Bell X-1: Первый прорыв звукового барьера

Введение

Bell X-1 был первым пилотируемым самолетом, превысившим скорость звука в горизонтальном полете, и первым из серии самолетов X.

Пилоты XS-1

ПилотАгентствоПолетыСамолет Джозеф Кэннон Bell Aircraft 1 46 064 Chalmers "Slick" Goodlin Bell Aircraft 26 46 062 (9), 46 063 (17) Alvin "Tex" Johnston Bell Aircraft 1 46 063 Jack Woolams Bell Aircraft 10 46 062 Robert Champine NACA 13 46 063 Scott Crossfield NACA 10 46 063 John H. Griffith NACA 9 46 063 Herb Hoover NACA 14 46 063 Howard Lilly NACA 6 46 063 Joseph A. Walker NACA 2 46 063 Fred Ascani USAF 1 46 063 Albert Boyd USAF 1 46 062 Frank Everest USAF 10 46 062 James Fitzgerald USAF 7 46 062 Patrick Fleming USAF 1 46 062 Richard Johnson USAF 1 46 062 Gustav Lundquist USAF 6 46 062 Jack Ridley USAF 5 46 062 Chuck Yeager USAF 34 46 062 (33), 46 063 (1)

Полеты XS-1

VehicleFlight #DatePilotAircraftAgencyVelocity Mach Altitude m Комментарии XS 1 #1 19 января 1946 Джек Вуламс 46 062 Bell 1 #1 ? ? База Пайнкасл, Флорида. Планирующий полет. XS 1 #2 5 февраля 1946 Джек Вуламс 46 062 Bell 2 #1 ? ? База Пайнкасл, Флорида. Планирующий полет. XS 1 #3 5 февраля 1946 Джек Вуламс 46 062 Bell 3 #1 ? ? База Пайнкасл, Флорида. Второй полет в этот день. Планирующий полет. XS 1 #4 11 февраля 1946 Джек Вуламс 46 062 Bell 4 #1 ? ? База Пайнкасл, Флорида. После посадки уборка шасси, повреждение левого крыла. Планирующий полет. XS 1 #5 19 февраля 1946 Джек Вуламс 46 062 Bell 5 #1 ? ? База Пайнкасл, Флорида. Убрана носовая стойка шасси при посадке. Повреждение двери шасси. Планирующий полет. XS 1 #6 25 февраля 1946 Джек Вуламс 46 062 Bell 6 #1 ? ? База Пайнкасл, Флорида. Испытания на направляющую устойчивость. Планирующий полет. XS 1 #7 25 февраля 1946 Джек Вуламс 46 062 Bell 7 #1 ? ? База Пайнкасл, Флорида. Испытания продольной устойчивости. Второй полет в этот день. Планирующий полет. XS 1 #8 26 февраля 1946 Джек Вуламс 46 062 Bell 8 #1 ? ? База Пайнкасл, Флорида. Испытания динамической устойчивости. Планирующий полет. XS 1 #9 26 февраля 1946 Джек Вуламс 46 062 Bell 9 #1 ? ? База Пайнкасл, Флорида. Испытания скорости крена. Второй полет в этот день. Планирующий полет. XS 1 #10 6 марта 1946 Джек Вуламс 46 062 Bell 10 #1 ? ? База Пайнкасл, Флорида. Испытания продольной устойчивости. Планирующий полет. XS 1 #11 11 октября 1946 Чалмерс Гудлин 46 063 Bell 1 #2 ? ? Все полеты XS-1 теперь с базы Мюрока, Калифорния. Ознакомительный полет, планирующий полет. XS 1 #12 14 октября 1946 Чалмерс Гудлин 46 063 Bell 2 #2 ? ? Планирующий полет. XS 1 #13 17 октября 1946 Чалмерс Гудлин 46 063 Bell 3 #2 ? ? Планирующий полет. XS 1 #14 2 декабря 1946 Чалмерс Гудлин 46 063 Bell 4 #2 ? ? Планирующий полет. Проверка системы сброса топлива. XS 1 #15 9 декабря 1946 Чалмерс Гудлин 46 063 Bell 5 #2 0,79 10675 Первый полет с двигателем. Небольшой пожар в двигателе. XS 1 #16 20 декабря 1946 Чалмерс Гудлин 46 063 Bell 6 #2 ? ? Ознакомительный полет. С работающим двигателем. XS 1 #17 8 января 1947 Чалмерс Гудлин 46 063 Bell 7 #2 0,80 10675 Исследование