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Description

A Self-Propelled Gun based upon the Champion Mk. II Chassis, as to fill the role of self-propelled artillery, previously fulfilled by the Champion Mk. I and Mk. II tanks to a degree, along with older models of 203 and 155mm artillery. Designed to keep up with the main battle tanks and mechanized infantry, it's massive gun is capable of bringing overwhelming firepower to the frontline and beyond, and if needed, act in a direct fire role for the demolition of particularly strengthened points of enemy lines.
Matching the Champion Mk. IIs autonomy and mobility, it integrates part of the newest generation of fighting vehicles.

Chassis: Double hull design, with a turtleback-pattern internal hull design, with cutouts made for hatches and turret, as well as other components, designed to act as one last countermeasure to combat and environmental threats.

Hull:

Internal hull.- 10mm of homogenous ESR AT-450 (Coltan-Titanium-Osmium Alloy), 10 mm of AT-500 (Layered Steel-Titanium plates, Graphene matrix reinforced.). The inner surface is lined with 5mm of AT-1500 (Osmium foam, with AT-FIE graphene fibre infused elastomer filling the voids) along with 5mm of AT-FIE to act as a spall liner. At last, 2.25mm woven kevlar and graphene panels complete the protection for the crew and components.

Much like with the Champion Mk. II, angles vary, with 15 to 30 degrees for the front uper glacis plates and 60 degrees from the X axis for the bottom glacis.
Sides are 45 degrees for upper and 60 degrees for lower plates from the X axis. Rear plates are 60 degrees for the upper plates, the lower plating being 45 degrees, both from the X axis.

The outer hull is separated from the inner hull by 'I' shape steel beam grids, keeping a 25mm distance between each hull.

Front.- 150mm total at 30 degrees slope upper glacis, 60 degree slope lower glacis. 75mm ESR AT-450, 25mm of AT-1500, 30mm of layered ESR AT-500 and AT-410 (Tungsten-5059 Aluminium-Chromium), each layer 5mm thick for 6 layers; 20mm of AT-1100 (Osmium-Chromium alloy, graphene matrix reinforced). Total equivalent to 960mm of RHA.

Sides.- 80mm total at 45 degrees slope upper plates, 60 degrees slope. 45mm ESR AT-450, 15mm layered ESR AT-500 and AT-410 with 5mm thick layers for three layers total, 20mm AT-1100. Equivalent to 451 mm RHA.

Rear.- 75mm total at 45 degrees upper and lower plates. 30mm ESR AT-450, 30mm layered ESR AT-500 and AT-410 with 5mm thick layers for a total of six layers, 10mm thick AT-1500, 5mm thick AT-1100. Equivalent to 448 mm RHA.

Top.- 50mm total at 5 degree angle, inverted 'V' shape. 20mm ESR AT-450, 20mm layered ESR AT-500 and AT-410 with 5mm thick layers for a total of 4 layers, 10mm thick AT-1100
Equivalent to 375mm RHA

Bottom.- 50mm total at 10 degree angle, 'V' shaped. 20mm AT-1500, 20mm ESR AT-450, 10mm AT-1100. Equivalent to 380mm RHA.

Turret:

Inner Structure.- 50mm thick all around, varying angles from 45 degrees for the front, to 10 degrees for the sides, 90 degrees for the rear, 5 degrees for the top (Inverted 'v' shape), with cutouts for hatches. Composition consisting of 10mm of AT-FIE backed by 2.5mm of Kevlar-Graphene fibre panels, 22.5mm of AT-1500 followed by 10mm of ESR AT-450 and 5mm of AT-1100. 250mm RHA Equivalent.

Outer Structure.- 30mm thick all around, varying angles from 45 degrees for the front, to 10 degrees for the sides, 90 degrees for the rear, 5 degrees for the top (Inverted 'v' shape). Composition consists of 10mm of ESR AT-450, 15mm of layered AT-410 and AT-500 with 5mm thick layers for three layers total, 5mm AT-1500.

Firepower:

-L61 10 inch 50 calibre Quick-Fire Rifled Railgun-Howitzer, with an elevation of -10 to +85 degrees, firing a variety of projectiles:

Universal Armour-Piercing, High-Explosive/Fragmentation, Semi-Guided.- a 550 pound projectile, very similar to the 8.5 inch Projectile used by the L48 Quick-Fire Railgun. It consists of a thick osmium casing, with a titanium ballistic cap, tantalum cap. The projectile houses 4200 ball bearings (Tungsten carbide core, copper plated, 10mm calibre), with 100 pounds of Octanitrocubane as filler. The projectile even though spin stabilised, can guide itself through the use of folding control surfaces to a decent degree. A smart fuse allows it to detonate at a certain distance from a target, upon impact or with a certain delay after impact, with a variable sensitivity to various armour thicknesses. The blast lethality is close to 180 yards radius, whilst the shrapnel remains lethal to a respectable 300 yards.

Universal Armour-Piercing, High-Explosive/Fragmentation-Incendiary, Semi-Guided.- A 530 pound projectile, consisting of a thick osmium casing with a titanium ballistic cap, tantalum cap. The projectile houses 2120 ball bearings (Tungsten Carbide Core, copper plated, WP-Thermite filler), along with 1080 magnesium pellets (Small thermite filler, 10mm calibre), the spaces between the projectiles within the shell is filled out with a thermite-white phosphorous powder mix, for a thermobaric effect. The projectile's folding control surfaces allow it respectable self-guidance. A smart fuse allows it to detonate at a certain distance from a target, upon impact or with a certain delay after impact, with a variable sensitivity to various armour thicknesses. The blast is lethal to a good 170 yards, while the shrapnel is lethal to 250 yards.

