A Chinese hybrid multirotor drone achieved 7.3 hours world record endurance. It was a Hexa multirotor with 44 lbs (20kg) all up weight powered by hybrid system and carried 2.8 gallon (10.5 liter).
On January 19, 2018, a hybrid drone named ‘Owling’ took off at 9:15am and landed on 16:32pm. Flight hours 437 minutes. The hybrid system was provided by Richenpower Ltd.
Pilot
The H2 Drone Hybrid System normally claims 2.5+ hours of flight time with 1 gallon of gasoline (3.7 liters). Other features include:
- Power on Demand, for short POD
- Generator and battery dual power
- High efficiency AC-DC algorithm
- Limp Mode.
H2 System
Source: Press Release
[In December 2017, Spain’s Quaternium claimed a new world record for the endurance of a multi-rotor unmanned aircraft system (UAS). The four-hour, 40-minute drone flight took place in Valencia, Spain, on Dec. 24th using its HYBRiX.20 fuel-electric quadcopter for the record flight. -Ed.]