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Magnetic Accelerator Cannon (edit)

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{{Quote|That MAC gun can put a round clean through a [[Covenant]] capital ship.|[[Sergeant Johnson]], talking to the [[John-117|Master Chief]] on board the [[Orbital Defense Platform]] ''[[Cairo Station|Cairo]]''.}}
{{Quote|That MAC gun can put a round clean through a [[Covenant Empire|Covenant]] capital ship.|[[Sergeant Johnson]], talking to the [[John-117|Master Chief]] on board the [[Orbital Defense Platform]] ''[[Cairo Station|Cairo]]''.}}


The '''Magnetic Accelerator Cannon''', also known as '''Mass Accelerator Cannon'''<ref>''[[Halo: Contact Harvest]]'', page 119</ref>, or the '''MAC Gun''' or '''MAC Cannon''', is a large [[Wikipedia:Coilgun|coilgun]] that serves as the primary offensive weapon for [[UNSC]] warships.  
The '''Magnetic Accelerator Cannon''', also known as '''Mass Accelerator Cannon'''<ref>''[[Halo: Contact Harvest]]'', page 119</ref>, or the '''MAC Gun''' or '''MAC Cannon''', is a large [[Wikipedia:Coilgun|coilgun]] that serves as the primary offensive weapon for [[UNSC]] warships.  
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===Ammunition===
===Ammunition===
A typical ship-based MAC fires slugs of either ferric [[Tungsten]] or depleted uranium at 30,000 m/s. The high muzzle speed gives the 600 ton slug the kinetic energy and momentum necessary to damage a target and partially mitigates the unguided nature of the slug and its lack of maneuverability. [[ODP|Orbital Defense Platforms]] fire a 3,000 ton slug at 40% of the [[wikipedia:Speed of light|speed of light]] about 120,000,000 m/s, enough to pierce the shield of a [[Covenant]] ship, destroy it and keep going (as seen in ''[[Halo: Uprising]]'' pt 4.) (similar to the Stanchion Rifle of ''[[Halo: Contact Harvest]]'' on how it pierced office buildings and its trajectory and velocity were unchanged). Hence demonstrating the ability of the MAC round to pierce multiple obstacles before fully stopping the projectile, if needed.
A typical ship-based MAC fires slugs of either ferric [[Tungsten]] or depleted uranium at 30,000 m/s. The high muzzle speed gives the 600 ton slug the kinetic energy and momentum necessary to damage a target and partially mitigates the unguided nature of the slug and its lack of maneuverability. [[ODP|Orbital Defense Platforms]] fire a 3,000 ton slug at 40% of the [[wikipedia:Speed of light|speed of light]] about 120,000,000 m/s, enough to pierce the shield of a Covenant ship, destroy it and keep going (as seen in ''[[Halo: Uprising]]'' pt 4.) (similar to the Stanchion Rifle of ''[[Halo: Contact Harvest]]'' on how it pierced office buildings and its trajectory and velocity were unchanged). Hence demonstrating the ability of the MAC round to pierce multiple obstacles before fully stopping the projectile, if needed.


The Super MAC Slug can be seen on the level [[Cairo Station (Level)|Cairo Station]]; Go out of the elevator to the bomb and immediately turn left, then go into the hollow rail in the middle of the room, you will see the 3,000 ton slug being placed into the firing chamber. In other words, stare down the moving thing in the middle of the room. Consequently, walking into the firing chamber will result in the [[Master Chief]] being crushed by a slug as it is loaded into the chamber.
The Super MAC Slug can be seen on the level [[Cairo Station (Level)|Cairo Station]]; Go out of the elevator to the bomb and immediately turn left, then go into the hollow rail in the middle of the room, you will see the 3,000 ton slug being placed into the firing chamber. In other words, stare down the moving thing in the middle of the room. Consequently, walking into the firing chamber will result in the [[Master Chief]] being crushed by a slug as it is loaded into the chamber.
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==Types==
==Types==
===Standard Magnetic Accelerator Cannon===
===Standard Magnetic Accelerator Cannon===
The standard ship-mounted MAC fires a 600-ton ferric-tungsten projectile with a depleted uranium core at 30 km/s. The large amount of energy needed to fire the weapon is particularly onerous on a warship at 2.7E+14 joules, and the extended recharge time is a significant factor in combat against [[Covenant]] warships as multiple MAC rounds are required to penetrate Covenant shields. At 64.5 kilotons per shot, the standard MAC is sufficient to destroy any human vessel or severely damage an unshielded Covenant vessel.  
The standard ship-mounted MAC fires a 600-ton ferric-tungsten projectile with a depleted uranium core at 30 km/s. The large amount of energy needed to fire the weapon is particularly onerous on a warship at 2.7E+14 joules, and the extended recharge time is a significant factor in combat against Covenant warships as multiple MAC rounds are required to penetrate Covenant shields. At 64.5 kilotons per shot, the standard MAC is sufficient to destroy any human vessel or severely damage an unshielded Covenant vessel.  


