I see Weirdo and Jellico have already replied, but that's OK, since my book took a while to write in reply:
so the SLDF limited the spread of Capital Missiles so they didn't have to develop ships with AMS?
More like the effectiveness of capital missiles in a non-nuclear environment is such that there are far better alternatives out there, specifically naval autocannons, naval energy weapons and aerospace fighters. And, if you're unlikely to be facing large numbers of capital missile, tying up massive amounts of fire control and personnel for AMS batteries isn't as useful as some of the alternatives
I really like the WarShip concept I've just never understood why they didn't have a lot more defences. I know the initial WarShip concepts were so far removed from game play it's almost funny (they were myths of the past long forgotten) but as designs have gone on and it's quite obvious that the modern designs are built for the current rules with weapons for every occasion.
Yes and no.
Some of the designs you're seeing, especially the early Terran Hegemony designs, were thought up in-universe during an era when space warfare was new, no one was quite sure what a real space battle would look like and, as a result, experimented heavily.
House ships have almost always been about getting as much bang for their buck out of individual hulls as possible. Even then, the results of SLDF vs. House ships can be surprising, like Jellico's old test run of a Lola III vs. Davion II that he posted after Strat Ops shipped, where the Lola III, on paper the weaker ship, handily won.
I always had the impression that SLDF WarShips were designed with two ideas in mind: streamlining for *massive* construction runs, and supporting the SLDF's vast military.
You look back at what could arguably be classed as the Golden Age of WarShips the Star League-era where everyone had a prized fleet and find that they have few if any defences it's just really strange to me. Each of the member state ships (modern designed for the past) have secondary armaments.
In other words, the Member States have never, ever changed the essence of how they design WarShips. They build knowing they can never produce the number of hulls they actually need and, as a result, try to get the most bang for their buck from each hull, trying to fulfill as many use cases as possible.
Also, secondary armament is often not that useful on a WarShips. Case in point: would you rather have a gauss rifle with two tons of ammo in each of your WarShips's arcs, or, alternatively, a pair of LPLs, each doing 2 points of capital damage...or would you rather have a fighter bay? Personally, I think the fighter will be more useful most of the time.
And, by the same token, ignoring cost (which, really, isn't that much of an issue on a WarShip), would you rather have seven aerospace fighters, or a docking collar that allows you to carry a Vengeance class?
Now I'm pretty sure the argument for that in universe is the SLDF has hundreds of ships they can afford to take a couple of losses while the member states have far smaller fleets and need the protect themselves with anything and everything they have. That I could almost accept but the question would be why the SLDF cared so little about losing ships and didn't at least in some cases match the member states with special models of their ships.
The SLDF ships are often far more potent than their specs immediately reflect. The Lola III, with its bracketing NAC bays, is an example of this, giving it far more accuracy at range than its competitors.
I'd have really liked "Royal" versions of the SLDF's fleet that wasn't how many guns can we fit on this hull but something that kept true to the class but also brought it along almost like a modern design for the past like the member states get. Maybe just me I really should stop I don't want to completely derail this thread sorry
Royal SLDF WarShips? Yeah, that's not going to happen, for a variety of reasons.
Erm.... :-\ ah yes Field Manual Draconis Combine where were we :P
EDIT: even if you discount the SLDF completely jump into the First Succession War where member states have the old designs and the newer designs the battles look like they are going to be slug fests forget your McKennas look at an old Baron taking on a Davion II or a Tharkad running amok against old SLDF designs. Wonder if any of the states modded any of the old SLDF designs - that could be fun see how much they messed them up.
it sure explains why the WarShip fleets didn't survive.
Once you throw nukes into the mix, all bets are off. Just look at the Jihad.
What do we see after the Jihad? Pocket WarShips, vessels you can send into combat and lose without the crippling replacement costs of a WarShips. Massive increases in the use of anti-missile systems, to fend off nuclear-tipped capital missiles. Fighters and small craft designed to boost point defense, by adding more AMS batteries that can target those missiles.
Setting aside out-of-character arguments that WarShips take away from Battletech's focus on ground combat, post-Jihad, everyone realized that, unless you can build enough WarShips to really count, and can afford to lose them, you're better off building what you *can* afford to lose, and what you *can* build in number.
Should we see new WarShips built in the post-Dark Age era, you'll likely see some of these lessons taken to heart: expect to see things like Naval C3, or mass batteries of AMS, or more consideration to anti-fighter defenses (though, as I mentioned above, the best defense is more fighters).