High-Explosive, Thermobaric, Semi-Guided.- 480 pound projectile, consisting of a thin Osmium casing, titanium ballistic cap. The projectile contains several layers of explosives, mainly Octanitrocubane (200 pounds), Octaazacubane (150 pounds) and an incendiary mix of thermite powder and white phosphorous powder (120 pounds). Folding control surfaces allow it a decent degree of self-guidance. The blast is lethal to 204 yards, due to overpressure, posing a risk to most unprotected targets and most structures.

Long-Range Supersonic Missile Mk. IV (A).- A 451 pound missile, gun-launched version of an air-dropped and tube-launched missile, consisting of a cluster munitions warhead, containing up to 30 self-guiding submunitions. The missile is designed to strike against groups of targets, gliding in from above or following the terrain before climbing to optimal height for release. The submunitions are of tandem type, with a self-forging projectile type warhead followed by a shaped charge type, warhead composition being tantalum with 10 pounds of explosives between the two warheads. The warheads also come fitted with fragmentation rings, and a thermobaric charge to aid against soft-skinned targets, with a self-guidance package designed to direct the warheads to strike at a ninety degree angle from the target’s surface. Alternatively, the submunitions can be programmed to act as Anti-Personnel/Anti-Tank mines. The missile is powered by a booster that helps it reach it’s cruise speed of mach 4, with a terminal sprint phase speed of mach 7, capable of performing a rapid pop-up manoeuver or continue with a low-flying approach in it’s last sprint.

Long-Range Supersonic Missile Mk. IV (B).- A 463 pound missile, gun-launched version of an air-dropped and tube-launched missile, fitted with an anti-fortification tandem warhead. The initial warhead consists of a self-forging projectile type of warhead, 15 pounds weight with tantalum composition, designed to damage the surface of the target, as to reduce the possibility of a ricochet by creating a crater to be struck by the second warhead. The second warhead consists of a 180 pound (ONC) primary charge and a 100 pound secondary charge (80 pounds ONC, 20 pounds thermobaric mix consisting of thermite along with magnesium and aluminium flakes) plus a thick osmium cap designed to pierce reinforced concrete (Steel, DU, Osmium reinforcements), with fuses set to detonate after penetrating enemy fortifications or structures, with the primary charge designed to push the secondary charge deeper in case of unsuccessful penetration at first, as to maximise damage. Other targets suitable consist of bridge abutments, dams, drydocks and a multitude of other structures, as fuse settings can be programmed to detonate all warheads in unison upon impact or after impact. Use against enemy naval assets is also viable. The guidance package is designed to give the missile a land and sea skimming behaviour during the terminal phase, able to discern target-from-target and decoy-from-target. The missile is powered by a booster that helps it reach it’s cruise speed of mach 4, with a terminal sprint phase speed of mach 7, capable of performing a rapid pop-up manoeuver or continue with a low-flying approach in it’s last sprint.

Long-Range Supersonic Missile Mk. IV (C).- A 416 Pound missile, gun-launched version of an air-dropped and tube-launched missile, fitted with a semi-armour piercing High-Explosive Thermobaric Incendiary Fragmentation warhead, designed specifically to strike at soft targets with high precision. The Warhead’s total weight amounts to 300 pounds, consisting of 200 pounds of Octanitrocubane, 30 pounds of thermobaric mix (Thermite, aluminium and magnesium flakes, zirconium powder), along with 50 pounds of hollowed out titanium pellets, filled with magnesium powder, 4mm in diameter. To this is added a titanium cap to aid in penetration, along with a titanium sleeve, grooves milled into the sleeve aiding in consistent and even fragmentation. Targets for such a missile consist of airfields, encampments and buildings, as well as enemy vessels and light skinned targets, along with some low-flying targets, as the fragmentation of the warhead poses a danger to most aircraft. The guidance package is designed to give the missile a land and sea skimming behaviour during the terminal phase, able to discern target-from-target and decoy-from-target. The missile is powered by a booster that helps it reach it’s cruise speed of mach 4, with a terminal sprint phase speed of mach 7, capable of performing a rapid pop-up manoeuver or continue with a low-flying approach in it’s last sprint.

Long-Range Hypersonic Surface-To-Air Canister.- A canister containing a single long range surface-to-air missile, designed to provide stopgap and emergency anti-aircraft capabilities up to 360 kilometers range, with a speed of mach 25 , designed to intercept modern Mach 22 capable craft, it uses the gun’s high elevation to assist it at reaching the required altitude, though also being capable of engaging low level targets. The warhead is a small 50 pounds, concentrated on a sleeve, as to provide a wide cone of fragmentation. The missile is also capable of intercepting low flying ballistic threats, though heavily limited by the vehicle’s integrated radar, though linking to a dedicated search and missile guidance radar complex will certainly improve the missile’s performance against faster, manoeuvering targets.

Thermonuclear: A 300 pound warhead, with a wide range of settings, from a tame 3 kilotons to a respectable 2.5 megatons

Illumination Canister Mk. II: A 350 pound canister containing 50 illumination flares, designed to spread them along a wide area, the flares burn for around 4 minutes, 60,000 lumen.

Smoke Canister Mk. I: A 400 pound canister containing 30 multi-spectrum white phosphorous submunitions of the bursting type and 25 solid-filler multi-spectrum submunitions, designed to obscure large volumes in a rapid and long-lasting fashion.

ChemoBiological Canister Mk IV: A variation of the Smoke Canister Mk. I, this 380-400 pound canister contains up to 45 variable-payload submunitions, able to deliver a variety of biological and chemical payloads.

