Welcome to Gaia! ::

The Armory

Back to Guilds

 

Tags: Armory, Weapons, Vehicles, Armor, Army 

Reply Hangar 2: Ground Based Vechiles
Mech M126

Quick Reply

Enter both words below, separated by a space:

Can't read the text? Click here

Submit

Suicidesoldier#1
Captain

Fanatical Zealot

PostPosted: Fri Jul 18, 2014 8:52 am


User Image


Weight 32.5 tonnes
Length Hull length: 26.02 ft (7.93 m)
Height 11 ft (3.35 m)
Width 12 ft (3.66 m)
Crew 2
Armor Plating 125mm of Chobham, RH armor, steel encased depleted uranium mesh
Primary Armament : 120mm Rheimnetall
Secondary armament : 2 x 40mm bofors, .50 Caliber Machine gun, 40mm Automatic Grenade Luancher, M240 7.62mm, 8 AGM-114 Missiles, RIM-7 Sea Sparrow

Power/weight 24.5 hp/metric ton
Ground clearance- 6 feet (1.829 meters)
Energy Capacity- 4 gigawatts; 1.2% U-235 CANDU Fuel Bundle
Range- 250,000 miles
Maximum Speed- 35 mph
Cruise Speed: 25 mph
PostPosted: Fri Jul 18, 2014 9:00 am


General Mechanics



The vehicle possess a much smaller profile than standard tanks; the soldiers are placed within the middle, with no turret ports or viewing areas. The drivers are guided using entirely digital cameras, of which several dozen give a panoramic, 360 degree view within the vehicle. Both seats are placed closely together, one for the gunner and the other for the navigator and driver. Without a loading bay, turret gunner, or area for a driver outside the primary compartment, the tank itself is considerably smaller; in addition, it only seats a crew of 2. These individuals are largely expected to remain seated during the operation, although the seats are designed with comfort and the potential for bed sores or other problems with prolonged sitting in mind. In addition, the primary compartment is gyrostopically stabilized and possess a number of shock absorbers and stabilizers, to keep the crew largely in place and account for the awkward gait and quick acceleration of the vehicle. While useful at preventing sea sickness or exhausting bumps, it also helps when applying evasive maneuvers, to reduce G-forces on the users. Since agility is a large factor in the defense of the vehicle, a large amount of importance is placed on keeping the crew largely in a stationary position despite the movement of the vehicle. This largely prevents the need for a G-suit and increases comfort, although G-suits are available if particularly quick movements are expected.

The vehicle operates largely by utilizing super cooled electromagnets and super conductors to produce floating joints via electromagnetic levitation, which takes the stress of the awkward movement off of the structural integrity and on to the magnetic field, which can increase proportionally to the electricity utilized to absorb or apply the energy. These magnets are free floating, but the joints themselves are connected by wires for electricity and surrounded in an incredibly thermally insulated aerogel to increase the efficiency of the cooling; it is thus not capable of 360 degree movement, although it operates similarly to a ball and socket joint, on an organic creature. The super cooling is achieved through the production of a very low vacuum, which additionally helps to serve as insulation by removing contact with the ball and socket, and removing the need to additionally keep the air cool, while the magnets are only cooling to 70 degrees kelvin, utilizing less powerful but more energy efficient super magnets (most notably magnesium diboride), that don't require near 0 degree kelvin temperatures (like those used in some MRI scanners), that are also considerably cheaper. This allows the craft a wide degree of movement and strength, allowing it to perform complicated or otherwise awkward maneuvers not available to tires or tracked vehicles, and partially replicates organic movement.

Like with most machines, replicating organic movement can be difficult. Creatures gauge the weight of the target, it's size, the durability, and consequently how much pressure needs to be applied, at times by applying pressure and gauging the response back, all of this occurring in a matter of microseconds. The living body (humans or dogs for example) is littered with a network of microsensors (such as nerve cells), empty capillaries for blood to be transported, connective tissue, and localized energy itself, with a nerve cell, energy and waste container, transport area, and protective and connective shell for practically every other cell in the body, which make up more weight of the human body than the cell's organelle itself. When lifting a soda can for instance, a human being must apply a continuous effort to keep it in their hands; too little, and it wouldn't possess enough opposing forces to maintain contact with the hand, too much and they could hurt their own hand or crush the soda can. Organic creatures gauge and then apply pressure to objects, continuously applying pressure until they feel that the amount applied is adequate, and then relent, to avoid from having to destroy it; furthermore, their natural squishyness, or yield allows for the compression of various body parts, which increases grip via texture (like fingerprints on hands). They can also visualize an object and estimate the range between them and the target and an appropriate response; they see a rock and step over it, or imagine obstacles ahead and move through them as a result of cognitive thought (such as with a tire run or rope exercise). While the craft itself is intelligent and guided by humans, it essentially is extremely difficult to pilot. As a result, each leg and foot possess a wide array of sensors, that actively gauge their own output, the strength of the ground they're on, and adjust their altitude and distance accordingly to allow the craft to move. While it's programming knows it's own weight, it actively and continuously records this, so that it can respond to it's environment. Ultimately however, it is controlled by the human operator, using neural uplinks, to provide the greatest degree of control. In this manner, a pilot simply gauges the area in front of them and decides what to do next, rather than relying on an array of complex sensors that would be necessary to replicate to make the robot self automated, and a brain to give the signals. Certain devices, such as gyroscopes which help to stabilize the craft and provide inertial guidance, and radar and sonar, along with lasers, can provide a degree of environmental awareness, but ultimately to make complex decisions, a human pilot is needed to utilize the craft.


