I got this idea because I don't like the idea that depending on how someone build his ship you can't immobilise it. You could just distribute the thruster modules all over the ship. So I thougt about a thrusters-core-block where you connect the thrusters to, to get the full potential out of them. If they aren't connected (physical) with the core-block or a chain of thruster-blocks that is connected with the core block you just get a lower effect from them e.g. 30%. Additional the thruster...
New Thruster Block
New Thruster Block