hit Points
17.69/17.711.53/0 t Weight Limit
Crew
  1. Commander (Radio Operator)
  2. Gunner
  3. Driver
  4. Loader
Mobility
135165 hp Engine Power
24/10 km/h Speed Limit
2020 deg/s Traverse
7.6314.31 hp/t Power/Wt Ratio
YesYes Pivot
Armor
60/50/60 mm Hull Armor
Armament







{{#ifeq:|ARMOR_PIERCING||



{{#ifeq:|ARMOR_PIERCING||


HE







{{#ifeq:|ARMOR_PIERCING||



{{#ifeq:|ARMOR_PIERCING||


HE
Shells




















83/0




















83/0
Shell Cost
280//280// HP Damage
22//22// mm Penetration



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6.82 r/m 

Standard Gun

Reload Times
Nominal: 8.8 s
50% Crew: 10.9 s
75% Crew: 9.52 s
100% Crew: 8.44 s
Rammer: 7.6 s
Vents: 8.25 s
Both: 7.43 s
Both and BiA: 7.27 s
Both and Max Crew %: 6.97 s

See Crew, Consumables, or Equipment for more information.



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6.82 r/m 

Standard Gun

Reload Times
Nominal: 8.8 s
50% Crew: 10.9 s
75% Crew: 9.52 s
100% Crew: 8.44 s
Rammer: 7.6 s
Vents: 8.25 s
Both: 7.43 s
Both and BiA: 7.27 s
Both and Max Crew %: 6.97 s

See Crew, Consumables, or Equipment for more information.
Rate of Fire






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1058.4

Standard Gun

Using Shell Type 1 (280 Damage):
With wholly penetrating hits

Theoretical Damage Per Minute
Nominal DPM: 1058.4
50% Crew: 854
75% Crew: 977.2
100% Crew: 1103.2
100% Crew
Vents: 1128.4
Rammer: 1226.4
Both: 1254.4
Both and BiA: 1282.4
Both and Max Crew %: 1335.6

Advantageous Damage Per Minute
First-shot DPM: 1338.4
50% Crew: 1134
75% Crew: 1257.2
100% Crew: 1383.2
100% Crew
Rammer: 1506.4
Vents: 1408.4
Both: 1534.4
Both and BiA: 1562.4
Both and Max Crew %: 1615.6

See here, here, or here for more information.






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1058.4

Standard Gun

Using Shell Type 1 (280 Damage):
With wholly penetrating hits

Theoretical Damage Per Minute
Nominal DPM: 1058.4
50% Crew: 854
75% Crew: 977.2
100% Crew: 1103.2
100% Crew
Vents: 1128.4
Rammer: 1226.4
Both: 1254.4
Both and BiA: 1282.4
Both and Max Crew %: 1335.6

Advantageous Damage Per Minute
First-shot DPM: 1338.4
50% Crew: 1134
75% Crew: 1257.2
100% Crew: 1383.2
100% Crew
Rammer: 1506.4
Vents: 1408.4
Both: 1534.4
Both and BiA: 1562.4
Both and Max Crew %: 1615.6

See here, here, or here for more information.
Damage Per Minute


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0.68 m 

With 50% Crew: 0.842 m
With 75% Crew: 0.736 m
With 100% Crew: 0.652 m
With BiA: 0.638 m
With BiA and Vents: 0.624 m
Maximum possible: 0.598 m

For more details, see Crew


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0.68 m 

With 50% Crew: 0.842 m
With 75% Crew: 0.736 m
With 100% Crew: 0.652 m
With BiA: 0.638 m
With BiA and Vents: 0.624 m
Maximum possible: 0.598 m

For more details, see Crew
Accuracy


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4.5 s 

With 50% Crew: 5.575 s
With 75% Crew: 4.867 s
With 100% Crew: 4.315 s
With GLD: 3.923 s
With BiA: 4.22 s
With BiA and Vents: 4.128 s
With both and GLD: 3.753 s
Maximum possible: 3.597 s

