Rumble Cannon (Apocalypse)

A powerful cannon which fires explosive shells over large distances. Its effectiveness is limited to static or slow moving targets.  From: Apocalypse Ufopaedia

Rumble Cannon

Weight: 140 Size: 4 × 4 Accuracy: 75% Fire Rate: 5.14/sec Firing Arc: 90º left/right Firing Arc: 90º up/down Range: 250m Range Max: 650m Style: road Manufacturer: Megapol Available: Week 1 Base Price: $1,000 Minimum Weekly Stock: 3 Maximum Weekly Stock: 8 Storage Space: 160 Damage: 34 Projectile Speed: 20 Ammo Capacity: recharges

Note: the UFOpaedia image (right) is an error. A Plasma Turret Cannon is shown in-game. The Equip Screen image (left) is correct and shows a Rumble Cannon.

A cannon suited only to the Griffon AFV. A short ranged but powerful weapon which recharges with a limited forward firing arc.

X-COM: Apocalypse\Vehicles\Vehicle Equipment
Air
Weapons	40mm Auto-Cannon Bolter 4K Laser Gun Lancer 7K Laser Gun Rendor Plasma Gun Lineage Plasma Cannon Plasma Multi-System Janitor Missile Array Prophet Missile Array Justice Missile Launcher Retribution Missile Launcher Laser Defense Array Plasma Defense Array Light Disruptor Beam Medium Disruptor Beam Heavy Disruptor Beam Disruptor Bomb Launcher Disruptor Multi-Bomb Launcher Stasis Bomb Launcher
Engines	SD Standard SD Deluxe SD Sports SD Turbo SD Elite SD Special
Ground
Weapons	40mm Auto Cannon Turret Airguard Anti-Air Cannon GLM Array Plasma Turret Cannon GLM Air Defense Rumble Cannon
Engines	Metro Roadhog Metro Roadgrav Metro Turbograv Metro Powergrav Metro Multipower Plus
Shared
Devices	Weapons Control System (Light, Medium, Heavy, Advanced) Transport Module (Cargo, Passenger, Bio-Transport) Small / Large Disruption Shield Missile Evasion Matrix, Cloaking Field Teleporter