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, 2015-04-13
Steam Sloop v1.0 (TL5)
Copyright 2015 by Onno Meyer
Paddle wheels and early steam engines are unsuitable for ships of the
line, but they are useful for naval auxiliaries. The paddle steamer can
tow sailing battleships, carry dispatches, or raid the enemy commerce.
To make the best possible use of her limited deck space, she mounts a
pair of 68-pounders forward and four 32-pounders aft. Against old style
ships of the line, she would use her maneuver advantage to stay at long
range and hope for a lucky hit.
The steamer could appear in historical settings in the Regency period
or the early Victorian era, or she could be built by a genius gadgeteer
a few years earlier.
The engine burns 1.5 tons of coal per hour. A full load of coal, food,
and ammunition is $80,880.
Subassemblies: Body +8, two Masts +2.
Powertrain: 5,200-sf barquentine rig with cloth sails; two 300-kW paddle
wheels; 600-kW early steam engine.
Fuel: 14,400-cf coal bunker.
Occ: 3 RCS, 48 CSR, 195 hammocks, 4 cabins, 1 luxury cabin.
Cargo: 2,560 cf.
Armor F RL B T U
Body: 3/30 3/30 3/30 3/30 3/30
Masts: 3/30 3/30 3/30 3/30 3/30
Weaponry
68-pounder [Bod:R] (60 rounds) +0.
68-pounder [Bod:L] (60 rounds) +0.
Two 32-pounders [Bod:R] (50 rounds each) +0.
Two 32-pounders [Bod:L] (50 rounds each) +0.
Equipment:
Body: Two sets of navigation instruments; carpentry workshop;
engineering workshop; sewing workshop; 10-man conference room; two
3,200-lb. external cradles; 10,000 man-days of provisions. External:
2,500 sf top deck.
Statistics
Size: 180'x50'x140' Payload: 1,000,000 lbs. Lwt.: 2,000,000 lbs.
Volume: 100,200 cf Maint.: 32 hours Price: $384,490
HT: 7. HPs: Body 22,500, Masts 300 each.
Under sail, light breeze:
wSpeed: 9 wAccel: 0.04 wDecel: 0.3 wMR: 0.05 wSR: 4
Draft 11'. Flotation Rating 4,800,000 lbs. MUA 40°.
Under sail, fresh breeze:
wSpeed: 13 wAccel: 0.1 wDecel: 0.3 wMR: 0.05 wSR: 4
Under steam power:
wSpeed: 10 wAccel: 0.05 wDecel: 0.3(0.32) wMR: 0.05 wSR: 4
Design Notes
Body is 100,000 cf, with fine lines. Masts are 100 cf. Structure is
medium, cheap. Armor is cheap wood. Waterproofed. Mechanical controls.
60 rounds of 68-lb. solid shot and 60 rounds of LE, 100 rounds of 32-lb.
solid shot and 100 rounds of LE are stowed in the Body. 11,075 cf of
empty space in the Body. Empty weight is 1,000,000 lbs.
Weapon Weight Volume Cost WPS VPS CPS Ldr. TL
32-pounder 6,100 305 $13,000 48 0.32 $9.6[1] 6 5
68-Pounder 10,000 500 $20,000 100 0.67 $20[1] 9 5
Ammo Type: [1] Solid, also fires LE (x2 cost, x0.67 weight).
Weapon Ammo Malf. Type Damage SS Acc 1/2D Max RoF
32-pounder solid 16 cr. 6d*8 30 6 640 2,700 1/27
LE 16 exp. 6d*16[10d] 30 6 640 2,700 1/27
68-Pounder Solid 16 cr. 6d*10 30 6 720 2,900 1/34
LE 16 exp. 6d*33[12d] 30 6 720 2,900 1/34
The vehicle uses the design rules from Vehicles [second edition, third
printing, July 2010 errata], VXi, and VXii (the armor volume rule) with
the text format from Vehicles Lite.
Next Week: Summon bigger fish :-)
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