Clandestine Military Engineering and Shipbuilding

VL-39 "Linebolt" Railgun
OUT OF CHARACTER INFORMATION
- Intent:
To create a compact, accurate, medium-range railgun as a high-tech upgrade from the VL-32 "Spiker" for starship shield disruption and long-distance fire support - Image Source:
MidJourney - Canon Link:
N/A - Permissions:
N/A - Primary Source:
N/A
PRODUCTION INFORMATION
- Manufacturer:
VektorLine Armatur (Subsidiary of VesperWorks) - Affiliation:
- Serina Calis
- The Lady of Deceit
- VektorLine Armatur
- Atramentum
- Project VESPER
- Market Status:
Closed-Market - Model:
VL-32 "Spiker" Light Autocannon - Modularity:
No - Production:
Minor - Material:
- High-Tensile Durasteel Casing:
The exterior chassis and support housing of the VL-39 are constructed from hardened durasteel reinforced with anti-shock mesh filaments. This provides protection against micro-meteoroid strikes, hull decompression, and the weapon's own internal recoil vibration. It also ensures structural integrity under the stress of sudden energy discharges from the magnetic acceleration coils. - Electrum-Titanium Composite Rails:
The magnetic firing rails are forged from a custom alloy of electrum and titanium, providing both high conductivity and thermal resilience. Electrum enhances the magnetic field distribution while titanium gives the rails the structural strength to withstand the forces generated during each shot. This blend also limits warping and rail degradation during extended use. - Ferrite-Laced Superconductive Coil Assembly:
The core electromagnetic propulsion system is composed of tightly wound, ferrite-infused superconductive coils, allowing near-instantaneous acceleration of slugs with minimal electrical resistance. These coils are nested in a magnetic containment field to ensure stable operation during high-flux transfers. - Ceramic Composite Thermal Guards:
To counter the intense heat generated from repeated high-velocity launches, ceramic composite shielding lines the inner frame surrounding the coils and acceleration rails. These materials are non-conductive, allowing them to contain both heat and flux bleed, and are rated for vacuum exposure and radiation shielding. - Tungsten-Core Sabot Darts (Ammunition):
Each projectile is a high-density tungsten dart, encased in a magnetic-field-reactive sabot sleeve. The sabot peels away upon exiting the muzzle, leaving the core slug to maintain velocity and precision. Tungsten provides the necessary mass and structural integrity to deliver effective kinetic trauma even at extreme speed. - Insulated Magcoil Driver Housing:
The magcoil housing unit is constructed from polythermic alloys and dielectric composites, ensuring electrical isolation from surrounding hull systems. The housing also includes internal redundancy systems to prevent overload discharge, helping the railgun remain stable even during peak flux cycling. - Armaplast Shock-Absorbing Mounts:
The weapon's internal brace points are padded with aramid-reinforced polymer bushings, which dampen recoil and magnetic resonance vibrations between the weapon and the ship's frame. This reduces hull fatigue and keeps the weapon stable on lighter platforms that may otherwise be disrupted by recoil harmonics. - Modular Magnetic Field Channeling Lattice:
Embedded into the barrel and firing assembly is a multi-phase lattice, composed of fine-layered magnetic control materials (including low-conductivity alloys and quantum-calibrated copper). This system fine-tunes each magnetic discharge, improving projectile alignment and increasing shot-to-shot precision.