UAV Canister Mk. VII: A variation of the Smoke Canister Mk. I, this 300 pound canister contains a single drone, designed to act as a spotting and targeting platform, AEW&C (Airborne Early Warning and Control), ECM (Electronic Countermeasure) and EW (Electronic Warfare) pod. The drone acts as a hybrid between a paramotor and an airship, deploying a flexible cantilever type wing and two self-sealing gas bags. The wing is mounted low, with the gas bags inflating at either side of the fuselage, the surfaces acting as solar panels to power two contra-rotating pusher type propellers in the tail. The drone comes equipped with two pods, one mounted on the top portion of the nose, and a second mounted in a ventral position towards the tail, the pods containing the AEW&C, ECM and EW equipment. A single Optoelectronic pod protruding from under the nose provides thermal and low light imaging, LiDAR and Laser designator within a compact package. A set of 16 dischargers along the ventral section between the tail and nose pod contain two-stage countermeasure cartridges, the first stage being graphene-aluminium flake chaff, with the second being an infrared decoy with a small parachute.
The drones are designed to act semi-independent of a controller, with pre-established flight paths, usable as a single unit or in groups to establish control over a battlefield. Whilst not the preferred use, these UAVs can act as decoys themselves, with small thermite charges to make sure nothing remains once one has been brought down, one per pod, plus one for the fuselage.

Propellant Charge: 55 MW, measuring 10 inches in diameter, 20 inches long. These canisters are flexible, allowing the gun to fire in a flat or high arc trajectory, giving it the flexibility of acting like a cannon or a howitzer. They contain indicator labels that change depending on the charge (Fluorescent White for 1/3, Fluorescent Green for 2/3 and Fluorescent Orange for 3/3), with 1/3 charge being used to provide indirect fire support for nearby units or launch missiles/UAV canisters.

Magazine system: A combination of cassette and carousel, a pair of cassette magazines store the shells vertically on each side of the turret’s rear, with a passage in the middle for the autoloader and a feed system (A rear gate allows for a reload system to be connected from an ammunition carrier, the rounds fed in horizontally to directly be picked up by the autoloader or to be rotated to a vertical position for storage), above this gate is an escape passage that would allow the crew to escape in an emergency, the space can also be used to store additional equipment.). Within the hull, a two-row carousel stores the propellant charges. First, the cassette feeds a shell into position, the tray swinging up to cradle the shell while the rammer aids in tilting the shell to a horizontal position from under the shell, before ramming it forward until it clears the propellant hoist, then pulling back. The hoist presents a single power cell afterwards, which is then rammed fully into the breech with the shell before it.

Loading a missile lengthens loading time, due to the jointed, two-section structure, with the first section housing the booster and the sustainer motors along with flight controls. The second section houses the terminal sprint motor, warhead, targeting and guidance systems. To load a missile, the procedure is similar, with both sections tilted to a horizontal position, before a set of tracks guides the rammer to a higher position, moving forth to grip the rear of the second section with a set of extractor-like claws (The back of the rear section of the missile is similar to a rebated rim bullet casing). The rammer pulls back, the rear section sliding back on a pair of small guide rails on the front section, up until the rear section’s front is aligned with the front section’s rear, the joint and the guide tracks on the rammer system help swing the rear section into position and mating it against the front section. The rammer gives one stroke forth until the now assembled missile clears the hoist, before a propellant charge is presented, the rammer then gives one last stroke forth to ram the charge and missile into the breech (The front section of the missile is at this point within the barrel section of the gun however).

Rate of Fire: 4 round burst in 14 seconds (Shell, Rounds pre-selected, propellant charge pre-selected). 8 Rounds per minute in 6 minutes (intense), 2 rounds per minute for 60 minutes (sustained), 4 rounds per minute for 60 minutes (sustained+loader vehicle)

Total ammunition: 48 shells (Each missile is jointed, takes up the space of two shells)

Penetration/Range, Muzzle Velocity and maximum effective range
-UAPHEF: 1150mm RHA @ 45 Deg @ 3km, 1372m/s (4501.31 ft/s, Mach 4), MER 28 km
-UAPHEF-I: 1005mm RHA @ 45 Deg @ 3km, 1406.3m/s (4613.85 ft/s, Mach 4.1), MER 28 km
-HETh: 550mm RHA @ Any Angle-Any Distance, 1286.25m/s (4219.98 ft/s, Mach 3.75), MER 28 km
-LRSM Mk. IV (A) Submunition: 750mm RHA @ 90 Deg @ Any distance, 686 m/s (2250.66, Mach 2), MER 71 KM
-LRSM Mk. IV (B): 1951mm RHA @ 90 Deg @ Any distance, 686 m/s (2250.66, Mach 2), MER 65 KM
-LRSM Mk. IV (C): 850mm RHA @ 90 Deg @ Any distance, 686 m/s (2250.66, Mach 2), MER 68 KM
-LRHSAC: 50mm RHA @ Any Angle @ Any Distance, 686 m/s (2250.66, Mach 2), MER 280 KM
-Thermonuclear: A lot, Any angle, Any Distance, 1372m/s (4501.31 ft/s, Mach 4), MER 28 km

Passive Systems:
-Universal Gunnery Fire Control Director: A high performance gunnery computer, able to direct the fire of a single vehicle or link with other units, forming batteries of four to twelve vehicles, moving up to battalion level if need be. The computer system is adapted from naval ones, allowing for indirect fire while on the move, designed to direct the stabilisation system to keep the gun trained on a bearing and elevation regardless of the platform’s movement. Fed by a multitude of sensors and subsystems, the computer takes into account information on the target, environmental conditions along with information received from other vehicles, ensuring a high rate of accuracy and coordination.
-Universal Gunnery Sight: 1x-25x sight for the gunner and remote controlled weaponry, fitted with image intensification, active illumination, and thermal imaging capabilities. Designed for use in main battle tanks, the sight however allows for direct fire with the vehicle’s gun.

