I think the Federation is a huge place and we only ever see small bits of it. I think it's more likely that ship classes not commonly seen in the three areas of the Federation (frontier for TNG, and then near Cardassia, and Earth) came together for the Dominion War. The fact that they look flung together from kits of other starships (going off canon here) was of course for cheaper effects and probably we were never "meant" to notice it as closely as those of us who pay painful attention to the Trek technical detail do. ("Heeeey, that's an Intrepid bottom and a Peregrine top! What the hell?!" is not probably a reaction 90% of viewers would have.)Mikey wrote:I do think the "Frankenstein" fleet is the best explanation for some of those kitbashes. As far as some fo the more specialized ship types; I think htat can be attributed to a willingness or ability to apply new technology "across teh baord," as it were. For example, the New Orleans-class is a result od applying GCS technology to a different and more limited role.
I never liked the idea that Starfleet merely cannibalized junkyards and threw junk ships together with bits and pieces of whatever was laying around, and getting some of those ships to work would be a nightmare. I always operate under the presumption that unless we are told a ship is totally custom slapjob (such as Maquis ships often are) or are told its new, then it is probably a class that has been in service in some form or another in some part of the Federation, even if we haven't seen it before.