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Object 257

AnnoR151_Object_257_2.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.
]
3,560,000  Credits Cost
18001900 HP Hit Points
51.32/5555/60 t Weight Limit
Crew
  1. Commander (Radio Operator)
  2. Driver
  3. Gunner
  4. Loader
Mobility
700850 hp Engine Power
50/15 km/h Speed Limit
3540 deg/s Traverse
13.6415.45 hp/t Power/Wt Ratio
NoNo Pivot
Armor
130/130/70 mm Hull Armor
249/110/70350/240/100 mm Turret Armor
Armament







{{#ifeq:ARMOR_PIERCING_CR|ARMOR_PIERCING||



{{#ifeq:HIGH_EXPLOSIVE|ARMOR_PIERCING||


AP/APCR/HE







{{#ifeq:HOLLOW_CHARGE|ARMOR_PIERCING||



{{#ifeq:HIGH_EXPLOSIVE|ARMOR_PIERCING||


APCR/HEAT/HE
Shells




















1025/4800/608




















1180/5200/608
Shell Cost
390/390/530440/440/530 HP Damage
225/265/68248/315/68 mm Penetration



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4.51 r/m 

Standard Gun

Reload Times
Nominal: 13.3 s
50% Crew: 16.48 s
75% Crew: 14.39 s
100% Crew: 12.75 s
Rammer: 11.48 s
Vents: 12.47 s
Both: 11.22 s
Both and BiA: 10.98 s
Both and Max Crew %: 10.52 s

See Crew, Consumables, or Equipment for more information.



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4.62 r/m 

Standard Gun

Reload Times
Nominal: 13 s
50% Crew: 16.1 s
75% Crew: 14.06 s
100% Crew: 12.46 s
Rammer: 11.21 s
Vents: 12.19 s
Both: 10.97 s
Both and BiA: 10.73 s
Both and Max Crew %: 10.28 s

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






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1766.7

Standard Gun

Using Shell Type 1 (390 Damage):


Theoretical Damage Per Minute
Nominal DPM: 1766.7
50% Crew: 1427.4
75% Crew: 1634.1
100% Crew: 1840.8
100% Crew
Vents: 1883.7
Rammer: 2043.6
Both: 2090.4
Both and BiA: 2137.2
Both and Max Crew %: 2230.8

Advantageous Damage Per Minute
First-shot DPM: 2156.7
50% Crew: 1817.4
75% Crew: 2024.1
100% Crew: 2230.8
100% Crew
Rammer: 2433.6
Vents: 2273.7
Both: 2480.4
Both and BiA: 2527.2
Both and Max Crew %: 2620.8

See here, here, or here for more information.

Standard Gun

Using Shell Type 2 (390 Damage):


Theoretical Damage Per Minute
Nominal DPM: 1766.7
50% Crew: 1427.4
75% Crew: 1634.1
100% Crew: 1840.8
100% Crew
Vents: 1883.7
Rammer: 2043.6
Both: 2090.4
Both and BiA: 2137.2
Both and Max Crew %: 2230.8

Advantageous Damage Per Minute
First-shot DPM: 2156.7
50% Crew: 1817.4
75% Crew: 2024.1
100% Crew: 2230.8
100% Crew
Rammer: 2433.6
Vents: 2273.7
Both: 2480.4
Both and BiA: 2527.2
Both and Max Crew %: 2620.8

See here, here, or here for more information.

Standard Gun

Using Shell Type 3 (530 Damage):
With wholly penetrating hits

Theoretical Damage Per Minute
Nominal DPM: 2400.9
50% Crew: 1939.8
75% Crew: 2220.7
100% Crew: 2501.6
100% Crew
Vents: 2559.9
Rammer: 2777.2
Both: 2840.8
Both and BiA: 2904.4
Both and Max Crew %: 3031.6

Advantageous Damage Per Minute
First-shot DPM: 2930.9
50% Crew: 2469.8
75% Crew: 2750.7
100% Crew: 3031.6
100% Crew
Rammer: 3307.2
Vents: 3089.9
Both: 3370.8
Both and BiA: 3434.4
Both and Max Crew %: 3561.6

See here, here, or here for more information.