-LaSiRaS Mk. IV: Laser Sighting & Rangefindinding System, mounted in two modules at the top of the turret’s front, this high powered LIDAR is designed to act as a sight and rangefinder for direct fire missions, limited to the terrain and the curvature of the earth.

-RaSoS Mk. II: RADAR and SONAR suite, designed to help with counter battery fire and locating targets behind concealment, as well as defending against air threats in emergency cases. 75km Range for Radar, 600 yards for Sonar.

-Optic countermeasures suite: This module allows the vehicle to defend itself from certain threats, by feeding the targeting systems of the remote 20mm weapon or the tesla hard-kill system, along with being able to dazzle incoming missiles and enemy drones. The module consists of a small LIDAR unit, along with a dazzler mounted coaxially to it, with other sensors spread throughout the vehicle’s chassis and turret.

-3 Axes Stabilisation: This system passively stabilises the gun when it’s on the move or static, aiding in helping compensate for recoil and soft ground conditions, using the magnetohydropneumatic suspension and a set of four deployable hydraulic jacks on the sides of the vehicle, coupled to the UGFCD and a series of sensors, the Stabiliser is designed to mitigate the recoil of the powerful 10 inch rifle, while also making sure the vehicle and the gun return to their original position before each shot.

Propulsion:
    HFV-S Propulsion pack, consisting of:
-H20/40: 20 Cylinder, 40 litre engine with an ‘H’ cylinder configuration, 4750 Horsepower, 8562 NM Torque @ 2100 RPM. Multi Fuel capability, no adjustments required.
-T120 APU: APU turbine, 150 horsepower, 1216 NM torque @ 50,000 rpm
-9 speed, heavy duty, robotic assisted transmission with preselector, 2 backwards, neutral/steer, 6 forwards.

The HFV-S Pack is considered a single unit, and thus can be removed directly without the need to separating each component

-AEPT: Auxiliary Electric Powertrain, 16 electric motors powering the roadwheels as well as the drive sprocket, providing 500 HP and 3500 NM Torque, connected to a battery pack. Tank hull can act as a massive solar panel, as well as taking ambient and engine heat to produce further energy.

-Magnetohydropneumatic suspension: Much like a regular hydropneumatic suspension, it keeps the vehicle's hull level, absorbing the impacts of rough terrain. It is aided however by electromagnetic means, allowing for a much smoother, silkier ride, permitting the suspension to react quicker to changes in terrain, not to mention the adjustment of height with a full metre of difference between lowest and highest setting. 150 tonne weight limit.

-510 mm wide tracks (ESR AT-450), all-weather, can be fitted with AT-FIE pads for use on highways as to prevent damage to roads.

-Milled ESR AT-450 roadwheels, drive sprocket and front idler wheel, ESR AT-410 return rollers.

Performance:
    Maximum Speed On Road: 58 km/h (36 mph), 28 km/h (17.39 mph) reverse.
    Maximum Speed Off Road: 48km/h (29.8 mph), 16 km/h (9.9 mph) reverse.
    Maximum Speed fully submerged: 14km/h (8.6 mph)
    Maximum Speed AEPT Only: 16 km/h (16 mph)
    Maximum Speed APU Only: 8km/h (4.9 mph)
    Operational range: 850km +215 km if external tanks are used.

Communication Systems
-Low/High Frequency Radio: 50km range, 128 bit encryption on the move.
-Satellite Communications Suite (SatCommS): high speed data transfer (Video/Audio capable, Command Vehicles get two)
-Low Frequency High-Security: 10 km range, 256 bit encryption on the move.
-UHF Short-Range: 5km range, 128 bit encryption on the move, designed to communicate with infantry in specific.
-ChessMaster Mk. IV Command System (Command Vehicles only): Permits access to information taken in by the optics and sensors of other vehicles, allowing a platoon commander to better direct his men. 256 bit encryption on the move.
-Morse code with the use of other systems (Position lights, lights, rangefinder)

Crew:     4
    -Commander
    -Loader/Operator
    -Driver
    -Gunner

-2 AI, one for navigation, one for gunnery. Command vehicles get an additional Operations AI to aid in logistics and coordination with other vehicles/infantry.

Other Features:
-2 and 4 litre volume microwave ovens/boiling vessels, to aid in preparing food and beverages.
-Heating and cooling, capable of keeping the crew alive in temperatures ranging from minus 120 to 460 degrees celcius (-184 to 860 Fahrenheit) in sustained conditions (The vehicle however is capable of operating in minus 220 to 550 (-364 to 1022) degrees celcius for up to 72 hours while keeping the crew alive, at the expense of risking damage to certain components)
-Storage for rations, up to two weeks worth for the 4 man crew plus emergency rations (1 week worth of food at reduced caloric intake)
-90 gallons of water in separate compartments (Three 20 gallon reservoirs, 30 gallon emergency reservoir.) Linked to a water filtration system to allow replenishment on field.
-Each crew position is designed to be as ergonomic as possible, allowing to sleep inside the tank without much issue.
-Battering Ram allows to break through walls and other obstacles without risking damage to the gun, also allows for mounting a plough, mine rollers or to act as a towing hook for other vehicles.
-Hydraulic Jacks: These four extendable hydraulic jacks help stabilise the vehicle in bad terrain, helping mitigate recoil along with the suspension.

Dimensions and weight:
-7.8 to 9.8 metres height (Depending on suspension settings) without Remote Controlled Weapon (that adds .8 metres to height)
-6.8 metre width
-16.4 metre length, 22.75 with Gun included (Battering Ram can extend another metre for a total of 23.4m)
-89.4 tonnes combat ready (96 with extra equipment such as additional armour, accessories and fuel tanks)

Vehicle pictured next to Heavy Infantry Armour suit at 2.43m (8 feet) height, suspension set to standard setting giving the vehicle a height of 8.8 metre (22.3 feet).

