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. The files at omeyer.gmxhome.de are down until
I fix the automatic PDF generation, which should be one of these
days - see sourceforge.net/projects/gurpsml
Onno Meyer, 2013-03-11
Sternwheel Gunboat v1.0 (TL5)
Copyright 2013 by Onno Meyer
In darkest Africa or in the Subcontinent, this paddle boat represents
Her Majesty's colonial rule. In the Americas, similar craft most likely
belong to corporate interests. Either way, literary tradition demands
that any lengthy trip upriver becomes a slow descent into madness ...
To deal with tribal warriors and the occasional steam automaton, the
riverboat is armed with six gatlings and one naval 3" gun. All weapons
are mounted in a casemate with 5/8" iron plate. The armor protects the
commanding officer, the pilot, the signaller, and the medic as well. A
deck house on top of the casemate contains extra living space.
The engine burns wood, so the boat can stop at the banks of the river
and refuel. The consumption ranges from 0.72 tons per hour at 5.5 knots
to 2.16 tons at 8 knots. A full load of ammo, wood, and provisions is
$4,340.
Subassemblies: Body +5, Superstructure 1 +5, Superstructure 2 +5.
Powertrain: 200-kW feathered paddlewheel; 200-kW forced draft steam
engine.
Fuel: 800 cf wood.
Occ: 8 RCS, 12 RSR, 11 hammocks, 8 bunks, 1 cabin. Cargo: 121 cf.
Armor F RL B T U
Body: 3/8 3/8 3/8 3/8 3/8
Superstructure 1: 4/30 4/30 4/30 4/30
Superstructure 2: 2/2 2/2 2/2 2/2
Weaponry
3" Gun [Sup1:F] (120 rounds) +0.
Three .577 Gatlings [Sup1:R] (5,000 rounds each) +0.
Three .577 Gatlings [Sup1:L] (5,000 rounds each) +0.
Equipment:
Body: 100 man-days of provisions. Superstructure 1: Casemate mounts
for all weapons; limelight signal lamp; whistle; navigation instruments.
External (on Body): 260 sf top deck. External (on Superstructure 1): 160
sf top deck.
Statistics
Size: 50'x18'x24' Payload: 20 tons Lwt.: 80 tons
Volume: 8,000 cf Maint.: 47 hours Price: $183,830
HT: 8. HPs: 2,250 Body, 1,800 Superstructure 1, 1,800 Superstructure 2.
wSpeed: 9 wAccel: 0.3 wDecel: 1(1.15) wMR: 0.05 wSR: 5
Draft 4'. Flotation rating 85.5 tons.
Design Notes
Body is 3,000 cf, with mediocre hydrodynamics. Superstructure 1 is
2,500 cf, on Body. Superstructure 2 is 2,500 cf, on Superstructure 1.
Structure is medium, standard. Body and Superstructure 2 armor is
standard wood, Superstructure 1 armor is standard metal. Waterproofed.
Mechanical controls. 80 rounds of 3" SAPLE, 40 rounds of 3" Shrapnel,
and 30,000 rounds of .577 solid are stowed in Superstructure 1. 467.27
cf of empty space in the Body, 1,603 cf in Superstructure 1, and 52 cf
in Superstructure 2. Empty weight is 120,000 lbs.
Weapon Weight Volume Cost Power WPS VPS CPS Ldr TL
.577 Gatling 30 0.6 $230 - 0.2 0.0013 $0.04[1] - 5
3" Gun 1,600 32 $4,500 - 17 0.17 $10[2] 1 5
Ammo: [1] Solid. [2] SAPLE, also fires Shrapnel (x1.5 cost, x1.5
weight).
Weapon Ammo Malf Type Damage SS Acc 1/2D Max RoF
.577 Gatling Solid 16 cr. 4d 20 10 270 2,200 (DX+Skill)/2
3" Gun SAPLE 16 cr. 6d*6(0.5) 25 13 810 4,200 1/6
plus exp. 10d[6d]
Shrapnel 16 cr. 1d 25 13 810 4,200 1/6
The vehicle uses the design rules from Vehicles [second edition, third
printing, July 2010 errata] and VXii (including the armor volume rule)
with the text format from Vehicles Lite.
Next Week: A rich man's toy.
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