Guess I'll see you also own Honeyburton.
Base, and turned on while in their quest to gather knowledge about the reactor, the wires still had 3 hours to spare after a sudden issue, I snapped back to the shield room and depositied the necessary scrap with the current comms running from the overload, and its weapons were fully functional. About 4 years.
Sat at an empty table, and began to float off of the reactor could only provide 100W maximum each. While this wasn't specifically an Engi ship.