I think the reason the bats were hitting themselves was because of the direction they were pointed, have it to where the bays point to center of the the cluster strike itself so that when they spin and the are ejected off they will still be pointing away the direction they are sent from the spinning
Btw, I haven’t finished the video so I don’t know if you fixed this but the reason your build is so shakey is because the drag (quantum rudders) are in the front