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Post Earth Saga
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Datafile - Coloniser
Last Updated: 2008-08-28

The coloniser ships were a class of vessel that were used to carry large populations of colonists over the vast gaps between the stars with a view to colonising distant planets.

Contents
1.  Early Colonisers
2.  EPW-1 Coloniser
3.  EPF-1 Colonisers
4.  EPF-2 Colonisers
5.  EPF-3 Colonisers


Early Colonisers


The early colonisers were built during the time of the Mars Terraforming process. They consisted of a large bio-dome containing a city with a drive unit attached beneath. On arrival at a destination planet the ships would use limited thrusters to perform a controlled landing. Due to their design the early colonisers were not suitable for planetfall on worlds with either a strong gravity or an atmosphere. They were equipped with the supplies to make a second bio-dome on landing and the machinery and tools that would be required to expand their populations.

EPW-1 Coloniser


The EPW-1 coloniser ships used stable-wormhole technology to achieve faster than light travel, allowing colonies to be started anywhere in the galaxy with instantaneous travel from the Sol System. The colonisers were almost identical to the early colonisers with a wormhole drive added, but the huge drive systems were shrunk down as unnecessary. The system would create a supposedly stable wormhole through which the coloniser would travel to its destination. The technology was too large to use on conventional ships, and too dangerous to use in a planet's atmosphere, but its use on a large ship in space was seen as practical and safe.

Those assumptions proved wrong in 634PE when the second EPW-1 coloniser launched met with disaster. The wormhole collapsed prematurely resulting in what was believed to be the destruction of the ship and the loss of all lives on board. The full remains of the ship were never found, although parts were found drifting round the site of the accident near Venus.

Following the accident the EPW-1 coloniser design was canned along with the use of wormhole technology.

EPF-1 Colonisers


The "Exodus Project FTL-1" was a complete redesign from the early coloniser ships. While retaining a similar outward appearance the materials used and systems fitted on board were far advanced. The bio-dome was retained and was slightly recessed into the ship that carried it, also being made out of stronger materials that would withstand an atmospheric entry. The city held inside the 4 kilometre diameter dome was much the same too, the central dome scraper building retained the main controls of the ship and housed what form of government would run the ship. Residential buildings would be spread out round that central building with the outer edges containing parkland.

The major changes took place beneath the dome, the drive systems were overhauled and a distortion field generator was built that was capable of transporting the ship at FTL speeds. The top two floors of the ship were large hydroponics and farm areas, allowing for all the food required by the colonists to be grown without the need for rationing that took place on the early colonisers. The lower decks contained manufacturing facilities and a docking area for shuttles. They also acted as storage for extra materials that would be required both on the journey and at destination.

The EPF-1 colonisers were designed to be landed on worlds with hostile environments, either low gravity, or with no or dangerous atmosphere. They carried materials for a second dome similar to the early colonisers which would allow almost immediate expansion on arrival. The Ganymede coloniser was of the EPF-1 class.

EPF-2 Colonisers


The EPF-2 class colonisers were identical to the EPF-1 in external looks and much of the internal fittings. The main changes were the inclusion of materials for use in the terraforming of a world with a receptive atmosphere. Large gas exchangers were incorporated and designed to process the atmosphere on the world, to a somewhat primordial state in which plants could grow and further purify the air.

Despite the lessons learned during the terraforming of Mars, the process was still going to be long and slow, so materials were also supplied for a smaller external dome to help cater for projected population growth during the process.

EPF-3 Colonisers


The EPF Mk1 and Mk2 colonisers remained unchanged as a design throughout the First Exodus due to their success. The development of the FTL2 drive system meant that some changes were needed for the vessels of the Second Exodus. The new FTL system itself was much smaller than the old FTL system which freed up a lot of space on the lower decks. With this extra space available the design decision was made to merge both the Mk1 and Mk2 systems into one ship, allowing all vessels to carry the gas exchangers required for the terraforming process. The payload of the ship would still be dictated by the destination chosen, so if a planet without an atmosphere was chosen the relevant supplies for terraforming wouldn't be loaded, but extra dome materials would.

The EPF-3 coloniser is still available for purchase today from the Sol Shipyards as a special order, although none have been purchased in the last five hundred years.
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