T30

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T30

Render
USA Turreted TD Tier IX
Battle Tiers
123456789101112
Totals
Cost 3,550,000  Credits
Hit Points 1,6501,650 HP
Weight Limit 63.4/64.164.345/69.1 t
Crew
Commander
Gunner
Driver
Radio Operator
Loader
Loader
Mobility
Engine Power 800860 hp
Speed Limit 35/10 km/h
Traverse 2022 deg/s
Power/Wt Ratio 12.6213.37 hp/t
Pivot YesYes
Armor
Hull Armor 102/76/51 mm
Turret Armor279/127/102279/127/102 mm
Armament
Damage 240-400562.5-937.5 HP
Penetration 149-248207-345 mm
Rate of Fire
7.32100% crew: 7.63 rpm
+ Vents: 7.8 rpm
+ BiA : 7.98 rpm
+ Food: 8.32 rpm
2.86100% crew: 2.98 rpm
+ Vents: 3.05 rpm
+ BiA : 3.11 rpm
+ Food: 3.25 rpm
r/m
Accuracy
0.39100% crew: 0.37 m
+ Vents: 0.37 m
+ BiA : 0.36 m
+ Food: 0.34 m
0.39100% crew: 0.37 m
+ Vents: 0.37 m
+ BiA : 0.36 m
+ Food: 0.34 m
m
Aim time
1.7100% crew: 1.63 s
+ Vents: 1.59 s
+ BiA : 1.56 s
+ Food: 1.49 s
2.9100% crew: 2.78 s
+ Vents: 2.72 s
+ BiA : 2.66 s
+ Food: 2.55 s
s
Turret Traverse
18100% crew: 18.77 deg/s
+ Vents: 19.2 deg/s
+ BiA : 19.62 deg/s
+ Food: 20.47 deg/s
18100% crew: 18.77 deg/s
+ Vents: 19.2 deg/s
+ BiA : 19.62 deg/s
+ Food: 20.47 deg/s
deg/s
Gun Arc 360°
Elevation Arc -10°/+15°-10°/+15°
Ammo Capacity 6334 rounds
General
Chance of Fire 2020 %
View Range
380100% crew: 380 m
+ Vents: 388.14 m
+ BiA : 396.29 m
+ Food: 412.57 m
380100% crew: 380 m
+ Vents: 388.14 m
+ BiA : 396.29 m
+ Food: 412.57 m
m
Signal Range
395100% crew: 411.93 m
+ Vents: 421.24 m
+ BiA : 430.55 m
+ Food: 449.17 m
745100% crew: 776.93 m
+ Vents: 794.49 m
+ BiA : 812.05 m
+ Food: 847.17 m
m
Parent Contour-USA-T28 Prototype.png
Child
Contour-USA-T110E4.png211,000 XP
Research
RT-USA-T30.jpg
Values are Stock - click for Top
USA-T30.png

The T30 is an American tier 9 tank destroyer.

The T30D1 was closely related to the T29. Both tanks were developed at the same time. The prototypes underwent trials until 1948. Never saw mass production.

The T30 has a long history in WoT. It started as a very good and in all aspects above average performing Tier X Heavy tank that after several consecutive nerfs ended at the back of the caravan. Its transformation into a Tier IX tank destroyer made this tank once again very enjoyable to play. Its main weapon, the 155 mm T7, was formidable already in the Tier X arena, but when used against Tier VIII and Tier IX targets devastation is the only word that comes in mind. Still, T30 has a very weak hull, and under no circumstances can it afford to ignore low tier opponents. In hands of a skillful player that knows how to properly use its strong points, T30 can face any tank in-game and single-handedly change the course of the entire battle.

The T30 leads to the T110E4.


















