Difference between revisions of "M56"
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* HEATFS are expensive (640 SL, per round)
* HEATFS are expensive (640 SL, per round)
* Affected by the Hull Break mechanic (Large HE shells will destroy the M56 in 1 shot)
* Affected by the Hull Break mechanic (Large HE shells will destroy the M56 in 1 shot)
== History ==
== History ==
Revision as of 22:03, 24 October 2019
20 km/h back44 km/h forward
18 km/h backSpeed
The M56 Scorpion is a Rank IV American tank destroyer with a battle rating of 6.3 (AB) 6.7 (RB/SB). It was introduced in Update 1.63 "Desert Hunters".
Though one of the lightest tank destroyers in the game, its 90 mm gun gives it a very powerful punch, especially when using the HEATFS round, which penetrates 320 mm of armour.
Survivability and armour
Fitting the definition of a glass cannon, the M56 has virtually no armour to speak of, as the majority of the tank comprises structural steel not meant to protect the crew and has a weak armour modifier (x0.45 KE), which renders it near useless in protecting internal components from incoming fire of any caliber, with the exception of high-angle impacts from rifle-caliber rounds. This description also applies to the only armour plate found on the entire tank, the gun shield, as the 5 mm thick plate with 12 mm of bullet-proof glass will only be able to stop rifle-caliber bullets from mid to long ranges.
The crew consists of only 3 members, a driver on the port side of the gun breach, the gunner on the starboard side of the gun breach, and the commander sitting rather casually behind the driver. If the tank is spotted and takes fire, expect the commander to be the first crew member down, since he is the most exposed of the three, sitting far away and above the gun shield. Overall, survivability is very low and it is advised to take precautions to not take any fire from the opposition, making use of terrain and mobility when the battle gets heated.
- Structural steel
- Rolled homogeneous armour (Gun shield)
- Bulletproof glass
|Hull|| 15 mm (59-79°) Front glacis
15 + 10 mm (29-65°) Lower glacis
10 mm Engine cover
|15 mm||15 mm (1-70°)||10 mm|
|Gun Shield|| 5 mm (17°) Shield
12 mm (17°) Bulletproof Glass
- Wheel thickness is 10 mm, sprocket and idler wheel are 20 mm thick, and tracks are 15 mm thick.
Where the M56 lacks in armour, it easily makes it up in mobility. It's light weight and decently powered engine gives it a great power-to-weight ratio that lets it propel to top speed easily, even when stock. You'll want to use this to gain access to favorable positions at the beginning of each match. When your position is compromised, seek a retreat using it's excellent reverse speed of 20 km/h and plan ahead your next route.
|Weight (tons)|| Add-on armour
|Max speed (km/h)|
|Engine power (horsepower)|
|Power-to-weight ratio (hp/ton)|
|90 mm M54|
| Horizontal |
|Turret rotation speed (°/s)|
|Mode||Stock||Upgraded||Prior + Full crew||Prior + Expert qualif.||Prior + Ace qualif.|
|Reloading rate (seconds)|
|Stock||Prior + Full crew||Prior + Expert qualif.||Prior + Ace qualif.|
The M54 cannon has 5 great flavors of destruction to choose from: APCR rounds, APCBC rounds, HEAT-FS rounds, HESH shells, and HE shells.
The M332 APCR shells are the basic rounds that you'll utilize when you first play your tank. Like any other APCR shell, with knowledge of the opposition's internal components such as gunner/driver locations and ammo racks, it is very useful against heavy foes with low-angle slopes in their armour profile. But, it is very lacking in post-penetration damage. Though they are free to use, players may find the lack of post-penetration damage unfavorable, especially for a glass cannon who can't risk staying exposed for very long trying to pick apart an armoured foe.
The M82 APCBC shells are probably the first shells you'll unlock and will provide some relief if you've grown tired of the APCR's low post-pen damage. Like any other APHE, they possess good penetration at close to mid range with exceptional post-penetration damage for dealing with moderately armoured targets like many of the medium tanks you'll encounter at your battle rating. As soon as you unlock these, start carrying these as your standard round against most tanks while carrying a few of the above APCR for heavier foes, at least until you unlock the HEAT-FS round.
The M431 HEAT-FS should be the round you want to rely on to take care of most armoured foes you come across. Combining the best muzzle velocity, the greatest penetration, especially at long range, and decent post-penetration damage makes this the superior round to use in any mid-to-long range engagement. At close range or in ambush situations, with this shell being your loaded round, you will most likely cripple any target you may encounter. It may then be best to switch to APCBC or HESH (depending on the vehicle type) as a follow up to finish off the surviving target, unless the target still presents itself to be very armoured from your angle of fire (like the Maus or most heavies from the front). Especially so if you're conscious about your ammo bill after the battle as HEAT-FS are not the cheapest option.
