Lessee....just a little thinking out loud for a bit...
One possibility is that the glowy bits and fanblades under the translucent dome are part of the plasma injector mechanism, or some sort of impellor setup to get the warp drive working. Maybe some new tech development, or at least improvement, over what they had back in Archer's day.
One possibility is that the glowy bits and fanblades under the translucent dome are part of the plasma injector mechanism, or some sort of impellor setup to get the warp drive working. Maybe some new tech development, or at least improvement, over what they had back in Archer's day.