4 hodiny a 40 minut ve vzduchu - HYBRIX.20

Four hour forty minute flight for Quaternium HYBRiX.20
Plné znění článku najdete na adrese:
https://www.suasnews.com/2017/12/four-hour-forty-minute-flight-quaternium-hybrix-20/
Cituji vybrané části textu:
"Quaternium, a leading European brand of long-endurance multirotors, has flown for  4 hours and 40 minutes with their HYBRiX.20 fuel-electric quadcopter. They believe that this flight time beats any former demonstration ever made with an electric, hybrid of hydrogen multicopter...
HYBRiX.20 RPA was designed by Quaternium in 2014 and its first model was built in 2015, demonstrating the viability of hybrid technology to power drones....
This innovation solved the main limitation of the VTOL drone market: the lack of flight time. HYBRiX.20 is a fuel-electric aircraft, which means that it is an electric multirotor with a powerful genset based on a 2-stroke engine that keeps the battery charged during flight.
Adresa videa:
https://youtu.be/VNYcjFF4OwE