Just noticing this for the first time. When the PDCs fire, there is a counter-thruster to keep the recoil from affecting the ship's attitude / maneuverability. I love little attentions to detail like that.
this post was submitted on 06 Apr 2025
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Whenever the Roci's railgun is fired, it's accompanied by a momentary burn of her main drive to cancel out that impulse.
https://youtu.be/C3pIB1ZdMiY
Except that time they use the rail gun as propulsion..
That was around Ilus when they're trying to tow the Barb to a safer orbit because the protomolocule changed the local laws of physics such that all of the ships' fusion drives no longer worked. The drive could have tried to compensate for that, but with fusion not working, it wouldn't have.
Plus, they could probably disable that somehow if they needed to (or Naomi or Amos could jerry-rig it for the same effect).
I just caught that, though not in action (will keep an eye out for it though). Just started season 4, and Alex mentions when it's getting installed that it needs to be synced with the engine or else they're gonna get thrown to the ceiling every time it fires (or something along those lines).