The SB-1 Defiant from Sikorsky-Boeing, a next-generation helicopter being developed under the US Army’s joint multi-role technology demonstrator program — has achieved a key milestone by reaching speeds greater than 200 knots, industry executives announced June 16.
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| Sikorsky test pilot Bill Fell noted that during the flight test Defiant reached speeds of 205 knots while using less than 50 percent of the helicopter's installed propeller power (Picture source: Sikorsky) |
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