This Man Uses 54 Drones To Create One ‘Super Drone Helicopter’

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WOW

Drones are super popular know a days and it doesn’t seem like we can go a day without hearing about some instance in the news involving one. Well here a drone story that is truly incredible.

Youtuber gasturbine101 took 54 remote controlled drones and interlocked them together to create is very own personal helicopter. One man or woman is able to sit underneath the 54 drones and control the flying machine by themselves. It is rather impressive. Something tells me gasturbbine101 is no dummy and I think you will agree after you read his Youtube description of the video below!

The Swarm man carrying multi-rotor airborne flight testing montage. 54 counter-rotation propellers, six grouped control channels with KK2.15 stabilization. Take off weight 148kg, max lift, approx. 164kg. Endurance10 minutes. Power approx. 22KW.

Just a bit of fun for my self, never intended for making a significant journey or flying much above head height. Approx cost £6000.

Props at 18 in were the largest I could find with contra rotating pitches and so defines much of the layout. Also the fine pitch allows them to turn at high speed which reduces motor weight for a given power. Motor KV chosen to work with 4 cell batteries with 20% or so control margin. This low margin maximises the ESC efficiency, higher margin results in higher circulating current losses in the ESC and motor, reducing endurance.

54 chosen as this fits the hexagonal close pack layout. 6 more could be added in the centre. 18 in props at 5000 rpm though hazardous, are still much less so than 6, 5 ft ones. Where could you get a low power 5ft prop from weighing less than 1Kg with opposite pitches? The 54 gives good redundancy as mechanical and power electronic systems are the main failure areas. I have had one ESC randomly fail already. Controls could be made fully redundant (9 x KK2.15s) so only the control sticks (and pilot) are single failure points. Redundancy increases the likely hood of failure but reduces the consequences.

Props are standard RC aircraft types used at a relatively low fraction of their thrust/rpm capability. So should be reliable though needlessly heavy. Being inline with my head the polycarbonate dome is for protection. The polythene bubble balloons up catching some ground effect pressure rise contributing to lift. It also doubles as a rain shelter…

Batteries, ESC and motor are close together to minimise wiring weight which is significant because of the high current 30A. Also the battery damps vibration. Individual batteries does mean some may run down a little quicker than others. The front and rear groups are used for pitching, a more common manoeuvre so far than roll.

No one has spotted the biggest flaw! That is the large number of props running at high speed means the net torque reactions are relatively low, so the craft has little yaw authority. So it probably needs a tail rotor for spot turns.

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