Friday 11 December 2009

National Geographic: Ultimate Structures - Super Copter




"Helicopters are among the most complex flying machines ever created. And the AgustaWestland EH101 and other cutting-edge helicopters -- like the Sikorsky S-92 and NH Industries' NH90 -- have taken the science of rotary flight to a whole new level."



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Posted by clare at 10:59
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2 comments:

  1. Anonymous11 December 2009 at 13:47

    fabulous website.ill be back be again for new ones.

    ReplyDelete
  2. richard11 December 2009 at 13:51

    very educational,

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