GM-6

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GM-6
GRV-6000.png
GM-6 and all of its variations and camouflages as well as the the SEM-283[G] at the bottom
Type Main battle tank
Place of origin  Graditora
Service history
In service 2013-present
Used by  Graditora
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Transoxthraxia
Production history
Designed 2002-2013
Manufacturer Graditoran Arms
MacTavish Armor and Weapons
Erickson Weapon Systems
Unit cost 8 million NSD$
Produced 2013-present
Number built 6,000?
Variants Factory
Stealth
Combat
Specifications
Weight 53 tons factory loaded
55 tons with stealth panels added
58 tons combat loaded
Length Overall: 12.13yrds(11.10m) with gun forward
Chassis: 10.11yrds(9.25m)
Width 3.8yrds(3.5m)
Height Top of the Turret: 2.5yrds(2.35m)
Top of the RWS: 3.12yrds(2.86 m)
Crew 3 (commander, gunner, and driver)

Armor AMAP (ADS, Mine, MPS, B, P, R, SC, and L modules), MUSS, RH armor (for base chassis), and Adaptiv.
Main
armament
128 mm L/47 C-14A3 smoothbore cannon
38 rounds (18 rounds in the autoloader with 1 in the chamber. 19 additionally stored in the hull.)
Secondary
armament
1 x Coaxial mounted 20mm autocannon
2 x Weapons Mounted in RWS
1 x Missile Pod
Engine GM-1500-TEMFS multi-fuel turbine engine
1,500 horse power
Power/weight 28.3
Transmission GM-TT550 Automatic Transmission
Suspension Hydropneumatic suspension
Ground clearance 0.45 m
Fuel capacity 530 gallons(2006.27L) + 35 gallons(132.48L) in external storage
Operational
range
350 miles(563.27km) + 100 miles(160.93km) with external storage
Speed On Road: 45 mph(72.4kmh)
On Road: 34 mph(54.7kmh)

The GM-6 is a fourth-generation main battle tank developed by the Trade Empire of Graditora. It is currently the most advanced main battle tank in service in [insert region here]. The GM-6 is the first main battle tank fielded by both the Graditoran Regular Army to have the engine at the front of the tank. It is affectionately referred to by Graditoran tankers as the "Scorpio". With the additional use of easy to replace applique armor sections and simplified turret assembly removal repair of the GRV is greatly shortened to put crews and tanks back into the fight as well as supporting the growth veteranized armor operators.

Overview

The GM-6 project's main plan was to produce a light weight tank to complement and replace existing tanks in the Graditoran arsenal such as the GM-4, and GM-5. The project began in the early 2000's with expected results in 2011. When the experimental vehicle was first produced to be shown to military officials in Graditora for the 2010 tank trails it met protection standards but was deemed 12 tons over the required weight range. This was fixed with the 2012 model meeting all requirements for fielding. In 2013 all the bugs were rooted out and the tank was tested successfully in urban, jungle, temperate, and desert terrains.

The GM-6 uses a hard kill and soft kill missile defense system that is being implemented on GM-4 and GM-5 main battle tanks. Called AMAP-ADS and MUSS, these two counter measures are predicted to increase kill-ratio and crew survival substantially.

The tank's armor is fully modular allowing the tank to be equipped for a variety of missions with the base value weight of the tank being 53 tons. The factory version of the tank is the base weight, the stealth weight's value is 55 tons, and the combat tank's weight value 58 tons.

The total cost for the development of the tank was NSD$525 million with the expected cost of the tank to drop down from NSD$12 million per tank to NSD$6 million by 2018. Projected costs per vehicle in 2016 are currently at the eight million NSD$ range.

The Graditoran Regular Army have put in orders for 1,000 of the tanks in late 2012 and for 100 tanks to be delivered every month until the amount ordered has been met. These requests have been accepted and the tanks were delivered on time by December 2013. More tanks are expected to be bought with predicted numbers being around 2,000 when tank factories eventually switch over entirely to the GM-6 by November 2014. The GM-6 officially entered service and replaced both the GR-5 in Graditora by 2013 with crews trained for half the fleet by June 2013. All tanks were fielded and crewed by October 2013. As of 2016 the GM-6 is currently Graditora's most numerous main battle tank with around 6,000 in service allowing more predecessor MBTs of Graditoras arsenal be converted to support vehicles.

