In the event that something goes horribly wrong while at high altitude it makes sense that things come back down under a bit of control!

droneyard.com/2013/07/01/uav-parachute-recovery-system/

What i’m struggling to solve is how to design the deployment system so that it does not tangle around the props when the UAV is falling in a tumble. I’m currently imagining a tub with either spring loaded deployment mechanism or a ballistic launch system.