границы помпажа. XS 1 #18 17 января 1947 Чалмерс Гудлин 46 063 Bell 8 #2 0,80 ? Исследование границы помпажа. Полный подъем. XS 1 #19 22 января 1947 Чалмерс Гудлин 46 063 Bell 9 #2 ? ? Исследование границы помпажа. Полный подъем. Отказ телеметрии. XS 1 #20 23 января 1947 Чалмерс Гудлин 46 063 Bell 10 #2 ? ? Исследование границы помпажа. Полный подъем. XS 1 #21 30 января 1947 Чалмерс Гудлин 46 063 Bell 11 #2 0,75 ? Ускоренные сваливания. Частичная мощность. XS 1 #22 31 января 1947 Чалмерс Гудлин 46 063 Bell 12 #2 0,70 ? Исследование границы помпажа. XS 1 #23 5 февраля 1947 Чалмерс Гудлин 46 063 Bell 13 #2 ? ? Калибровка прибора для измерения скорости. XS 1 #24 7 февраля 1947 Чалмерс Гудлин 46 063 Bell 14 #2 ? ? Исследование границы помпажа. XS 1 #25 19 февраля 1947 Чалмерс Гудлин 46 063 Bell 15 #2 ? ? Ускоренные сваливания. XS 1 #26 21 февраля 1947 Чалмерс Гудлин 46 063 Bell 16 #2 ? ? Полет прерван после старта. Низкое давление в камере двигателя. XS 1 #27 10 апреля 1947 Чалмерс Гудлин 46 062 Bell 11 #1 ? ? Планирующий полет, проверка сваливания. XS 1 #28 11 апреля 1947 Чалмерс Гудлин 46 062 Bell 12 #1 ? ? Первый полет с двигателем самолета №1. Повреждена носовая стойка шасси. XS 1 #29 29 апреля 1947 Чалмерс Гудлин 46 062 Bell 13 #1 ? ? Проверка управляемости. XS 1 #30 30 апреля 1947 Чалмерс Гудлин 46 062 Bell 14 #1 ? ? Проверка управляемости. XS 1 #31 5 мая 1947 Чалмерс Гудлин 46 062 Bell 15 #1 ? ? Проверка управляемости. XS 1 #32 15 мая 1947 Чалмерс Гудлин 46 062 Bell 16 #1 ? ? Испытание границы помпажа. Неисправность демпфера элеронов. XS 1 #33 19 мая 1947 Чалмерс Гудлин 46 062 Bell 17 #1 ? ? Испытание границы помпажа. XS 1 #34 21 мая 1947 Чалмерс Гудлин 46 062 Bell 18 #1 ? ? Испытание границы помпажа. XS 1 #35 22 мая 1947 Элвин "Текс" Джонстон 46 063 Bell 17 #2 0,72 ? Ознакомление пилота. Вытяжка с перегрузкой 8g (78 м/с²). XS 1 #36 29 мая 1947 Чалмерс Гудлин 46 063 Bell 18 #2 0,72 ? Калибровка скорости. Конец программы Bell. XS 1 #37 5 июня 1947 Чалмерс Гудлин 46 062 Bell 19 #1 ? ? Демонстрация для Ассоциации авиационных писателей. XS 1 #38 6 августа 1947 Чак Йегер 46 062 ВВС США планер 1 ? ? Ознакомление пилота. XS 1 #39 7 августа 1947 Чак Йегер 46 062 ВВС США планер 2 ? ? Планирующий полет. XS 1 #40 8 августа 1947 Чак Йегер 46 062 ВВС США планер 3 ? ? Планирующий полет. XS 1 #41 29 августа 1947 Чак Йегер 46 062 ВВС США с двигателем 1 0,85 ? Первый полет с двигателем ВВС США. XS 1 #42 4 сентября 1947 Чак Йегер 46 062 ВВС США 2 0,89 ? Отказ телеметрии. Полет пришлось повторить. XS 1 #43 8 сентября 1947 Чак Йегер 46 062 ВВС США 3 ? ? XS 1 #44 10 сентября 1947 Чак Йегер 46 062 ВВС США 4 0,91 ? Испытание стабильности и управляемости. XS 1 #45 12 сентября 1947 Чак Йегер 46 062 ВВС США 5 0,92 ? Проверка руля высоты, стабилизатора и помпажа. XS 1 #46 25 сентября 1947 Чак Йегер 46 063 NACA приемка ? ? Выгорела четвертая трубка двигателя. XS 1 #47 3 октября 1947 Чак Йегер 46 062 ВВС США 6 ? ? Проверка руля высоты, стабилизатора и помпажа. XS 1 #48 8 октября 1947 Чак Йегер 46 062 ВВС США 7 0,925 ? Калибровка скорости. XS 1 #49 10 октября 1947 Чак Йегер 46 062 ВВС США 8 0,997 ? Испытание стабильности и управляемости. XS 1 #50 14 октября 1947 Чак Йегер 46 062 ВВС США 9 1,06 13115 Первый сверхзвуковой полет. 