Rotorcraft
Eurocopter X3 Sets Unofficial Helicopter Speed Record
To attain the unofficial helicopter speed record of 255 knots, the Eurocopter X3 was fitted with a new rotor hub fairing, as well as landing gear doors.
To attain the unofficial helicopter speed record of 255 knots, the Eurocopter X3 was fitted with a new rotor hub fairing, as well as landing gear doors.

Eurocopter announced today that its X3 compound helicopter demonstrator flew at 255 knots in level flight on Friday near Istres in southeast France. Also part of the unofficial speed record was a descent at 263 knots. These speeds are just a few knots higher than those the Sikorsky X2 semi-compound demonstrator attained in 2010.

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