The T142E3 HESH are an advanced high-explosive round that's capable of penetrating thick armour, even when it is highly-sloped. If you know your target possesses not a single plate of armour greater than 100mm, then these are the rounds to use to wreck them at any range, as these are equally effective against a valid target, including many medium tanks, any light tank and SPAA, and even some heavy tanks that rely on angles rather then raw thickness like an IS-3 or AMX-50 Surbaisse. Just be sure to aim away from the tracks and suspension, as these modules can easily absorb any damage caused by HESH.
The M71 HE are just like your typical medium-caliber HE round, good against unarmoured targets like exposed crew members, hull-breakable vehicles, and air targets (should you be able to hit them), but not very useful outside of that. Though this is a free round with slightly better velocity (making it easier to use at long range), favor HESH instead when you can as it carries nearly as much of a payload and has increased versatility against more targets.
One last ammo type to mention are the M313 Smoke shells. While not particularly useful for the role the M56 typically fills, they can still have good effect in long-range conflicts where a smoke to the face of an experienced enemy sniper can buy you or your allies time to bypass them in favor of a retreat or advancement towards the objective.
Overall, with all shells unlocked where you'll be employing mid to close range tactics, the typical recommended ammo composition can look something like this: 12 HEAT-FS, 4 APCBC, 5 HESH. For long-range engagements where you'll be playing more of a sniper role, it's best to forgo the APCBC in favor of bringing as much HEAT-FS as you can while throwing in a couple of smokes, though the smokes are optional. With this the recommended ammo composition for long-range engagements will look more like this: 20 HEAT-FS, 7 HESH, 2 Smokes.
|Ammunition|| Type of
|Penetration in mm @ 90°|
Mass in kg
| Fuse delay
| Fuse sensitivity
| Explosive Mass in g
| Normalization At 30°
Mass in kg
| Screen radius
| Screen time
| Screen hold time
| Explosive Mass in g|
|29||20 (+9)||11 (+18)||1 (+28)||No|
- Recommended ammo load is 20. Carry full load of 29 rounds for large open maps like Kursk, Fulda Gap and Maginot Line.
Usage in the battles
The M56 Scorpion is a fast, light tank destroyer with very little armour to speak of.
A rapid volley from an enemy machine gun will knockout the three crew members with ease, if not carefully concealed. Its 90 mm M54 cannon is very able to disable enemy tanks at Rank IV. It is able to perform various destruction missions utilising various tactics. An M56 Scorpion is a dedicated airborne tank destroyer with airborne vehicle-based performance. The scorpion has a very stable and fast rate of acceleration on any terrain with a top speed of up to 28 MPH (45 km/h). With its high speed, it is very tempting to charge towards the capture point. When in a situation where a single enemy tank is present, unprotected, uncovered and separated from the opposing team. A rampaging Scorpion will be able to close in, then blow it up to kingdom come. However, caution must be undertaken throughout.
Be wary that any tank, even if only armed with a machine gun, is capable of knocking out the M56 due to the exposed crew. One particular enemy to keep an eye for is the ASU-85. It's a complete soviet equivalent of the Scorpion. Its stock BR-372 APCBC-HE is hopeless against a Scorpion since it will always overpenetrate it & be unable to explode inside its engine or gun breech. Meanwhile the M82 APCBC-HE has the opposite effect against it, as the ASU-85 has 45 mm armour just like the T-34-85, which was a big mistake. Even with inferior penetration, an M82 still has 1.5x more explosive warhead. Given enough penetration, it will always be able to cause it to explode frontally without much effort. Take a grain of salt when firing at the ASU-85 from its flank, since the M82 will also overpenetrate away. Loading the M71 HE is much better, since the explosion will spam the ASU-85's interior all over the place. Or if already loaded with M82 & an ASU-85 is approaching while showing its flank, aim for the engine to prevent it from recovering & escaping. Then blast it away.
While the Arcade Battle environment is not favorable due to the marker system easily spotting the M56, it can still perform in flank and surprise attacks if employed properly. It still can snipe from far away & make score against some targets when the M431 HEATFS is unlocked. Be aware that many light tanks can hunt it down if caught in firing range, particularly the M41A1 Bulldog and T92.
The battle environment is more favorable in Realistic and Simulator Battles. It can completely perform full flanking manoeuvres even when stock, it can also snipe from far-distance without getting spotted easily. Using both tactics will guarantee a complete concealment from the enemy, while being able to launch M82 APCBC-HE at them with just a couple of shots. Closing in to the enemy is only viable if the enemy number has been completely depleted and/or are unable to insert reinforcements to cover their team.
Closing in, the Scorpion can out manoeuvre and outflank most, if not all enemy vehicles at its BR. When it is unable to flank due to tight enemy formation across the map, sniping is the best option.
It is recommended to Load: M431 HEATFS or M82 if the enemy armour is insufficient to withstand such rounds. I.e. T-34-100). The reload time can help it to outgun any opposition, to withstand its sustained rate of fire. Especially if it is equipped with an Ace crew, which can reload around of 7 seconds. Also, try to use an ambush tactic. It can annihilate a whole team if used by a skilled player.
