Osiris Class Space Dominance Vehicle SDV-9W

The design of the Osiris class SDV is influenced by firepower, combat performance and of course operational efficiency. With the price of Nuclear Pellets at $50K per ton, burning pellets for interplanetary travel is too expensive - it would cost M$ 150 per trip in fuel costs. Instead a fusion rocket (water) drive is used for interplanetary trips and a high-thrust Nuclear Pulse drive is used in combat. The use of water for reaction mass also makes out-system and emergency refuelling much simpler - an important military consideration.

It was also politically important to outperform civilian liners on interplanetary journeys so it was fitted with a double size fusion rocket drive.

Combat Performance

The high thrust fusion pulse drive gives it 0.1G of combat performance for over 2 hours.

Forward armor is double thickness to provide additional combat protection.

The forward fixed mount weapon provides a deadly 3GJ particle beam.

The secondary weapons comprise:

• 4x 300MJ UV lasers,
• 2x 30MJ Improved RF point defence lasers,
• 2x Coil gun with XLMP and Kinetic ammo
• 2x RF Coil gun for engaging smaller targets

SDV-9W

Front

• 1-2 Armor (Nanocomposite) dDR 100
• 3! Battery (Major) - Fixed Mount Particle Beam
• 4 Habitat* (50% allocated to 150 tons steerage cargo)
• 5-6 Fuel Tank (water)
• C Control Room

Central

• 1 Armor (Nanocomposite) dDR50
• 2-5 Fuel Tank (water)
• 6! Battery (Secondary)
• C Fusion Reactor (2 Power)

Rear

• 1 Armor (Nanocomposite) dDR 50
• 2 External Clamp for 4x 125 ton Naiad class AKVs
• 3-4 Fusion Rocket (water, 0.03G. 144mps)
• 5 HT Fusion Pulse Drive (0.1G. 5mps)
• 6 Fuel Tank (Nuclear pellets, 2.26 hours)

*Habitat: 3 luxury cabin, 8 cabin, 8 bunkrooms, 2 briefing rooms, 2 minifacs, 2 offices, 2 sickbays, 30 unused (steerage cargo).

Options: Chameleon.

TL10, dST/HP 150, Hnd/SR -2/5, HT 13, Move 0.03G (water, 144 mps) 0.1G (NP, 5mps), LWt 10,000, Load 150, SM 10, Occ 54 ASV, dDR 100 F/50SB, Cost M$ 780

Trip Time: Earth-Mars median distance (1.8 AU) = 32 days.

Transhuman Space Index