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Object 257

Object 257

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Object 257

AnnoR151_Object_257_2.png
USSR | Heavy Tank | Tier IX
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
1800460 HP Hit Points
51.32/5531.07/60 t Weight Limit
Crew
  1. 車長 (無線手)
  2. 操縦手
  3. 砲手
  4. 装填手
Mobility
700850 hp Engine Power
50/15 km/h Speed Limit
3540 deg/s Traverse
13.6427.36 hp/t Power/Wt Ratio
NoNo Pivot
Armor
// 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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1758.9
▲

Standard Gun

Using Shell Type 1 (390 Damage):


Theoretical Damage Per Minute
Nominal DPM: 1758.9
50% Crew: 1419.6
75% Crew: 1626.3
100% Crew: 1833
100% Crew
Vents: 1875.9
Rammer: 2035.8
Both: 2082.6
Both and BiA: 2129.4
Both and Max Crew %: 2219.1

Advantageous Damage Per Minute
First-shot DPM: 2148.9
50% Crew: 1809.6
75% Crew: 2016.3
100% Crew: 2223
100% Crew
Rammer: 2425.8
Vents: 2265.9
Both: 2472.6
Both and BiA: 2519.4
Both and Max Crew %: 2609.1

See here, here, or here for more information.
▼

Standard Gun

Using Shell Type 2 (390 Damage):


Theoretical Damage Per Minute
Nominal DPM: 1758.9
50% Crew: 1419.6
75% Crew: 1626.3
100% Crew: 1833
100% Crew
Vents: 1875.9
Rammer: 2035.8
Both: 2082.6
Both and BiA: 2129.4
Both and Max Crew %: 2219.1

Advantageous Damage Per Minute
First-shot DPM: 2148.9
50% Crew: 1809.6
75% Crew: 2016.3
100% Crew: 2223
100% Crew
Rammer: 2425.8
Vents: 2265.9
Both: 2472.6
Both and BiA: 2519.4
Both and Max Crew %: 2609.1

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: 2390.3
50% Crew: 1929.2
75% Crew: 2210.1
100% Crew: 2491
100% Crew
Vents: 2549.3
Rammer: 2766.6
Both: 2830.2
Both and BiA: 2893.8
Both and Max Crew %: 3015.7

Advantageous Damage Per Minute
First-shot DPM: 2920.3
50% Crew: 2459.2
75% Crew: 2740.1
100% Crew: 3021
100% Crew
Rammer: 3296.6
Vents: 3079.3
Both: 3360.2
Both and BiA: 3423.8
Both and Max Crew %: 3545.7

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: 355.2 m
With 75% Crew: 406.8 m
With 100% Crew: 458.9 m
With 100% Signal Boost: 528 m
When affected by 100% Relaying: 484 m
Maximum possible: 660.5 m

For more details, see Skills or Equipment


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730 m 
▲

With 50% Crew: 589.3 m
With 75% Crew: 674.9 m
With 100% Crew: 761.3 m
With 100% Signal Boost: 876 m
When affected by 100% Relaying: 803 m
Maximum possible: 1095.9 m

For more details, see Skills or Equipment
 Signal Range
Values are Stock - click for Top
IS-3
Object 257
IS-7


IX

AnnoR151_Object_257_2.png

3560000

The Object 257 is a Soviet tier 9 heavy tank.

IS-7 重戦車を開発する上での計画案のひとつであり、1945 年に開発されました。電気機械トランスミッションを採用する方針でしたが、開発は設計文書の開発段階で中止され、設計案のみに終わりました。

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_engine_alpha.png

Engines

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

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

Ico_suspension_alpha.png

Suspensions

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

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


Compatible Equipment

消音排気システム クラス1 砲垂直安定装置 クラス1 内張り装甲 (大) 迷彩ネット クラス2 レンズ皮膜 クラス1 高性能安定装置 試作型高視認性レンズ 耐摩耗射撃装置 高性能モジュール構造 高性能換気装置 新型装填装置 改良型射撃装置 クラス1 改良型装甲材 クラス1 追加グローサー クラス1 改良型モジュール構造 クラス1 改良型旋回機構 クラス1 改良型照準器 クラス1 改良型換気装置 クラス 1 双眼鏡 クラス1 装填棒 クラス1 ターボチャージャー クラス1 