In late 2015, Transoxthraxia purchased a Domestic Production License from the Trade Empire of Graditora to produce the GM-6 under a local designation with an up-armed 15.5cm cannon. This purchase was a part of the Second Transoxthraxian Armament Revitalization Project that was started in early 2014 after the Army's fears about outdated equipment came true when a mechanized Transoxthraxian division was ambushed and successfully routed by a group of socialist insurgents in the Western part of the nation during the Constitutional Crisis. The GM-6, locally designated as the SEM-283[G] Madaras IV, is slotted to replace the outmoded and ineffective SEM-230 Atsh2/A1. The Transoxthraxian Republican Army ordered a total of 2,000 to be produced, at a production quota of 100 a month, with a number of privatized arms manufacturers including the Transoxthraxian Royal Armoury taking place in the production. The first models of the type rolled out of Transoxthraxian factories in December, 2015, and the two hundred and ninety six that have been produced in total have been assigned to the central group of the Transoxthraxian Expeditionary Force, and are being deployed in offensive actions in the joint Kolish-Transoxthraxian invasion of Vioska. It is yet to be seen if the SEM-283[G] will operate alongside, surpass, or be retired in favour of the XM-SEM-III Project, a Main Battle Tank design based in Transoxthraxia with monetary and design assistance from Graditora.

The GM-6 when first leaving the factory can be left in factory armor conditions with hard-kill and soft-kill missile deflection systems and AMAP or it can be outfitted for heavy combat conditions with the simple attachment of AMAP-SC to all sides of the tank for maximum protection or be outfitted to fight from ambush positions or sneak behind enemy lines with adaptiv able to change its heat signature masking it's position from IR scopes.

The GM-6 is innovative in that the crew members are placed in the hull of the tank and none in the turret. This is possible due to the RWS turret controls. The unmanned turret also increase crew survivability and tank survivability when in a hulldown positions allowing the crew to retreat with the tank to be repaired and put back into service. With a -9 degree angle arc this hulldown position is easily obtainable by being able to take advantage of hill crests.

The situational awareness is done mostly digitally with cameras. This is only a slight problem for older servicemen who have served in previous MBTs notably the GM-5, but has been highly negated by the great results for the next generation of servicemen who have adapted to the new situational awareness suite with a remarkable degree of success. One panoramic periscope is placed on the rear of the turret close to the center to act like a commander's hatch. There is a conventional panoramic sight right above and next to the laser rangefinder and a 180° eye socket camera for a view in front of the turret. There is also a small hatch in front of the turret to the right of the driver's camera that allows the driver to get a first hand look for themselves if needed. This leaves literally no blind spots on the GM-6.

The cannon the GM-6 mounts is the 128 mm L/47 C-14A3 smoothbore cannon which is produced in Graditora and is lighter then the previous C-14 cannons, controls recoil better, displaces heat more efficiently then previous models and with advanced munitions the cannon doesn't sacrifice any velocity in comparison to L/55 guns. It comes with an advanced integrated thermal sleeve within a surrounding layer of temperature resilient material (TRM) which gives it the reputation for better heat displacement then respective regional equivalents. The autoloader on this tank is similar to the AMX-56's but can fire at a higher rate with the sacrifice of ammunition held in the magazine lowered to 18. The GRV can fire a burst of 6 rounds in under 20 seconds allowing the tank to have a maximum RPM value of 18 rounds. This will deteriorate the barrel more so then controlled single shot firing but is possible if need be.

The new Fire Control System is linked to a millimeter band radar next to the LRF and CWS. The FCS is capable of tracking targets while the tank and the target is in motion at a max range of 10,000 m with thermal optics. This new system allows the tank to effectively and accurately engage low flying targets. Connected to the gun stabilizer and trigger delay mechanism increases accuracy to hit targets on uneven terrain. Also in emergency situations the tank can be operated by a single crewman when the tank is given an override command from and of the three positions in the vehicle with the hope that the vehicle can be faster to man during an emergency, to allow recovery of the vehicle without a seat swap wasting precious time, and to better effectively put up a last stand attempt

Many kinds of munitions can be fired from the GRV which has led to the development of new munitions like the LAHAT-128 self contained missile, that was produced to be used by the newly developed modern tank gun and the autoloader system. The main reason behind it's development was due to GM-86 missiles in the M1VQ quiver jamming the autoloader, these issues are being solved with the advent of the M2MBTQV specially designed for the GM-6; the LAHAT-128 being a stop gap until a new quiver is developed and tested successfully. The LAHAT-128 round has an effective range of about 10,000 meters effective and a max range of 12,000 meters. The C-14A3 cannon can fire APFSDS, HEAT, HE, and CS shells in addition to the LAHAT-128 missile. On the side of the tank's turret is a missile pod which can be armed with a variety of missile loadouts, the most notable of loadouts being the dual 200mm Shadow-Strike Missile.

