torpedo system

The vessel's primary armament is based around a system of railgun-launched self-guided missles referred to as torpedoes. 

These torpedoes use the kinetic energy created by their high velocity (tens of thousands of kilometers per second at launch) to penetrate target hulls, where a fused secondary charge ignites remaining guidance-system propellant to create an explosion and shrapnel, damaging the target's vulnerable inner compartments.

Operation

The torpedo system is designed as a multiple-purpose tactical delivery platform.

Guidance Systems

Torpedoes are equipped with multiple guidnace systems which operate during different flight modes which apply at different stages of the torpedo's deployment. Thses systems are capable of tracking target course changes, allowing the torpedo to change its own heading accordingly using its RCS system.

Targeting Assistance Data Transmission

Torpedoes are provided with target information immediately before launch by the vessel's target acquisition system. The torpedo continues to receive more detailed target information from the vessel than it's onboard guidance system can generate, via a constrained-beam high-frequency link (referred to as a 'wire'). 

The highly targeted nature of this link makes it difficult to jam and intercept, but the need for strict line-of-sight means that any significant course changes by the vessel or torpedo will break the link. Link transmitters mounted near each launcher are capable of dynamically adjusting the direction of transmission to compensate for course changes made by the torpedo.

Independent Passive Guidance

guidance systems which use a small EMDAR array to scan selected EM profiles useful for tracking targets.

Active Guidance

Torpedoes also include a basic RADAR system, which is typically not used until late in deployment to reduce the target profile presented by the torpedo to countermeasure systems.

This link is also capable of transmitting control data, including a change of target.

Reaction Control System

Torpedoes are equipped with a small Reaction Control System (RCS) used to make course changes requested by the guidance system.

The RCS is made up of a small chemical rocket engine with directional control provided by a servo-controlled output nozzle.

As the torpedo's main velocity is momentum-based (with the initial momentum provided by the railgun launcher), only relatively course corrections to the original heading can be made without adversely impacting velocity. 

Ordnance Configuration Options

Torpedoes use standardised flight casings into which a number of configurable ordnance and sensor options can be fitted, which allows the torpedo launch system to also deploy remote scientific probes.

Warhead Options

Different warheads can be fitted to torpedoes to suit tactical requirements.

Standard Armour-Piercing Configuration

The standard torpedo configuration consists of an armor-piercing casehead and a fused secondary explosive charge designed to ignite remaining RCS propellant and convert the torpedo case into shrapnel to damge interior compartments once the target hull has been penetrated.

Interchangeable Mission Packs

Different sensor packs can be fitted to torpedoes to suit tactical or other operations requirements.

Tactical Sensory Packs

The standard tactical sensory pack passively scans for target EM, heat and exhaust plasma emissions and can also actively scan using RADAR.

Operations Sensory Packs

A number of sensory packs can be fitted to convert torpedoes into probes. The standard sensor-pack compartment in the torpedo case is augmented by the addition of another compartment fitted in place of the warhead, to make room for extra sensory and processing equipment.

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