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Special Hobby 100-SH72168 X-1B 'NACA Modification Program' 1:72

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Special Hobby 100-SH72168 X-1B 'NACA Modification Program' 1:72

Bell X-1 (originally XS-1) was a very successful test aircraft. It earned its place in history by breaking the Sound barrier on
September 14, 1947. Only three aircraft of the original version were built of serial numbers 46-062, 46-063 a 46-064.
Both USAAF High Command and NACA ordered the so-called „Second Generation" X-1 at Bell company. It subsequently
comprised X-1D of serial number 48-1386, X-1A of sn. 48-1384 and X-1B of sn. 48-1385. Original order had called for 4 aircraft but
X-1C was never completed.
The „Second Generation" X-1s were bigger, its fuel tanks' capacity was enlarged, the canopy extended from the aircraft outline and all
aircraft were equipped by all-movable horizontal stabilizer.
The first manufactured machine X-1D was transported to the Edwards AFB swung bellow B-50. The first glide flight was made on July 24, by Bell test pilot J. Ziegler. The first powered flight was scheduled on August 22 but during the climbing of B-50 exploded the X-1D's fuel tank. The pilot Maj F. Everest was saved on board B-50 but heavy damaged X-1D was jettisoned into desert and destroyed on impact. Due to the high speed problems was decided to use X-1A for high altitude flights without exceeding Mach 2. On August 26, 1954 Maj
A. Murray achieved altitude of 27 566m. Afterwards the X-1A was handed over to be modified and to receive ejection seat. During
subsequent flight attempt on August 8, 1955 it exploded below B-50. In sum X-1A carried out 26 flights.
X-1B first glide flight was made on September 24, 1954 and its powered flight was on October 8. Initially it served for X-1 program
pilots' check out. Later on it served for research of the aerodynamic heating during Mach 2 and above speeds. At the end of its test
career it was equipped by new wings with reaction control system. The last pilot to fly X-1B was the future astronaut N. Armstrong. X1B carried out 27 flights, most of them with J. McKaye under controls. X-1B had been discarded on January 23, 1958 due to cracks in
LOX tank that proved too expensive for repair. It was handed over to the USAF museum at Wright-Patterson base.
Technical data:
Wingspan: 8.54m, Length: 10.83m, Max. Speed: Mach 2.44, Service ceiling: 27566m, Duration under full throttle: 4.6 mins
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