I don't have a lot of experience in X2 (Captured the Perseus in X-T though). I have thus far captured about 10 Orinocos and around 10 Bayamons in X2 and am about 27 hours into the game. I haven't yet done mission 2.Some people say it's best to let the shields of your target fully recharge before blasting with Ion-Disruptors again, is this true?
However, I have tried both ways with ION Disruptors, and I don't think it matters which way you do it. I personally like to keep on their 6 and vary it, sometimes I hit them every few seconds and then sometimes I wait until they have around half shields.
Funny thing is, when I go in all angry and hot headed, twisting like mad and hitting them quick, they seem to bail much quicker - I am sure they can sense that I mean business! I have also tried growling like a mad dog when firing the first few shots and that seems to have 100% success rate (just joking, but you get the idea of how I go in sometimes).