"Large Warship" will have the following goal (all min mat spec):

1. 8-9 Slots
2. 1000 m/s top speed,
3. PWR 215+ GW, Base consumption less than 50% max
4. Shield 200K
5. Base Jump Distance 15+
6. Battery 1 TJ (I find sizing this difficult, half the generator volume seems a feel good value)
7. Agility 0.1+
8. since plasma weapons are around at this tier doubble hull thickness (1.0)
9. Cargo 1000
10. 8 torpedo launcher

estimated cost:
300k Iron, 300k Titanium, 500k nanonite, 8 Millionen Credits