GTW Akheton SDG

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The Akheton SDG, or Subsystem Disruption Gun, is a tactical weapon developed by the Vasudans. Unlike other guns, the SDG does no hull damage at all: rather, it only destroys subsystems and turrets of the target. This has obvious utility in disarming or disabling operations. The SDG also does a moderate amount of shield damage to small craft. However, the weapon's high energy requirements and low rate of fire make it an undesirable choice for dogfighting.


Weapon Comparison Table, FS1


Weapon Comparison Table, FS2

The Akheton SDG

Tech Room Data

The Vasudan-made Akheton SDG Advanced Disruptor was a direct result of the phenomenal success of GTA disruption weaponry in the Great War. The GTW-41x Advanced Disruptor subsequently underwent a retrofit and was pushed into mass production. With the exception of the Subach HL-7, more SDG units have been produced by the GTVA than any other weapon in history. The SDG is notorious for its demanding power requirements.



Range 750 m
Rate of Fire 2.86 shots per second
Velocity 500 ms-1
Base Damage 30
Armor Damage None 0
Shield Damage Average 15
Subsystem Damage Full 30


The following table refers to weapons compatibility in singleplayer, and does not reflect the compatibility of dogfight variants in multiplayer. A ✓ mark indicates that a ship can mount the weapon, whereas an ✗ mark indicates that it cannot.

Terran Compatibility Vasudan Compatibility
Ship Class Compatible Ship Class Compatible
GTF Ulysses GVF Thoth
GTF Loki GVF Serapis
GTF Hercules GVF Horus
GTF Hercules Mark II GVF Seth
GTF Myrmidon GVF Tauret
GTF Perseus GVF Ptah
GTF Pegasus GVB Osiris
GTF Erinyes GVB Bakha
GTF Ares GVB Sekhmet
SF Mara (Terrans)
GTB Zeus
GTB Medusa
GTB Artemis (Inc. D.H.)
GTB Ursa
GTB Boanerges


Veteran Comments

Please read the Veteran Comments policy before editing this section.

If you're a pilot who likes to disable the turrets of enemy warships whenever the opportunity arises, even if it's not one of your assigned mission goals, you might wish to take the Akheton. In general, however, there are plenty of other weapons that do the job just as well and have the additional advantage of causing some hull damage. Unless the mission specifically calls for a target to be disabled with minimal damage, or it's a freighter/transport/something-else-that-might-explode-if-sneezed-on, one should leave the SDG at home.

The SDG is a surprisingly bad energy hog and will drain your power dry with startling ease. Be prepared to devote extra power to weapons if you want to do sustained firing.

Surprisingly capable of disabling shields, but the massive energy drain disallows it from this role.

This weapon has a short firing range compared to the most other primaries and is largely replaced by the long-range Maxim Cannon later in the game for cruiser disarmament.