Defiant will be flown at speeds up to 250 kt, slightly in excess of the 230 kt required by the army’s 2012 Broad Area Announcement. “We have designed fuel tanks to support the requirement, presuming that a modern technology engine will be available at a later time,” he explained.
Flying the 30,000 lb Defiant will also be a demonstration of scalability. The S-97 it is based on was a 7,000 lb vehicle, while the S-97’s precursor, the X2, weighed 2,000 lb
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