[gurps] [VEHICLE] of the week 740 – Anachronistic Submarine

[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, 2008-12-29

Anachronistic Submarine v1.0 (TL6)
  Copyright 2008 by Onno Meyer

  In some alternate history stories, one side finds efficient uses for 
historical technologies. In other novels, genuine time travelers bring 
modern concepts with them. Last but not least, villains of pulp action 
stories can come up with the most amazing headquarters vehicles ...
  Unlike most historical designs, the Anachronistic Submarine operates 
submerged at all times, either snorkling or using batteries. The power 
and air last for five days at 5 mph, or two hours at 20 mph (17 knots). 
The boat has eight torpedo tubes, capable of launching cruise missiles 
in addition to homing torpedoes. Usually one or two tubes are reserved 
for self-defense torpedoes while launching missiles, so it can fire a 
salvo of six or seven missiles. The small dock aft of the fin can hold 
one or two swimmer delivery vehicles. 
  In a cliffhangers game, the Archvillain could menace the world with 
deadly missiles until the Heroes can sneak aboard in a supply SDV. In 
an alternate history game, Anachronistic Subs could carry the fight 
back across the Pacific after a loss of Pearl Harbor. 
  The engines burn 100 gallons of diesel per hour at 10 mph routine 
speed. A full load of fuel, ammunition and provisions is $8,335,200. 

Subassemblies: Body +8, Superstructure +6. 
Powertrain: 7,200-kW screw propeller; two 1,250-kW standard diesel 
  engines with snorkel; 60,000,000-kWs lead-acid batteries.
Fuel: 80,000 gallons diesel (fire on 10).
Occ: 45 CCS (Body), 15 bridge RCS (superstructure), 55 bunks, 
  4 single-occupancy cabins, single-occupancy luxury cabin.
Cargo: 2,200 cf.

Armor               F      RL       B       T       U
Body:             4/240   4/240   4/240   4/240   4/240
Superstructure:   4/240   4/240   4/240   4/240

Weaponry
Eight 600mm Torpedo Tubes [Bod:F] (48 torpedoes and missiles total).

Equipment:
  Body: Medium sonar communicator; 15-mile active/passive sonar; two 
sets of precision navigation instruments; autopilot; five fire 
extinguisher systems; mechanic workshop; engineering workshop; operating 
room; eight-man airlock; two-bunk brig; 1,000-cf dry dock; 300 man-day 
limited life system; 6,000 man-days of provisions. Superstructure: Very 
long range radio; extreme range radio with scrambler; signal light; 
trailing wire antenna; 60' periscope with 10x telescope; 30' periscope 
with 50x telescope; 30' periscope with 20-mile, surface search radar; 
IFF; advanced radar detector; sensitive radio receiver with direction 
finder; fire extinguisher system. External: Modest sound baffling.

Statistics
Size: 240'x32'x57'   Payload: 400 tons      Lwt.: 2,400 tons
Volume: 80,000 cf    Maint.: 19 man-hours   Price: $15,913,841.6

HT: 8.   HPs: 72,000 Body, 12,000 Superstructure

wSpeed: 16   wAccel: 0.5   wDecel: 1(1.3)   wMR: 0.05   wSR: 4
Draft 22'. Flotation rating 2,500 tons.

uSpeed: 20   uAccel: 0.4   uDecel: 0.5(0.7)   uMR: 0.05   uSR: 4
Submerged draft 57'. Crush depth 750 yards.

Design Notes
  Body is 76,000 cf, with total compartmentalization and submarine 
lines. Superstructure is 4,000 cf, with total compartmentalization. 
Structure is extra-heavy, expensive, submersible. Armor is expensive 
metal. Mechanical controls with duplicate maneuver controls and 
duplicate diving controls. 10 cf of empty space in the body and 1,230 
cf of empty space in the superstructure. 15 WG/ASH torpedoes, 15 WG/PSH 
torpedoes and 18 missiles are stowed in the body. Empty weight is 
4,000,000 lbs. Lwt will be increased by a SDV, but submerged weight 
remains unchanged.

Weapon             Weight Volume Cost    Power WPS   VPS CPS         TL
600mm Torpedo Tube 8,000  160    $41,000   -   4,000 80  $120,000[1] 6
  [1] WG/PSH or WG/ASH torpedo, can also fire IG missile for $260,000.

Weapon  Guid   Malf. Type Damage        SS Speed Max     End RoF  Skill
Torpedo WG/ASH 15    exp. 6d*3,375      30  30    12,750 425 1/20 OG/12
Torpedo WG/PSH 15    exp. 6d*3,375      30  30    12,750 425 1/20 OG/16
Missile IG     15    exp. 6d*1,953[12d] 30 300   222,000 740 1/20   -

  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: Back to the interrupted scout series, with a little shuttle.