Kanka is built by just the two of us. Support our quest and enjoy an ad-free experience — for less than the cost of a fancy coffee. Subscribe now.

Sleeper drones are built to tarry on station for long periods. They have the Stationkeeping fitting as an integral part of their design, and when hovering their power use slows to a trickle. One day of hovering draws only five minutes worth of power from its cell.