Multirotor drones powered by hydrogen fuel cell system for incredible endurance

1. 

   whzydlfenny New Member

   Mar 27, 2017

   2

   0

   1

   Female

   Sales representative

   Wuhan,Hubei,China

   http://www.troowin.com

   #1 whzydlfenny, Mar 28, 2017

   https://www.facebook.com/video.php?v=105346116659064

    
2. 

   Jonathan Drone Expert

   Crew

   Aug 31, 2013

   1,302

   104

   63

   Male

   Drone Aerial Photographer

   York

   http://www.droneminds.com

   #2 Jonathan, Mar 28, 2017

   It's a good flight time, but running costs are very high.

    

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