Are custom subsystems possible?

[CavemanX]

Like the thread title says, is it possible to define new subsystem designs? The original ones are in a sys.def and define what components for example a fusion reactor has. I tried to make my own sys.def and even place it in a /systems directory, but the game is not reading it.
I'm hoping Milo or anybody could confirm if the game supports this level of customization at all...

[Dragonlead]

If you are using the -filesys extension, I don't think you need to put the sys.def in its own folder. When de-datting the game, the sys.def is one of a very few files that is in the root directory.

V/R