Just to be clear you want an optional speed boost + optional range boost? *Sound confused* I can see you getting decent range from missile module but speed boosting module? What do you mean by that?
I mean that at least some hulls should be faster than the nebula ships, and at least a significant number of modules should have longer range than them. (speed boosting modules weren't something that occurred to me)
For example, we could change the speeds of the shadow ships like this:
Hull | New speed | Old speed |
Neinzul | 300 | 157 |
Human | 200 | 150 |
Zenith | 150 | 143 |
Spire | 100 | 136 |
(note that all speeds in nebulas are halved)
This makes it so that you might actually consider a hull other than Zenith (for killing ships, because even the battleship will only overkill against light ships) or Neinzul (because radar dampening less than the range of missiles lets you stomp Ultra-Heavies, such as starbases) in nebulas once you've unlocked those.
Drones should be of comparable speed (e.g., Slicer drone 300, Interceptor drone 200, bomber drone 150) to keep up with the shadow ship, or faster (e.g., slicer drone 1000, Interceptor drone 700, Bomber 400) to maybe actually fight things the shadow ship wasn't already fighting.
For comparison, hostile nebula ships currently generally vary in speed from about 140 to about 190 (actually 145 to 185 AFAICT, and it's based on faction not ship class)
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Ranges
The base modules could be re-ranged like this:
Module | New range | Old range |
Needler | 10000 | 7000 |
Laser | 20000 | 9000 |
MLRS | 15000 | 8000 |
Missile | 30000 | 16000 |
(recall that all ranges are halved in nebulae)
For comparison, some enemy ships:
Faction | Light ship | Medium ship | Large ship | Starbase | Large starbase |
Sorrow's Fang | 18000 | 8000 | 16000 | 24000 | 26000 |
Dark Spire | 19500 | 12000 | 17500 | 26000 | 28500 |
Citadel Ascendant | 18000 | 2500 | 16000 | 24000 | 26000 |
Neinzul Astrid | 16000 | 7000 | 4000 | 21500 | 23000 |