My mod is almost completed.
It contains:
1. Various maximal speed of the ships (from 57 to 132 m/s).
2. Various "mass" of the ships (accelerators gives about +50 m/s to heavy fghters, but about +80 m/s to light fighters).
3. The cargo hold capacities of freighters is increased.
4. Power of the ships is now balanced (Liberty heavy fighter is comparable with Corsairs' one).

I still need a help with SUR files (i'm not a good programmer on a V

P.S. Please, tell me some new ideas