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
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, 2015-04-27
Coastal Monitor v1.0 (TL5)
Copyright 2015 by Onno Meyer
Ironclad production reached a fever pitch after the battle of Hampton
Roads. The Civil War ended before the first Monitor with 20" guns could
be commissioned. Who knows where it might have ended if the Civil War
had lasted much longer?
This Coastal Monitor has twin engines and a higher freeboard than the
early models for improved seaworthiness. She mounts two 20" smoothbores
in a revolving turret. The small pilothouse on top of the turret holds
the helm. The crew lives down in the hull, where it is either too cold
or too hot, and always damp ...
The steam engines burn 4.8 tons of coal per hour. A full load of coal,
ammunition, and provisions is $174,240.
Subassemblies: Body +9, Superstructure +4, full-rotation Turret +7.
Powertrain: Two 1,600-kW screw propellers; two 1,600-kW forced draft
steam engines.
Fuel: 23,040-cf coal bunker.
Occ: 1 NCS, 56 NSR, 179 hammocks, 15 bunks, 5 cabins, 1 luxury cabin.
Cargo: 1,125 cf.
Armor F RL B T U
Body: 4/360 4/360 4/360 4/200 4/40
Superstructure: 4/900 4/900 4/900 4/200
Turret: 4/900 4/900 4/900 4/200
Weaponry
Two 20" Smoothbores [Tur:F] (120 rounds each) +0.
Equipment:
Body: Voicetube; whistle; meteorology instruments; set of navigation
instruments; mechanic workshop; 10-man conference room; two 3,750-lb.
external cradles; 6,000 man-days of provisions. Superstructure:
Voicetube. Turret: Voicetube. External: 5,767 sf top deck.
Statistics
Size: 250'x50'x40' Payload: 1,800,000 lbs. Lwt.: 8,000,000 lbs.
Volume: 200,000 cf Maint.: 28 man-hours Price: $33,891,870
HT: 6. HPs: Body 60,000, Superstructure 1,500, Turret 12,000.
wSpeed: 12 wAccel: 0.08 wDecel: 0.2(0.24) wMR: 0.02 wSR: 6
Draft 16'. Flotation Rating 9,536,800 lbs.
Design Notes
Body is 183,400 cf, with average lines. Superstructure is 600 cf, on
top of Turret. Turret is 16,000 cf, on top of Body. Structure is
expensive, heavy. Armor is expensive metal. Waterproofed. Mechanical
controls. 120 rounds of 20" solid shot and 120 rounds of 20" SAPLE are
stored in the Body. 67,753.13 cf of empty space in the Body, 460 cf in
the Turret. Empty weight is 6,200,000 lbs.
Weapon Weight Volume Cost WPS VPS CPS Ldr. TL
20" Smoothbore 93,000 4,650 $190,000 1,600 10.67 $320[1] 27 5
Ammo Type: [1] Solid, also fires SAPLE (at x2 cost and x0.67 weight).
Weapon Ammo Malf. Type Damage SS Acc 1/2D Max RoF
20" Smoothbore solid 16 cr. 6d*34 30 7 1,400 4,400 1/85
SAPLE 16 cr. 6d*34(0.5) 30 7 1,400 4,400 1/85
plus exp. 6d*512[12d]
The vehicle uses the design rules from Vehicles [second edition, third
printing, July 2010 errata] and VXii (the armor volume rule) with the
text format from Vehicles Lite.
Next Week: A tinless tin can.
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