Power Source
The vehicle uses a miniature pressurized CANDU heavy water reactor, utilizing four CANFLEX fuel bundles; Each about 50 cm in length and 10 cm in diameter, and generating about 1.2 GWh of electricity during its time in the reactor. The CANFLEX bundle has 43 fuel elements, with two element sizes. It is about 10 cm (four inches) in diameter, 0.5 m (20 inches long) and weighs about 20 kg (44 lbs) and replaces 37-pin standard bundle. It has been designed specifically to increase fuel performance by utilizing two different pin diameters. This reduces the power rating of the hottest pins in the bundles, for the same total bundle power output. Also, the design incorporates special geometry modifications that enhance the heat transfer between the fuel and surrounding coolant. Twenty-four of these fuel bundles have been tested in the Point Lepreau CANDU 6 reactor in New Brunswick, Canada, and results indicate CANFLEX meets all expectations and regulatory requirements. They also utilize slightly enriched uranium, at approximately 1.2% U-235, compared to natural Uranium, at .7%. The total power output is roughly equivalent to 468,000 kilograms of gasoline; a typical M1 Abrams possesses 1545, which gives the vehicle approximately 300 times the energy. In addition, the electric powered operation is more efficient than a standard combustion engine, especially the turbine engine of the M1 (which gets a fuel consumption rate of approximately 2-3 gallons per mile). Despite this, various inefficiencies in the operation, and differences in conversion, despite the reduced weight, puts the range of the vehicle at about 500 times that of the standard M1, giving it a continuous rage of approximately 250,000 miles. This is more or less seen as necessary to operate a vehicle such as this, which would also have trouble recharging in combat.

These fuel bundles come with a predetermined burn time, and thus only last approximately 2 years at full operation, thus limiting it's maximum, consistent speed to roughly 28.5 miles per hour. It does however, possess a variety of capacitors and batteries, which give it a faster speed than this, temporarily (mostly reserved for combat, as it only lasts a few hours; this energy is also stored predominately in lithium titanate, to preserve the life of the batteries which are continuously charged and discharged). Thus, even when the vehicle is not "running", it is still burning the fuel. It is possible to increase the life of the vehicle somewhat by using neutron deflectors, which can vary the burn rate. This is rather insignificant, however, providing a maximum of an 8 year life over a 2 year life. This is still used however, to maximize the potential efficiency of the device. It can be said that key drawback to the design is the constant maintenance required, however it's otherwise incredibly long range (several years of straight combat) can in many ways offset this. In this manner, the power source needs to be readily replaced even in peacetime, however, in combat it can operate nearly indefinitely, sans the 2-4 year replacement of the fuel rods. These are often repurposed in low grade fuel reactors, used primarily to warm ambient water temperatures, or as additional radiation shielding.

Suicidesoldier#1
Captain

Fanatical Zealot


Suicidesoldier#1
Captain

Fanatical Zealot

PostPosted: Fri Jul 18, 2014 9:01 am


Armor
The vehicle makes significant use of Chobham armor similar to that in an M1 Abrams; this is more or less composed of ceramic tiles encased within a metal matrix and bonded to a backing plate and several elastic layers. Due to the extreme hardness of the ceramics used, they offer superior resistance against shaped charges such as high explosive anti-tank (HEAT) rounds and they shatter kinetic energy penetrators. The (pulverised) ceramic also strongly abrades any penetrator. Against lighter projectiles the hardness of the tiles causes a "shatter gap" effect: a higher velocity will, within a certain velocity range (the "gap"), not lead to a deeper penetration but destroy the projectile itself instead. Because the ceramic is so brittle the entrance channel of a shaped charge jet is not smooth — as it would be when penetrating a metal — but ragged, causing extreme asymmetric pressures which disturb the geometry of the jet, on which its penetrative capabilities are critically dependent as its mass is relatively low. The newer composites, though tougher, optimise this effect as tiles made with them have a layered internal structure conducive to it, causing "crack deflection". This mechanism —using the jet's own energy against it— has caused the effects of Chobham to be compared to those of reactive armour. To date, few Chobham armour-protected tanks have been defeated by enemy fire in combat.