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2032.8

Standard Gun

Using Shell Type 1 (440 Damage):


Theoretical Damage Per Minute
Nominal DPM: 2032.8
50% Crew: 1641.2
75% Crew: 1878.8
100% Crew: 2120.8
100% Crew
Vents: 2169.2
Rammer: 2358.4
Both: 2411.2
Both and BiA: 2464
Both and Max Crew %: 2569.6

Advantageous Damage Per Minute
First-shot DPM: 2472.8
50% Crew: 2081.2
75% Crew: 2318.8
100% Crew: 2560.8
100% Crew
Rammer: 2798.4
Vents: 2609.2
Both: 2851.2
Both and BiA: 2904
Both and Max Crew %: 3009.6

See here, here, or here for more information.

Standard Gun

Using Shell Type 2 (440 Damage):


Theoretical Damage Per Minute
Nominal DPM: 2032.8
50% Crew: 1641.2
75% Crew: 1878.8
100% Crew: 2120.8
100% Crew
Vents: 2169.2
Rammer: 2358.4
Both: 2411.2
Both and BiA: 2464
Both and Max Crew %: 2569.6

Advantageous Damage Per Minute
First-shot DPM: 2472.8
50% Crew: 2081.2
75% Crew: 2318.8
100% Crew: 2560.8
100% Crew
Rammer: 2798.4
Vents: 2609.2
Both: 2851.2
Both and BiA: 2904
Both and Max Crew %: 3009.6

See here, here, or here for more information.

Standard Gun

Using Shell Type 3 (530 Damage):
With wholly penetrating hits

Theoretical Damage Per Minute
Nominal DPM: 2448.6
50% Crew: 1976.9
75% Crew: 2263.1
100% Crew: 2554.6
100% Crew
Vents: 2612.9
Rammer: 2840.8
Both: 2904.4
Both and BiA: 2968
Both and Max Crew %: 3095.2

Advantageous Damage Per Minute
First-shot DPM: 2978.6
50% Crew: 2506.9
75% Crew: 2793.1
100% Crew: 3084.6
100% Crew
Rammer: 3370.8
Vents: 3142.9
Both: 3434.4
Both and BiA: 3498
Both and Max Crew %: 3625.2

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


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0.4 m 

With 50% Crew: 0.496 m
With 75% Crew: 0.433 m
With 100% Crew: 0.384 m
With BiA: 0.375 m
With BiA and Vents: 0.367 m
Maximum possible: 0.352 m

For more details, see Crew


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0.4 m 

With 50% Crew: 0.496 m
With 75% Crew: 0.433 m
With 100% Crew: 0.384 m
With BiA: 0.375 m
With BiA and Vents: 0.367 m
Maximum possible: 0.352 m

For more details, see Crew
Accuracy


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3.1 s 

With 50% Crew: 3.84 s
With 75% Crew: 3.353 s
With 100% Crew: 2.972 s
With GLD: 2.702 s
With BiA: 2.907 s
With BiA and Vents: 2.844 s
With both and GLD: 2.585 s
Maximum possible: 2.478 s

For more details, see Crew or Equipment


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2.9 s 

With 50% Crew: 3.592 s
With 75% Crew: 3.137 s
With 100% Crew: 2.781 s
With GLD: 2.528 s
With BiA: 2.719 s
With BiA and Vents: 2.66 s
With both and GLD: 2.418 s
Maximum possible: 2.318 s

For more details, see Crew or Equipment
Aim time
2626 deg/s Turret Traverse
360° Gun Arc
-5°/+15°-5°/+15° Elevation Arc
4040 rounds Ammo Capacity
General
1212 % Chance of Fire






380 m 

With 50% Crew: 298.6 m
With 75% Crew: 339.3 m
With 100% Crew: 380 m
With Recon and Situational Awareness: 399.2 m
With Coated Optics: 418 m
With Binocular Telescope: 475 m
Maximum possible: 544 m

