[gurps] [VEHICLE] of the week 731 – Planetary Defense Battery

[Onno Meyer]

  This is a weekly posting with GURPS vehicles (and the like) to the 
GURPSnet mailing list. I grant the permission for all non-commercial 
redistribution of my work, but I would like to know if you put it on 
a website or the like. My site is down for rebuilding, but sooner or 
later the old stuff should reappear at   omeyer.gmxhome.de
  Onno Meyer, 2008-10-27

Planetary Defense Battery v1.0 (TL9)
  Copyright 2008 by Onno Meyer

  The Planetary Defense Battery has two primary lasers and two vertical 
missile launchers on a single tracked chassis. The lasers can reach out 
almost a lightsecond (from airless worlds) while the missiles can reach 
over the horizon and defend against saturation attacks. Twenty smaller 
lasers provide point defense. Unlike a fixed space defense system, the 
PDB can maneuver to evade orbital strikes. Stealth and jammers protect 
it against enemy sensors.
  A full load of ammunition and provisions is $18,966,000. 
  The battery might fit into Traveller games where contragrav is less 
effective (or more expensive) than described by GURPS Traveller, even 
if it is unlikely to last long against capital starships. 

Subassemblies: Articulated Body +7, two full-rotation Turrets +6, four 
  Tracks +6. 
Powertrain: 25,000-kW tracked drivetrain; 30,000-kW fusion reactor; 
  2,720 270,000-kWs rechargeable power cells.
Occ: 20 RCS (10 in Body, 5 in each Turret), 20 bunks.   Cargo: 100 cf.

Armor        F        RL         B         T        U
Body:     4/2,000   4/2,000   4/2,000   4/2,000   4/200
Turret:   4/2,000   4/2,000   4/2,000   4/2,000
Tracks:     4/400     4/400     4/400     4/400   4/400

Weaponry
120-cell VLS [Tur1:T] (120 shots).
120-cell VLS [Tur2:T] (120 shots).
640-MJ Laser [Tur1:F] (360 shots) +2.
640-MJ Laser [Tur2:F] (360 shots) +2.
Four 1.6-MJ Lasers [Bod:F] (1,800 shots each) +2.*
Four 1.6-MJ Lasers [Bod:R] (1,800 shots each) +2.*
Four 1.6-MJ Lasers [Bod:L] (1,800 shots each) +2.*
Four 1.6-MJ Lasers [Bod:B] (1,800 shots each) +2.*
Two 1.6-MJ Lasers [Tur1:T] (1,800 shots each) +2.*
Two 1.6-MJ Lasers [Tur2:T] (1,800 shots each) +2.*
*Linked on each facing.

Equipment:
  Body: Full stabilization and cyberslave mounts for 16 1.6-MJ Lasers; 
two extreme-range radios with scramblers; 16 10-mile thermographs; 
10,000-mile radscanner; two sets of precision navigation instruments; 
five IFF; four inertial navigation systems; four HUDWACs with pupil 
scanners; deceptive jammer, level 10; two C8, hardened macroframes; ten 
terminals; full fire suppression system; complete workshop; two 
automeds; two-man airlock; two 20-man full life systems; 1,000 man-days 
of provisions. Turrets: Anti-blast magazine for VLS; full stabilization 
and universal mount for 640-MJ Laser; full stabilization and cyberslave 
mount for two 1.6-MJ Lasers; two very long range laser communicators; 
5,000-mile AESA, LPI; two 10-mile thermographs; 10,000-mile thermograph; 
three HUDWACs with pupil scanners; five terminals; full fire suppression 
system. External: Radical emission cloaking; radical sound baffling; 
radical stealth; instant chameleon surface; radiation shielding; tow 
hitch.

Statistics
Size: 80'x40'x40'   Payload: 40 tons       Lwt.: 1,000 tons
Volume: 50,000 cf   Maint.: 77 man-hours   Price: $254,458,250

HT: 8.   HPs: 30,000 Body, 12,000 each Turret, 7,500 each Track

gSpeed: 65   gAccel: 4   gDecel: 25   gMR: 0.75   gSR: 8
Ground Pressure Moderate. 1/2 Off-Road Speed.

Design Notes
  Body is 20,000 cf, with heavy compartmentalization. Turrets are 5,000 
cf, with heavy compartmentalization. Tracks are 20,000 cf (increased 
volume). Structure is extra-heavy and expensive. Smart tracks. Armor is 
advanced laminate. Sealed. Computerized controls with duplicate 
maneuver controls. 350.41 cf of empty space in the body and 7 cf of 
empty space in each turret. Empty weight is 1,920,000 lbs. 

Weapon       Weight Volume  Cost        Power     WPS VPS CPS     TL
120-Cell ABM 14,580   291.6    $184,750  -        300 6   $79,000 9
640-MJ Laser 80,000 1,600   $21,000,000 5,760,000  -   -   -      9
1.6-MJ Laser    500    10       $47,000    72,000  -   -   -      9

Weapon       Ammo Malf. Type Damage SS Acc 1/2D      Max       RoF
640-MJ Laser  -   ver.  imp. 6d*67  30 35  1,280,000 3,840,000  4*
1.6-MJ Laser  -   ver.  imp. 20d    25 26     32,000    96,000 20*

Weapon    Guid Malf. Type Damage    SS sAccel End RoF    Skill
300mm ABM BPRH crit. exp. 6d*75(10) 30 30     30  120:15 21

  The vehicle uses the design rules from Vehicles [second edition, third 
printing, Dec 2004 errata], VXi and VXii (the armor volume rule) with 
the text format from Vehicles Lite. 


Next Week: Probably a more primitive version.