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 Post subject: David-class Dreadnought
PostPosted: Mon Jun 17, 2013 7:47 pm 
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This does not follow established B5 canon!

Overview;
Compared to the Hyperion cruiser, the Nova was moderately more successful, with the best action conducted by Earthforce Novas being the Battle of Flinn Colony, which saw the loss of a forty-five out of forty-eight Nova Dreadnoughts in return for kills on just fifteen Minbari warships. However, the majority of engagements saw the Novas as outgunned by the Minbari as the Hyperions, their heavier armament and armour simply meriting the Minbari forces saving them for after all other opponents had been destroyed. Combined with the Nova's propensity to use up nearly all its reactor mass in a single battle, as well as the short range for its plasma cannons and speed, the shattering of Earth's built up fleet of dreadnoughts gave rise to the idea of a new kind of warship amongst the designers of the REFORGE Programme. The Programme had already borne fruit in the shape of the Sword-class Cruiser, which excelled in its intended role as a general-purpose warship.

However the Sword, despite its successes, could never go toe-to-toe with a Sharlin, of which the Minbari still possessed hundreds of examples. The success of its longer-ranged plasma pulse cannons rang bells in the heads of the design team; If the Minbari could stay out of Earthforce's weapons range, then surely the best thing to do was to extend that same weapons range. The team was given access to the Hyach laser scavenged from a Dilgar War-era wreck, left over from the efforts to develop a laser array for Earthforce Novas. Within months, a smaller laser had been produced and tested. Using this as the basis of the design, the team came up with what was to be the David-class.

The David is a complete reversal of original Earth Alliance philosophy. Mounting two spinal lasers as its main weapon, the David also carries two twin hybrid plasma/pulse turrets on the hammerhead, as well as four heavy PPC's. This armament, while not as staggeringly powerful as the plasma arrays originally used, instead allow the David to take part in all range spectrum's. The doctrine established by members of the Mars Strategy Academy saw the David acting as the centrepiece for a Sword-squadron, the lasers acting as the main anti-shipping weapon in an effort to damage or destroy an attacking Sharlin.

Because of this new doctrinal focus on operating in balanced squadrons, the David received only five MkII DGEP's. This incredibly weak defensive system is counter-balanced by a full two metres of AEGIS Composite Armour, as well as the new E-Web, with the superior Interceptor fire of the Swords theoretically able to protect the dreadnought against all concentrated fire. As of the current date (March 2251), four David's have been built, and none have seen combat, though with their assignation to the Narn border, whether this will continue remains to be seen.

Class; Dreadnought.
Role; Long-range Assault
Length; 1502.01 metres
Crew; Two-hundred, sixty (260x)
Endurance; Twelve (12x) months cruising time. (Crew must be rotated off-ship every three months minimum to avoid Gravitational Imbalance Disorder)
Armament; Two (2x) A.M.S. Q-Spoiling Lasers, two (2x) Raytheon Hybrid Particle Beam/Plasma Pulse Cannons, four (4x) Raytheon M111 Heavy Pulsed Plasma Cannons.
Defences; Five (5x) MkII Defence Grid Energy Projectors, 2m armoured hull (AEGIS Composite Armour)

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Last edited by ReaperMan on Fri Nov 15, 2013 7:55 am, edited 2 times in total.

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PostPosted: Tue Oct 22, 2013 1:32 pm 
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This does not follow established B5 canon!

Overview;
The original David's were makeshift designs. Hasty conversions of the remaining Nova Dreadnoughts, they were never as reliable as purpose-built ships would have been. The first combat action, involving the EAS Wilhelm Tell, was a disaster. Encountering a small squadron of Narn warships, the Captain, one Eduardo Del Toro, ordered the Narn to stand clear of Earth Alliance space. The Narn refused to do so, claiming that they were investigating attacks on their shipping. After locking them up with its fire control systems, the Wilhelm Tell was fired upon. The end result saw the loss of one Var'Nic destroyer and another damaged in return for the crippling of the dreadnought. Only the timely intervention of CruRon 63, enroute to meet the Wilhelm Tell, prevented it from being captured and salvaged by the opportunistic Narn force.

The incident provoked a rethink in the Office of Naval Construction. Bringing in Captain Richard Tinez, who'd helped design Earth's first grav-generating warship, the original design team was brought back to consult. After some weeks, the team came up with a new brief;
I. The ship had to be better protected than it was currently. The weak Interceptor layout meant that only fire from above/below could be targeted, forcing the ship to roll frequently.
II. The original weapons fit of the David's, while designed to give them options at all range bands, led to the ship never excelling in any particular one. The Davids had been intended to function as long-range anti-Sharlin designs, therefore their weapons had to be altered to fit this profile better.
III. The short range plasma pulse cannons were too vulnerable to enemy fire and too short ranged. Therefore, something with better range was required to guard the flanks.

In the end, the Flight II was drawn up. Featuring the same dual spinal lasers of the Flight I, the II's replaced the fore HPBPPC's with four WI 999 Ion Cannon/Particle Beam turrets. The much greater range of these ICPB's allowed the Flight II to engage closing enemy ships at a greater range than the original turrets but also provided a much improved chance of destroying the enemy. The four dorsal and ventral HPPC's were replaced with a total of twelve Boeing Mk 14 missile tubes, allowing the Flight II to rake incoming ships from much further away, as well as encouraging fire-and-forget tactics to enable the David to bring its spinal armament to bear more easily.

The four DGEP Mk II's were replaced with repositioned emplacements, with the number increased to twelve. The conversions of the Flight I had seen the launch bay of the original Nova plugged with pieces of armour, but the Flight II as new construction would never have that structural weakness. The Flight I's also lacked easier resupplying access, something rectified by the addition of a starboard cargo bay and the installation of central magrails for shipments to be easily despatched to the required section.

Class; Dreadnought.
Role; Long-range Assault
Length; 1502.01 metres
Crew; Two-hundred and eighty-three (283x)
Endurance; Twelve (12x) months cruising time. (Crew must be rotated off-ship every six months minimum to avoid Gravitational Imbalance Disorder)
Armament; Two (2x) A.M.S. Q-Spoiling Lasers, four (4x) WI 999 Ion Cannon/Particle Beams, twelve (12x) Boeing Mk 14 Internal Missile Launchers (48x Raytheon MATADOR III Anti-Shipping Missiles)
Defences; Twelve (12x) MkII Defence Grid Energy Projectors, 2m armoured hull (AEGIS Composite Armour)

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