- High-Tensile Durasteel Casing:
- Classification:
Railgun - Size:
Large - Weight:
Heavy - Ammunition Type:
Solid slugs (tungsten darts) accelerated magnetically - Ammunition Capacity:
Average - Effective Range:
Long Range - Rate of Fire:
Average - Damage Output:
High - Recoil:
Average
SPECIAL FEATURES
- Miniaturized Electromagnetic Acceleration Rails:
The VL-39's core firing system uses a pair of electrum-titanium composite rails to generate an intense magnetic field, launching each dart at extreme velocity without the use of chemical propellants or combustion. This gives the weapon high accuracy, minimal maintenance needs, and improved projectile stability. - Precision Magnetic Flight Stabilization:
Before launch, the weapon's superconductive lattice calibrates spin, acceleration curve, and orientation for each slug using localized magnetic control. This results in extremely consistent shot trajectories, making the Linebolt ideal for long-range precision strikes on targeted subsystems. - High Shield Stress Performance:
Each shot carries enough kinetic energy to strain or collapse most light-to-medium shield generators through sheer velocity and electromagnetic pulse distortion—making it ideal for disabling strikecraft and corvette-class defenses during opening volleys. - Flux Dampening Feedback System:
Integrated capacitors and flux-management nodes regulate the electromagnetic discharge cycle, allowing the railgun to operate without destabilizing the ship's reactor grid. This system prioritizes fire efficiency and protects power-constrained systems from overdraw during rapid engagements. - AI-Integrated Targeting Interface:
Designed to work in tandem with modern gunnery AIs, the VL-39 can use predictive targeting data, shield strain telemetry, and movement heuristics to select optimal firing windows. It performs especially well in precision-focused fire teams or with automated turrets. - Fast Traverse, Lock-on Firing Cycle:
The railgun turret can rotate rapidly and track new targets while not firing, then automatically brace and lock during firing to maximize recoil control and barrel alignment. This system allows rapid target acquisition while preserving precision on discharge. - Thermal Vent Baffle Grid:
A passive thermal regulation system uses layered ceramic heat channels and directed vent baffles to expel residual heat between shots. While not eliminating cooldown periods, this slows coil fatigue and improves longevity during repeated fire sequences. - Semi-Autonomous Cooldown Protocols:
After prolonged operation, onboard diagnostics initiate automatic cooldown cycles, engaging backup capacitors and delaying full shutdown. This feature gives the weapon a "grace window" between overheating and full offline status, ensuring continued combat function in emergencies. - Compact Magazine Housing with Smart Feed:
Though limited in capacity, the magazine system uses a smart feeder that reduces reload delay by automatically orienting each dart's magnetic polarity for firing—essential to maintain coil efficiency and prevent misfires. - Sensor-Concealed Firing Signature:
Electromagnetic baffles and ferro-lattice shielding around the barrel and coil junction suppress most detectable emissions from the weapon. When fired, it produces minimal heat bloom or EM signature—making it ideal for stealth ships, ambushes, or skirmishers looking to avoid detection. - Vacuum-Sealed Component Design:
All moving parts and coil assemblies are internally sealed and radiation-hardened, enabling the VL-39 to function on hull-exposed turrets or outer hardpoints in deep space without environmental degradation or particle fouling.
STRENGTHS
- Exceptional Shield Disruption Capability:
The primary strength of the Linebolt lies in its ability to overwhelm small to mid-grade shield generators. The magnetic acceleration system propels each slug with such velocity and focused kinetic energy that even hardened deflector emitters suffer catastrophic strain on repeated impact. It excels in breaking through energy defenses before heavier ordnance is deployed. - High Precision at Medium to Long Range:
With electromagnetic flight stabilization and rail-calibrated spin control, each slug is launched with extreme consistency. This grants the Linebolt impressive accuracy over distance—ideal for striking specific subsystems (e.g., engines, weapon mounts, sensor nodes) rather than relying on saturation fire. Gunnery officers favor the VL-39 when exactitude is more valuable than brute force. - Silent, Low-Profile Firing Signature:
The weapon emits minimal electromagnetic and thermal signatures when discharging, making it difficult to detect via standard ship sensors. This makes the VL-39 a favored weapon on stealth platforms, ambush ships, and scout corvettes that require lethality without sacrificing discretion. - Fast Turret Traverse When Idle:
Unlike older kinetic weapons that are always heavy to rotate, the VL-39 features a decoupled stabilization system that allows the turret to rotate rapidly and lock onto targets while not firing. This gives it superior target acquisition speed compared to conventional railguns of similar size. - Minimal Mechanical Jamming Risk:
