Difference between revisions of "UDES 33"
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The thickest plate on the UDES 33 front is 18.5 mm, and all armour plates are rolled homogeneous steel. However, the sides are only 7 mm thick, meaning that the hull will not stand up to anything, not even LMG or distant artillery hits. The sides will also detonate light tank APHE on glancing hit. | The thickest plate on the UDES 33 front is 18.5 mm, and all armour plates are rolled homogeneous steel. However, the sides are only 7 mm thick, meaning that the hull will not stand up to anything, not even LMG or distant artillery hits. The sides will also detonate light tank APHE on glancing hit. | ||
| − | Due to the lack of a roof, survivability is very poor. Furthermore, the gunner is completely exposed from the waist up. Not only that, but he is standing right next to the rest of the crew, so it is possible to take out everyone by shooting him with HE-I, making even random hits from SPAA fatal. Due to the open-topped nature of the tank it is ill adviced to directly attack any HEAT or HEAT-FS armed sniper tanks (like the [[Leopard 1]]), as they are basically expected to use it all the time and have zero tolerance for ATGM carriers. | + | Due to the lack of a roof, survivability is very poor. Furthermore, the gunner is completely exposed from the waist up. Not only that, but he is standing right next to the rest of the crew, so it is possible to take out everyone by shooting him with HE-I, making even random hits from SPAA fatal. Due to the open-topped nature of the tank it is ill-adviced to directly attack any HEAT or HEAT-FS armed sniper tanks (like the [[Leopard 1]]), as they are basically expected to use it all the time and have zero tolerance for ATGM carriers. |
| − | Since the armour cannot be relied on, the stealth and terrain | + | Since the armour cannot be relied on, the stealth and terrain compatibility is all the UDES 33 has. In a straight fight, the hull can be hidden behind any medium tank hull or a rock, the gunner is standing on the left side and can be hidden behind tank turret or a tall rock. The carrier must attack from behind cover, from the left and ONLY from the left without exposing the hull if possible. In that case, only the launcher is momentarily exposed and the opponent might not immediately fire MG or explosives at it. In the case APHE or APDS is fired, the gunner still immediately gets knocked out and the launcher is broken, but the carrier might live on and retreat. |
=== Mobility === | === Mobility === | ||
| Line 27: | Line 27: | ||
The carrier is not too fast and is more in line with a medium tank in terms of speed, which is serviceable. | The carrier is not too fast and is more in line with a medium tank in terms of speed, which is serviceable. | ||
| − | One of the strong sides of UDES 33 is the | + | One of the strong sides of UDES 33 is the 3D mobility. While this is not enough to compensate for visibility mechanics in AB, if used to the limit, it might allow to climb up a tall hill or a rock nobody is currently looking at and cause disbelief in enemy mind for long enough to launch the missile and disappear before getting shot. |
=== Modifications and economy === | === Modifications and economy === | ||
| Line 45: | Line 45: | ||
Until the "parts" are researched, avoid taking damage to the launcher, as it will be impossible to fire until the launcher is completely repaired - the field repair does not help. | Until the "parts" are researched, avoid taking damage to the launcher, as it will be impossible to fire until the launcher is completely repaired - the field repair does not help. | ||
| − | As an upside, the launcher depression allows to aim the missile straight at enemy tanks even at very awkward angles and it isn't impossible to use against helicopters as well. However, most of the tanks at the | + | As an upside, the launcher depression allows to aim the missile straight at enemy tanks even at very awkward angles and it isn't impossible to use against helicopters as well. However, most of the tanks at the battle-rating also have roof-mounted MG and should be able to hard counter UDES 33 if they see it first. |
The missile starting speed is about 150 m/s, but it will accelerate towards 300 m/s in a second, at 300 m the time of arrival is about 2 seconds, at 900 m it is 4 seconds. This makes the carrier fighting style more long-range centric. | The missile starting speed is about 150 m/s, but it will accelerate towards 300 m/s in a second, at 300 m the time of arrival is about 2 seconds, at 900 m it is 4 seconds. This makes the carrier fighting style more long-range centric. | ||
Revision as of 15:58, 26 September 2022
Contents
Description
The Underlagsgrupp Direkt Eld Stridsfordon 33 (shortened to UDES 33, literally Ground Group Direct Fire Combat Vehicle 33) is a rank VI Swedish tank destroyer with a battle rating of 8.3 (AB/RB/SB). It was introduced in Update 1.97 "Viking Fury".
