Don't worry over it, CadetNewb. We appreciate you keeping in touch and mentioning why you'd be scarce. This much is enough.
Take your time, focus on that sewing for that cosplay and have a good time.
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I just want to point out something for the people on Miharu.
Pushing the ship's engines like Yukari said is entirely possible. It's like pushing a domestic car to go to 200kph and over. It's certainly feasible, but hardly advisable and more than just because of speed limit laws.
Not to mention that Miharu is an experimental vessel, with limiters, black box equipment, etc. After all, if a Plumeria can go to over 20 000c with a single CFS unit, why shouldn't Miharu possibly be able to when it has 4 of them? It's certainly within the realm of possibility to make such a thing possible for a short time... even if that wasn't "as designed".
There are measures which can be taken to make it so that a CFS unit won't risk blowing up and be destroyed after 30 to 60 seconds of use. Unfortunately, soul searching talk between sprites does not count to lessen those risks.