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Autocannon 20

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Equipment Overview
Autocannon 20 
AC20.JPG
Tech Base: Inner Sphere 
Equipment Type: Ballistic Weapon 
Tonnage: 14 tons
Ammo per Ton:
Critical Slots: 10  
Item Health: 18  
Cost: Cbill.png 600,000  
Sell: Cbill.png 300,000  
Equipment Specifications
Recycle: 4
Damage: 20 
DPS: 5
Heat: 6
HPS: 1.5
Range: 270m 
Maximum Range: 810m
Projectile Velocity: 650
Impulse: 0.1
Cockpit Shake: 2
Heat Scaling: 1

 

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[edit] Overview

The AC 20's massive slugs cause tremendous damage on impact, and can even destroy some scout 'Mechs with a single hit. However, the AC 20's legendary damage begins to decrease beyond 270m. Even so, the ballistic maximum range profile means that it can still deal reduced damage up to three times its optimal range (up to 810m), and it still does 10 damage even at 540m.

All this firepower does come at a cost. The weapon itself weighs a whopping fourteen tons and takes up ten slots of space, making it the largest weapon in the game. Even with the presence of an appropriate hardpoint, its 10-slot bulk prohibits it from being mounted in the arms of almost all 'Mechs, and the use of an XL Engine will prevent it from being mounted in a side torso as well. Its ammo is similarly heavy; each ton of AC 20 ammo contains a measly seven rounds.

Comparisons can be made to the similarly heavy Gauss Rifle, which causes almost as much punishment but retains its damage out to much longer ranges. The AC 20's shell is reduced to 15 damage at 405m, and continues to drop beyond that, while the Gauss maintains that same level of damage out to 660m. The AC 20's large number of slots also mean that the huge autocannon will easily sustain critical hits, although its high item health (six times more than the Gauss Rifle) mean it is less prone to be destroyed unless the entire 'Mech component is lost, and unlike the Gauss it will not explode if destroyed.

Very few 'Mechs can mount the AC20 in an arm location. The hand and lower arm actuators must not be installed to free up enough room for the weapon. Some notable examples of 'Mechs that can mount an AC20 in the arm are the Centurion CN9-YLW, Raven RVN-4X, Highlander HGN-733C, and the JagerMech. Note that the absence of these same actuators also mean that these 'Mechs cannot move their arms side-to-side (0° horizontal arm movement).

[edit] Related

-Gauss Rifle: Has a similar DMG rating but can reach out farther.

[edit] References

  1. Piranha Games\MechWarrior Online\Game\GameData.pak\Libs\Items\ItemStats.xml
  2. How screen shake is calculated