Modules

Turret
TierNameArmorTraverse SpeedTraverse ArcView RangeXP CostPriceWeight
09IX T30D1 0279 279/127/102 mm
18100% crew: 18.77 deg/s
+ Vents: 19.2 deg/s
+ BiA : 19.62 deg/s
+ Food: 20.47 deg/s
18100% crew: 18.77 deg/s
+ Vents: 19.2 deg/s
+ BiA : 19.62 deg/s
+ Food: 20.47 deg/s
d/s
360°
380100% crew: 380 m
+ Vents: 388.14 m
+ BiA : 396.29 m
+ Food: 412.57 m
380100% crew: 380 m
+ Vents: 388.14 m
+ BiA : 396.29 m
+ Food: 412.57 m
m
0------ 66,00066,000 Credits 14,200 14,200 kg
Guns compatible with this Turret:
Gun
TierNameAmmoDamagePenetrationShell PriceRate of FireAccuracyAim TimeElevationXP CostPriceWeight
08VIII 105 mm AT Gun T5E1 63 320/320/420 HP 198/245/53 mm 1,000 Credits/12 Gold/680 Credits
7.32100% crew: 7.63 rpm
+ Vents: 7.8 rpm
+ BiA : 7.98 rpm
+ Food: 8.32 rpm
r/m
0.39100% crew: 0.37 m
+ Vents: 0.37 m
+ BiA : 0.36 m
+ Food: 0.34 m
m
1.7100% crew: 1.63 s
+ Vents: 1.59 s
+ BiA : 1.56 s
+ Food: 1.49 s
s
-10°/+15° --- 118,000118,000 Credits 2,400 2,400 kg
10X 120 mm AT Gun T53 34 400/400/515 HP 248/297/60 mm 1,060 Credits/12 Gold/900 Credits
6.19100% crew: 6.45 rpm
+ Vents: 6.6 rpm
+ BiA : 6.74 rpm
+ Food: 7.03 rpm
r/m
0.39100% crew: 0.37 m
+ Vents: 0.37 m
+ BiA : 0.36 m
+ Food: 0.34 m
m
2.3100% crew: 2.21 s
+ Vents: 2.16 s
+ BiA : 2.11 s
+ Food: 2.02 s
s
-10°/+15° 51,000 250,000250,000 Credits 2,790 2,790 kg
10X 155 mm AT Gun T7 34 750/750/950 HP 276/320/90 mm 1,650 Credits/12 Gold/1,120 Credits
2.86100% crew: 2.98 rpm
+ Vents: 3.05 rpm
+ BiA : 3.11 rpm
+ Food: 3.25 rpm
r/m
0.39100% crew: 0.37 m
+ Vents: 0.37 m
+ BiA : 0.36 m
+ Food: 0.34 m
m
2.9100% crew: 2.78 s
+ Vents: 2.72 s
+ BiA : 2.66 s
+ Food: 2.55 s
s
-10°/+15° 66,500 335,000335,000 Credits 3,371 3,371 kg

Engine
TierNamePowerFire ChanceTypeXP CostPriceWeight
08VIII Continental AV-1790-3 0800 800 hp 020 20 % Gasoline --- 59,00059,000 Credits 0569 569 kg
10X Continental AV-1790-5 0860 860 hp 020 20 % Gasoline 32,000 100,000100,000 Credits 0569 569 kg

Suspension
TierNameLoad LimitTraverse SpeedXP CostPriceWeight
08VIII T80E3A 64.0564.05 t 02020 d/s ------ 42,50042,500 Credits 10,000 10,000 kg
09IX T84E38 69.0569.05 t 02222 d/s 22,50022,500 60,00060,000 Credits 10,000 10,000 kg

Radio
TierNameRangeXP CostPriceWeight
06VI SCR 508
395100% crew: 411.93 m
+ Vents: 421.24 m
+ BiA : 430.55 m
+ Food: 449.17 m
395100% crew: 411.93 m
+ Vents: 421.24 m
+ BiA : 430.55 m
+ Food: 449.17 m
m
0--- --- 21,60021,600 Credits 0100 100 kg
10X SCR 528
745100% crew: 776.93 m
+ Vents: 794.49 m
+ BiA : 812.05 m
+ Food: 847.17 m
745100% crew: 776.93 m
+ Vents: 794.49 m
+ BiA : 812.05 m
+ Food: 847.17 m
m
9,000 9,000 54,00054,000 Credits 0080 80 kg

Historical Info

By the middle of 1944, combat reports from Europe describing the use of heavy tanks by the Germans stimulated new interest in the development of an equivalent American vehicle. The Pershing medium tank provided an answer to the early model of the German Pz.Kpfw. VI Tiger. However, although the latter was still in first line service, it had first been encountered by U. S. Army during 1943. By 1944, the Germans were introducing even more heavily armed and armored vehicles (Pz.Kpfw. Tiger II). Although for morale purposes the M26 Pershing was temporarily redesignated as a heavy tank, it clearly did not provide an answer to the problem. On 14 September 1944, U. S. forces recommended development and manufacture of four prototypes for a new heavy tank. Two of these were designated as the heavy tank T29 and were to be armed with the 105mm gun T5E1. The remaining two were designated as the heavy tank T30 and were to be armed with the 155mm gun T7.

History

Two T30 heavy tanks entered the test program at Aberdeen shortly after the T29. The first arrived at the Proving Ground in April 1948, followed by the second in July. Originally intended to have the same power train as the T29, the military characteristics of the T30 were changed in late 1945 to substitute the air-cooled Continental V-12 engine for the liquid- cooled Ford GAC. The new engine, designated as the AV-1790-3, developed 810 gross horsepower at 2800 rpm and was an early model of what became the standard power plant for American tanks during the next decade. The main objective of the T30 test program at Aberdeen was to evaluate the new engine with the CD-850 cross-drive transmission.