Description

A Self-Propelled Gun based upon the Champion Mk. II Chassis, as to fill the role of self-propelled artillery, previously fulfilled by the Champion Mk. I and Mk. II tanks to a degree, along with older models of 203 and 155mm artillery. Designed to keep up with the main battle tanks and mechanized infantry, it's massive gun is capable of bringing overwhelming firepower to the frontline and beyond, and if needed, act in a direct fire role for the demolition of particularly strengthened points of enemy lines.
Matching the Champion Mk. IIs autonomy and mobility, it integrates part of the newest generation of fighting vehicles.

Chassis: Double hull design, with a turtleback-pattern internal hull design, with cutouts made for hatches and turret, as well as other components, designed to act as one last countermeasure to combat and environmental threats.

Hull:

Internal hull.- 10mm of homogenous ESR AT-450 (Coltan-Titanium-Osmium Alloy), 10 mm of AT-500 (Layered Steel-Titanium plates, Graphene matrix reinforced.). The inner surface is lined with 5mm of AT-1500 (Osmium foam, with AT-FIE graphene fibre infused elastomer filling the voids) along with 5mm of AT-FIE to act as a spall liner. At last, 2.25mm woven kevlar and graphene panels complete the protection for the crew and components.

Much like with the Champion Mk. II, angles vary, with 15 to 30 degrees for the front uper glacis plates and 60 degrees from the X axis for the bottom glacis.
Sides are 45 degrees for upper and 60 degrees for lower plates from the X axis. Rear plates are 60 degrees for the upper plates, the lower plating being 45 degrees, both from the X axis.

The outer hull is separated from the inner hull by 'I' shape steel beam grids, keeping a 25mm distance between each hull.

Front.- 150mm total at 30 degrees slope upper glacis, 60 degree slope lower glacis. 75mm ESR AT-450, 25mm of AT-1500, 30mm of layered ESR AT-500 and AT-410 (Tungsten-5059 Aluminium-Chromium), each layer 5mm thick for 6 layers; 20mm of AT-1100 (Osmium-Chromium alloy, graphene matrix reinforced). Total equivalent to 960mm of RHA.

Sides.- 80mm total at 45 degrees slope upper plates, 60 degrees slope. 45mm ESR AT-450, 15mm layered ESR AT-500 and AT-410 with 5mm thick layers for three layers total, 20mm AT-1100. Equivalent to 451 mm RHA.

Rear.- 75mm total at 45 degrees upper and lower plates. 30mm ESR AT-450, 30mm layered ESR AT-500 and AT-410 with 5mm thick layers for a total of six layers, 10mm thick AT-1500, 5mm thick AT-1100. Equivalent to 448 mm RHA.

Top.- 50mm total at 5 degree angle, inverted 'V' shape. 20mm ESR AT-450, 20mm layered ESR AT-500 and AT-410 with 5mm thick layers for a total of 4 layers, 10mm thick AT-1100
Equivalent to 375mm RHA

Bottom.- 50mm total at 10 degree angle, 'V' shaped. 20mm AT-1500, 20mm ESR AT-450, 10mm AT-1100. Equivalent to 380mm RHA.

Turret:

Inner Structure.- 50mm thick all around, varying angles from 45 degrees for the front, to 10 degrees for the sides, 90 degrees for the rear, 5 degrees for the top (Inverted 'v' shape), with cutouts for hatches. Composition consisting of 10mm of AT-FIE backed by 2.5mm of Kevlar-Graphene fibre panels, 22.5mm of AT-1500 followed by 10mm of ESR AT-450 and 5mm of AT-1100. 250mm RHA Equivalent.

Outer Structure.- 30mm thick all around, varying angles from 45 degrees for the front, to 10 degrees for the sides, 90 degrees for the rear, 5 degrees for the top (Inverted 'v' shape). Composition consists of 10mm of ESR AT-450, 15mm of layered AT-410 and AT-500 with 5mm thick layers for three layers total, 5mm AT-1500.

Firepower:

-L61 10 inch 50 calibre Quick-Fire Rifled Railgun-Howitzer, with an elevation of -10 to +85 degrees, firing a variety of projectiles:

Universal Armour-Piercing, High-Explosive/Fragmentation, Semi-Guided.- a 550 pound projectile, very similar to the 8.5 inch Projectile used by the L48 Quick-Fire Railgun. It consists of a thick osmium casing, with a titanium ballistic cap, tantalum cap. The projectile houses 4200 ball bearings (Tungsten carbide core, copper plated, 10mm calibre), with 100 pounds of Octanitrocubane as filler. The projectile even though spin stabilised, can guide itself through the use of folding control surfaces to a decent degree. A smart fuse allows it to detonate at a certain distance from a target, upon impact or with a certain delay after impact, with a variable sensitivity to various armour thicknesses. The blast lethality is close to 180 yards radius, whilst the shrapnel remains lethal to a respectable 300 yards.

Universal Armour-Piercing, High-Explosive/Fragmentation-Incendiary, Semi-Guided.- A 530 pound projectile, consisting of a thick osmium casing with a titanium ballistic cap, tantalum cap. The projectile houses 2120 ball bearings (Tungsten Carbide Core, copper plated, WP-Thermite filler), along with 1080 magnesium pellets (Small thermite filler, 10mm calibre), the spaces between the projectiles within the shell is filled out with a thermite-white phosphorous powder mix, for a thermobaric effect. The projectile's folding control surfaces allow it respectable self-guidance. A smart fuse allows it to detonate at a certain distance from a target, upon impact or with a certain delay after impact, with a variable sensitivity to various armour thicknesses. The blast is lethal to a good 170 yards, while the shrapnel is lethal to 250 yards.