For more details, see Crew or Equipment


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4.5 s 

With 50% Crew: 5.575 s
With 75% Crew: 4.867 s
With 100% Crew: 4.315 s
With GLD: 3.923 s
With BiA: 4.22 s
With BiA and Vents: 4.128 s
With both and GLD: 3.753 s
Maximum possible: 3.597 s

For more details, see Crew or Equipment
Aim time
2020 deg/s Gun Traverse Speed
8° Gun Arc
-5°/+15°-5°/+15° Elevation Arc
5555 rounds Ammo Capacity
General
Expression error: Unexpected * operator.15 % Chance of Fire






250 m 

With 50% Crew: 196.4 m
With 75% Crew: 223.2 m
With 100% Crew: 250 m
With Recon and Situational Awareness: 262.7 m
With Coated Optics: 275 m
With Binocular Telescope: 312.5 m
Maximum possible: 357.9 m

For more details, see Skills or Equipment






250 m 

With 50% Crew: 196.4 m
With 75% Crew: 223.2 m
With 100% Crew: 250 m
With Recon and Situational Awareness: 262.7 m
With Coated Optics: 275 m
With Binocular Telescope: 312.5 m
Maximum possible: 357.9 m

For more details, see Skills or Equipment
View Range


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400 m 

With 50% Crew: 314.3 m
With 75% Crew: 357.2 m
With 100% Crew: 400 m
With 100% Signal Boost: 480 m
When affected by 100% Relaying: 440 m
Maximum possible: 575.6 m

For more details, see Skills or Equipment


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550 m 

With 50% Crew: 432.1 m
With 75% Crew: 491.1 m
With 100% Crew: 550 m
With 100% Signal Boost: 660 m
When affected by 100% Relaying: 605 m
Maximum possible: 791.4 m

For more details, see Skills or Equipment
Signal Range
Values are Stock - click for Top


V

AnnoGB28_Bishop.png

405000

The Bishop is a British tier 5 self-propelled gun.

Developed on the basis of the Valentine tank. The standard turret was replaced by a stationary box-shaped cabin that featured a 25-pounder howitzer. Due to the low gun elevation angle (15 deg), the maximum firing range was only 5,800 m, which is only half as long as its firing range in the towed state. The SPG saw combat in North Africa, Sicily, and South Italy. According to various sources, a total of 80–100 vehicles were produced.

The Bishop feels like a major leap back after the versatility of the Birch Gun; you no longer have a full traversible gun mount, but are forced to deal with a very narrow gun traverse; it has a pitiful range for both guns; and it has a fatally tall silhouette. Its saving grace, however, is better protection than its predecessors, being based on the hull of a Valentine, and its second gun is reasonably better than the 25-pounder. Play the Bishop like an SU-5; move up with the rear lines of your team, and bombard targets of opportunity. Even if you are spotted, you can survive a decent amount of fire while retreating.

The Bishop leads to the FV304.

Modules / Available Equipment and Consumables

Modules

Ico_gun_alpha.png

Guns

Tier Gun Penetration
(mm)
Damage
(HP)
Rate of fire
(rounds/minute)
Dispersion
(m/100m)
Aiming time
(s)
Weight
(kg)
Price
( Credits)

IV Q.F. 25-Pr. Gun/How. 22 280 6.82 0.68 4.5 510 28500
Q.F. 4.5-in. Howitzer 28 450 4.65 0.72 4.5 43000

Ico_engine_alpha.png

Engines

Tier Engine Engine Power
(hp)
Chance of Fire on Impact
(%)
Weight
(kg)
Price
( Credits)

III AEC A190 131 15 800 2500
IV GMC 6004 6-71S 138 15 991 9000
V GMC 6004 6-71A 165 15 991 11000
AEC A189 0 2150

Ico_suspension_alpha.png

Suspensions

Tier Suspension Load Limit
(т)
Traverse Speed
(gr/sec)
Rmin Weight
(kg)
Price
( Credits)

