Uh...under HG there is no mechanism for different kinds of fighters relative to task. Only in size and/or type of armament, and those are all pretty minimal if you stick with fighters under 100 tons.
As for the Tigress I think it's pretty obvious that it was an exercise in Death Star construction to see how far you can push the practical limits of HG and probably shouldn't be considered a realistic weapons platform. I could see one or two being built by some mad emperor and then kept as show pieces more than as something you'd risk using in action very often. There's your dreadnought similarity if your looking for one.
But since a significantly smaller, more agile, and cheaper ship can carry the same ship-killing meson gun a Tigress can - and kill a Tigress with it - then the case can be made that there is probably a certain plateau reached in BB design. Otherwise why the debate on BB vs. BR?
I agree wholeheartedly with the idea of BB's a way to exert power projection over the Imperium, but I doubt the ships would be going it alone any more than a carrier group does today so they don't have to be these gigantic monsters unless you really want them to. Wet navy ships operating in a very different environment - weaponry and armor-wise, too - and while making those elegant old ships and tactics a model for your own space navies is tempting it blinds one to the limits of the HG weapon and defensive systems.
While a Dreadnought (or BB) had all those centrally-controlled big guns, it also had locally-controlled smaller ones for anti-torpedo boat/destroyer/whatever fire. It could engage multiple targets and even its main guns could fire on two different opponents if need be. Its armor kept out anything smaller than the ships itself carried as a main weapon.
An HG BB can't do all that. The spinal gun can only fire at one target at a time, and it ignores armor. A meson screen might help you, as does agility, a high end computer, and configuration - but even those all point to a major argument against having giant battlewagons: a smaller hull with the same, or larger spinal gun can have all those same advantages at a significantly lower price and can kill the bigger ship in one shot.
The same argument can be made to endorse smaller, purpose-built transports, carriers, and such to perform different duties around the Imperium or as part of a single strategic group. It also enhance survivability in combat since you don't have all your eggs in one basket like you would with a Tigress. Why waste the space inside your BB hull with planetary assault troops if you can use a smaller hull and get a higher armor and screen rating for greater survivability (read: ability to win) in combat?
As for the Tigress I think it's pretty obvious that it was an exercise in Death Star construction to see how far you can push the practical limits of HG and probably shouldn't be considered a realistic weapons platform. I could see one or two being built by some mad emperor and then kept as show pieces more than as something you'd risk using in action very often. There's your dreadnought similarity if your looking for one.
But since a significantly smaller, more agile, and cheaper ship can carry the same ship-killing meson gun a Tigress can - and kill a Tigress with it - then the case can be made that there is probably a certain plateau reached in BB design. Otherwise why the debate on BB vs. BR?
I agree wholeheartedly with the idea of BB's a way to exert power projection over the Imperium, but I doubt the ships would be going it alone any more than a carrier group does today so they don't have to be these gigantic monsters unless you really want them to. Wet navy ships operating in a very different environment - weaponry and armor-wise, too - and while making those elegant old ships and tactics a model for your own space navies is tempting it blinds one to the limits of the HG weapon and defensive systems.
While a Dreadnought (or BB) had all those centrally-controlled big guns, it also had locally-controlled smaller ones for anti-torpedo boat/destroyer/whatever fire. It could engage multiple targets and even its main guns could fire on two different opponents if need be. Its armor kept out anything smaller than the ships itself carried as a main weapon.
An HG BB can't do all that. The spinal gun can only fire at one target at a time, and it ignores armor. A meson screen might help you, as does agility, a high end computer, and configuration - but even those all point to a major argument against having giant battlewagons: a smaller hull with the same, or larger spinal gun can have all those same advantages at a significantly lower price and can kill the bigger ship in one shot.
The same argument can be made to endorse smaller, purpose-built transports, carriers, and such to perform different duties around the Imperium or as part of a single strategic group. It also enhance survivability in combat since you don't have all your eggs in one basket like you would with a Tigress. Why waste the space inside your BB hull with planetary assault troops if you can use a smaller hull and get a higher armor and screen rating for greater survivability (read: ability to win) in combat?