Pros and cons
- Very small profile (68% visibility)
- Excellent mobility & maneuverability on all terrain (45 km/h top speed & acceleration, 20 km/h reverse speed)
- A practically airworthy vehicle- very, very light (7 tons)
- The same 90 mm gun and ammunition selection as the M48A1 Patton
- Heavy recoil when fired from a hill will sometimes save the vehicle from enemy fire, explosive push
- Very quick sustained reload time
- 3 varieties of very capable shells
- APCR as stock shell; big penetration bonus from the start, also free
- Destructive APCBC-HE; can bake a tank's interior through side shot
- HEATFS can easily punch 320 mm of armour
- No armour, vulnerable to strafing attacks from planes
- Completely exposed crew from all angles
- Easily tipped over because of its weight
- A shot through the bulletproof glass will knock-out 2 crew members and instantly disable the vehicle
- Top speed is limited at 45 km/h. While boasting excellent acceleration, it will be outrun by other light vehicles on open field
- Heavy recoil will make the vehicle jump back about 5 feet, forcing a realignment of the sight
- High chance to catch fire when shot in the frontal hull
- Hopeless if its engine is destroyed
- APCR as stock shell; unable to cripple a tank even from flank with only a shot
- HEATFS are expensive (640 SL, per round)
- Affected by the Hull Break mechanic (Large HE shells will destroy the M56 in 1 shot)
- Does not climb unless with the help of a long run up
During World War II, the constant problem for the US Airborne divisions is that their anti-tank power was very minimal in the front lines. Though there were attempts to improve their firepower with towed anti-tank guns or airborne tanks like the M22 Locust, the former proved too cumbersome and heavy while the latter proved too under-powered and weak. Thus, development began in April 1949 for a very lightly armoured vehicle to mount a hard-hitting gun with heavy emphasis on firepower, speed, and with as little weight as possible. This evolved into the development of a self-propelled 90 mm gun and the project was taken up by the Cadillac Motor Division of General Motors. The pilot vehicle developed were designated T101.
The first models were completed in 1953 and were tested in 1955. It was approved for service in 1958 and designated as the M56 90mm self-propelled gun, or by its nickname "Scorpion" and its acronym SPAT (Self-Propelled Anti-Tank). It's main selling point was being light enough at only 7 tons to be lifted by helicopter or carried onto aircraft, allowing for parachute drops. As a rather specialized vehicle, it wasn't produced in large numbers, with only 150 units built from the Cadillac production line from 1953 to 1959.
The M56 Scorpion was issued out to airborne and anti-tank units from 1958 to the early 1960s. As a defensive weapon, the M56 Scorpion was never meant to venture out to seek and destroy enemy tanks, but its lack of armour was still criticized by its crew, what with only a simple gun shield blocking the crew from getting shot by even small arms. The lightness of the vehicle was also bad for the extreme recoil of the 90 mm M54 gun, which would lift the entire vehicle off its front wheels. An informal manual even recommends that when firing, the commander and loader should step off the vehicle to avoid being harmed by the lurching vehicle. The M56 Scorpion served America in combat during the Vietnam War in the 173rd Airborne Brigade, with 17 vehicles organized into three platoons. It served as a defensive role in most of American foreign bases until the advent of the anti-tank missile launchers such as the TOW, which proved more potent than the Scorpion, and was replaced in the late 1960s and early 70s.
The M56 Scorpions were also given out in limited numbers, with Morocco given 87 vehicles and Spain obtaining 5 in the Military Aid Program. Morocco used the Scorpions in the Western Sahara War, being the only foreign user of the M56 Scorpions.
At least 18 intact M56 Scorpions survive in the United States today, mainly in museums and in private collections.
An excellent addition to the article will be video guides, as well as screenshots from the game and photos.
- Zaloga Steven. M551 Sheridan: US Airmobile Tanks 1941-2001 Great Britain: Osprey Publishing Ltd., 2009
Links to the articles on the War Thunder Wiki that you think will be useful for the reader, for example,
- reference to the series of the vehicles;
- links to approximate analogues of other nations and research trees.
Paste links to sources and external resources, such as:
- topic on the official game forum;
- other literature.
|USA tank destroyers|
|Early projects||75 mm Gun Motor Carriage M3 · 75 mm Howitzer Motor Carriage M8 · 75 mm Gun Motor Carriage M8|
|Based on M4||3-inch Gun Motor Carriage M10 · 90-mm Gun Motor Carriage M36|
|M18||M18 Gun Motor Carriage · M18 Gun Motor Carriage "Black Cat" · M18 90-mm Gun Motor Carriage|
|T95||Super Heavy Tank T28 · 105 mm Gun Motor Carriage T95|
|Post-war||M50 · M56 · T114 · Combat Vehicle, Anti-tank, Improved TOW Vehicle, M901|