Technical info

T30 Technical drawings
The T30 hull was essentially the same as that of the T29, except for the changes to the engine compartment necessary to accommodate the air-cooled engine. The turret was also similar to that on the T29, but was armed with the T7 155mm gun. Only one coaxial .50 caliber machine gun was located to the left of the cannon in the T124 combination gun mount. The T7 cannon had a relatively low muzzle velocity of 2300 feet per second, but the 95 pound high explosive shell had a powerful demolition effect. Separated ammunition was used as with the 105mm gun in the T29. The cased-propelling charge weighed about 40 pounds: bringing the complete 155mm round weight to approximately 135 pounds. Thirty-four complete rounds were carried, and a spring rammer was provided for use with the heavy separated ammunition. Even prior to the tests, it had been expected that there would be considerable difficulty in handling the heavy ammunition inside the tank turret. On 24 July 1947, the U.S Army authorized the diversion of one T30 for the installation of experimental automatic ramming equipment, an automatic cartridge case ejecting mechanism, and a drive mechanism for indexing the mount for loading and returning the weapon to its previous position. The latter was required because the lack of space inside the turret, combined with the size and weight of the ammunition, permitted the loading of the gun only within a very limited range of elevation. This heavy tank was designated as the T30E1, the weapon and mount as the 155mm gun T7H1, and the combination gun-mount the T124E1.
T30E1 prototype

The sequence of operations when the cannon fired in the T30E1 was as follows; 1. The gun fired, recoiled, and returned to the battery position. 2. The gun automatically elevated or depressed to line up with the rammer tray. 3. The rammer-tray was extended. 4. A port in the rear of the turret bustle opened to allow the ejection of the empty case from the turret. 5. The gun breech opened and ejected the empty case. 6. A new projectile and cartridge case were lifted onto the rammer-tray. 7. The projectile and case were rammed and the breech closed. 8. The rammer-tray was withdrawn. 9. The gun automatically elevated or depressed to its original firing position parallel with the gunner's sight. To aid in handling the heavy ammunition, a power lifting device was installed in the T30 and T30E1 during the testing program. From the outside, the only obvious identification point on the T30E1 was the ejection port in the lower rear wall of the turret bustle.

T-series prototypes

The T29, T30, T32, and T34 series of tanks were used to evaluate numerous experimental components after World War II. Although too late for the war for which they were designed, they provided invaluable service in developing these components for later tanks. Much of the work which made the early AV-1790 engine and the CD-850 transmission a reliable power package utilized these tanks. Later, they were used in the development of other power train components such as the XT-1400 transmission, which was tested in the T30.


American Heavy tank comparision
Mk.VII M6 T28 T29 T30 T32 T34 M103A2
Crew 8 6 4 6 6 5 6 5
Lenght 10,43m 8,43m 11,12m 11,56m 10,9m 10,83m 11,77m 11,23m
Width 3,66m 3,12m 4,54m 3,8m 3,8m 3,76m 3,8m 3,63m
Height 3,12m 3,00m 2,86m 3,22m 3,22m 2,81m 3,22m 3,56m
Weight 39,5t 57,4t 86,3t 64,25t 64,74t 54,5t 65,2t 58,1t
Engine
power
Liberty
338hp
G-200
960hp
GAF
500hp
GAC
770hp
AV1790
810hp
GAC
770hp
AV1790
810hp
AV1790
750hp
Max. speed 8,8km/h 35km/h 12,8km/h 35km/h 35km/h 35km/h 35km/h 37km/h
hull armour
(angle)
12mm
(28)
83mm
(30)
305mm 102mm
(54)
102mm
(54)
127mm
(54)
102mm
(54)
127mm
(60)
side armour 12mm 70mm 152mm 76mm 76mm 76mm 76mm 51mm
Turret armour
(mantlet)
16mm 83mm
(102mm)
- 178mm
(279mm)
178mm
(279mm)
298mm
(298mm)
178mm
(279mm)
127mm
(254mm)
top armour 6-10mm 25mm 38mm 38mm 38mm 38mm 38mm 38mm
bottom armour 6-8mm 25mm 25mm 25mm 25mm 25mm 25mm 38mm
Gun 2x57mm
Hotchkiss
75mm M7
37mm MB
105mm
T5E1
105mm
T5E2
155mm
T7
90mm
T15E2
120mm
T53
120mm
M58
Secondary
armament
5x7,62mm
Hotchkiss
2x12,7mm
HB M2
2x7,62mm
M1919A4
12,7mm
HB M2
3x12,7mm
HB M2
7.62mm
M1919M4
2x12,7mm
HB M2
7.62mm
M1919M4
12,7mm
HB M2
2x7.62mm
M1919M4
3x12,7mm
HB M2
7.62mm
M1919M4
3x12,7mm
HB M2
7.62mm
M37
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