1126 км/ч. XS 1 #51 21 октября 1947 Герб Гувер 46 063 NACA планер 1 ? ? Ознакомительный полет. Проверка сваливания. Коллапс носовой стойки шасси при посадке. XS 1 #52 27 октября 1947 Чак Йегер 46 062 ВВС США 10 ? ? Отказ двигателя. Ракета не сработала. XS 1 #53 28 октября 1947 Чак Йегер 46 062 ВВС США 11 ? ? Отказ телеметрии. XS 1 #54 29 октября 1947 Чак Йегер 46 062 ВВС США 12 ? ? Отказ телеметрии. XS 1 #55 31 октября 1947 Чак Йегер 46 062 ВВС США 13 ? ? XS 1 #56 3 ноября 1947 Чак Йегер 46 062 ВВС США 14 ? ? XS 1 #57 4 ноября 1947 Чак Йегер 46 062 ВВС США 15 ? ? XS 1 #58 6 ноября 1947 Чак Йегер 46 062 ВВС США 16 1,35 14823 Первый в истории полет самолета, превысивший рекорд скорости полета 6 июля 1944 года (702 миль/ч / 1130 км/ч) Хайнца Дитмара на Me 163B V18 XS 1 #59 16 декабря 1947 Герб Гувер 46 063 NACA с двигателем 1 0,84 ? Нет записи телеметрии. XS 1 #60 17 декабря 1947 Герб Гувер 46 063 NACA 2 0,80 ? Ознакомление. XS 1 #61 6 января 1948 Герб Гувер 46 063 NACA 3 0,74 ? Повороты, вытяжки до помпажа. XS 1 #62 8 января 1948 Герб Гувер 46 063 NACA 4 0,83 ? Повороты, вытяжки до помпажа. XS 1 #63 9 января 1948 Говард Лилли 46 063 NACA 5 ? ? Ознакомление пилота. XS 1 #64 15 января 1948 Говард Лилли 46 063 NACA 6 0,76 ? Повороты, вытяжки до помпажа. Скольжения боком. XS 1 #65 16 января 1948 Чак Йегер 46 062 ВВС США 17 0,9 ? Калибровка скорости. XS 1 #66 21 января 1948 Герб Гувер 46 063 NACA 7 0,82 8845 Испытание эффективности стабилизатора. XS 1 #67 22 января 1948 Чак Йегер 46 062 ВВС США 18 1,2 ? Исследование распределения давления. XS 1 #68 23 января 1948 Герб Гувер 46 063 NACA 8 0,83 ? Попытка высокоскоростного полета. Прервана из-за падения давления в камере. XS 1 #69 27 января 1948 Герб Гувер 46 063 NACA 9 0,925 11590 Высокоскоростной полет. Цилиндры 2 и 3 не работали. XS 1 #70 30 января 1948 Чак Йегер 46 062 ВВС США 19 1,1 ? Исследование распределения давления. XS 1 #71 28 февраля 1948 Джеймс Фицджеральд 46 062 ВВС США 20 ? ? Пожар в двигателе при старте. Сброшены горючие вещества. Планирующий полет. XS 1 #72 4 марта 1948 Герб Гувер 46 063 NACA 10 0,943 12200 Высокоскоростной полет. XS 1 #73 10 марта 1948 Герб Гувер 46 063 NACA 11 1,065 ? Первый сверхзвуковой полет NACA. Носовая стойка шасси не вышла при посадке. Незначительные повреждения. XS 1 #74 11 марта 1948 Чак Йегер 46 062 ВВС США 21 1,25 ? Достигнута скорость 1,25 Маха в пикировании. XS 1 #75 22 марта 1948 Герб Гувер 46 063 NACA 12 1,12 ? Испытание стабильности и нагрузок. XS 1 #76 26 марта 1948 Чак Йегер 46 062 ВВС США 22 1,45 12239 Достигнута скорость 1,45 Маха в пикировании. Наивысшая скорость, достигнутая на оригинальном XS-1. XS 1 #77 30 марта 1948 Герб Гувер 46 063 NACA 13 0,90 ? Испытание стабильности и нагрузок. XS 1 #78 31 марта 1948 Говард Лилли 46 063 NACA 14 1,10 ? Испытание стабильности и нагрузок.

