Phase Drive

The Phase Drive is a faster-than-light (FTL) propulsion system that enables travel through *phased space*—a resonant dimensional layer known in Prosian as Nilita’fen, or *the Flow of Light*.

Unlike localized Transit Window gateways, the Phase Drive generates a self-contained phase field envelope that carries a ship across interstellar distances while remaining partially decoupled from normal spacetime.

The most advanced design in current use is the Meras-type High-Frequency Phase Drive, first installed aboard the Scavenger DX-1017 in Story 1: The Phoenix from the Scrapyard.

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Overview

A Phase Drive does not propel a ship in the classical sense.

Instead, it alters the vessel's resonance relative to spacetime, allowing it to move within Nilita’fen where relativistic limits do not apply.

Within a phase field:

• External spacetime remains largely undisturbed
• Light behaves as a compressible medium
• Distance contracts relative to oscillation frequency
• Inertia is decoupled from classical acceleration

Motion is achieved through controlled repulsion and field shaping, not thrust.

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The Meras Drive

The Meras Drive marked a generational leap beyond earlier Phase propulsion systems.

Prior to Annuli 3420, all Phase-capable vessels used so-called Proto-Phase Drive—experimental, unstable systems developed independently by multiple Alliance and Prosian engineering groups. These early drives could enter phased space but lacked consistent field control, suffered from severe Phase Drift accumulation, and posed significant risks to both crews and Phase-native lifeforms.

Dr. Meras did not invent Phase travel. His contribution was the development of a stable, repeatable architecture that separated phase field generation from repulsive motion, allowing controlled high-frequency operation without catastrophic resonance effects.

The first fully operational Meras-type Phase Drive entered Alliance service in Annuli 3420.

When Alliance testing was suspended following unexplained disappearances and Phase Being disturbances, one surviving core was decommissioned. It was later salvaged and rebuilt by Captain Elan Drex and his crew, becoming the foundation for modern, safe high-frequency phase travel.

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Principle of Operation

A Meras Phase Drive consists of two primary functional assemblies:

1. Phase Field Cylinder (Forward Section)

The cylindrical forward section contains a lattice of Relenium, a composite alloy formed from several mid-rarity elements.

• Relenium interacts with:

 ** Interstellar gases
 ** Exotic particles

• These interactions generate the phase field envelope

• The envelope decouples the ship from normal spacetime

Relenium creates the phase state but does not produce motion.

A vessel inside the envelope is no longer constrained by the speed of light outside the field.

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2. Repulsion Sphere (Aft Section)

The rear section houses a large, glowing spherical core of Relekorium.

• Relekorium generates a repulsive phase pressure
• The field pushes against:

 ** Residual interstellar gases
 ** Exotic particle gradients
 ** Local gravitational wells

Movement is achieved by repelling the ship forward through the phase medium, not by pulling or accelerating.

A web of copper navigation coils surrounds the sphere, shaping field permeability and directing travel vectors through asymmetrical repulsion.

Behind the sphere is a distinctive wave suppression cone. During operation, the Relekorium core generates powerful oscillatory phase pressures. Without corrective geometry, these oscillations can reflect within the drive structure and create standing waves, producing localized energy concentrations and field instability.

The cone disrupts these reflections before coherent standing-wave patterns can form. It redirects residual phase energy into controlled dispersion paths while smoothing the flow of particles and harmonics leaving the drive assembly.

Benefits include:

• Elimination of standing-wave formation
• Improved harmonic stability
• Reduced phase turbulence
• Greater efficiency during sustained high-Z travel
• Lower long-term Phase Drift generation

The wave suppression cone is considered a critical safety and performance component of all modern Meras-type Phase Drives.

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Harmonic Stability

One of the major breakthroughs of the Meras Drive was the control of resonance effects inside the propulsion assembly.

The interaction between the Relenium phase envelope and the Relekorium repulsion field naturally produces oscillatory energy patterns. If left unmanaged, these patterns can reinforce themselves and create standing waves within the drive structure.

Standing waves were a significant problem in early Proto-Phase Drives and contributed to:

• Resonance collapse events
• Unstable corridor formation
• Increased Phase Drift
• Premature component failure

Modern Meras drives employ carefully shaped field geometries, navigation coil modulation, and the aft wave suppression cone to prevent standing-wave formation and maintain stable phase harmonics.

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Phase Drift

Phase Drift is a residual spatial instability created by repeated or concurrent Phase Drive usage within the same region of space.

Phase Drift is:

• Not propulsion
• Not a weapon
• Not a navigational shortcut

It is an after-effect.

Repeated excitation of exotic particles and interstellar gases leaves behind minor misalignments between normal spacetime and adjacent phase layers. While harmless to conventional vessels, Phase Drift degrades navigational precision and destabilizes future phase transitions.

Operational consequences include:

• Increased SNS recalculation requirements
• Mandatory cooldown windows for high-Z corridors
• Reduced tolerance for precision phase exits

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Navigation and Control

Phase navigation relies on the Star Naming System (SNS), which maps verified safe corridors and exit vectors.

Navigation is achieved by:

• Shaping Relekorium permeability
• Biasing repulsion gradients
• Maintaining harmonic stability

On the Scavenger, the AI Sariel manages real-time harmonic correction and Phase Life Protection tuning.

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Interaction with Phase Beings

High-frequency phase oscillations can interfere with Phase Beings, sentient entities native to Nilita’fen.

Dr. Meras introduced a Phase Sentience Buffer (PSB), a combination of software and crystalline hardware that modulates the drive's energy signature to coexist safely with these lifeforms.

Failure to maintain PSB calibration has been shown to:

• Distress Phase Beings
• Destabilize corridors
• Trigger severe phase turbulence

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Fighter Doctrine and Phase Policy

Short-range craft such as Aheiki fighters do not carry Phase Drives.

Reasons include:

• Fighters operate within carrier-defined engagement volumes
• Phase Drives are mass- and power-intensive
• Multiple small phase transitions would amplify Phase Drift
• Conventional propulsion is more precise in stabilized space

The carrier moves the battlefield.

Fighters operate inside it.

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Materials

• Relenium – Enables phase envelope formation; mid-rarity composite alloy
• Relekorium – Produces repulsive phase pressure; interacts with gravity wells
• Relekorium-G – Variant used in gravity plating and inertial systems

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Dangers and Limitations

• Resonance collapse
• Phase sickness
• Gravitational shear
• Phase Drift saturation
• Ethical violations of Phase Life Protection law

No Phase Drive may engage within 0.2 AU of a gravity well or within 10 million km of a populated world.

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Nilita’fen (The Flow of Light)

Nilita’fen is a luminous, elastic domain where time and distance behave nonlinearly.

Navigators often describe it as:

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Variants

• Proto-Phase Drive
• Meras-Type Drive
• Deep-Range Array
• Tonan Phase Array (see Tonan Phase Weapon)

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See Also

• Star Naming System (SNS)
• Transit Window
• Quantum Entrainment Technology (QET)
• Tonan Phase Weapon
• Nilita’fen
• SS Scavenger DX-1017