General info
Survivability and armour
The thickest plate on the UDES 33 front is 18.5 mm, and all armour plates are rolled homogeneous steel. However, the sides are only 7 mm thick, meaning that the hull will not stand up to anything, not even LMG or distant artillery hits. The sides will also detonate light tank APHE on glancing hit.
Due to the lack of a roof, survivability is very poor. Furthermore, the gunner is completely exposed from the waist up. Not only that, but he is standing right next to the rest of the crew, so it is possible to take out everyone by shooting him with HE-I, making even random hits from SPAA fatal. Due to the open-topped nature of the tank it is ill-adviced to directly attack any HEAT or HEAT-FS armed sniper tanks (like the Leopard 1), as they are basically expected to use it all the time and have zero tolerance for ATGM carriers.
Since the armour cannot be relied on, the stealth and terrain compatibility is all the UDES 33 has. In a straight fight, the hull can be hidden behind any medium tank hull or a rock, the gunner is standing on the left side and can be hidden behind tank turret or a tall rock. The carrier must attack from behind cover, from the left and ONLY from the left without exposing the hull if possible. In that case, only the launcher is momentarily exposed and the opponent might not immediately fire MG or explosives at it. In the case APHE or APDS is fired, the gunner still immediately gets knocked out and the launcher is broken, but the carrier might live on and retreat.
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 | 58 | 14 | 8.6 | 213 | 286 | 24.77 | 33.26 |
| Realistic | 53 | 12 | 133 | 150 | 15.47 | 17.44 | |
The carrier is not too fast and is more in line with a medium tank in terms of speed, which is serviceable.
One of the strong sides of UDES 33 is the 3D mobility. While this is not enough to compensate for visibility mechanics in AB, if used to the limit, it might allow to climb up a tall hill or a rock nobody is currently looking at and cause disbelief in enemy mind for long enough to launch the missile and disappear before getting shot.
Modifications and economy
| Mobility | Protection | Firepower | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|
|
Armaments
Main armament
The Rbs 55 is a rather weak ATGM in terms of penetration and the reload rate also leaves something to be desired. The ATGM is often blocked by fuel tanks and often cannot even scratch tanks like the T-55AMD-1. The time it takes to reload the ATGM will also allow many of foes to replace their crew members before launcher is ready to fire again. Generally it is best to retreat back into cover if the missile only knocks out an opponent's gunner, rather than dealing sufficient damage to their gun breech or barrel, even if the enemy tank does not have machine guns.
Additionally, the UDES 33 can only carry a maximum of 10 missiles, so they must be used sparingly. Taking a full ammo load is recommended. The speed at which the missile launcher can be aimed at a target is decent, however do not expect to be able to quickly return fire at an opponent should you manage to survive a shot from them. The launcher is restricted in horizontal movement to approximately the 3 and 9 o'clock positions.
Until the "parts" are researched, avoid taking damage to the launcher, as it will be impossible to fire until the launcher is completely repaired - the field repair does not help.
As an upside, the launcher depression allows to aim the missile straight at enemy tanks even at very awkward angles and it isn't impossible to use against helicopters as well. However, most of the tanks at the battle-rating also have roof-mounted MG and should be able to hard counter UDES 33 if they see it first.
The missile starting speed is about 150 m/s, but it will accelerate towards 300 m/s in a second, at 300 m the time of arrival is about 2 seconds, at 900 m it is 4 seconds. This makes the carrier fighting style more long-range centric.
| Rbs 55 missile | Turret rotation speed (°/s) | Reloading rate (seconds) | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mode | Capacity | Vertical | Horizontal | Stabilizer | Stock | Upgraded | Full | Expert | Aced | Stock | Full | Expert | Aced |
| Arcade | 10 | -20°/+25° | -100°/+120° | N/A | 15.8 | 21.9 | 26.6 | 29.5 | 31.3 | 13.00 | 11.50 | 10.60 | 10.00 |
| 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 | ||
| RB 55 | ATGM | 430 | 430 | 430 | 430 | 430 | 430 |
| Shell details | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Ammunition | Type of warhead |
Velocity (m/s) |
Range (m) |
Projectile Mass (kg) |
Fuse delay (m) |
Fuse sensitivity (mm) |
Explosive Mass (TNT equivalent) (g) |
Ricochet | ||
| 0% | 50% | 100% | ||||||||
| RB 55 | ATGM | 299 | 3,000 | 18.8 | 0.05 | 0.1 | 3,210 | 80° | 82° | 90° |
Ammo racks
| Full ammo |
1st rack empty |
2nd rack empty |
3rd rack empty |
4th rack empty |
5th rack empty |
6th rack empty |
Visual discrepancy |
|---|---|---|---|---|---|---|---|
| 10 | __ (+__) | __ (+__) | __ (+__) | __ (+__) | __ (+__) | __ (+__) | __ |
Usage in battles
The UDES 33 performs best when using natural terrain cover, as it cannot take any punishment. It is advisable to sit behind the primary lines of the allied team, and pick enemies off when they expose themselves in the distance. Try to get the most out of relatively high ATGM speed - by firing from the sides and changing positions you can maximize the time it takes for enemies to notice the giant fireball flying towards them, sometimes long enough to get hit by them.