For more details, see Skills or Equipment






390 m 

With 50% Crew: 306.4 m
With 75% Crew: 348.2 m
With 100% Crew: 390 m
With Recon and Situational Awareness: 409.7 m
With Coated Optics: 429 m
With Binocular Telescope: 487.5 m
Maximum possible: 558.3 m

For more details, see Skills or Equipment
View Range


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440 m 

With 50% Crew: 345.7 m
With 75% Crew: 392.9 m
With 100% Crew: 440 m
With 100% Signal Boost: 528 m
When affected by 100% Relaying: 484 m
Maximum possible: 633.1 m

For more details, see Skills or Equipment


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730 m 

With 50% Crew: 573.6 m
With 75% Crew: 651.8 m
With 100% Crew: 730 m
With 100% Signal Boost: 876 m
When affected by 100% Relaying: 803 m
Maximum possible: 1050.4 m

For more details, see Skills or Equipment
Signal Range
Values are Stock - click for Top
Object 257


IX

AnnoR151_Object_257_2.png

3560000

The Object 257 is a Soviet tier 9 heavy tank.

A project of the heavy tank designated IS-7 that was developed in 1945. The vehicle was supposed to feature an electromechanical transmission. Development was discontinued at the documentation design stage. Existed only in blueprints.

The Object 257 leads to the IS-7.

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)

IX 122 mm BL-9 225/265/68 390/390/530 4.62 0.38 3 2790 178500
X 122 mm BL-13-1 A 248/315/68 440/440/530 4.62 0.4 2.9 2790 280000

Ico_turret_alpha.png

Turrets

Tier Turret Turret Armor (front/sides/rear)
(mm)
Turret Traverse Speed
(deg/s)
View Range
(m)
Weight
(kg)
Price
(Credits)

VIII IS-3 (257) 249/110/70 26 380 11500 30000
IX Object 257 350/240/100 26 390 13000 62000

Ico_engine_alpha.png

Engines

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

IX V-2-54IS 700 12 700 79290
X 2x V-16 (1000) 850 12 2900 125000

Ico_suspension_alpha.png

Suspensions

Tier Suspension Load Limit
(т)
Traverse Speed
(гр/сек)
Rmin Weight
(kg)
Price
(Credits)

VIII Object 257 55 35 B/2 12000 29500
IX Object 257 Version 2 60 40 B/2 12000 62500

Ico_radio_alpha.png

Radios

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

VII 10RK 440 100 18600
IX 12RT 625 110 33600
X R-113 730 80 52200


Compatible Equipment

Vertical Stabilizer Mk 2 Heavy Spall Liner Camouflage Net Fill Tanks with CO2 Coated Optics Stabilizing Equipment System Experimental Optics Wear-Resistant Gun Laying Drive Venting System Innovative Loading System Extended Spare Parts Kit Enhanced Gun Laying Drive Cyclone Filter Improved Ventilation Class 3 Large-Caliber Tank Gun Rammer Binocular Telescope Toolbox "Wet" Ammo Rack Class 2 

Compatible Consumables

Stabilizer Greasing Automatic Fire Extinguisher Natural Cover Optical Calibration Aim Tuning Experienced Firefighters Manual Fire Extinguisher Vent Purge Large First Aid Kit Large Repair Kit Duty Comes First Lend-Lease Oil Shell Organizer Orderly Ammo Rack Focus on Target Extra Combat Rations Removed Speed Governor Increased Focus Small First Aid Kit Small Repair Kit Gearbox Intricacy Steady Hand Pre-Battle Maintenance Combat Course 



