Autocannon turret

Autocannon turret

"A heavy automatic turret. Its large-caliber shells do heavy damage over significant ranges, but its barrel must be refurbished after use. It cannot fire at close-up targets, and may explode when damaged."

Base Stats

Type

Security

Market Value

1270  ^[Note]

Mass

100 kg

Beauty

-20

HP

380

Flammability

70%

Building

Size

2 × 2

Placeable

Yes

Cover Effectiveness

50%

Power

-150 W

Ranged Combat

Mode

Burst

Damage

25 dmg

Armor penetration

37.5%

Cooldown

210 ticks (3.5 secs)

Range

32.9 tile(s)

Minimum Range

8.9 tiles

Accuracy

25% - 65% - 60% - 45%

Velocity

88 (m/s)

Burst Count

3 (per burst)

Burst Ticks

17 ticks (0.28 secs)
(211.76 RPM)

DPS

18.44

Stopping power

0.5

Creation

Skill Required

Construction 6

Work To Make

15,000 ticks (4.17 mins)

Resources to make

350 + 40 + 6

The autocannon turret is a defense structure that fires a burst of medium-damage shells. It has a maximum range of 32.9 tiles, but a per-tile accuracy of only 96% and cannot hit enemies within an 8.9 tile radius. Despite its damage, the autocannon's stopping power is almost non-existent, not even being able to stagger humans - the same is also true for the uranium slug turret.

Since autocannons are large 2x2 structures, ranged attacks are twice as accurate against them. However, autocannons also benefit from being put behind sandbags which mitigates this accuracy bonus.

It is built with  350 Steel,  40 Plasteel,  6 Components and takes 15,000 ticks (4.17 mins) to build.

After firing 90 rounds it requires a barrel change, costing:

• 90 steel in Peaceful and Base Builder difficulty
• 135 steel in Medium difficulty
• 180 steel in Rough difficulty and above

Autocannon turrets have a chance to explode when they drop below 20% health, dealing damage to everything in a large radius.

Radius of autocannon turret explosion. Note the slight offset from the 'true' center of the turret.

Usage

It can be useful in killboxes where it is more likely to hit, by bringing enemies closer together and putting them in range, but otherwise its use is not cost-effective in an open field as its low accuracy makes it unlikely to land shots at range, and it costs quite some steel for each shot.

Due to their damage output, autocannons can be effective at mowing down lancers when grouped, provided you can lure them within its effective range, otherwise the autocannons will have trouble hitting them. Autocannons are also somewhat effective at dishing out damage against large targets such as centipedes since the accuracy bonus from their body size significantly offsets the autocannon's lower accuracy, though centipede weapons can make relatively short work of autocannons too.

Visualization of effective turret range of all three turrets, from uranium slug turret (top), to autocannon turret (middle), to mini-turret (bottom).
Green is 80 - 100% of peak accuracy, blue is 50 - 80% of peak accuracy, red is below 50% of peak accuracy and grey is outside range. Gold tiles are spaced every 5 tiles. Values from 1.0.

Version history

• Beta 19/1.0 - added.
• 1.1 - its damage and armor penetration was halved (40 -> 20, 60% -> 30%), and the reload cost was increased (120 -> 180 baseline).
• 1.1.2618 - damage and armor penetration was increased (20 -> 25, 30% -> 37.5%).

---

Architect

Security

Barricade • Sandbags • Spike trap

(research)

Autocannon turret • Foam turret • Mini-turret • Rocketswarm launcher • Uranium slug turret • Mortar

IEDs

IED trap • IED incendiary trap • IED EMP trap • IED firefoam trap • IED smoke trap • IED antigrain warhead trap • IED tox trap • IED deadlife trap

Related

Antigrain warhead • EMP shell • Firefoam shell • High-explosive shell • Incendiary shell • Smoke shell • Tox shell • Deadlife shell