Update: RotorX demonstrates Palledrone heavy-lift UAV at US Army AEWE 19 April 2021 by Pat Host RotorX has developed a fully autonomous heavy-lift unmanned hexacopter called the Palledrone that participated in the last two US Army Expeditionary Warrior Experiments (AEWEs). The Palledrone is a 3.2 m diameter autonomous resupply aircraft in the prototyping stages that is designed to carry up to 45 kg of cargo 8 km, and loads under 4.5 kg as far as 34 km. The aircraft can lift a payload of 36 kg for five minutes, and can fly with a full 45 kg payload for five minutes. Jeremy Epps, RotorX co-founder, told Janes on 6 April that the company is looking to increase the Palledrone’s payload capacity to 68 kg. RotorX, he said, has tested the Palledrone carrying about 48 kg.