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UPDATED: SB-1 Defiant Team Gathering Ground Data For ‘Tweaks’ Before Envelope Expansion Flights

Dan Parsons By
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UPDATED: SB-1 Defiant Team Gathering Ground Data For ‘Tweaks’ Before Envelope Expansion Flights
The Sikorsky-Boeing SB>1 DEFIANT. Photo courtesy Sikorsky and Boeing.

WEST PALM BEACH, Fla. — After three test flights, Sikorsky and Boeing are gathering more data from the ground-based propulsion system test bed (PSTB) before it returns to the air, according to Sikorsky Vice President of Innovation Chris Van Buiten. “We’re thrilled with the data we’ve seen out of ground effect,” Van Buiten said June 24 during a media visit to Sikorsky’s test flight facility here. “Hover looks good.” One Sikorsky and one Boeing pilot have sat side-by-side in Defiant’s…

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