High-Explosive, Thermobaric, Semi-Guided.- 480 pound projectile, consisting of a thin Osmium casing, titanium ballistic cap. The projectile contains several layers of explosives, mainly Octanitrocubane (200 pounds), Octaazacubane (150 pounds) and an incendiary mix of thermite powder and white phosphorous powder (120 pounds). Folding control surfaces allow it a decent degree of self-guidance. The blast is lethal to 204 yards, due to overpressure, posing a risk to most unprotected targets and most structures.

Long-Range Supersonic Missile Mk. IV (A).- A 451 pound missile, gun-launched version of an air-dropped and tube-launched missile, consisting of a cluster munitions warhead, containing up to 30 self-guiding submunitions. The missile is designed to strike against groups of targets, gliding in from above or following the terrain before climbing to optimal height for release. The submunitions are of tandem type, with a self-forging projectile type warhead followed by a shaped charge type, warhead composition being tantalum with 10 pounds of explosives between the two warheads. The warheads also come fitted with fragmentation rings, and a thermobaric charge to aid against soft-skinned targets, with a self-guidance package designed to direct the warheads to strike at a ninety degree angle from the target’s surface. Alternatively, the submunitions can be programmed to act as Anti-Personnel/Anti-Tank mines. The missile is powered by a booster that helps it reach it’s cruise speed of mach 4, with a terminal sprint phase speed of mach 7, capable of performing a rapid pop-up manoeuver or continue with a low-flying approach in it’s last sprint.

Long-Range Supersonic Missile Mk. IV (B).- A 463 pound missile, gun-launched version of an air-dropped and tube-launched missile, fitted with an anti-fortification tandem warhead. The initial warhead consists of a self-forging projectile type of warhead, 15 pounds weight with tantalum composition, designed to damage the surface of the target, as to reduce the possibility of a ricochet by creating a crater to be struck by the second warhead. The second warhead consists of a 180 pound (ONC) primary charge and a 100 pound secondary charge (80 pounds ONC, 20 pounds thermobaric mix consisting of thermite along with magnesium and aluminium flakes) plus a thick osmium cap designed to pierce reinforced concrete (Steel, DU, Osmium reinforcements), with fuses set to detonate after penetrating enemy fortifications or structures, with the primary charge designed to push the secondary charge deeper in case of unsuccessful penetration at first, as to maximise damage. Other targets suitable consist of bridge abutments, dams, drydocks and a multitude of other structures, as fuse settings can be programmed to detonate all warheads in unison upon impact or after impact. Use against enemy naval assets is also viable. The guidance package is designed to give the missile a land and sea skimming behaviour during the terminal phase, able to discern target-from-target and decoy-from-target. The missile is powered by a booster that helps it reach it’s cruise speed of mach 4, with a terminal sprint phase speed of mach 7, capable of performing a rapid pop-up manoeuver or continue with a low-flying approach in it’s last sprint.

Long-Range Supersonic Missile Mk. IV (C).- A 416 Pound missile, gun-launched version of an air-dropped and tube-launched missile, fitted with a semi-armour piercing High-Explosive Thermobaric Incendiary Fragmentation warhead, designed specifically to strike at soft targets with high precision. The Warhead’s total weight amounts to 300 pounds, consisting of 200 pounds of Octanitrocubane, 30 pounds of thermobaric mix (Thermite, aluminium and magnesium flakes, zirconium powder), along with 50 pounds of hollowed out titanium pellets, filled with magnesium powder, 4mm in diameter. To this is added a titanium cap to aid in penetration, along with a titanium sleeve, grooves milled into the sleeve aiding in consistent and even fragmentation. Targets for such a missile consist of airfields, encampments and buildings, as well as enemy vessels and light skinned targets, along with some low-flying targets, as the fragmentation of the warhead poses a danger to most aircraft. The guidance package is designed to give the missile a land and sea skimming behaviour during the terminal phase, able to discern target-from-target and decoy-from-target. The missile is powered by a booster that helps it reach it’s cruise speed of mach 4, with a terminal sprint phase speed of mach 7, capable of performing a rapid pop-up manoeuver or continue with a low-flying approach in it’s last sprint.

Long-Range Hypersonic Surface-To-Air Canister.- A canister containing a single long range surface-to-air missile, designed to provide stopgap and emergency anti-aircraft capabilities up to 360 kilometers range, with a speed of mach 25 , designed to intercept modern Mach 22 capable craft, it uses the gun’s high elevation to assist it at reaching the required altitude, though also being capable of engaging low level targets. The warhead is a small 50 pounds, concentrated on a sleeve, as to provide a wide cone of fragmentation. The missile is also capable of intercepting low flying ballistic threats, though heavily limited by the vehicle’s integrated radar, though linking to a dedicated search and missile guidance radar complex will certainly improve the missile’s performance against faster, manoeuvering targets.

Thermonuclear: A 300 pound warhead, with a wide range of settings, from a tame 3 kilotons to a respectable 2.5 megatons

Illumination Canister Mk. II: A 350 pound canister containing 50 illumination flares, designed to spread them along a wide area, the flares burn for around 4 minutes, 60,000 lumen.

Smoke Canister Mk. I: A 400 pound canister containing 30 multi-spectrum white phosphorous submunitions of the bursting type and 25 solid-filler multi-spectrum submunitions, designed to obscure large volumes in a rapid and long-lasting fashion.

ChemoBiological Canister Mk IV: A variation of the Smoke Canister Mk. I, this 380-400 pound canister contains up to 45 variable-payload submunitions, able to deliver a variety of biological and chemical payloads.

