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In its most recent test flight last week, the Sikorsky-Boeing SB>1 Defiant coaxial helicopter flew faster than 200 knots and with another 50 percent power in reserve is set to “well exceed” the target speed of 230 knots in coming months.
“Two hundred and five knots is just a number, but it’s a number that you’re not typically accustomed to hearing with respect to a helicopter,” Bill Fell, Sikorsky’s chief test pilot, told reporters during a video conference call June 16. “Expect a lot more in the future because we have a lot more prop power to apply in this machine. "
originally posted by: Bigburgh
a reply to: RadioRobert
That's hauling a$$ for rotary!
Edit: wish I knew what they plan for it. The V-22 Osprey ( 351 mph ) easily exceeds this.