Ever since the drive system rework speeds have been lower across the board--you used to be able to hit 10km/s+ at Magneto-Plasma drives fairly easily. The single biggest reason behind >slow< ships, especially at higher TLs, is people designing them with a low percentage of the volume dedicated to drives. Don't measure by "n number of drives" but by "% of total tonnage dedicated to drives".
Too-high AFR/IFR means you're not using enough engineering spaces.
Here's an example, a missile cruiser that I'm going to put into production soon:
Solemn Oath class Missile Cruiser 57,600 tons 1241 Crew 27142.55 BP TCS 1152 TH 1382.4 EM 6000
10000 km/s Armour 20-132 Shields 200-300 Sensors 24/24/0/0 Damage Control Rating 137 PPV 60
Maint Life 8.46 Years MSP 31510 AFR 248% IFR 3.4% 1YR 785 5YR 11773 Max Repair 1200 MSP
Intended Deployment Time: 120 months Spare Berths 0
Magazine 1408 Cryogenic Berths 200
Adonai Drive Systems 960 EP Inertial Fusion Drive (12) Power 960 Fuel Use 55.11% Signature 115.2 Exp 15%
Fuel Capacity 15,000,000 Litres Range 85.1 billion km (98 days at full power)
Taurus Defence Industries Xi R300/360 Shields (40) Total Fuel Cost 600 Litres per hour (14,400 per day)
Barak Technology 52cm C6 Far X-Ray Laser (1) Range 480,000km TS: 10000 km/s Power 71-6 RM 8 ROF 60 71 71 71 71 71 71 71 71 63 56
Endanor-Salvin Systems CIWS-320 (6x10) Range 1000 km TS: 32000 km/s ROF 5 Base 50% To Hit
Valefar Incorporated Fire Control S06 240-24000 (1) Max Range: 480,000 km TS: 24000 km/s 98 96 94 92 90 88 85 83 81 79
Kalick-Endymion Magnetic Confinement Fusion Reactor Technology PB-1 (1) Total Power Output 10 Armour 0 Exp 5%
Bale Armaments Company Size 4 Missile Launcher (50% Reduction) (22) Missile Size 4 Rate of Fire 70
Eisenstein Technology Missile Fire Control FC460-R16 (2) Range 460.8m km Resolution 16
Javelin-4 III (352) Speed: 40,000 km/s End: 123.7m Range: 296.8m km WH: 16 Size: 4 TH: 386/232/116
Eisenstein Technology Active Search Sensor MR768-R16 (1) GPS 12800 Range 768.0m km Resolution 16
Sotha-Hezekiah Thermal Sensor TH1-24 (1) Sensitivity 24 Detect Sig Strength 1000: 24m km
Sotha-Hezekiah EM Detection Sensor EM1-24 (1) Sensitivity 24 Detect Sig Strength 1000: 24m km
ECCM-3 (2) ECM 30
Those drives are Inertial Fusion and occupy 1,000 tons of displacement each. There's twelve of them, 12,000t of drive on a 57,600t ship. In other words, at pretty high tech all around, I needed to make the ship roughly 20% engines to hit 10k km/s, and that when using 150% power drives. I also needed 5,350t of engineering spaces (plus the Adv. Damage Control) to make the maintenance costs reasonable. Plus 15,000t of fuel storage to give it a half-decent range. In other words, fully 56% of that ship is dedicated solely to drives, fuel, and maintenance supplies. If you include crew quarters and magazine space, I'd guesstimate maybe 30% of it as being combat-related (sensors, launchers, laser, fire controls, ECM, shields, &c.).
E: Don't worry about AFR. Worry about the highest repair cost vs. your total supplies, and about the estimated maintenance lifespan. All that matters is 1) being able to repair your most expensive component if it breaks and 2) the average length of time you can deploy before you run out of supplies.
Regarding ASMs, here's a breakdown of my current model:
Missile Size: 4 MSP (0.2 HS) Warhead: 16 Armour: 0 Manoeuvre Rating: 29
Speed: 40000 km/s Engine Endurance: 124 minutes Range: 296.8m km
Thermal Sensor Strength: 0.06 Detect Sig Strength 1000: 60,000 km
Cost Per Missile: 7.632
Chance to Hit: 1k km/s 1160% 3k km/s 377% 5k km/s 232% 10k km/s 116%
That's a fairly generalist design meant to fill most roles in combat.
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Topic: Aurora - The Dwarf Fortress of 4X Games (Read 2849409 times)