Valentine Mk. II 0 0 4500
Bishop 0 0 8800

Ico_radio_alpha.png

Radios

Tier Radio Signal Range
(m)
Weight
(kg)
Price
( Credits)

VII WS No. 19 Mk. II 450 40 21000
VI WS No. 19 Mk. I 400 40 15000
VIII WS No. 19 Mk. III 550 40 22000

Compatible Equipment

Low Noise Exhaust System Class 2 Light Spall Liner Camouflage Net Class 2 Coated Optics Class 2 Experimental Optics Wear-Resistant Gun Laying Drive Improved Configuration Venting System Innovative Loading System Enhanced Gun Laying Drive Class 2 Modified Configuration Class 2 Improved Rotation Mechanism Class 2 Improved Ventilation Class 3 Binocular Telescope Class 2 Gun Rammer Class 2 Turbocharger Class 2 

Compatible Consumables

Automatic Fire Extinguisher Natural Cover Optical Calibration Aim Tuning Experienced Firefighters 100-octane Gasoline 105-octane Gasoline Manual Fire Extinguisher Pre-Battle Maintenance Vent Purge Large First Aid Kit Large Repair Kit Duty Comes First Shell Organizer Orderly Ammo Rack Focus on Target Pudding and Tea Increased Focus Small First Aid Kit Small Repair Kit Gearbox Intricacy Steady Hand Combat Course 


Player Opinion

Pros and Cons

Pros:


  • Good aim time
  • Decent rate of fire
  • Decent armor for artillery
  • Very accurate for artillery
  • Good armour, able to bounce many low tier guns, being on a Valentine chassis


Cons:


  • Poor alpha for stock gun
  • Superstructure is not as well-armoured as the hull
  • Slow and sluggish
  • Low shell velocity, even for arty
  • Shell travels at a relatively low arc


Performance

The Bishop's poor range is actually due to the poor gun elevation than the gun's actual range. This also has the other effect of its shells travelling in a low arc, thus lowering damage. Thus, one way to get around these is to either move up with the team, or find an upward slope to position yourself. Having a high silhouette sometimes discourages the former, so it depends on how much risk the player is willing to take.


Suggested Equipment


Medium-Caliber Artillery Shell Rammer Improved Ventilation Class 1Enhanced Gun Laying Drive 


Gallery

Historical Info

Bishop in the Western Desert, September 1942

The Bishop was a British self-propelled artillery vehicle based on the Valentine tank. A result of a rushed attempt to create a self-propelled gun armed with the 25 Pounder gun-howitzer, the vehicle had numerous problems, was produced in limited numbers and was soon replaced by better designs.

Development history

The rapid manoeuvre warfare practiced in the North African Campaign led to a requirement for a self-propelled artillery vehicle armed with the 25 pounder gun-howitzer. In June 1941 the development was entrusted to the Birmingham Railway Carriage and Wagon Company. A prototype was ready for trials by August and 100 were ordered by November 1941.[1] The result was a vehicle designated Ordnance QF 25-pdr on Carrier Valentine 25-pdr Mk 1 and universally known as Bishop. The Bishop was based on the Valentine II hull, with the turret replaced by a fixed boxy superstructure with large rear doors. Into this superstructure the 25 pounder gun-howitzer was fitted. As a consequence of the gun mounting the resulting vehicle had very high silhouette, a disadvantage in desert warfare.[1] The maximum elevation for the gun was limited to 15 degrees, lowering the range considerably to about 6,400 yards (about half that of the gun on its wheeled carriage), the maximum depression was 5 degrees and traverse 8 degrees. In addition to the main armament the vehicle could carry a Bren light machine gun. By July 1942 80 Bishops had been built, and as the last 20 were being built an order for a further 50 was placed, with an option for a further 200, but the tender was abandoned in favour of the American M7 105 mm SP gun.

