[ExI] worlds fastest helicopter

[spike]

Last month, Sikorsky tested its AX coaxial-rotor helicopter and achieved a
speed of 260 knots. Tthat makes this particular helicopter the fastest on
the planet by about 100 of knots.  The Sikorsky lads have really
accomplished something here.  Cool video too:

                   
              http://devour.com/video/worlds-fastest-helicopter/

 

spike

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