Ceramic tiles have a "multiple hit capability" problem in that they cannot sustain successive impacts without quickly losing much of their protective value. To minimise the effects of this the tiles are made as small as possible, but the matrix elements have a minimal practical thickness of about one inch (25 mm), and the ratio of coverage provided by tiles would become unfavourable, placing a practical limit at a diameter of about four inches (ten centimetres). The small square ceramic tiles are encased within the matrix both by isostatically pressing them into the heated matrix, and reinforced by gluing them with a heat resistant epoxy resin. Holding the tiles under constant compression by their matrix greatly improves their resistance to kinetic penetrators, which is difficult to achieve when using solely using glues.

Ceramic tiles draw little or no advantage from sloped armour as they lack sufficient toughness to significantly deflect heavy penetrators. Indeed, because a single glancing shot could crack many tiles, the placement of the matrix is chosen so as to optimise the chance of a perpendicular hit, a reversal of the previous desired design feature for conventional armour. Ceramic armour normally even offers better protection for a given areal density when placed perpendicularly than when placed obliquely, because the cracking propagates along the surface normal of the plate.

The backing plate reflects the impact energy back to the ceramic tile in a wider cone. This dissipates the energy, limiting the cracking of the ceramic, but also means a more extended area is damaged. Spalling caused by the reflected energy can be partially prevented by a malleable thin graphite layer on the face of the ceramic absorbing the energy without making it strongly rebound again as a metal face plate would.

The armor, in general, makes extensive use of advanced materials and composites, ranging from ceramics, to nanotechnology, to various metals, such as high strength aluminium and steel; the vehicle makes extensive use of ATI-500 steel, like that used on the stryker vehicle, which is significantly stronger than even AR-500 steel. The general design of the armor is to have overlapping steel plates over the chobham armor, made up of high strength ceramics and nano-aluminium, with high explosive reactive armor behind the chobham armor, as a last resort against a single, highly penetrative round. While more expensive, this armor provides the best coverage and capabilities for the weight, and thus can match or slightly exceed the standard Chobham armor of M1 abrams, despite being substantially lighter weight. On top of this, the armor makes substantial use of shaped armor, including slat armor (that is a protective cage) and perforated armor, to detonate tandem charges away from the main armor itself, or by disrupting a shaped charge of the warhead by either crushing it, preventing optimal detonation from occurring, or by damaging the fuzing mechanism, preventing detonation outright. The slat armor prevents the armor from directly impacting the armor below, which dissipates most of the energy of the explosive blast over the air, rather than letting it directly impact it. The raised frame keeps it away from the ground, which also helps to dissipate the explosive power of mines into the air, rather than it being absorbed by the armor, like found in the MRAP with the V-shaped hull. In addition, the outer steel armor, nearly an inch thick of ATI500 steel, and capable of stopping multiple .50 caliber cartridges, and placed several inches over the chobham armor, to provide a similar effect to the slat armor, although to a much greater effect. The various layered composites, from the dyneema backed steel, to the graphite coated ceramics, help to generally increase performance beyond that of what a single homogeneous material could do on it's own.


Nanoceramics
The new modern Nano-ceramics is also making use of new nano-ceramics, which are harder and lighter than current ceramics, while having multi-hit capability. Normal ceramic tiles and a liner backing have a mass-efficiency (EM) value of 3 compared to normal steel armour, while it fulfills STANAG 4569. The new nano-crystalline ceramic materials should increase the hardness compared to current ceramics by 70% and the weight reduction is 30%, therefore the EM value is larger than 4. Furthermore the higher fracture toughness increases the general multi-hit capability. Some AMAP-modules might consist of this new ceramic tiles glued on a backing liner and overlaid by a cover, a concept which is also used by MEXAS; however, in the particular case of the Mech, it is instead utilized heavily in the chobham armor.