VehicleFlight #DatePilotAircraftAgencyVelocity Mach Altitude m Comments XS 1 #1 January 19, 1946 Jack Woolams 46 062 Bell 1 #1 ? ? Pinecastle AAF Base, FL. Glide flight. XS 1 #2 February 5, 1946 Jack Woolams 46 062 Bell 2 #1 ? ? Pinecastle AAF Base, FL. Glide flight. XS 1 #3 February 5, 1946 Jack Woolams 46 062 Bell 3 #1 ? ? Pinecastle AAF Base, FL. 2nd flight on this date. Glide flight. XS 1 #4 February 11, 1946 Jack Woolams 46 062 Bell 4 #1 ? ? Pinecastle AAF Base, FL. Gear retracts after landing, left wing damage. Glide flight. XS 1 #5 February 19, 1946 Jack Woolams 46 062 Bell 5 #1 ? ? Pinecastle AAF Base, FL. Nose Gear retracted on landing. Landing gear door damage. Glide flight. XS 1 #6 February 25, 1946 Jack Woolams 46 062 Bell 6 #1 ? ? Pinecastle AAF Base, FLDirectional stability tests. Glide flight. XS 1 #7 February 25, 1946 Jack Woolams 46 062 Bell 7 #1 ? ? Pinecastle AAF Base, FL. Longitudinal stability tests. 2nd flight on this date. Glide flight. XS 1 #8 February 26, 1946 Jack Woolams 46 062 Bell 8 #1 ? ? Pinecastle AAF Base, FL. Dynamic stability tests. Glide flight. XS 1 #9 February 26, 1946 Jack Woolams 46 062 Bell 9 #1 ? ? Pinecastle AAF Base, FL. Roll rate tests. 2nd flight on this date. Glide flight. XS 1 #10 March 6, 1946 Jack Woolams 46 062 Bell 10 #1 ? ? Pinecastle AAF Base, FL. Longitudinal stability tests. Glide flight. XS 1 #11 October 11, 1946 Chalmers Goodlin 46 063 Bell 1 #2 ? ? All XS 1 flights now from Muroc AAF Base, CA. Glide flight, familiarization. XS 1 #12 October 14, 1946 Chalmers Goodlin 46 063 Bell 2 #2 ? ? Glide flight. XS 1 #13 October 17, 1946 Chalmers Goodlin 46 063 Bell 3 #2 ? ? Glide flight. XS 1 #14 December 2, 1946 Chalmers Goodlin 46 063 Bell 4 #2 ? ? Glide flight. Check fuel jettison system. XS 1 #15 December 9, 1946 Chalmers Goodlin 46 063 Bell 5 #2 0.79 10,675 First powered flight. Minor engine fire. XS 1 #16 December 20, 1946 Chalmers Goodlin 46 063 Bell 6 #2 ? ? Familiarization flight. Powered. XS 1 #17 January 8, 1947 Chalmers Goodlin 46 063 Bell 7 #2 0.80 10,675 Buffet boundary investigation. XS 1 #18 January 17, 1947 Chalmers Goodlin 46 063 Bell 8 #2 0.80 ? Buffet boundary investigation. Full power climb. XS 1 #19 January 22, 1947 Chalmers Goodlin 46 063 Bell 9 #2 ? ? Buffet boundary investigation. Full power climb. Telemetry failed. XS 1 #20 January 23, 1947 Chalmers Goodlin 46 063 Bell 10 #2 ? ? Buffet boundary investigation. Full power climb. XS 1 #21 January 30, 1947 Chalmers Goodlin 46 063 Bell 11 #2 0.75 ? Accelerated stalls. Partial power. XS 1 #22 January 31, 1947 Chalmers Goodlin 46 063 Bell 12 #2 0.70 ? Buffet boundary investigation. XS 1 #23 February 5, 1947 Chalmers Goodlin 46 063 Bell 13 #2 ? ? Machmeter calibration. XS 1 #24 February 7, 1947 Chalmers Goodlin 46 063 Bell 14 #2 ? ? Buffet boundary investigation. XS 1 #25 February 19, 1947 Chalmers Goodlin 46 063 Bell 15 #2 ? ? Accelerated stalls. XS 1 #26 February 21, 1947 Chalmers Goodlin 46 063 Bell 16 #2 ? ? Aborted after launch. Low engine chamber pressure. XS 1 #27 April 10, 1947 Chalmers Goodlin 46 062 Bell 11 #1 ? ? Glide flight, stall check. XS 1 #28 April 11, 1947 Chalmers Goodlin 46 062 Bell 12 #1 ? ? First powered flight of aircraft #1. Nosewheel damaged. XS 1 #29 April 29, 1947 Chalmers Goodlin 46 062 Bell 13 #1 ? ? Handling qualities check. XS 1 #30 April 30, 1947 Chalmers Goodlin 46 062 Bell 14 #1 ? ? Handling qualities check. XS 1 #31 May 5, 1947 Chalmers Goodlin 46 062 Bell 15 #1 ? ? Handling qualities check. XS 1 #32 May 15, 1947 Chalmers Goodlin 46 062 Bell 16 #1 ? ? Buffet boundary test. Aileron damper malfunction. XS 1 #33 May 19, 1947 Chalmers Goodlin 46 062 Bell 17 #1 ? ? Buffet boundary test. XS 1 #34 May 21, 1947 Chalmers Goodlin 46 062 Bell 18 #1 ? ? Buffet boundary test. XS 1 #35 May 22, 1947 Alvin "Tex" Johnston 46 063 Bell 17 #2 0.72 ? Pilot familiarization. 8 g (78 m/s²) pullout. XS 1 #36 May 29, 1947 Chalmers Goodlin 46 063 Bell 18 #2 0.72 ? Airspeed calibration. End of Bell contractor program. XS 1 #37 June 5, 1947 Chalmers Goodlin 46 062 Bell 19 #1 ? ? Demonstration for Aviation Writers Association. XS 1 #38 August 6, 1947 Chuck Yeager 46 062 USAF glide 1 ? ? Pilot familiarization. XS 1 #39 August 7, 1947 Chuck Yeager 46 062 USAF glide 2 ? ? Glide flight. XS 1 #40 August 8, 1947 Chuck Yeager 46 062 USAF glide 3 ? ? Glide flight. XS 1 #41 August 29, 1947 Chuck Yeager 46 062 USAF powered 1 0.85 ? First USAF powered flight. XS 1 #42 September 4, 1947 Chuck Yeager 46 062 USAF 2 0.89 ? Telemetry failure. Flight had to be repeated. XS 1 #43 September 8, 1947 Chuck Yeager 46 062 USAF 3 ? ? XS 1 #44 September 10, 1947 Chuck Yeager 46 062 USAF 4 0.91 ? Stability and control test. XS 1 #45 September 12, 1947 Chuck Yeager 46 062 USAF 5 0.92 ? Check elevator, stabilizer and buffet. XS 1 #46 September 25, 1947 Chuck Yeager 46 063 NACA acceptance ? ? Number 4 engine tube burned out. XS 1 #47 October 3, 1947 Chuck Yeager 46 062 USAF 6 ? ? Check elevator, stabilizer and buffet. XS 1 #48 October 8, 1947 Chuck Yeager 46 062 USAF 7 0.925 ? Airspeed calibration flight. XS 1 #49 October 10, 1947 Chuck Yeager 46 062 USAF 8 0.997 ? Stability and control test. XS 1 #50 October 14, 1947 Chuck Yeager 46 062 USAF 9 1.06 13,115 First supersonic flight. 1,126 km/h. XS 1 #51 October 21, 1947 Herb Hoover 46 063 NACA glide 1 ? ? Familiarization flight. Stall check. Nose wheel collapsed at landing. XS 1 #52 October 27, 1947 Chuck Yeager 46 062 USAF 10 ? ? Power failure. Rocket didn't fire. XS 1 #53 October 28, 1947 Chuck Yeager 46 062 USAF 11 ? ? Telemetry failure. XS 1 #54 October 29, 1947 Chuck Yeager 46 062 USAF 12 ? ? Telemetry failure. XS 1 #55 October 31, 1947 Chuck Yeager 46 062 USAF 13 ? ? XS 1 #56 November 3, 1947 Chuck Yeager 46 062 USAF 14 ? ? XS 1 #57 November 4, 1947 Chuck Yeager 46 062 USAF 15 ? ? XS 1 #58 November 6, 1947 Chuck Yeager 46 062 USAF 16 1.35 14,823 First ever aircraft flight to exceed July 6, 1944, flight speed record (702 mph/1,130 km/h) of Heinz Dittmar in Me 163B V18 prototype XS 1 #59 December 16, 1947 Herb Hoover 46 063 NACA powered 1 0.84 ? No record of telemetry. XS 1 #60 December 17, 1947 Herb Hoover 46 063 NACA 2 0.80 ? Familiarization. XS 1 #61 January 6, 1948 Herb Hoover 46 063 NACA 3 0.74 ? Turns, pull ups to buffet. XS 1 #62 January 8, 1948 Herb Hoover 46 063 NACA 4 0.83 ? Turns, pull ups to buffet. XS 1 #63 January 9, 1948 Howard Lilly 46 063 NACA 5 ? ? Pilot familiarization. XS 1 #64 January 15, 1948 Howard Lilly 46 063 NACA 6 0.76 ? Turns, pull ups to buffet. Sideslips. XS 1 #65 January 16, 1948 Chuck Yeager 46 062 USAF 17 0.9 ? Airspeed calibration. XS 1 #66 January 21, 1948 Herb Hoover 46 063 NACA 7 0.82 8,845 Stabilizer effectiveness test. XS 1 #67 January 22, 1948 Chuck Yeager 46 062 USAF 18 1.2 ? Pressure distribution survey. XS 1 #68 January 23, 1948 Herb Hoover 46 063 NACA 8 0.83 ? Attempted high speed flight. Aborted due to drop in chamber pressure. XS 1 #69 January 27, 1948 Herb Hoover 46 063 NACA 9 0.925 11,590 High speed flight. Cylinders 2 and 3 didn't fire. XS 1 #70 January 30, 1948 Chuck Yeager 46 062 USAF 19 1.1 ? Pressure distribution survey. XS 1 #71 February 28, 1948 James Fitzgerald 46 062 USAF 20 ? ? Engine fire at launch. Propellants jettisoned. Glide flight. XS 1 #72 March 4, 1948 Herb Hoover 46 063 NACA 10 0.943 12,200 High speed flight. XS 1 #73 March 10, 1948 Herb Hoover 46 063 NACA 11 1.065 ? First NACA supersonic flight. Nose wheel didn't extend at landing. Minor damage. XS 1 #74 March 11, 1948 Chuck Yeager 46 062 USAF 21 1.25 ? Reached Mach 1.25 in a dive. XS 1 #75 March 22, 1948 Herb Hoover 46 063 NACA 12 1.12 ? Stability and loads test. XS 1 #76 March 26, 1948 Chuck Yeager 46 062 USAF 22 1.45 12,239 Reached Mach 1.45 in a dive. Highest speed achieved in original XS 1. XS 1 #77 March 30, 1948 Herb Hoover 46 063 NACA 13 0.90 ? Stability and loads test. XS 1 #78 March 31, 1948 Howard Lilly 46 063 NACA 14 1.10 ? Stability and loads test. XS 1 #79 March 31, 1948 Chuck Yeager 46 062 USAF 23 ? ? Engine shutdown after launch. Propellants jettisoned. Glide flight. XS 1 #80 April 5, 1948 Howard Lilly 46 063 NACA 15 ? ? Engine didn't ignite. Propellants jettisoned. Glide flight. XS 1 #81 April 6, 1948 James Fitzgerald 46 062 USAF 24 1.1 12,505 Pilot check flight. All 4 cylinders fired. XS 1 #82 April 7, 1948 Gustav Lundquist 46 062 USAF 25 ? ? Glide flight. XS 1 #83 April 8, 1948 James Fitzgerald 46 062 USAF 26 ? ? Familiarization flight. XS 1 #84 April 9, 1948 Howard Lilly 46 063 NACA 16 0.89 ? Stability and loads test. XS 1 #85 April 9, 1948 Gustav Lundquist 46 062 USAF 27 ? ? Powered pilot check flight. XS 1 #86 April 16, 1948 Howard Lilly 46 063 NACA 17 ? ? Stability and loads test. Nose wheel collapsed on landing causing moderate damage. XS 1 #87 April 16, 1948 Gustav Lundquist 46 062 USAF 28 ? ? Pressure distribution test. Only cylinders 2 and 4 fired. XS 1 #88 April 26, 1948 James Fitzgerald 46 062 USAF 29 0.9 ? Aborted due to rocket malfunction. XS 1 #89 April 29, 1948 Gustav Lundquist 46 062 USAF 30 1.18 ? Pressure distribution test. XS 1 #90 May 4, 1948 James Fitzgerald 46 062 USAF 31 1.15 ? Pressure distribution test. XS 1 #91 May 21, 1948 Gustav Lundquist 46 062 USAF 32 0.92 ? Stability, control and buffeting test. XS 1 #92 May 25, 1948 James Fitzgerald 46 062 USAF 33 1.08 ? Wing, tail loads, buffet test. XS 1 #93 May 26, 1948 Chuck Yeager 46 062 USAF 34 1.05 ? Wing, tail loads, buffet test. XS 1 #94 June 3, 1948 Gustav Lundquist 46 062 USAF 35 ? ? Left main landing gear door opened in flight. Nose wheel collapsed on landing. XS 1 #95 November 1, 1948 Herb Hoover 46 063 NACA 18 0.9 ? Stability and control test. Number 4 cylinder did not fire. XS 1 #96 November 15, 1948 Herb Hoover 46 063 NACA 19 0.98 ? Stability, control and pressure distribution test. XS 1 #97 November 23, 1948 Robert Champine 46 063 NACA 20 ? ? Pilot familiarization. Handling