UAV Canister Mk. VII: A variation of the Smoke Canister Mk. I, this 300 pound canister contains a single drone, designed to act as a spotting and targeting platform, AEW&C (Airborne Early Warning and Control), ECM (Electronic Countermeasure) and EW (Electronic Warfare) pod. The drone acts as a hybrid between a paramotor and an airship, deploying a flexible cantilever type wing and two self-sealing gas bags. The wing is mounted low, with the gas bags inflating at either side of the fuselage, the surfaces acting as solar panels to power two contra-rotating pusher type propellers in the tail. The drone comes equipped with two pods, one mounted on the top portion of the nose, and a second mounted in a ventral position towards the tail, the pods containing the AEW&C, ECM and EW equipment. A single Optoelectronic pod protruding from under the nose provides thermal and low light imaging, LiDAR and Laser designator within a compact package. A set of 16 dischargers along the ventral section between the tail and nose pod contain two-stage countermeasure cartridges, the first stage being graphene-aluminium flake chaff, with the second being an infrared decoy with a small parachute.
The drones are designed to act semi-independent of a controller, with pre-established flight paths, usable as a single unit or in groups to establish control over a battlefield. Whilst not the preferred use, these UAVs can act as decoys themselves, with small thermite charges to make sure nothing remains once one has been brought down, one per pod, plus one for the fuselage.

Propellant Charge: 55 MW, measuring 10 inches in diameter, 20 inches long. These canisters are flexible, allowing the gun to fire in a flat or high arc trajectory, giving it the flexibility of acting like a cannon or a howitzer. They contain indicator labels that change depending on the charge (Fluorescent White for 1/3, Fluorescent Green for 2/3 and Fluorescent Orange for 3/3), with 1/3 charge being used to provide indirect fire support for nearby units or launch missiles/UAV canisters.

Magazine system: A combination of cassette and carousel, a pair of cassette magazines store the shells vertically on each side of the turret’s rear, with a passage in the middle for the autoloader and a feed system (A rear gate allows for a reload system to be connected from an ammunition carrier, the rounds fed in horizontally to directly be picked up by the autoloader or to be rotated to a vertical position for storage), above this gate is an escape passage that would allow the crew to escape in an emergency, the space can also be used to store additional equipment.). Within the hull, a two-row carousel stores the propellant charges. First, the cassette feeds a shell into position, the tray swinging up to cradle the shell while the rammer aids in tilting the shell to a horizontal position from under the shell, before ramming it forward until it clears the propellant hoist, then pulling back. The hoist presents a single power cell afterwards, which is then rammed fully into the breech with the shell before it.

Loading a missile lengthens loading time, due to the jointed, two-section structure, with the first section housing the booster and the sustainer motors along with flight controls. The second section houses the terminal sprint motor, warhead, targeting and guidance systems. To load a missile, the procedure is similar, with both sections tilted to a horizontal position, before a set of tracks guides the rammer to a higher position, moving forth to grip the rear of the second section with a set of extractor-like claws (The back of the rear section of the missile is similar to a rebated rim bullet casing). The rammer pulls back, the rear section sliding back on a pair of small guide rails on the front section, up until the rear section’s front is aligned with the front section’s rear, the joint and the guide tracks on the rammer system help swing the rear section into position and mating it against the front section. The rammer gives one stroke forth until the now assembled missile clears the hoist, before a propellant charge is presented, the rammer then gives one last stroke forth to ram the charge and missile into the breech (The front section of the missile is at this point within the barrel section of the gun however).

Rate of Fire: 4 round burst in 14 seconds (Shell, Rounds pre-selected, propellant charge pre-selected). 8 Rounds per minute in 6 minutes (intense), 2 rounds per minute for 60 minutes (sustained), 4 rounds per minute for 60 minutes (sustained+loader vehicle)

Total ammunition: 48 shells (Each missile is jointed, takes up the space of two shells)

Penetration/Range, Muzzle Velocity and maximum effective range
-UAPHEF: 1150mm RHA @ 45 Deg @ 3km, 1372m/s (4501.31 ft/s, Mach 4), MER 28 km
-UAPHEF-I: 1005mm RHA @ 45 Deg @ 3km, 1406.3m/s (4613.85 ft/s, Mach 4.1), MER 28 km
-HETh: 550mm RHA @ Any Angle-Any Distance, 1286.25m/s (4219.98 ft/s, Mach 3.75), MER 28 km
-LRSM Mk. IV (A) Submunition: 750mm RHA @ 90 Deg @ Any distance, 686 m/s (2250.66, Mach 2), MER 71 KM
-LRSM Mk. IV (B): 1951mm RHA @ 90 Deg @ Any distance, 686 m/s (2250.66, Mach 2), MER 65 KM
-LRSM Mk. IV (C): 850mm RHA @ 90 Deg @ Any distance, 686 m/s (2250.66, Mach 2), MER 68 KM
-LRHSAC: 50mm RHA @ Any Angle @ Any Distance, 686 m/s (2250.66, Mach 2), MER 280 KM
-Thermonuclear: A lot, Any angle, Any Distance, 1372m/s (4501.31 ft/s, Mach 4), MER 28 km

Passive Systems:
-Universal Gunnery Fire Control Director: A high performance gunnery computer, able to direct the fire of a single vehicle or link with other units, forming batteries of four to twelve vehicles, moving up to battalion level if need be. The computer system is adapted from naval ones, allowing for indirect fire while on the move, designed to direct the stabilisation system to keep the gun trained on a bearing and elevation regardless of the platform’s movement. Fed by a multitude of sensors and subsystems, the computer takes into account information on the target, environmental conditions along with information received from other vehicles, ensuring a high rate of accuracy and coordination.
-Universal Gunnery Sight: 1x-25x sight for the gunner and remote controlled weaponry, fitted with image intensification, active illumination, and thermal imaging capabilities. Designed for use in main battle tanks, the sight however allows for direct fire with the vehicle’s gun.

