actually you're not very far off.  I've devised a pretty ingenius system for the main cannon.  four large prongs (hence the Sathanas resemblence) fire "charger beams" into a central power shaft.  the shaft charges the energy and releases it as one blast.  the beam is devastating, but its drawbacks include a slow recharge rate and a very small firing arc.  I chose to implement this idea into a juggernaught because its the only type of ship capable of carrying such a weapon.  Naturally, it will have flak guns, AAAfs, and other beam cannons to hold off ships that aren't in front of it.  I realize that this isn't something incredibly spectacular but all the same, I am relativly new to this (though I purchased FS2 the christmas it came out).  if no one can help me, than thats fine, but I would really like to get this made.  oh well, I had to at least give it a shot.
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Delta