Yeah, I was thinking about it more the next day and realised that I probably misunderstood how the output was supposed to work. That nearly 40% chance of nothing coming out would explain why it feels like I'm losing so much as well. Thanks for the quick response anyway.

I've been building some ships to upcycle asteroid chunks to higher quality, and I've noticed that sometimes, the crushers will not output a new chunk after finishing processing. It seems to happen a lot, while I've been watching I've seen one crusher eat 3 epic quality asteroids in a row and output ...