qualities and pressure distribution test. XS 1 #98 November 29, 1948 Robert Champine 46 063 NACA 21 0.88 ? Handling qualities and pressure distribution test. XS 1 #99 November 30, 1948 Robert Champine 46 063 NACA 22 ? ? Handling qualities and pressure distribution test. XS 1 #100 December 1, 1948 Chuck Yeager 46 062 USAF 36 1.0 ? Wing, tail loads and handling qualities at mach 1. XS 1 #101 December 2, 1948 Robert Champine 46 063 NACA 23 1.0 ? Handling qualities and pressure distribution test. XS 1 #102 December 13, 1948 Chuck Yeager 46 062 USAF 37 1.0 ? Wing, tail loads and handling qualities at mach 1. XS 1 #103 December 23, 1948 Chuck Yeager 46 062 USAF 38 1.09 ? Wing, tail loads during supersonic flight at high altitude. XS 1 #104 January 5, 1949 Chuck Yeager 46 062 USAF 39 1.03 23,000 Ground takeoff with 50% fuel load. XS 1 #105 March 11, 1949 Jack Ridley 46 062 USAF 40 1.23 10,675 Familiarization flight. Minor engine fire caused by loose igniter. XS 1 #106 March 16, 1949 Albert Boyd 46 062 USAF 41 ? ? Familiarization flight. Inflight engine fire and shutdown. XS 1 #107 March 21, 1949 Frank Everest 46 062 USAF 42 1.22 12,200 Familiarization flight. XS 1 #108 March 25, 1949 Frank Everest 46 062 USAF 43 1.24 14,640 Pressure suit altitude test. Engine fire and automatic shutdown. XS 1 #109 April 14, 1949 Jack Ridley 46 062 USAF 44 1.1 12,200 Accelerated stall check at transonic speeds. XS 1 #110 April 19, 1949 Frank Everest 46 062 USAF 45 ? ? High altitude flight attempt. Only 2 cylinders fired. XS 1 #111 May 2, 1949 Chuck Yeager 46 062 USAF 46 ? ? Engine malfunction, faulty ignition plug. XS 1 #112 May 5, 1949 Frank Everest 46 062 USAF 47 ? ? Engine chamber exploded. Rudder jammed. Safe landing. XS 1 #113 May 6, 1949 Robert Champine 46 063 NACA 24 0.88 12,200 Instrumentation check. XS 1 #114 May 13, 1949 Robert Champine 46 063 NACA 25 0.91 ? Spanwise pressure distribution. Stability and control. XS 1 #115 May 27, 1949 Robert Champine 46 063 NACA 26 0.91 ? Spanwise pressure distribution. Stability and control. Stabilizer more effective than elevator in mach 0.91 pull ups. XS 1 #116 June 16, 1949 Robert Champine 46 063 NACA 27 0.91 ? Spanwise pressure distribution. Stability and control. Rolls, pull ups at mach 0.91 XS 1 #117 June 23, 1949 Robert Champine 46 063 NACA 28 ? ? Spanwise pressure distribution. Stability and control. Rolls, pull ups, stabilizer effectiveness. XS 1 #118 July 11, 1949 Robert Champine 46 063 NACA 29 0.91 ? Spanwise pressure distribution. Stability and control. Cylinder 2 didn't fire. XS 1 #119 July 19, 1949 Robert Champine 46 063 NACA 30 0.91 ? Spanwise pressure distribution. Stability and control. Cylinder 2 didn't fire. XS 1 #120 July 25, 1949 Frank Everest 46 062 USAF 48 ? 20,388 High altitude flight. XS 1 #121 July 27, 1949 Robert Champine 46 063 NACA 31 ? ? Spanwise pressure distribution. Stability and control. Rolls, pull ups, stabilizer effectiveness. XS 1 #122 August 4, 1949 Robert Champine 46 063 NACA 32 ? ? Spanwise pressure distribution. Stability and control. Rolls, pull ups, stabilizer effectiveness. XS 1 #123 August 8, 1949 Frank Everest 46 062 USAF 49 ? 21,930 High altitude flight. XS 1 #124 August 25, 1949 Frank Everest 46 062 USAF 50 ? 