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The drone cannon Ex-B, is a unique weapon in the Fallout 3 add-on Mothership Zeta, carried by the experimental weapons drone.

Characteristics[]

Drone cannon Ex-B is an experimental version of the standard drone cannon used by guardian drones. The Ex-B fires an energy ball with an arcing trajectory, and the fired projectile is capable of ricocheting off of solid objects once.

Similar to the drone cannon it is ineffective in V.A.T.S. because the trajectory and ability to ricochet is not taken into account. Instead the projectile will be fired in straight line, which typically will leave projectiles several meters away from their intended targets.

Durability[]

The drone cannon Ex-B can successfully fire about 417 times from full condition before breaking; the same amount as a normal drone cannon.

Variants[]

Comparison[]

Legend 
Weapon name (current weapon is highlighted)- Weapon name (melee or unarmed)Attacks in V.A.T.S.- Attacks in V.A.T.S.
Weapon name (current weapon is highlighted)- Weapon name (gun, energy or explosive)Action point cost- Action point cost
Damage per attack (damage per projectile)- Damage per attack (damage per projectile)Damage per action point- Damage per action point
Damage per second- Damage per secondWeapon spread- Weapon spread
Area of effect damage- Area of effect damageMagazine capacity (shots per reload)- Magazine capacity (shots per reload)
Effect damage & duration- Effect damage & durationDurability (number of attacks before breaking)- Durability (number of attacks before breaking)
Bonus effects- Bonus effectsWeight- Weight
Attacks per second- Attacks per secondValue in caps- Value in caps
Critical chance % multiplier- Critical chance % multiplierValue to weight ratio- Value to weight ratio
Critical damage- Critical damageSkill required- Skill required
Critical effect damage & duration- Critical effect damage & durationStrength required- Strength required
With all mods attached- With all mods attached
Weapon name (current weapon is highlighted)Damage per attack (damage per projectile)Damage per secondArea of effect damageBonus effectsAttacks per secondCritical Chance % multiplierCritical damageAction Point costDamage per action pointWeapon spreadMagazine capacity (shots per reload)Durability (number of attacks before breaking)WeightValue in capsValue to weight ratio
Drone cannon 40
466.7100Timed detonation3.33x150304.70.51417181999111.1
Drone cannon Ex-B 40
466.7100Impact detonation3.33x150304.70.51417181999111.1

Location[]

In the southern area of the weapons lab, there is a room where one can use a nearby button to spawn-in brahmin for the drones to kill (not the room next to the shooting range, but the room next to the weapons cache). Enter the room and destroy the drone for the weapon. There is also a second one in the same room that is automatically activated when the first is destroyed.

Bugs[]

  • PCPC Playstation 3Playstation 3Playstation 3 Xbox 360Xbox 360 When shot, the projectile will occasionally pass through walls or the floor and do nothing. [verified]
  • PCPC Playstation 3Playstation 3Playstation 3 Xbox 360Xbox 360 In some accounts, when shot, the projectile will just disappear as soon as it hits the target, damaging it but not exploding. [verified]
  • PCPC Xbox 360Xbox 360 When shot into deep water, the projectile will disappear, and then reappear and seemingly "float" in place on the surface without exploding. Projectiles fired onto the floating projectile will attach and stack, also without exploding. [verified]
  • PCPC Playstation 3Playstation 3Playstation 3 Xbox 360Xbox 360 In V.A.T.S. mode, the Ex-B seems to aim like a normal drone cannon, landing short of the enemy as if expecting the projectile to bounce. [verified]
  • Playstation 3Playstation 3Playstation 3 On some occasions, the cannon will fire the projectile but will bounce off surfaces and not explode. [verified]

Sounds[]

SingleShotVB ReloadVB
JamVB

Gallery[]

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