Nano-aluminium
The core basis to the chobham armor is aluminium and Titanium aluminium hybrids. While Titanium requires only 58% as much weight as rolled homogeneous armour (RHA) for reaching the same level of protection, Mat 7720 new, a newly developed Aluminium-Titanium alloy, needs only 38% of the weight. That means that this alloy is more than twice as protective as RHA of the same weight. The Nano-aluminum armor, however, is 5 times stronger than traditional aluminium all together, and forms the bulk of the metal matrix for the chobham armor. The Walter P. Murphy Professor of Materials Science and Engineering, and David C. Dunand, James N. and Margie M. Krebs Professor of Materials Science and Engineering, combined aluminum with lithium (which has a lower density than aluminum and makes the material more lightweight) and scandium — an exotic element that dramatically strengthens aluminum. They also added a bit of ytterbium, which also acts as a strengthener but is much cheaper than scandium.

But creating an alloy isn't just a matter of mixing the elements together — the researchers have a scientifically designed process of timed heating that naturally arranges the atoms into nano-particles with a new kind of structure — a core surrounded by two shells. The core is ytterbium-rich, while the first shell is rich in scandium and the second shell contains mostly lithium. This core/shell-shell structure has been achieved by chemists in liquid solutions but this is the first time it has been achieved by processing solely in the solid-state. The core/shell-shell nano-particles make the material much stronger because they act as strong obstacles for line defects (called dislocations) that can glide through the material, and their layered structure helps make the material much more resistant to high temperatures.

Aluminium is chosen over steel as the metal matrix to reduce the weight of the frame, and while the higher strength aluminium is still overall weaker than the highest strength steels, it's strength is sufficient to provide a backing for the ceramics which increases their strength dramatically. It is in addition, equal to the strength of the steel used in most Chobham armor, giving it equivalent strength.


Graphene
Graphene is an incredibly high strength material, nearly 200 times stronger than steel, at 1/10th the weight. It's melting point is over 6000 degrees, it's flexible, and most variations are clear. While it depends on the variations, some are incredibly thermally resistant, some are incredible conductors, while other's possess properties that make them usable It also can be up to 100 dollars per square centimeter, for a piece of material but 130 microns thick, or .13 millimeters. While cheaper variations can be 10 dollars or less, even at 1 dollar per square centimeter, a meter of material is still or 20,000 and 2 million dollars. As a result, graphene is reserved for only the most demanding situations. Largely based on joints and over camera lenses, less than a millimeter of the material can absorb the energy of shrapnel and even bullets, which makes it ideal for these applications. Particularly, it is used as both an insulator on the joints, and to handle the high stresses the vehicle imparts to these pieces, as a result of it's awkward gait designed to mimic organic motion.



Explosive Reactive Armor
An element of Explosive reactive armour consists of a sheet or slab of high explosive sandwiched between two plates, typically metal, called the reactive or dynamic elements. On attack by a penetrating weapon, the explosive detonates, forcibly driving the metal plates apart to damage the penetrator. Against a shaped charge, the projected plates disrupt the metallic jet penetrator, effectively providing a greater path-length of material to be penetrated. Against a long rod penetrator, the projected plates serve to deflect and break up the rod.

The disruption is attributed to two mechanisms. First, the moving plates change the effective velocity and angle of impact of the shaped charge jet, reducing the angle of incidence and increasing the effective jet velocity versus the plate element. Second, since the plates are angled compared to the usual impact direction of shaped charge warheads, as the plates move outwards the impact point on the plate moves over time, requiring the jet to cut through fresh plate material. This second effect significantly increases the effective plate thickness during the impact.

To be effective against kinetic energy projectiles, ERA must use much thicker and heavier plates and a correspondingly thicker explosive layer. Such "heavy ERA," such as the Soviet-developed Kontakt-5, can break apart a penetrating rod that is longer than the ERA is deep, again significantly reducing penetration capability. An important aspect of ERA is the brisance, or detonation speed of its explosive element. A more brisant explosive and greater plate velocity will result in more plate material being fed into the path of the oncoming jet, greatly increasing the plate's effective thickness. This effect is especially pronounced in the rear plate receding away from the jet, which triples in effective thickness with double the velocity. This is largely achieved by RDX and powdered aluminium.

Unlike normal explosive reactive armor, this armor is placed beneath the core armor, such as steel and the ceramics, to provide a final, ultimate defense against a projectile. Separated into tiles, the armor can be used against multiple shots spread out over the armor, rather than just against a single shot, however due to the fact that the explosive is consumed when the armor "activates", it's only usable in the same spot once. Thus, the armor is best placed beneath the rest of the armor, so once that armor is defeated, the explosive reactive armor can be used next. Although it has some of the highest strength to weight ratio of armor and can stop the most powerful projectiles, it's single use is best reserved as a last resort. This is conveniently activated after the primary armor is defeated, which makes it capable of supporting the armor beneath it, although the armor can only take a handful of shots from the most powerful weapons due to it's inherent self destructive properties.
PostPosted: Fri Jul 18, 2014 9:02 am