An experimental version of the MAC was developed to fire three successive rounds on a single capacitor charge. A prototype was mounted on the {{UNSCShip|Pillar of Autumn}}.<ref>''[[Halo: The Fall of Reach]]''</ref> This MAC was specially designed to fire a Tungsten cored shot with a outer casing and on top is a ferrous shell. It basically acts like a normal [[assault rifle |assault rifle's]] shredder rounds, giving the cannon three consecutive blows for one shot, which could supposedly down a Covenant ship with one charge.
An experimental version of the MAC was developed to fire three successive rounds on a single capacitor charge. A prototype was mounted on the {{UNSCShip|Pillar of Autumn}}.<ref>''[[Halo: The Fall of Reach]]''</ref> This MAC was specially designed to fire a Tungsten cored shot with a outer casing and on top is a ferrous shell. It basically acts like a normal [[assault rifle |assault rifle's]] shredder rounds, giving the cannon three consecutive blows for one shot, which could supposedly down a Covenant ship with one charge.
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A UNSC Defense Platform typically mounts a much larger and more powerful version of the standard MAC, nicknamed "Super MAC" or "The Big Stick."  
A UNSC Defense Platform typically mounts a much larger and more powerful version of the standard MAC, nicknamed "Super MAC" or "The Big Stick."  


These cannons fire a 3000-ton ferric-tungsten round at 4% the speed of light, impacting with a massive amount of relativistic kinetic energy, in the range of 2.16E+20 Joules, which equals 51.6 Gigatons of TNT. However, because of the power of such a weapon, no Covenant ship has been able to take all the kinetic energy. Instead the round goes right through and keeps on going, probably hitting another ship and even the second ship possibly couldn't take all the energy thus resulting to its destruction. If a ship was able to take all the kinetic energy of a MAC round it would most likely vaporize the ship thus making the intense power of a MAC equal to a nuclear bomb. A volley from the 20 MACs in orbit around Reach would have an exceeding impact energy to the meteorite that caused the Chicxulub crater. Although in Contact Harvest and Halo: First Strike, it says it takes almost 5 volleys to fully destroy a [[Covenant]] warship because the UNSC warship's MACs could barely put a dent in a Covenant ship. Since the ''Pillar of Autumn'' was almost built around the MAC, their MAC could fire three volleys every charge, but it would eat up their power and take it down to 10%. By receiving power from [[Orbital Defense Generator|ground-based power plants]], orbital platforms could achieve recharge and reload times as short as five seconds.
These cannons fire a 3000-ton ferric-tungsten round at 4% the speed of light, impacting with a massive amount of relativistic kinetic energy, in the range of 2.16E+20 Joules, which equals 51.6 Gigatons of TNT. However, because of the power of such a weapon, no Covenant ship has been able to take all the kinetic energy. Instead the round goes right through and keeps on going, probably hitting another ship and even the second ship possibly couldn't take all the energy thus resulting to its destruction. If a ship was able to take all the kinetic energy of a MAC round it would most likely vaporize the ship thus making the intense power of a MAC equal to a nuclear bomb. A volley from the 20 MACs in orbit around Reach would have an exceeding impact energy to the meteorite that caused the Chicxulub crater. Although in Contact Harvest and Halo: First Strike, it says it takes almost 5 volleys to fully destroy a Covenant warship because the UNSC warship's MACs could barely put a dent in a Covenant ship. Since the ''Pillar of Autumn'' was almost built around the MAC, their MAC could fire three volleys every charge, but it would eat up their power and take it down to 10%. By receiving power from [[Orbital Defense Generator|ground-based power plants]], orbital platforms could achieve recharge and reload times as short as five seconds.


===[[M68 Gauss Cannon]]===
===[[M68 Gauss Cannon]]===
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