Variants

  • The primary variant of the GM-6 is the foreign-produced SEM-283[G], a Transoxthraxian version of the tank that has been produced within the country under license. The main difference between the GM-6 and the SEM-283[G] is the increased caliber of the main gun on the 283[G], increasing the armament from 128 mm to a native Transoxthraxian 155 mm AAVL/Rkz., 15.5 cm, Mk. VII, which can load HVAP, HEAT, HEP, and HESH shells. To compensate for the increased weight of this gun, and thus a slower cruising speed, a native TVS 8-8-Super No.512-293 "Twin-Eight" Multi-Fuel 1700 horse power engine replaced the stock Graditoran engine. As of the beginning of March 2016, 296 of the Varianta 2 type and 4 of the Varianta [P] have been produced and distributed to Transoxthraxian armed forces.
    • The Varianta [P] refers to the four prototypical models that were produced before the 15.5 cm gun was mounted on the tank, instead bearing the native Graditoran 12.8 cm gun. These four were produced to ensure that Transoxthraxian manufacturing capabilities were up to the task of producing a modern and complex main battle tank, and all four performed spectacularly. Due to a lack of ammunition for the 12.8 cm gun, the Varianta [P] tanks have been relegated to training exercises.
    • The Varianta 2 refers to the main production line of the SEM-283[G], armed with the 15.5 cm main gun and larger engine. Since the inception of the design in December, 296 have been produced. Along with the 4 prototypes constructed, a grand total of 300 SEM-283[G]s have been produced. In trials, the Varianta 2 exceeded Transoxthraxian expectations, and has since replaced the SEM-230 Atsh.2/A1 in the central group of the Transoxthraxian Expeditionary Force, and is expected to replace the rest of the outmoded Main Battle Tanks in the Transoxthraxian standing army by the end of June.
    • The Varianta 3[NKšS] was revealed to the Transoxthraxian Armed Forces and their allies on June 9th, 2016, after the majority of their armed forces had been equipped with the Varianta 2-pattern SEM-283[G]. The main difference between the Varianta 2 and the [NKšS] is the inclusion of the "GOLGOTHA 1" APFSDS 15.5 cm shell and the accompanying upgraded AAVL/Rkz. 15.5 cm Mk. VIII, which provides superior penetration values, normalization rates, and ballistic effectiveness of the armour piercing shell and the gun in general. This was implemented after tough lessons learned about the ineffectiveness of the HVAP shell against the more modern versions of Vioskan armour during the invasion of Vioska, and furthermore, the AAVL/Rkz. Mk. VIII is able to fire the 15.5cm HgKR.96 ATGM. The Varianta 2's armour piercing shell still remained purely HVAP; inferior, in the modern era, to most other armour piercing shells. The Mk. VIII gun and the "GOLGOTHA 1" have already begun to be distributed among the armed forces, and all production of the Varianta 2 has been ceased in favour of the [NKšS].
    • The Varianta KZHI refers to a theoretical armour upgrade package that may eventually be released for the SEM-283[G] Varianta 2. Despite the soft-kill systems and the advanced AMAP armour, certain Transoxthraxian officers worried that, with the appearance of the Transoxthraxian HgKR.96 Mk. IV ATGM triple-fuse HEAT missile designed specifically to penetrate spaced armour, ERA, and RH armour in a single missile, that other nations may soon have similar technology. So far, the KZHI has only appeared in blueprints, and has not advanced past the prototype stage.
SEM-283[G]
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The SEM-283[G]
Type Main battle tank
Place of origin  Graditora
 Transoxthraxia
Service history
In service 2015-present
Used by
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Transoxthraxia
Production history
Designed 2002-2015
Manufacturer Transoxthraxian Royal Arms
The Arsenal Manufacturing Corporation
Vounomethea Private Defense Network
Unit cost 13 million NSD$
Produced 2015-present
Number built 2,000+
Variants Varianta [P]
Varianta 2
Varianta 3[NKšS]
Varianta KZHI
Specifications
Weight 58 tons for Varianta [P]
59 tons for Varianta 2
60 tons for Varianta KZHI
Length Overall: 12.13yrds(11.10m) with gun forward
Chassis: 10.11yrds(9.25m)
Width 3.8yrds(3.5m)
Height Top of the Turret: 2.5yrds(2.35m)
Top of the RWS: 3.12yrds(2.86 m)
Crew 3 (commander, gunner, and driver)

Armor AMAP (ADS, Mine, MPS, B, P, R, SC, and L modules), MUSS, RH armor (for base chassis), and Adaptiv.
Main
armament
155 mm AAVL/Rkz., 15.5 cm, Mk. VII
30 rounds (14 rounds in the autoloader and an additional 1 in the chamber. 15 additionally stored in the hull.)
Secondary
armament
1 x Coaxial mounted 20mm autocannon
2 x Weapons mounted in RWS
1 x Missile Pod
Engine TVS 8-8-Super No.512-293 "Twin-Eight" Multi-Fuel
1,700 horse power
Power/weight 28.3
Transmission GM-TT550 Automatic Transmission
Suspension Hydropneumatic suspension
Ground clearance 0.45 m
Fuel capacity 530 gallons(2006.27L) + 35 gallons(132.48L) in external storage
Operational
range
350 miles(563.27km) + 100 miles(160.93km) with external storage
Speed On Road: 45 mph(72.4kmh)
On Road: 34 mph(54.7kmh)