General Electronic Capabilities


Stealth
Although most tanks primarily focus on the ability to deflect or absorb enemy projectiles, erring on the side of raw, defensive protection, as mobile armor, it is impossible, or unrealistic to expect a tank to absorb all forms of enemy attacks. While defensive against other forms of mobile armor is generally perceived as the role or duty of a tank, to provide adequate protection to these threats, it is still possible for larger weapons, such as missile, or aircraft to destroy tanks, despite their impressive armor capabilities. A cruise missile, or 2000 pound bomb could likely get through most tanks' armor, and trying to prepare against all these threats would be impractical. As a result, sometimes not being targeted at all is a more ideal form of protection, as the enemy cannot even see or does not notice your craft moving towards them. While on the large scale, this can provide incredibly important strategic benefits, on the smaller, more direct scale, this can provide perhaps even greater tactical advantages. The ability to deflect or disrupt a guided missile, and cause the weapon to veer off target is an invaluable asset, as it allows a vehicle to avoid direct impact from some of the more powerful weapons.

As a result, the vehicle has limited stealth capabilities. While being close to the ground provides inherent advantages to radar systems, due to the natural clutter of the ground (compared to to aircraft, which are largely in the open sky), and the ground itself reflecting and disrupting radiation (being a hard surface which can reflect or absorb radar), additional radar measures can be useful. In addition to this, due to a general lack of an need to be aerodynamic to remain in flight, the far tougher armor of the tank, and it's smaller size and lower profile, ground vehicles actually possess numerous advantages when becoming stealthy, compared to aircraft. Like most stealth aircraft, the vehicle possess wide angles on it, which help to reflect radar and scramble it, without giving the radar a good surface to bounce off of. The very shape of a vehicle can help to disrupt and reflect radar waves in such a way to provide an imperfect recovery by radar, which helps reduce it's radar signature, and thus make it harder to target or detect. Radar absorbant materials, or RAM, helps to prevent the radar from ever being reflecting off of the vehicle in the first place, simply absorbing the radar before it can ever make it back to the receiver. While no radar absorbent material can absorb all of the radar of a radar scanner, it can disrupt it significantly enough to make targeting or detection nearly impossible. The radar cross section of the vehicle is made smaller by these factors, which are similar to stealth aircraft, such as the B-2 Bomber, F-117, F-35 or F-22.

Infrared counter measures are more easily utilized on most tanks than radar counter measures. Largely based on the Adaptiv active camouflage technology, developed by BAE Systems AB, the basis is to protect military vehicles from detection by near infrared night vision devices. It consists of an array of hexagonal Peltier plates which can be rapidly heated and cooled to form any desired image, such as of the natural background or of a non-target object. The Adaptiv infrared military camouflage technology, virtually simulates the "a thermal TV screen". It uses about 1000 hexagonal panels to cover the sides of an armoured vehicle such as a tank or personnel carrier. Infrared cameras continuously gather thermal images of the vehicle's surroundings. The Peltier plate panels are rapidly heated and cooled to match either the temperature of the background, such as a forest, or one of the objects in the thermal cloaking system's "library" such as a truck, car or large rock. The system is able to gather and display thermal images while the vehicle is moving. The result is to "cloak" the vehicle from detection by heat-detecting night vision devices (thermographic camera systems).

For crypsis, the panels can display an infrared image of the vehicle's background; this can be updated as the vehicle moves. For mimesis, an image of a chosen object, such as a car, can be retrieved from Adaptiv's library and superimposed on the background. The technology is said to reduce the range at which a vehicle would be detected to less than 500 metres. The panels forming Adaptiv's pixels are hexagons approximately 5.5 inches (14 cm) wide. They are robust, contributing to the armour of the vehicle that carries them. The system allows its operator to "grab" a thermal image from a vehicle or other object for display.

https://en.wikipedia.org/wiki/Split-ring_resonator


Radar and Microwave Cloaking
Radar and microwave

Infrared blending

Active Camouflage

Radar Countermeasures
Radar Counter measures

Radar Jamming
Radar Jammer




Detection System and Radar

The primary core basis of the vehicles long range detection system is a heavily modified AN/APG-78 Longbow millimeter-wave fire-control radar (FCR) target acquisition system and the Radar Frequency Interferometer (RFI), housed within the - Source - Source

The radar provides high performance with very low probability of intercept. Longbow’s radar rapidly and automatically searches, detects, locates, classifies, and prioritizes multiple moving and stationary targets on land, air, and water in all weather and battlefield conditions to the maximum range of the Longbow missile. Target coordinates are automatically available to all sensors and weapons-enabling target confirmation, reducing fratricide, and permitting rapid launch. Target data is also digitally available through the improved data modem for real-time transfer to other platforms and command posts. The self-contained Radio Frequency Interferometer (RFI) ensures rapid identification and accurate azimuth to enemy air defense units. High system reliability and two-level maintenance provide high operational availability with low support costs. The radar is fielded with the Apache AH-64D Attack Helicopter system in the US Army.

