HyFish has a wingspan of 1m, a total lenght of 1.3m and a weight of 6.1kg. The fuel cell system including electronics and hydrogen tank has a weight of 3kg and an electrical output of 1kW. Possible flight time is around 15min when flying full speed, when using less power the flight time will be much longer. Download the video when you want to see HyFish flying: In April 2007 we made a short video with a flight sequence of HyFish, a small SmartFish powered with a hydrogen fuel cell. The video is in Windows Media File format.       Video HyFish (5MB) Save the video  file to your computer (on a pc that is a right click and "save link as" or "save as"). Click on the underlined link www.microsoft.com/windows/windowsmedia/players.aspx to download the free media player (For Windows and for Mac) from Microsoft if you can not watch the video.