Compatible Consumables

安定装置のグリスアップ 自動消火装置 擬装 光学機器の調整 照準器の調整 消防訓練 手動消火器 入念な整備 換気孔の清掃 救急キット (大) 修理キット (大) 執念 レンドリース・オイル 砲弾の整頓 弾薬庫の改良 目標注視 予備戦闘糧食 速度制限装置の解除 感応 救急キット (小) 修理キット (小) ギアボックス調整 精密射撃 早業 



Gallery

History for this tank not found


USSR
Light Tanks IMS-1 • IIBT-2 • IIT-45 • IIT-26 • IIT-60 • IITetrarch • IIIBT-SV • IIILTP • IIIM3 Light • IIIBT-7 artillery • IIIT-116 • IIIBT-5 • IIIT-127 • IIIT-46 • IIIT-70 • IVBT-7 • IVT-80 • IVValentine II • VA-20 • VT-50 • VIMT-25 • VIT-50-2 • VIILTG • VIIILTTB • VIIILT-432 • IXT-54 ltwt. • XT-100 LT
Medium Tanks IIIT-29 • IVA-32 • IVT-28E with F-30 • IVT-34 with L-11 • IVT-28 • VMatilda IV • VT-34 shielded • VM4-85 • VT-34 • VIA-43 • VIT-34-85M • VIТ-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 Igrovoy • VIIIT-44-100 (R) • VIIISTG • VIIISTG Guard • VIIIObject 274a • VIIIT-44 • IXObject 430 Version II • IXObject 430 • IXT-54 • XObject 140 • XObject 907 • XT-22 medium • XK-91 • XObject 430U • XT-62A
Heavy Tanks VChurchill III • VKV-220-2 • VKV-220-2 Beta Test • VKV-1 • VKV-1 shielded • VIKV-1S • VIKV-2 • VIKV-2 (R) • VIKV-85 • VIObject 244 • VIT-150 • VIIIS • VIIKV-3 • VIIKV-122 • VIIIS-2M • VIIIS-2 shielded • VIIIS-2 • VIIIIS-3 • VIIIIS-6 • VIIIIS-6 B • VIIIKV-5 • VIIIKV-4 • VIIIIS-5 (Object 730) • VIIIIS-3A • VIIIIS-3A Peregrine • VIIIKirovets-1 • VIIIKV-4 by Kreslavskiy • VIIIObject 252U Defender • VIIIObject 252U • VIIIIS-M • VIIIObject 703 Version II • VIIIIS-2-II • IXT-10 • IXObject 777 Version II • IXObject 257 • IXObject 705 • IXIS-3-II • IXST-I • XIS-4 • XIS-7 • XObject 260 • XObject 705A • XObject 277 • XObject 279 early • XST-II • XObject 780
Tank Destroyers IIAT-1 • IIISU-76I • IVSU-85A • IVSU-76M • VSU-85 • VSU-85I • VISU-100 • VISU-100Y • VIIISU-122S • VIISU-152 • VIISU-100M1 • VIISU-122-44 • VIIIISU-152 • VIIIISU-130 • VIIIKV-4 KTTS • VIIIT-103 • VIIISU-130PM • VIIIISU-152K • VIIISU-101 • IXK-91-PT • IXObject 704 • IXObject 263 • XObject 268 • XObject 268 Version V • 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 • IX212А • XObject 261
Heavy Tanks
USA VT14 • VT1 Heavy Tank • VIPawlack Tank • VIM6 • VIIKing Tiger (Captured) • VIIM-II-Y • VIIT29 • VIIIChrysler K • VIIIChrysler K GF • VIIIT26E5 • VIIIT26E5 Patriot • VIIIM54 Renegade • VIIIT77 • VIIIM-III-Y • VIIIM-IV-Y • VIIIM6A2E1 • VIIIT32 • VIIIT34 • VIIIT34 B • IXAE Phase I • IXConcept 1B • IXM-VI-Y • IXM103 • IXT54E1 • XM-V-Y • XT110E5 • XT57 Heavy Tank