The Longbow system incorporates a fire-and-forget RF missile, allowing the Apache to launch from defilade, increasing battlefield survivability. The missile is capable of locking on before or after launch and has been extensively tested in multiple countermeasures. It has a range of approximately 5 miles (8km), weighs 108 lb (49 kg), and is 69 in (175 cm) in length and 7 in (17.8 cm) in diameter. It can target over 256 targets at a single time, and is incorporated with the various Friend-or-Foe identification systems, which helps to avoid friendly fire.

While adapted for use in the mech, the largest change to the design has been the upgrade to the
Quantum enhanced Radar
, compared to the original unfiltered radar system. The radar system utilizes a much more finite and accurate system, which is more resistant to jamming methods. A team of physicists at the University of Rochester has discovered how to defeat the latest active radar jamming methods by taking advantage of the quantum properties of photons. While this new anti-jamming technology cannot remove the false information, it provides an immediate alert that false information is being received.

The new jamming method on the block is Digital Radio Frequency Memory (DRFM) jamming. DRFM works by intercepting the radar signal, modifying the signal by introducing false information about the target, than retransmitting the modified signal toward the radar. In theory, the radar cannot distinguish the altered signal from a legitimate target signal because the altered signal contains all the signatures and fingerprints of the original radar beam. The class of DRFM jamming methods is sufficiently broad and flexible that constructing effective countermeasures to the jamming using conventional technology is extremely difficult. The key is to use polarization of the radar signal as a quantum signature. A radio or light wave is described by a polarization angle, defined as the direction along which the electric field of the wave is oriented. A polarizer is an optical element that allows only radiation sharing its polarization direction to pass through unscathed. If the same wave is directed through a polarizer misaligned by 90 degrees, no signal passes through.

The process isn't completely reliable, mainly because radar is not a collection of single-photon processes. There are lots of photons in the radar beam, which in a simple protocol all have the same polarization. Bob in principle can use part of the radar signal to determine its polarization (which can be done using a large number of photons), and then use that knowledge when retransmitting the spoofed signal. However, this is difficult to do because of the time delays in determining the radar beam polarization, and can easily be countered by, for example, changing the radar polarization rapidly, sending out the radar beam on a number of frequencies, and having different polarizations on each, or a combination of both. While not completely unjammable, the radar system is much less susceptible to doing so, and thus places the difficulty of the jamming signals back on the jammer itself, making it so much smaller, and generally weaker decoys or jammers cannot fool or overload the system. This makes standard or cheap and readily deployable decoys less of a nuisance, and thus makes it substantially more difficult to actually prevent the radar system from working.

Suicidesoldier#1
Captain

Fanatical Zealot


Suicidesoldier#1
Captain

Fanatical Zealot

PostPosted: Fri Jul 18, 2014 9:02 am


Armament

As a heavy battle tank, the vehicle's armament is predicated on defeating other forms of armor, or providing heavy support for infantry troops. Much of the vehicles design is based around the weapons the vehicle is intended to use. While the main weapon is based on heavy artillery, from the MAC 120mm gun or the 155mm howitzer, the secondary weapons are no less integral to the entire weapon platform. The 20mm cannon can ultimately be used to shoot down oncoming missiles, while the 120mm mortars can provide both high explosive and smoke cartridges, to conceal the position of the tanks or fellow troops. This allows the tank to not also provide a number of methods of engagement of enemy troops, but also provides them with defensive advantages allowing them to engage a wider variety of targets, and defeat a number of enemy weapons.

The tank is also specifically designed to work with various missiles, including the AGM-114 and the RIM-7 Sea Sparrow. While not specifically designed as a missile launching platform, the tank can fire, as a last resort, both guided anti-tank missiles and anti-air missiles, to take down light targets at a range or defend against medium altitude aircraft. While the tank does not guarantee success against all forms of enemy aircraft, it in general is very effective, possessing both an automatic gatling gun and medium range anti-air missiles. It is usually at least capable enough to deter enemy aircraft, long enough, to retreat within range of patriot missile or S-300 anti-air systems.

Furthermore, the vehicle relies heavily on automation of the weapons systems and electronics. Due to a general lack of human interaction, more weapons are available to the aircraft, without requiring more crew members, or exposing troops. This also allows for it to possess a smaller and slimmer profile, allowing it to be much lighter despite the multitude of weapons used. The streamlined nature also contributes to it's stealth capabilities.