Because the weapon has no chemical propellants, no moving breech blocks, and a magnetically sealed firing assembly, the risk of jamming or misfire is virtually nonexistent. This makes it highly reliable in zero-atmosphere environments or after sustaining damage to surrounding systems. - Energy-Based Launch Reduces Ammunition Logistics:
Unlike traditional slugthrowers or autocannons that rely on physically cycled propellant-based rounds, the Linebolt only requires a stack of ferrite-cased tungsten darts and a functioning reactor. No powder, no casings, and less mess to maintain. Ammunition is lighter, more compact, and easier to fabricate. - Modular Compatibility With Targeting AIs:
The VL-39 integrates seamlessly with most modern fire-control systems, benefiting from predictive targeting, threat prioritization algorithms, and fleet-wide firing solutions. When slaved into an AI-gunner suite, it can serve as a surgical strike weapon in coordinated fleet actions. - Vacuum-Rated, Externally Mountable:
Every component of the VL-39 is sealed against the vacuum of space, meaning it can be mounted on external hulls, rotating turrets, or even in undercarriage pop-up weapon bays. It is rated for exposure to cosmic radiation, temperature extremes, and dust from planetary atmospheric entry. - Excellent Synergy with Hit-and-Run Doctrine:
The Linebolt's precision and high single-shot impact make it an ideal choice for ships using ambush, stealth, or harassment tactics. It allows light strike vessels to disable targets and disengage before reprisal—reducing dependence on sustained engagements or support fire. - Minimal Maintenance Downtime:
The railgun's internal systems are self-regulating, with smart thermal venting, magnetic field harmonizers, and coil diagnostics. It requires far less crew maintenance between volleys or post-battle, which is critical for long-range patrols or deep space operations far from drydock.
WEAKNESSES
- High Reactor Strain:
The electromagnetic acceleration system demands a significant power draw with every firing cycle. On vessels with limited energy budgets, frequent Linebolt use may overload the ship's power systems, forcing cutbacks on shields, sensors, or other weapons. It performs best on ships with dedicated flux reserves or high-capacity reactors. - Low Rate of Fire Compared to Autocannons or Energy Weapons:
While precise, the Linebolt's magnetic discharge system requires a full capacitive recharge between shots. This results in notably lower rates of fire, making it ineffective against swarms, high-speed attackers, or sustained close-range brawls where volume matters more than accuracy. - Cooldown Bottlenecks After Sustained Use:
The superconductive coils and internal acceleration rails build up heat and magnetic stress with repeated firing. Without breaks between volleys, the weapon initiates auto-cooling cycles that temporarily reduce its effectiveness—or fully suspend operation to prevent catastrophic failure. - Limited Ammunition Capacity (Space-Efficient but Small Volume):
While railgun darts are compact, they require special alignment sleeves and magnetic casings. This limits the number of rounds carried internally, especially on smaller vessels. Ships running a Linebolt must carefully manage their shots and plan for finite ammunition during extended sorties. - Ineffective Against Heavy Armor:
Though devastating to shields and light hulls, the Linebolt lacks the kinetic mass to threaten capital-class armor plating or high-density composite hulls. Against cruisers, dreadnoughts, or heavily reinforced stations, it serves best as a support weapon rather than a kill solution. - Turret Locks During Firing:
While fast to traverse when idle, the Linebolt automatically locks in place when firing to maintain accuracy and absorb recoil. This makes it vulnerable to fast-moving targets that change course mid-volley or strike from unexpected angles. - Energy-Hungry Ships Only:
The Linebolt's reliance on stored energy rather than chemical propulsion limits its use to ships with reliable and excess reactor output. It is effectively unusable on older vessels, stripped-down pirate craft, or small ships with overtaxed systems. - Poor Close-Range Performance:
At knife-fight distances, the Linebolt suffers. Its slow fire rate, turret lock, and precision firing sequence make it a liability when facing fast-moving dogfighters, boarding craft, or missile salvos. It is not a point-defense tool, and ships relying on it exclusively will be exposed in close combat. - Expensive to Manufacture and Maintain:
The high-grade superconductive coils, rare metal components, and calibrated firing rails make the VL-39 costly to produce. Field repairs require skilled technicians and proprietary parts, limiting its appeal in less developed sectors or among low-tech forces. - Overkill for Some Targets:
The Linebolt's high-powered precision shot is wasted on many targets—such as individual drones, low-threat fighters, or debris clusters. Its firepower is surgical, but inflexible. Ships relying too heavily on Linebolts may find themselves without the proper tool for simpler threats.
