This is a weekly posting with GURPS vehicles (and the like) to the
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redistribution of my work, but I would like to know if you put it on
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Onno Meyer, 2015-05-18
Expeditionary Ironclad v1.0 (TL5)
Copyright 2015 by Onno Meyer
The Expeditionary Ironclad is independent of coaling stations or naval
bases. She has a range of more than 20,000 miles at 9 knots and food for
eight months with a full crew. That makes her perfect for the nefarious
plots of mad inventors or for voyages to islands out of time.
The main battery consists of four 15" breechloaders in two superfiring
turrets. The four 9.2" secondaries are mounted in single turrets and ten
hand-cranked gatling guns are mounted on pedestals. A ram completes the
armament. The Expeditionary Ironclad has six steam launches, four oared
cutters, and a few smaller craft on deck.
The steam engines burn 14.6 tons of coal per hour. The usual load of
coal, provisions, and ammunition is $2,408,000.
Subassemblies: Body +11, Superstructure +9, two full-rotation Turrets
#1-2 +6; four full-rotation Turrets #3-6 +5, ten full-rotation Open
Mounts +2.
Powertrain: Three 4,800-kW rugged screw propellers; three 4,800-kW
rugged double expansion steam engines; 200-kW rugged double expansion
steam engine.
Fuel: 480,000-cf coal bunker.
Occ: 9 bridge RCS, 100 RSR, 640 bunks, 75 cabins, 5 luxury cabins.
Cargo: 162,600 cf.
Armor F RL B T U
Body: 4/600 4/600 4/600 4/300 4/180
Superstructure: 4/600 4/600 4/600 4/300
Turrets #1-2: 4/800 4/800 4/800 4/800
Turrets #3-6: 4/600 4/600 4/600 4/300
Weaponry
2x2 15"/L24 BL [Tur1-2:F] (150 rounds each) +0.
4x1 9.2"/L30 BL [Tur3-6:F] (250 rounds each) +0.
10 2.25" Rotary Guns [OM1-10:F] (2,000 rounds each) +0.
Equipment:
Body: Voicetubes; two armoury workshops; four engineering workshops;
six mechanic workshops; four 10,000-lb. external cradles; six 20,000-lb.
external cradles; 180,000 man-days of provisions. Superstructure:
Voicetubes; whistle; three sets of meteorology instruments; three sets
of navigation instruments; fire direction center; early cartography
laboratory; operating room; 40-man conference room; brig (14 bunks);
720-man environmental controls. Turrets #1-2: Universal mounts for 15"
BL; voicetubes. Turrets #3-6: Universal mounts for 9.2" BL; voicetubes.
External: Ram; 26,733 sf top deck.
Statistics
Size: 600'x60'x90' Payload: 32,000,000 lbs. Lwt.: 80,000,000 lbs.
Volume: 2,250,000 cf Maint.: 76 man-hours Price: $253,043,788
HT: 8. HPs: Body 600,000, Superstructure 150,000, Turrets #1-2 12,000
each, Turrets #3-6 6,000 each, Open Mounts 150 each.
wSpeed: 15 wAccel: 0.04 wDecel: 0.1(0.12) wMR: 0.02 wSR: 6
Draft 40'. Flotation Rating 90,000,000 lbs.
Design Notes
Body is 2,000,000 cf, with full compartmentalization and very fine
lines. Superstructure is 229,616 cf with full compartmentalization,
mounted on Body. Turret #1 is 6,000 cf with full compartmentalization,
mounted on Body. Turret #2 is 6,000 cf with full compartmentalization,
mounted on Superstructure. Turrets #3-4 are 2,000 cf each with full
compartmentalization, mounted on Body. Open mounts are 38.4 cf each,
mounted on Superstructure. Structure is extra-heavy, expensive. Armor is
expensive metal. Waterproofed. Mechanical controls. 300 rounds of 15"
solid shot, 300 rounds of 15" SAPLE, 500 rounds of 9.2" solid shot, and
500 rounds of 9.2" SAPLE are stowed in the Body. 20,000 rounds of 2.25"
LE are stowed in the superstructure. 573,161 cf of empty space in the
Body, 91,629.6 cf in the Superstructure, 380 cf each in Turrets #1-2 and
460 cf each in Turrets #3-6. Empty weight is 48,000,000 lbs.
Weapon Weight Volume Cost WPS VPS CPS Ldr. TL
2.25" Rotary Gun 1,600 32 $4,500 6.7 0.067 $4[1] - 5
9.2"/L30 BL 15,000 300 $38,000 720 4.8 $140[2] 6 5
15"/L24 BL 39,000 780 $98,000 3,100 20.67 $620[2] 10 5
Ammo Type: [1] LE. [2] Solid, also fires SAPLE (x2 cost, x0.67 weight).
Weapon Ammo Malf. Type Damage SS Acc 1/2D Max RoF
2.25" Rotary Gun LE 16 exp. 4d+1[4d] 25 13 700 3,900
(DX+Skill)/2
9.2"/L30 BL Solid 16 cr. 6d*18 30 14 1,400 5,900 1/20
SAPLE 16 cr. 6d*18(0.5) 30 14 1,400 5,900 1/20
plus exp. 6d*50[12d]
15"/L24 BL Solid 16 cr. 6d*29 30 15 1,800 6,900 1/32
SAPLE 16 cr. 6d*29(0.5) 30 15 1,800 6,900 1/32
plus exp. 6d*216[12d]
The vehicle uses the design rules from Vehicles [second edition, third
printing, July 2010 errata] and VXi (including the armor volume rule)
with the text format from Vehicles Lite.
Next Week: The launch.
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