by Gary Mortimer
I will just park this hereā¦
The Swarm man carrying multi-rotor airborne flight testing montage. 54 counter-rotation propellers, six grouped control channels with Hobbyking stabilization. Take of weight 148kg, max lift, max approx. lift 164kg. Endurance10 minutes.
Last years test flight.
https://youtu.be/1qlfAMjcPtI
http://www.suasnews.com/2015/08/38169/the-swarm/