UK VChurchill I • VExcelsior • VIChurchill VII • VITOG II* • VIIBlack Prince • VIIFV201 (A45) • VIIICharlemagne • VIIICaliban • VIIIGonsalo • VIIICaernarvon • VIIICaernarvon Action X • IXFV4201 Chieftain Proto • IXConqueror • XFV215b • XSuper Conqueror • XT95/FV4201 Chieftain
Germany IVPz.Kpfw. B2 740 (f) • IVDurchbruchswagen 2 • VITiger 131 • VIVK 30.01 (P) • VIVK 36.01 (H) • VIIVK 45.03 • VIITiger I • VIITiger (P) • VIIIVK 100.01 (P) • VIIIVK 168.01 (P) • VIIIVK 168.01 Mauerbrecher • VIIIVK 75.01 (K) • VIIIE 75 TS • 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 M4 mle. 49 Liberté • VIIIAMX 65 t • VIIISomua SM • VIIIFCM 50 t • IXAMX 50 120 • IXLorraine 50 t • IXAMX M4 mle. 51 • XAMX 50 B • XAMX M4 mle. 54
USSR VChurchill III • VKV-220-2 • VKV-220-2 Beta Test • VKV-1 • VKV-1 shielded • VIKV-1S • VIKV-2 • VIKV-2 (R) • VIKV-85 • VIObject 244 • VIT-150 • VIIIS • VIIKV-3 • VIIKV-122 • VIIIS-2M • VIIIS-2 shielded • VIIIS-2 • VIIIIS-3 • VIIIIS-6 • VIIIIS-6 B • VIIIKV-5 • VIIIKV-4 • VIIIIS-5 (Object 730) • VIIIIS-3A • VIIIIS-3A Peregrine • VIIIKirovets-1 • VIIIKV-4 by Kreslavskiy • VIIIObject 252U Defender • VIIIObject 252U • VIIIIS-M • VIIIObject 703 Version II • VIIIIS-2-II • IXT-10 • IXObject 777 Version II • IXObject 257 • IXObject 705 • IXIS-3-II • IXST-I • XIS-4 • XIS-7 • XObject 260 • XObject 705A • XObject 277 • XObject 279 early • XST-II • XObject 780
China VIIIS-2 • VIIIWZ-111 • VIIIWZ-111 Alpine Tiger • VIII110 • VIII112 • IXWZ-111 model 1-4 • IXWZ-114 • X113 • X113 Beijing Opera • XWZ-111 model 5A • XWZ-111 Qilin
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 VIIŠkoda T 45 • VIIVz. 44-1 • VIIIŠkoda T 56 • VIIITNH 105/1000 • IXTNH T Vz. 51 • XVz. 55
Sweden VIIIEmil I • VIIIEMIL 1951 • VIIIBofors Tornvagn • IXEmil II • IXStrv K • XKranvagn
Italy VIICarro d'assalto P.88 • VIIIProgetto CC55 mod. 54 • VIIIBisonte C45 • IXProgetto C50 mod. 66 • XRinoceronte
Poland VII45TP Habicha • VIII50TP prototyp • VIII53TP Markowskiego • IX50TP Tyszkiewicza • X60TP Lewandowskiego


de:Tank:R151 Object 257 2 es:Tank:R151 Object 257 2 fr:Tank:R151 Object 257 2 ru:Tank:R151 Object 257 2 ko:Tank:R151 Object 257 2 cs:Tank:R151 Object 257 2


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