Maybe it destroys the ship to PREVENT overuse, and adds a realistic weapon overload aspect to the cannon.
If you spam-fire the underslung heavy weapon, it overheats and melts part of the ship. INSL might be in order?
This is great. Reminds me of a star destroyer. +1
Pretty good. Just get some finctionality and we're set
Very nice. Use the Vamperial Galactic Warfleet logo from this save. ID:2247952