Gallery

History for this tank not found


USSR
Light Tanks IMS-1 IIBT-2 IIT-45 IIT-26 IIT-60 IITetrarch IIIBT-7 IIIBT-SV IIILTP IIIM3 Light IIIBT-7 artillery IIIT-127 IIIT-46 IIIT-70 IVA-20 IVT-80 IVValentine II VT-50 VIMT-25 VIILTG VIIILTTB IXT-54 ltwt. XT-100 LT
Medium Tanks IIIT-29 IVA-32 IVT-28E with F-30 IVT-28 VMatilda IV VT-34 VIA-43 VIT-34-85M VIT-34-85 Rudy VILoza's M4-A2 Sherman VIT-34-85 VIIA-44 VIIKV-13 VIIT-43 VIIT-44-122 VIIIObject 416 VIIIT-54 first prototype VIIIT-44-100 (R) VIIISTG VIIISTG Guard VIIIT-44 IXObject 430 Version II IXObject 430 IXT-54 XObject 140 XObject 907 XT-22 medium XObject 430U XT-62A
Heavy Tanks VChurchill III VKV-1S VKV-220-2 VKV-220-2 Beta Test VKV-1 VIKV-2 VIKV-85 VIT-150 VIIIS VIIKV-3 VIIKV-122 VIIIS-2 VIIIIS-3 VIIIIS-6 VIIIKV-5 VIIIKV-4 VIIIIS-5 (Object 730) VIIIIS-3A VIIIKV-4 Kreslavskiy VIIIObject 252U Defender VIIIObject 252U VIIIIS-M IXT-10 IXObject 257 IXObject 705 IXST-I XIS-4 XIS-7 XObject 260 XObject 705A
Tank Destroyers IIAT-1 IIISU-76M IIISU-76I IVSU-85B VSU-85 VSU-85I VISU-100 VISU-100Y VIIISU-122S VIISU-152 VIISU-100M1 VIISU-122-44 VIIIISU-152 VIIIISU-130 VIIISU-101 IXObject 704 IXObject 263 XObject 268 XObject 268 Version 4
Self-Propelled Artillery IISU-18 IIISU-26 IVSU-5 VSU-122A VISU-8 VIIS-51 VIISU-14-1 VIIISU-14-2 IX212A XObject 261
Heavy Tanks
USA VT14 VT1 Heavy Tank VIM6 VIIT29 VIIIChrysler K GF VIIIT26E5 VIIIM6A2E1 VIIIT32 VIIIT34 VIIIT34 B IXM103 XT110E5 XT57 Heavy Tank
UK VChurchill I VExcelsior VIChurchill VII VITOG II* VIIBlack Prince VIIFV201 (A45) VIIICaernarvon IXConqueror XFV215b XSuper Conqueror
Germany IVPz.Kpfw. B2 740 (f) IVDurchbruchswagen 2 VVK 30.01 (H) VITiger 131 VIVK 36.01 (H) VIIVK 45.03 VIITiger I VIITiger (P) VIIIVK 100.01 (P) VIIILöwe VIIITiger II VIIIVK 45.02 (P) Ausf. A IXE 75 IXMäuschen IXVK 45.02 (P) Ausf. B XE 100 XPz.Kpfw. VII XMaus XVK 72.01 (K)
France IVB1 VBDR G1 B VIARL 44 VIIAMX M4 mle. 45 VIIIAMX 50 100 VIIIAMX M4 mle. 49 VIIIAMX 65 t VIIIFCM 50 t IXAMX 50 120 IXAMX M4 mle. 51 XAMX 50 B XAMX M4 mle. 54
USSR VChurchill III VKV-1S VKV-220-2 VKV-220-2 Beta Test VKV-1 VIKV-2 VIKV-85 VIT-150 VIIIS VIIKV-3 VIIKV-122 VIIIS-2 VIIIIS-3 VIIIIS-6 VIIIKV-5 VIIIKV-4 VIIIIS-5 (Object 730) VIIIIS-3A VIIIKV-4 Kreslavskiy VIIIObject 252U Defender VIIIObject 252U VIIIIS-M IXT-10 IXObject 257 IXObject 705 IXST-I XIS-4 XIS-7 XObject 260 XObject 705A
China VIIIS-2 VIIIWZ-111 VIII110 VIII112 IXWZ-111 model 1-4 X113 XWZ-111 model 5A
Japan IIIType 91 Heavy IVType 95 Heavy VO-I Experimental VIHeavy Tank No. VI VIO-I VIIO-Ni VIIIO-Ho IXType 4 Heavy XType 5 Heavy
Czechoslovakia
Sweden VIIIEmil I IXEmil II XKranvagn
Poland
ru:Tank:R151 Object 257 2