We would want one at least for each sector to serve as a flagship. They are also very good at multiple roles, so if we need a diplomatic ship or science ship they can be tapped for that as well. Ideally we would want to construct 1 Explorer class and 2 to 3 Cruiser/Escort Classes a year for a balanced fleet. Explorers have heavy shields so they take longer for combat degradation as well as opposed to cruisers and escorts.
I don't doubt that, but if we spend all our BR on two new explorers, we're going quite a bit away from the 1:2 or 1:3 ratio you suggest. Without any new builds, we are going to have three non-Explorer-Corps Excelsiors, which is enough for all three of our potential high-tension areas. Yes, we
do want more, one in every sector would be great! But we need to balance that want against the need for other ship types. There is going to be a gap in cruiser production while we get the Renaissance research done, too, and that project is looming. Are we going to accept a 1:1 explorer:cruiser ratio for the next eight to ten years or so?
I would suggest we start one Excelsior and several Constellations and maybe an Oberth, choose whether we want to go ahead with the Constellation refit or leave it, and start the Renaissance project as soon as we can reasonably expect it to produce a ship that isn't underpowered.
Why do we in fact need the small stuff? Especially once Lone Ranger goes into effect, the Excelsiors will count less against our total combat score.
Smaller ships are easier to redistribute. They more easily fill small garrison requirements in non-frontier sectors. And if the sector fleet has a good distribution of ships, it's less vulnerable to a single event taking most of the sector's defenses out of commission.
Furthermore, although an explorer-class ship has excellent capabilities, it can't be everywhere. If it's the primary component of a sector's defense, can it afford to chase down every sensor ghost? Inspect every suspicious freighter? Intercept both prongs of a pincer attack? Rescue itself from a trap?
Lone Ranger Doctrine is designed to support our explorer-class ships, yes. But mostly the Five Year Missions. And in any event, the situations where our sector fleets are going to outnumber the enemy are going to be rare, mostly to do with ships you don't want to 1v1 anyway, or when we pull in an allied fleet.
It's worth noting that we're moving towards a world with around five 3m t berths, four 2.5m t berths, and nine 1m t berths. Unless you plan to leave most of those empty, we will have the space to complete two Excelsiors and two other ships a year while still leaving a small and a large berth empty for repairs.
Yes, our issue is not berths, but resources. And eventually we will need those 3m berths for ships other than our explorer-class vessels. But we're talking specifically about using every last one of our BR for two Excelsiors, not producing a balance. That's specifically what I'm objecting to. It would be different if we had more resources on hand or in income.
First, you shouldn't include the Explorer Corps when talking about the composition of our home fleets, those are entirely different issues.
They draw on the same pool of resources in production. Resources is the crux of the current issue I have.
Second, "top heavy" is a concept that doesn't really apply. Unlike carriers in current blue water navies Explorers don't need any support at all because they are designed to be able to operate on their own, nor do they benefit more from being teamed up with other ship types than with other explorers (unless you have Combined Fleet Doctrine which we don't). Just look at the battle of Kadesh: Two of the task forces were made up of explorers exclusively even though there were plenty of smaller ships available to form mixed groups. We could have a fleet composed 100% of explorers and the only possible problem would be not being able to split up as widely as if we had more ships (and that the QM would probably introduce new mechanics to discourge such an extreme). A single Explorer per sector isn't just not a problem, it's the opposite of a problem. We could have two explorers per sector and only slightly more smaller ships than now and it still shouldn't be a problem.
I disagree. Going with 100% explorers will get us horrifically out-produced by other polities, and will also mean our explorers have to take on the jobs of 3 ships each. Although they may be the equivalent of 3 ships in combat, they
cannot be in three places at once. Economics like that is the fatal flaw of going "top-heavy". We
need cruisers, whether we like it or not. They are simply better for the equivalent cost. We need explorer-class ships too, but producing them exclusively will have poor results.