Wednesday, September 29, 2010

X3 Gyroplane Uses 15 Blades to Race at 253MPH

http://gizmodo.com/5650916/x3-gyroplane-uses-15-blades-to-get-253mph?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+gizmodo%2Ffull+%28Gizmodo%29

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