Northrop X-4 Bantam
The Northrop X-4 Bantam was an American jet powered experimental aircraft. The research program has been prepared by the National Advisory Committee for Aeronautics ( NACA ), the forerunner of NASA, passed.
The aircraft was a single-seat Pfeilflügler ( 41.5 ° wing sweep ) without tailplane. It was 7.10 m long, had a wingspan of 8.18 m and a maximum take-off mass of 3550 kg. It had a retractable tricycle landing gear and an ejection seat. It was powered by two Westinghouse J30 -WE -9 jet engines, each with 7.1 kN static thrust. The air intakes were located in the wing roots. The top speed of Mach 0.89 at high altitude.
From the X - 4, two examples were built. The first flight took place in 1948. In 1954, the program was discontinued.