These two are ships I've been working on over the past day or so. The first one is the EF Artemis. My ultimate goal with her is to be something between a Battlecruiser and a Destroyer. She's supposed to be well-armed, maneuverable, and relatively speedy. Something approximating turning slightly slower than a Hestia, but going about 1.5x maxspeed, with half the acceleration.

I plan to add a few pulse cannons, and increase the firing arc of the main beamers. My problems thus far:
1. I cannot get my ships to "float" while they move. Again, the Hestia as an example.. it doesn't just start and stop. It takes a half a second or so to get moving, and then it takes a half a second or so to stop. I want something proportionate to the Artemis' size.
2. Her A.I. behavior is strange. I want her to attack with the main cannons up front, but if she's passing her target, I'd rather she fire with her other, closer weapons before starting to turn. As it is, she will pass entirely, turn around, and attempt to attack with the main battery up front.
The second design I've started is the EFC Delena. The Delena is a small, fast cruiser, designed to bring down enemy capital craft. She is not, however, without defenses. The two Flak Gun arrays and two Particle Guns provide adequate defense against incoming fire, and allow punishing damage if turned on her opponent. I cannot decide whether she should be equipped with a Dieterling at her rear, or another heavy weapon like a Plasma Charge.

Problems:
1. Again, I have the movement issue. I'm not sure how to resolve this.
2. The Delena is supposed to be fast, but I want her to turn a little bit slower, so that she has to come around again before bringing her main guns to bear. I understand decreasing the turn rate should fix this, but I would like some other pointers.
C&C wanted and appreciated. I hope to provide some quality ships in the future!
(EDIT: Pics added.)