Singaporean company Horizon Unmanned Systems (HUS) unveils HYCOPTER, the world’s first hydrogen fuel cell powered multi-rotor UAV. HYCOPTER is being readied for a record flight endurance of 4 hours, or around 8 to 10 times the average flight duration of equivalent systems today …

AUVSI: Horizon Unveils the World’s First Hydrogen Powered, 4H-Endurance Multi-Rotor UAV

Even  if it doesn’t quite make 4 hours, this is very impressive.

Two hours and 20 minutes with 1kg payload …

SOURCE: Everyone’s Blog Posts – DIY Drones – Read entire story here.