DESCRIPTION
The VL-39 "Linebolt" Railgun is the apex refinement of VektorLine Armatur's doctrine of precision over volume. A direct successor to the VL-32 "Spiker" Light Autocannon, the Linebolt represents a shift away from mechanical kinetic fire and toward the next evolutionary plateau of battlefield lethality: magnetic dominance through surgical impact.Developed in response to the rising sophistication of starfighter shields and the proliferation of mobile deflector arrays on light warships, the Linebolt was designed from the ground up to excel where conventional ballistics began to fail. Rather than saturating the void with mass, it delivers a single, decisive, accelerated projectile, propelled by compact railgun technology miniaturized for turret use aboard smaller craft.
Each shot from the Linebolt is a precision-engineered event. A ferrite-cased tungsten dart is drawn into alignment within the twin electrum-titanium rails. In a flash of controlled flux, the projectile is flung at velocities impossible for chemical weapons to replicate. No fire, no noise—just a sharp crack across the void and the immediate, concentrated stress of impact that buckles shield emitters, overcharges capacitor arrays, and collapses unreinforced field geometry. The target never sees it coming—only registers the drop in shielding and the rupture of a subsystem they thought was safe.
But this performance comes with cost. The VL-39's reliance on magnetic acceleration demands significant energy reserves. While it removes the need for volatile propellants and complex breech assemblies, it instead places stress on the ship's power grid—particularly flux-hungry ships that already juggle shields, ECM, and other advanced systems. It is a weapon that trades logistics for elegance, brute force for perfect strikes. It is not for the unprepared.
On the battlefield, the Linebolt has carved out its niche. It thrives in shield-breaking, subsystem-targeting, and long-range harassment roles, and finds itself commonly mounted on stealth corvettes, electronic warfare frigates, and advanced patrol ships where alpha strikes matter more than sustained engagements. It is also a favorite among Sith-aligned naval units operating in the outer reaches—where Serina Calis' doctrine of indirect power projection rewards ships that can strike first, strike cleanly, and vanish before retaliation.
Ammunition is compact, caseless, and smart-fed via insulated magazines. The internal cooling systems and vent baffles regulate coil temperature and discharge stability, but gunners must still manage pacing: overheat the rails, and the system locks into cooldown, or worse, field shutdown. Inexperienced crews who treat it like an autocannon soon learn the cost of impatience.
Visually, the Linebolt is stark and smooth—its rectangular barrel casing, embedded rails, and shock-mounted turret base all whispering of modernist design and purpose. It looks like it belongs to a ship that was built, not born. A ship that calculates every breath of heat and light. A ship that kills not because it must… but because it chooses to do so, at the perfect moment, from the perfect distance.
Out Of Character Info
Intent:
To create a compact, accurate, medium-range railgun as a high-tech upgrade from the VL-32 "Spiker" for starship shield disruption and long-distance fire support
Image Source(s):
https://www.midjourney.com/
Canon Link:
N/A
Permissions:
N/A
Primary Source(s):
N/A
Technical Information
Affiliation:
Serina Calis, The Lady of Deceit, VektorLine, Armatur Atramentum, Project VESPER
Model:
VL-32 "Spiker" Light Autocannon
Modular:
No
Effective Range:
Long Range
Rate of Fire:
Single Shot
Material:
Durasteel, Electrum-Titanium, Ferrite, Cermaic, Tungsten, Magcoils, Armaplast/Armorplast
Ammunition Type:
Solid Tungsten Slugs
Ammunition Capacity:
Average
Damage Output:
High
Recoil:
Average
Ranged Class:
Other