Item: Universal Coolant System

Effect / Mechanics

When installed, this advanced cooling system grants a starship +2 System Strain capacity and allows the crew to safely vent the heat from one catastrophic critical hit per engagement.

Drawback: For every massive heat spike absorbed (or every 3 System Strain accrued), the coolant’s axion mass increases dramatically. The ship takes a cumulative -1 penalty to Maneuverability/Speed until the coolant can be purged, recycled, or the axion mass decays safely out of combat. If the ship undergoes extreme acceleration while burdened with heavy sludge, the pilot must make a piloting check to avoid structural damage to the peristaltic pumps.

Description

In its resting state, the fluid is a sluggish, silver-black liquid that hums faintly with magnetic tension, feeling unnaturally heavy for its volume. When heated, it becomes visibly denser, darker, and almost entirely opaque, resembling a thick, gravity-warping sludge that bends ambient light just slightly around the clear reinforced piping.

Origins

• Source: Trask Intermediaries / Coross III
• Notes: Produced in the high-stress, magnetically extreme orbital foundries above the gas giant Coross III.

Production

The production of the Axion-doped Bismuth Ferrofluid coolant requires massive energy and specialized materials. The process starts with refining liquid bismuth. In sterile, zero-gravity vats, the liquid metal is seeded with lab-grown Bismuth Selenide topological nanoparticles. These nanoparticles are coated in a thiol-terminated carborane-siloxane polymer surfactant, a compound highly resistant to extreme heat, which forces the particles to arrange into a perfect, three-dimensional magnetic grid suspended throughout the metal base.

The crucial final step is the “ignition” of the fluid’s quantum state. The seeded bismuth is passed through a multi-kilometer-long superconducting magnetic ring and bombarded with intense thermal radiation. To power this, orbital foundries drag 400-km long conductive tendrils through the gas giant’s upper magnetosphere. Operating as electrodynamic tethers, these cables generate terawatts of localized power, creating the violent magnetic interaction that aligns the nanoparticles and prepares the fluid’s localized Primakoff effect. Because the fluid will dynamically gain mass during operation, standard pumps are useless. Foundries package every coolant loop with heavy-duty electromagnetic peristaltic pumps to squeeze the super-heavy sludge through the plumbing.

Notable production sites:

• Coross III