Combat history

The Bishop first saw action during the Second Battle of El Alamein in North Africa and remained in service during the early part of the Italian Campaign. Due to the aforementioned limitations, compounding the Valentine's characteristic slow speed, the Bishop was poorly received almost universally. In order to compensate for insufficient elevation, crews would often build large ramps out of the earth - running the Bishop onto these tilted the whole vehicle back effectively gaining extra elevation for the gun and increasing its maximum range. It was replaced in service by the M7 Priest (105 mm) and Sexton (25-pounder) when those became available in sufficient numbers, and surviving Bishops were diverted for artillery use.


Historical Gallery


UK
Light Tanks ICruiser Mk. I IIM2 IICruiser Mk. II IILight Mk. VIC IIIValentine IIIStuart I-IV IIICruiser Mk. III IVCruiser Mk. IV VCovenanter VIA46 VICrusader VIIGSR 3301 Setter VIIIFV1066 Senlac VIIILHMTV IXGSOR3301 AVR FS XManticore
Medium Tanks IVickers Medium Mk. I IIVickers Medium Mk. II IIIVickers Medium Mk. III IVMatilda IVGrant IVAC 1 Sentinel VCavalier VValiant VSherman III VMatilda Black Prince VISherman Firefly VICromwell VIAC 4 Experimental VICromwell B VISherman VC Firefly VIIComet VIIICenturion Mk. I VIIIFV4202 VIIIChieftain/T95 VIIICenturion Mk. 5/1 RAAC VIIIChimera IXCenturion Mk. 7/1 XCenturion Action X
Heavy Tanks VChurchill I VExcelsior VIChurchill VII VIA43 BP prototype VITOG II* VIIBlack Prince VIIFV201 (A45) VIIICaernarvon VIIICaernarvon Action X IXConqueror XFV215b XSuper Conqueror XT95/FV4201 Chieftain
Tank Destroyers IIUniversal Carrier 2-pdr IVValentine AT IVAlecto VArcher VAT 2 VIChurchill Gun Carrier VIAchilles VIAT 8 VIExcalibur VIIChallenger VIIAT 15A VIIAT 7 VIIIGSOR 1008 VIIIAT 15 VIIICharioteer VIIITurtle Mk. I IXTortoise IXFV4004 Conway XFV215b (183) XFV4005 Stage II XFV217 Badger
Self-Propelled Artillery IILoyd Gun Carriage IIISexton II IIISexton I IVBirch Gun VBishop VIFV304 VIICrusader 5.5-in. SP VIIIFV207 IXFV3805 XConqueror Gun Carriage
Self-Propelled Guns
USA IIT1 HMC IIIT18 HMC IIIM7 Priest IVT82 HMC IVM37 VM41 HMC VIM44 VIIM12 VIIIM40/M43 IXM53/M55 XT92 HMC
UK IILoyd Gun Carriage IIISexton II IIISexton I IVBirch Gun VBishop VIFV304 VIICrusader 5.5-in. SP VIIIFV207 IXFV3805 XConqueror Gun Carriage
Germany IIG.Pz. Mk. VI (e) IIISturmpanzer I Bison IIIWespe IVPz.Sfl. IVb IVSturmpanzer II VGrille VIHummel VIIG.W. Panther VIIIG.W. Tiger (P) IXG.W. Tiger XG.W. E 100
France IIRenault FT 75 BS IIILorraine 39L AM IVAMX 105 AM mle. 47 VAMX 13 105 AM mle. 50 V105 leFH18B2 VIAMX 13 F3 AM VIILorraine 155 mle. 50 VIIILorraine 155 mle. 51 IXBat.-Châtillon 155 55 XBat.-Châtillon 155 58
USSR IISU-18 IIISU-26 IVSU-5 VSU-122A VISU-8 VIIS-51 VIISU-14-1 VIIISU-14-2 IX212A XObject 261
China
Japan
Czechoslovakia
Sweden
Italy
Poland
ko:Tank:GB28 Bishopja:Tank:GB28 Bishop