It's not impossible to sneak closer to the enemy, but be wary of IFVs and SPAAs (or any vehicle with a high rate of fire), as well as the machine guns mounted on any vehicle, as the gunner is exposed entirely, the entire crew is next to him and the hull armor is very weak. The missile starting speed of 150 m/s also means that almost all light tanks have the upper hand at close range. By hiding behind rocks or dead tanks and quickly pushing the launcher out of cover it becomes possible to sneak a shot in when the enemy is not focused. You will only have one chance of destroying any given tank, as once you miss or fail they will not let you go and will pursue you until you are annihilated, better tankers might even fire back before the ATGM lands on them, resulting in a double KO. However, some heavy tanks have an irrational fear of ATGM and will not push even when they clearly have an advantage, as long as you don't push your luck as well.
Notable enemies:
- Autocannon tanks: Most lethal opponents include the M3 Bradley, M163, Gepard, BMP-2, ZSU-57-2, ZSU-23-4, Warrior, Falcon, WZ305, AMX-30 DCA and even the SIDAM 25.
- Heavy tanks: The UDES 33 can perform well at 6.7-7.3, but the angle of armour on many German tanks should be considered before engaging. At a higher BR, the missile will only penetrate if hit them as flat as possible.
- Soviet medium tanks: Attack their left (right for you) to deal guaranteed damage, the fuel tank on the other side is way too good at blocking Rbs 55 despite potential of fatal damage. It might force some opponent to stop and use FPE, but any reasonable person will first destroy the UDES 33 and only then start repairing. Needless to say, some enemies might not even have FPE and it will set them into berserker mode, then they will simply rush forward to end you specifically, as they have nothing to lose.
- T-55AMD-1: From the front - effectively impossible on flat ground, even with ambush tactics the APS reacts faster than their owners themselves. You may have some chance if firing over cover or at their LFP, but the chances are slim. From 90 degrees on the side - try to ammo rack it immediately, as if it manages to turn the turret towards you it is over.
Pros and cons
Pros:
- Rather agile for its tonnage, and when upgraded is surprisingly quick and nimble, easily allowing for moving from cover to cover
- Unnoticeable when standing still (RB only)
- ATGM speed might catch some snipers off guard if used correctly
- Great gun depression, allowing the vehicle to fire from behind cover by simply exposing the ATGM launcher
Cons:
- One of the weaker ATGM in terms of penetration and with no upgrades unlike other ATGM carriers
- Open-topped tank, the gunner is exposed to direct MG fire, shrapnel from gunner hit can enter the interior as well
- Somewhat long reload time when compared to tanks
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
- Skins
- Videos
See also
External links
Paste links to sources and external resources, such as:
- topic on the official game forum;
- encyclopedia page on the tank;
- other literature.
| Hägglund & Söner | |
|---|---|
| Light Tanks | |
| Ikv 91 | Ikv 91 · Ikv 91-105 |
| Tank Destroyers | |
| ATGM Carriers | UDES 33 · Pvrbv 551 · Pbv 302 (BILL) |
| SPAA | |
| Strv m/41 | Pbv 301 |
| SAM | Lvrbv 701 |
| See Also | BAE Systems AB |
| Sweden tank destroyers | |
|---|---|
| Strv m/41 derivatives | Spj fm/43-44 · Sav m/43 (1944) · Sav m/43 (1946) · Pvkv II · Pvkv III |
| Ikv 72/103 | Ikv 72 · Ikv 103 |
| Pvkv m/43 | Pvkv m/43 (1946) · Pvkv m/43 (1963) |
| ATGM | UDES 33 · Pbv 302 (BILL) · Pvrbv 551 |
| Other | SAV 20.12.48 · Bkan 1C |
| Norway | VIDAR |