MAC 120mm Cannon or 155mm Howitzer
The vehicle, in general, sports a 120mm Rheinmetall 120 mm gun, which more or less is a 120mm tank cannon with optional magnetic assistance. The MAC gun can fire ordinary 120mm rounds, ranging from the high explosive to depleted uranium armor piercing rounds. However, in combination with the coil-railgun hybrid, the vehicle is capable of providing magnetic assistance to the standard depleted uranium cartridges, which can enhance their power without significantly increasing the tank's size or necessary weight to handle the immense recoil. With an energy level of 29 million joules, compared to the 14.45 million joules of the typical depleted uranium sabot cartridges, the MAC gun can roughly double the energy of the standard DU rounds.

Due to it's reliance on electrical energy, it relies heavily on the hybrid engine of the vehicle to power the gun. The engine's battery essentially moves power, temporarily, to be stored in the lithium ion capacitors, which for the energy levels required, weigh 2.1 tons, sufficient for 4 assisted shots. The barrel, made up of depleted uranium, is also considerably heavier than the standard 120mm Rheinmetall cannon, although this lengthens it's life somewhat, reduces the recoil, and makes it paramagnetic, which means it doesn't possess residual amounts of magnetism that could weaken successive shots. To reduce the wear and tear on the rail system, the vehicle also possesses a cooling system which is routed through the vehicles main radiator, and allows the tank itself to serve as an enormous heat sink, coupled with aluminum and graphene films to help disperse the heat over the tank more quickly. The weapon possesses a maximum range of 10 miles, and possess more energy, kilogram per kilogram, than TNT, when fired at the maximum energy level. It can take up to 56 megajoules to fire each round, which requires roughly 1.2 gallons of gasoline, which is what is required to drive the capacitor's energy levels up high enough to power the coil gun. With an extra 150 gallons of fuel dedicated to this process, this means roughly 125 of such shots. The vehicle can hold up to 90 rounds in the autloader, although more can be stored in various storage compartments or the vehicle itself if necessary.


40mm Chain Gun
The twin 40mm bofors chaingun's have a multiple purpose role in the vehicle, designed specifically to take down aircraft, provide support against light vehicles and infantry, and more importantly, take down oncoming missiles and bombs. While the vehicle itself is very well armored, against the most powerful threats, it is largely impossible to defend against them. It's hard to defeat a 2000 pound bomb striking the vehicle, or a guided missile which can locate the weakpoints of the armor, as there is an eventual limit to how effective armor can be. As a result of this, an active defense system is required to prematurely detonate weapon's away from the vehicle. Slightly modified, lighter, lower profile version of the 40mm bofors can be used to shoot down oncoming missiles, or bombs headed towards the vehicle. The standard, 20mm anti-air variant of which the system is based on fires rounds at approximately 6000 RPM to intercept missiles, but the 40mm system is much slower shooting. It compensates however by utilizing air burst munitions designed to provide shot to intercept each round, providing a virtual increase in the amount of rounds fired. If detected by the vehicles onboard sensors, and given proper input by the crew, or close enough to the vehicle while traveling fast enough, the weapon will fire in the missile's direction, and blanket the sky in high explosive air bursting munitions, designed to intercept and obliterate enemy airborne threats. While this is still somewhat effective against low lying aircraft in it's own right, primarily, the guns are used to stop missiles, to give the vehicle protection against the most powerful threats imaginable, and to stop the weapons before they even get within range of the vehicle at all. While it would have a difficult time stopping bullets, the large size and low velocity of most missiles, and their sensitivity due to their electronics, makes it ideal against the most severe threats faced by tanks.

While the advanced computerized systems work in tandem with the rest of the vehicles electronics, the largest potential drawback of the system is in it's potential for collateral damage. Firing bullets designed to intercept other bullets, the vehicle uses a laser in addition to radar to make sure the rounds blow up before striking a hard target other than the one identified by the anti-air counter measures. The round usually fires up, into the sky, to avoid accidentally hitting nearby objects on the ground, and the cartridges blow up after traveling a predetermined distance to prevent them from accidentally exceeding their intended range. While this is variable, it more or will always modify itself to the situation, to the best of the abilities of the on board computer. The cartridges, in extreme situations, can explode as little as 3 feet from the vehicle. A proven system on numerous naval craft, the anti-missile system is incredibly effective at stopping even the most lethal threats. Against most kinetic threats, however, is far less capable.

