Ultra AutoCannons

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Ultra AutoCannons, or UACs, are an advance in AutoCannon technology that seeks to boost the weapon's damage-per-second (DPS) by increasing rate-of-fire.

Overview

Schematic of Ultra AutoCannon

With roughly twice the rate-of-fire of a Standard AutoCannon and only slightly lower damage-per-shot, Ultra AutoCannons deal out almost twice the punishment in the same amount of time. The down side of these weapons is that they can overheat with prolonged firing which will result in a lengthy cooling period. This is especially true of the heavier UAC10 and UAC20, which are capable of dealing tremendous damage but have a limited window to do so.

As with Standard AutoCannon, rounds fired from Ultra AutoCannons may strike targets at greater distances than the listed range. Because of the longer flight time of the round and the ballistic trajectory (requiring the pilot to aim high to compensate) it is often difficult to strike actively evading targets in this manner. Even so, this can allow a UAC to strike a target at surprisingly long range (with the UAC2 actually capable of damaging units at up to 1,250 meters away).


Weapon Stats


All stats are current as of release 0.10.3
Weapon Max Range Dmg Drop
Range
Dmg Drop
/m
Damage/Shot Damage Type Splash Radius Shots/min Raw DPS Heat/Shot Cooldown
Time
Jam
Duration
Ammo/ton Ammo cost
/ton
(C)UAC2 1200m 1200m 10 13 Light Kinetic --- 348 (500) 75 0.5 3.5s 7s 800 250
UAC5 810m 800m 3 x 115.5 Kinetic 22.6 131 7 4s 8s 128 450
CUAC5 20.1 116 5s
(C)UAC10 665m 650m 20 2 x 300 Heavy Kinetic 25.8 258 30 5s 8s 48 750
(C)UAC20 360m 350m 2 x 490 28 458 68 6s 10s 32 1000
Air UAC2 1200m 1200m 10 12 Mgun --- 480 (1080) 96 1 2.5s 2.5s 800 450
Air UAC5 860m --- --- 40 Kinetic‑air 1.5m 120 (600) 80 3 6s 9s 200
Air UAC10 760m 80 2.5m 80 (400) 107 10 9s 100
Air UAC20 600m 180 Energy 3m 60 (300) 180 15 9s 50


(C)UAC2 and (C)UAC5

The Ultra AutoCannon-2 is primarily used as an anti-aircraft weapon since its high rate-of-fire makes them a nightmare for fighters. Likewise they are an effective anti-Battle Armor and anti-hovercraft weapon. It also carry more ammunition in a ton compared to the AC2 or AC5, however their doubled rate of fire means they also run dry much more quickly. Because of how rapidly it shoots, the UAC2 can even prove to be a threat to heavily armored units despite dealing Light Kinetic damage if the shooter is able to maintain fire on their target.

The Ultra AutoCannon-5, as of 0.8.5, is more similar to the heavier UACs than to the UAC2, as it instead fires a quick burst as opposed to the UAC2's sustained barrage. Again unlike the UAC2, the UAC5 deals Light Kinetic damage, which is more suitable against light to medium targets. A battery of UAC5s, such as those found on the Mad Cat MKII E can rapidly disintegrate even an assault 'Mech when used with precise targeting.

As of 0.4.5 there was no observable difference between the Clan and Inner Sphere versions of the weapons.

(C)UAC10 and (C)UAC20

Both the Ultra AutoCannon-10 and Ultra AutoCannon-20 are prime assault weapons that feature both high burst damage and impressive DPS. The main drawback of these weapons is they carry so few rounds in a ton (UAC10 48Ammo/ton UAC20 32Ammo/ton) making it easy to run dry if care isn't taken. Because of this it is best to resist the temptation to take chancy shots and instead make sure every shot counts, otherwise a pilot may find themselves making many trips back to base for ammo.


Canon

The first Ultra AutoCannon introduced was the UAC5 in 2640 by the Terran Hegemony. Although the Inner Sphere would completely lose the technology in 2915 due to the destructive Succession Wars the Clans went on to introduce the UAC2, UAC10, and UAC20 in the 2820's. As with the LBX10, the secrets to the UAC5 would be rediscovered in the Inner Sphere with the help of the Helm Core in 3035 and the pressures of the Clan Invasion would lead to them to also introduce the UAC2 and UAC10 in 3057. An Inner Sphere version of the UAC20 didn't appear until 3060.

In Classic BattleTech the Clan versions of the UAC are significantly lighter and more compact in addition to having an advantage in range. Additional weapon characteristics include an ability to switch between standard and ultra firing modes, with the weapon behaving like a Standard AutoCannon while in standard mode and firing twice while in ultra mode. Operating in ultra mode carries a risk that the weapon will burn out and be rendered useless for the remainder of the battle, however.

BattleTech reference

Usage

The following asset equip UACs:


Air UAC2 (C)UAC2 Air UAC5 (C)UAC5 Air UAC10 (C)UAC10 Air UAC20 (C)UAC20

  Inner Sphere

  Clan

  Inner Sphere

  Clan

  Inner Sphere

  Clan

  Inner Sphere

  Clan

  Inner Sphere

  Clan

  Inner Sphere

  Clan

  Inner Sphere

  Clan

  Inner Sphere

  Clan


See Also