In addition to the range increases, my ideas would be the following:
1) Capital Targeting systems
Similar to the Targeting Computer, but using the extensive sensors on larger craft with a dedicated mainframe to crunch numbers, this is a massive installation that gives the mounting sip a bonus to-hit an opponent. Figure Order Of Magnitude increases in size give a 1-pt bonus to hit. Overall targeting would be used to keep ASF honest and afraid, while specific targeting systems would be used when the mounting ship wants to focus fire on a single target. Multiple targeting systems can be taken, but cannot stack effectiveness (often used for AA director, Primary targeting system, and secondary targeting system)
2) Capital ECM systems
Instead of just using maneuvering to make the to-hits harder, this is a larger form of Guardian ECM that makes targeting the mounting ship far more difficult. Again, order-of-magnitude increases in mass would make the mounting platform 1 pt harder to hit. There could be general ECM systems designed to interfere with all opponents, and specific ECM systems that can only affect one target. The general ECM would be used to make ASF have a miserable time trying to hit it, but would be very massive for their size. Single-target ECM would be used when two battleships are dueling each other, or torpedo boat style Dropship would be making a run to unload its short-range heavy ordnance.
3) Hardened armor
This would require changes to the Bay listings, as they would have to tell how many weapons were in that bay. When that bay fires, take the Hardened armor value, multiply that by the number of weapons in the bay, and that is how much standard damage is ignored from that Bay's hit.
So the following weapon bays may seem the same:
- M Laser Bay - 600 pts standard damage
- L Laser Bay - 600 pts standard damage
- SCL/3 Bay - 600 pts standard damage
- HNPPC Bay - 600 pts standard damage
If they hit armor, there is no difference. But if the bays listed the number of weapons present, it would look like:
- M Laser Bay (120) - 600 pts standard damage
- L Laser Bay (75) - 600 pts standard damage
- SCL/3 Bay (20) - 600 pts standard damage
- HNPPC Bay (4) - 600 pts standard damage
So assuming they fire at a vessel with Hardened armor 6, then they do the following amounts of damage:
- M Laser Bay (120) - 0 pts standard damage (120*6 = 720, and weapons cannot do less than 0 damage)
- L Laser Bay (75) - 150 pts standard damage (75*6 = 450, 600-450 = 150 pts of damage)
- SCL/3 Bay (20) - 480 pts standard damage (20*6 = 120, 600-120 = 480 pts of damage)
- HNPPC Bay (4) - 576 pts standard damage (4*6 = 24, 600-24 = 576 pts of damage)
So you need heavier weapons to punch holes into Warships, but once the armor is penetrated this hardening does not affect the internal structure. Hardened armor would mass much more than regular armor, so you'd have fewer armor points total (but each point would be much harder to remove). External items are vulnerable to being damaged via critical hits, but those would have a targeting penalty to hit:
"Alpha one-one, pull back from the battleship, you are not equipped for anti-shipping"
"Negative, I'm out of position. I can't hurt it, but I can try and damage that primary sensor array so it can't hit the Belshemire as effectively"
"With all the jamming that ship is throwing out, you'll have to be right on top to hit that system"
"I know. But they sent all of their ASF and AA forward, and there is a narrow volume where its anti-fighter weapons can't hit me. Wish me luck."
A facing's armor might be written as H-6, Th-70, Armor-5000. This would represent a slab of armor that has 6 pts of hardened armor, enemy vessels need to inflict 70+ pts of damage to threshold it, and there are a total of 5000 pts of armor.
4) Larger ship, larger bay
Capital ships are currently set up where their max size bay is the same, no matter if it is a 150 kton Frigate, or a 2.4 Megaton Battleship. My proposal would be something like Mass/10,000 (FRU), is the maximum size of a single Bay. So the 150 kton frigate can have bays up to 15 capital damage, while the 2.4 Megaton Warship can have bays up to 240 pts in capacity.