Zephyr-6 flew for 83.5 hours on batteries charged up by its solar 
panels.  

http://news.bbc.co.uk/2/hi/science/nature/7577493.stm

Shame it's only intended for military purposes, but then spin offs 
have a habit of making it down to normal people.

Colin
--
cdb,  on 24/08/2008



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