DroneKite

DroneKite concept.

Idea to combine an aerial drone with a dispatchable kite for long-distance, low-energy transport. You read it here first - this has never been previously proposed anywhere. The drone with cargo takes off from the ground and releases the kite once it reaches a certain altitude. The high-altitude wind then allows for for long-distance sailing, possibly over thousands of kilometers. Near the landing destination, the drone motors take over again and navigate the vehicle to the ground. The kite may be retracted at this point or manually on the ground.

• Relies on accurate weather prediction
• Especially suitable for cargo made up with powdery consistency: can be dumped in case of failure (cargo in a bag). This is important safety feature).
• Can pick up new cargo and deliver it to yet another destination, eventually making its way around the world with the jet stream.
• Batteries can recharge on drag at high altitude. This just requires some velocity differential.
• May need more than one drone for proper navigation. This is also a safety feature: in case one drone fails, the other one is still available to do an emergency landing.