The 40mm bofors weapon is a highly effective weapon, capable of not only stopping aircraft, but also of penetrating light APC's and providing limited anti-infantry support with anti-air rounds. The cartridges are each approximately 870 grams, or nearly 2 pounds, and travel at nearly 1015 m/s. Their extreme power and capabilities makes it suitable for a variety of different jobs. It is 9 times more powerful than a standard 20mm cartridges, and 2.5 times more powerful than a 30mm. While heavily armored APC's and most armored vehicles are capable of withstanding 30mm armor piercing rounds, the devastating nature of the 40mm bofors is to the extent that it can pierce most of even the best armored vehicles. It's extreme power makes it effective against most targets, but against softer targets it can explode in mid air or within targets, thus increasing it's effectiveness against considerably smaller one's. It's sheer size makes it much more effective as an explosive, as the fundamental requirement for a detonator is far over shadowed by the cartridge's raw size. Usually, the craft carries 2000 rounds of telescopically cased, lighter 40mm bofors cartridges for each chaingun.


120mm Mortar
The vehicle possess 16 120mm mortar, sans the baseplate, bipod, sights. While ordinarily around 300 pounds for the entire unit, because only the mortar tube it utilized, each weighs approximately 100 pounds, equaling a total of .8 tons. The M120 mortars are in general considered incredibly effective while still being relatively lightweight, but aren't capable of being carried by ordinary infantry. With both high explosive and specialty ammunition available, the mortars are used for a variety of missions, particularly those in which a less powerful weapon is required, such as preventing collateral damage. The tank not only has the capability for incredibly powerful weapons, but less powerful ones, when required. Each cartridge has a range of approximately 7,240 metres, or 4.5 miles, and is roughly 30-40 pounds. The range is roughly equivalent to the 120mm Rheinmetall.

Because they are exceptionally difficult to reload from within the tank, the vehicle utilize several 120mm mortars to increase their ability to fire quickly or repeatedly. In addition to this, however, the mortar tubes utilize a system similar to metal storm 3GL or Mual firing system, which uses a sequentially stacked, electronically fired 120mm mortar. Metal Storm used the concept of superposed load; multiple projectiles loaded nose to tail in a single gun barrel with propellant packed between them. The Roman candle, a traditional firework design, employs the same basic concept, however, the propellant continues to burn in the Roman candle's barrel, igniting the charge behind the subsequent projectile. The process is repeated by each charge in turn, ensuring that all projectiles in the barrel are discharged sequentially from the single ignition; with the metal storm firing system, only a single round is fired at a time. This results in the capability of holding up to 5 rounds in it's tube, before the weapon needs to be reloaded, unlike ordinary mortars, which in turn allows a total of 80 rounds to be fired before the weapons need to be reloaded. Because most 120mm mortars are muzzle loaded, it allows significantly more cartridges to be fired before reloading is necessary, which greatly increase the versatility of the weapon system. In theory, more rounds can be loaded into the weapon if necessary, although this requires lengthening the mortar tube or using a lower velocity weapon.

The 120mm Mortar system is an integral part of the defense system of the vehicle; with the capability to cover the vehicle in smoke, it can prevent both lasers and areal targeting of the aircraft, in addition to providing concealment of the vehicle's position. It can also be used to cover infantry or other units smoke, to provide the same advantages.



Secondary Weapons
The secondary weapons of the vehicle are incredibly useful for use against infantry units or lightly armored vehicles. While providing too many weapons to the vehicle would be unrealistic or impractical, the weapons overall light weight in comparison to the vehicle's extensive weight makes them easy to add to the vehicle. Because they are remote controlled, an individual operator can easily switch between weapons, and aim them, without putting themselves at risk to enemy fire. While the armament can be any mix of .50 and .30 caliber machine guns, 40mm and 25mm automatic grenade launchers, and various other weapons, the vehicle in general utilizes a single M2 Browning .50 caliber machine gun, a single Mk 47 Striker automatic 40mm grenade launcher, and two twin M134 7.62mm x 51mm NATO miniguns. The typical armament is 5000 rounds of .50 caliber ammunition, 10,000 rounds for each M134 minigun, and 1600 rounds of 40mm grenades.

The primary purpose of these weapons are provide light support to infantry forces, or against light threats. The 40mm grenades are capable of being programmed to explode in mid air, with airbursting qualities, and the .50 caliber machine guns possess high explosive armor piercing incendiary ammunition. The 7.62mm NATO ammunition is generally standard armor piercing ammunition, although high explosive armor piercing ammunition is occasionally used.
Reply
Hangar 2: Ground Based Vechiles

 
Manage Your Items
Other Stuff
Get GCash
Offers
Get Items
More Items
Where Everyone Hangs Out
Other Community Areas
Virtual Spaces
Fun Stuff
Gaia's Games
Mini-Games
Play with GCash
Play with Platinum