-LaSiRaS Mk. IV: Laser Sighting & Rangefindinding System, mounted in two modules at the top of the turret’s front, this high powered LIDAR is designed to act as a sight and rangefinder for direct fire missions, limited to the terrain and the curvature of the earth.

-RaSoS Mk. II: RADAR and SONAR suite, designed to help with counter battery fire and locating targets behind concealment, as well as defending against air threats in emergency cases. 75km Range for Radar, 600 yards for Sonar.

-Optic countermeasures suite: This module allows the vehicle to defend itself from certain threats, by feeding the targeting systems of the remote 20mm weapon or the tesla hard-kill system, along with being able to dazzle incoming missiles and enemy drones. The module consists of a small LIDAR unit, along with a dazzler mounted coaxially to it, with other sensors spread throughout the vehicle’s chassis and turret.

-3 Axes Stabilisation: This system passively stabilises the gun when it’s on the move or static, aiding in helping compensate for recoil and soft ground conditions, using the magnetohydropneumatic suspension and a set of four deployable hydraulic jacks on the sides of the vehicle, coupled to the UGFCD and a series of sensors, the Stabiliser is designed to mitigate the recoil of the powerful 10 inch rifle, while also making sure the vehicle and the gun return to their original position before each shot.

Propulsion:
    HFV-S Propulsion pack, consisting of:
-H20/40: 20 Cylinder, 40 litre engine with an ‘H’ cylinder configuration, 4750 Horsepower, 8562 NM Torque @ 2100 RPM. Multi Fuel capability, no adjustments required.
-T120 APU: APU turbine, 150 horsepower, 1216 NM torque @ 50,000 rpm
-9 speed, heavy duty, robotic assisted transmission with preselector, 2 backwards, neutral/steer, 6 forwards.

The HFV-S Pack is considered a single unit, and thus can be removed directly without the need to separating each component

-AEPT: Auxiliary Electric Powertrain, 16 electric motors powering the roadwheels as well as the drive sprocket, providing 500 HP and 3500 NM Torque, connected to a battery pack. Tank hull can act as a massive solar panel, as well as taking ambient and engine heat to produce further energy.

-Magnetohydropneumatic suspension: Much like a regular hydropneumatic suspension, it keeps the vehicle's hull level, absorbing the impacts of rough terrain. It is aided however by electromagnetic means, allowing for a much smoother, silkier ride, permitting the suspension to react quicker to changes in terrain, not to mention the adjustment of height with a full metre of difference between lowest and highest setting. 150 tonne weight limit.

-510 mm wide tracks (ESR AT-450), all-weather, can be fitted with AT-FIE pads for use on highways as to prevent damage to roads.

-Milled ESR AT-450 roadwheels, drive sprocket and front idler wheel, ESR AT-410 return rollers.

Performance:
    Maximum Speed On Road: 58 km/h (36 mph), 28 km/h (17.39 mph) reverse.
    Maximum Speed Off Road: 48km/h (29.8 mph), 16 km/h (9.9 mph) reverse.
    Maximum Speed fully submerged: 14km/h (8.6 mph)
    Maximum Speed AEPT Only: 16 km/h (16 mph)
    Maximum Speed APU Only: 8km/h (4.9 mph)
    Operational range: 850km +215 km if external tanks are used.

Communication Systems
-Low/High Frequency Radio: 50km range, 128 bit encryption on the move.
-Satellite Communications Suite (SatCommS): high speed data transfer (Video/Audio capable, Command Vehicles get two)
-Low Frequency High-Security: 10 km range, 256 bit encryption on the move.
-UHF Short-Range: 5km range, 128 bit encryption on the move, designed to communicate with infantry in specific.
-ChessMaster Mk. IV Command System (Command Vehicles only): Permits access to information taken in by the optics and sensors of other vehicles, allowing a platoon commander to better direct his men. 256 bit encryption on the move.
-Morse code with the use of other systems (Position lights, lights, rangefinder)

Crew:     4
    -Commander
    -Loader/Operator
    -Driver
    -Gunner

-2 AI, one for navigation, one for gunnery. Command vehicles get an additional Operations AI to aid in logistics and coordination with other vehicles/infantry.

Other Features:
-2 and 4 litre volume microwave ovens/boiling vessels, to aid in preparing food and beverages.
-Heating and cooling, capable of keeping the crew alive in temperatures ranging from minus 120 to 460 degrees celcius (-184 to 860 Fahrenheit) in sustained conditions (The vehicle however is capable of operating in minus 220 to 550 (-364 to 1022) degrees celcius for up to 72 hours while keeping the crew alive, at the expense of risking damage to certain components)
-Storage for rations, up to two weeks worth for the 4 man crew plus emergency rations (1 week worth of food at reduced caloric intake)
-90 gallons of water in separate compartments (Three 20 gallon reservoirs, 30 gallon emergency reservoir.) Linked to a water filtration system to allow replenishment on field.
-Each crew position is designed to be as ergonomic as possible, allowing to sleep inside the tank without much issue.
-Battering Ram allows to break through walls and other obstacles without risking damage to the gun, also allows for mounting a plough, mine rollers or to act as a towing hook for other vehicles.
-Hydraulic Jacks: These four extendable hydraulic jacks help stabilise the vehicle in bad terrain, helping mitigate recoil along with the suspension.

Dimensions and weight:
-7.8 to 9.8 metres height (Depending on suspension settings) without Remote Controlled Weapon (that adds .8 metres to height)
-6.8 metre width
-16.4 metre length, 22.75 with Gun included (Battering Ram can extend another metre for a total of 23.4m)
-89.4 tonnes combat ready (96 with extra equipment such as additional armour, accessories and fuel tanks)

Vehicle pictured next to Heavy Infantry Armour suit at 2.43m (8 feet) height, suspension set to standard setting giving the vehicle a height of 8.8 metre (22.3 feet).