Thursday, December 20, 2007

Spy planes to recharge by clinging to power lines

  • 11:08 18 December 2007
  • news service
  • Paul Marks

The next time you see something flapping in the breeze on an overhead power line, squint a little harder. It may not be a plastic bag or the remnants of a party balloon, but a tiny spy plane stealing power from the line to recharge its batteries.

The idea comes from the US Air Force Research Lab (AFRL) in Dayton, Ohio, US, which wants to operate extended surveillance missions using remote-controlled planes with a wingspan of about a metre, but has been struggling to find a way to refuel to extend the plane's limited flight duration. Read more...

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