Flamethrower turret

Flamethrower turret

Edit

Recipe
20 + 5 + 15 + 10 + 30 → 1
Total raw
32.5 + 5 + 40 + 30
Map color
Fluid storage volume	Fuel buffer: 100 Pass-through pipe: 100
Health	1400 1820 2240 2660 3500
Resistances	Fire: 0/100%
Stack size	50
Range	Minimum: 6 Maximum: 30 (Limited 120° arc)
Shooting speed	30/s
Damage	Contact damage: 3 fire Fire on the ground: 13/s fire Ignited objects: 100/s fire Ignition duration: 30 39 48 57 75 seconds
Area of effect size	2.5
Ammunition
Dimensions	2×3
Fluid consumption	3/s
Mining time	0.5
Prototype type	fluid-turret
Internal name	flamethrower-turret
Required technologies
Boosting technologies
Produced by
Fire on the ground lasts 2 seconds. Area of effect size applies to igniting objects and contact damage.

Flamethrower turrets work similarly to the flamethrower, setting enemies and the ground on fire and doing damage over time. Unlike gun turrets and laser turrets, they have a limited firing arc, and should therefore be placed at choke points or behind walls. They can use crude, heavy, or light oil as ammunition, which must be provided via a pipe connected to the turret.

Mechanics

Flamethrower turrets gain a damage bonus depending on the type of oil supplied to them. This bonus is multiplicative, it stacks with the bonus damage from research.

Ammunition	Effect
Crude oil	100% Damage
Heavy oil	105% Damage
Light oil	110% Damage

Unlike the laser and gun turrets, flamethrower turrets do not have a instantaneously hitting projectile, instead firing a stream of flame directly at where the target was at the time of firing. This means that they have a tendency to miss the targeted biter in an attacking group, instead hitting the ones behind.

Flamethrower turrets are very powerful because biters and spitters do not have fire resistance and the total 3000 damage dealt to ignited enemies is a guaranteed death sentence for almost anything in the game. An enemy unit is ignited if it is hit directly by a flame stream. Flamethrower turrets will target the closest non ignited enemy and then once all enemies within range are ignited they will target the closest enemy.

The bonus technologies and fuel damage bonus for the flamethrower turret improve the contact damage and damage dealt by fire on the ground. The bonus technologies also affect the damage dealt to ignited enemies, which lasts 30 seconds and deals 100 damage per second without upgrades.

While it is not apparent from the damage bonus descriptions, the flamethrower turret benefits from the damage bonus for the flamethrower turret and the damage bonus for flamethrower ammo, applied multiplicatively, e.g. with the first level of refined flammables it receives a +44% bonus, not +20%, with all pre-space upgrades it receives +576% damage, not +160%. This is because the flamethrower turret is defined as using "flamethrower" type ammo and it allows the damage output of the flamethrower turret to keep up with laser and gun turrets, which also benefit from two or more separate upgrades.

Flamethrower turrets create fire on the ground which lasts 2 seconds by default. If the turret keeps firing at that spot, the size of the fire increases, it will last up to 30 seconds and its damage is increased up to 6 times, depending on how long the turret keeps firing at that spot. Multiple flamethrower turrets firing at the same location do not cause the fire to intensify faster as there is a 4 tick cooldown between intensity increases, while even a single flamethrower turret fires every 2 ticks.

An object will be damaged by all the fire patches it is contacting potentially multiplying the damage from the fire several times.

Fire resistance

At a glance it's not easy to see how fire resistance is applied to flamethrower damage, as this requires knowing precisely how the damage is applied.

• Direct splash damage: Deals 3 damage 30 times a second.
• Fire sticker: Deals 16.67 damage 6 times a second.
• Fire patch: Deals 13 damage 6 times a second when fully intensified.

These damages are increased by the refined flammables tech and liquid damage bonus.

Spawners and larger worms have 3 flat fire resist, which mostly negates the direct splash damage but not the damage from intensified fire patches.

Tanks, trains and spidertrons have 15 flat fire resist which negates the direct damage, at low levels of refined flammables this also mostly negates the damage from fire patches, but at higher levels these vehicles become very vulnerable to the flames, becoming particularly vulnerable at around refined flammables 4 when the fire patches are inflicting 46.9 damage of which only a third is negated by the flat fire resist.

In Space Age, flamethrowers are considered burner devices and therefore cannot be placed on space platforms. Even if they could be placed, asteroids have 100% fire damage resistance.

Pentapods on Gleba have no damage resistances to flamethrowers. While flamethrower turrets are not hitscan, they can still do sizeable damage to even the larger pentapods enemies. As on Nauvis, they are particularly effective against large groups of enemies.

The demolishers on Vulcanus have 100% fire resistance.

History

• 2.0.7:
  • All turrets (except for artillery) can now be configured individually to prioritize certain types of enemies when looking for targets.

• 0.17.33:
  • Added out of fuel alert icon to flamethrower turrets.

• 0.13.0:
  • Introduced.
  • Damage upgrade technology introduced.

See also

• Gun turret
• Laser turret