21,000 First use of partial pressure suit. Cabin lost pressure at 21,000 m. Pilot made safe emergency descent. XS 1 #125 September 23, 1949 John Griffith 46 063 NACA 33 0.9 ? Pilot familiarization. XS 1 #126 October 6, 1949 Patrick Fleming 46 062 USAF 51 ? ? Pilot familiarization. XS 1 #127 October 26, 1949 Richard Johnson 46 062 USAF 52 ? ? Pilot familiarization. XS 1 #128 November 29, 1949 Frank Everest 46 062 USAF 53 ? ? High altitude wing, tail loads test. XS 1 #129 November 30, 1949 John Griffith 46 063 NACA 34 0.91 ? XS 1 #130 December 2, 1949 Frank Everest 46 062 USAF 54 ? ? High altitude wing, tail loads test. XS 1 #131 February 21, 1950 Frank Everest 46 062 USAF 55 ? ? Wing, tail loads test. XS 1 #132 April 26, 1950 Chuck Yeager 46 062 USAF 56 ? ? Lateral stability, control test. XS 1 #133 May 5, 1950 Jack Ridley 46 062 USAF 57 ? ? Buffeting, wing, tail loads test. XS 1 #134 May 8, 1950 Jack Ridley 46 062 USAF 58 ? ? Buffeting, wing, tail loads test. XS 1 #135 May 12, 1950 John Griffith 46 063 NACA 35 ? ? Spanwise pressure distribution. Stability and control. Rolls, pull ups. XS 1 #136 May 12, 1950 Chuck Yeager 46 062 USAF 59 ? ? Last XS 1 #1 flight. Flown for movie, "Test Pilot". XS 1 #137 May 17, 1950 John Griffith 46 063 NACA 36 1.13 12,810 Spanwise pressure distribution. Stability and control. Rolls, pull ups. XS 1 #138 May 26, 1950 John Griffith 46 063 NACA 37 1.2 ? Spanwise pressure distribution. Stability and control. Rolls, pull ups. Nose wheel collapsed on landing. XS 1 #139 August 9, 1950 John Griffith 46 063 NACA 38 0.98 ? Pressure distribution. Stability and control. Stabilizer check. XS 1 #140 August 11, 1950 John Griffith 46 063 NACA 39 ? ? Pressure distribution. Stability and control. Stabilizer check. XS 1 #141 September 21, 1950 John Griffith 46 063 NACA 40 0.90 ? Pressure distribution, stability, control, stabilizer check. Drag test. Pull ups. XS 1 #142 October 4, 1950 John Griffith 46 063 NACA 41 ? ? Pressure distribution, stability, control, stabilizer check. Drag test. Pull ups. XS 1 #143 April 6, 1951 Chuck Yeager 46 063 NACA 42 ? ? Flown for movie, "Jet Pilot". Minor engine fire. No damage. XS 1 #144 April 20, 1951 Scott Crossfield 46 063 NACA 43 1.07 ? Pilot familiarization. XS 1 #145 April 27, 1951 Scott Crossfield 46 063 NACA 44 ? ? Plane and instrument check. XS 1 #146 May 15, 1951 Scott Crossfield 46 063 NACA 45 0.90 ? Wing loads, aileron effectiveness. Aileron rolls at mach .9. XS 1 #147 July 12, 1951 Scott Crossfield 46 063 NACA 46 1.07 ? Wing loads, aileron effectiveness. Aileron rolls at mach 1.07. XS 1 #148 July 20, 1951 Scott Crossfield 46 063 NACA 47 0.88 ? Wing loads, aileron effectiveness. Rudder fixed aileron rolls left and right, from mach 0.70 to mach 0.88. XS 1 #149 July 20, 1951 Joseph Cannon 46 064 Bell 1 #3 ? ? Glide flight. First and only free flight for XS 1 #3. Known as "Queenie". XS 1 #150 July 31, 1951 Scott Crossfield 46 063 NACA 48 ? ? Wing loads, aileron effectiveness. XS 1 #151 August 3, 1951 Scott Crossfield 46 063 NACA 49 ? ? Wing loads, aileron effectiveness. XS 1 #152 August 8, 1951 Scott Crossfield 46 063 NACA 50 ? ? Wing loads, aileron effectiveness. Elevator and stabilizer pull ups. XS 1 #153 August 10, 1951 Scott Crossfield 46 063 NACA 51 ? ? Wing loads, aileron effectiveness. Elevator and stabilizer pull ups, clean stall. XS 1 #154 August 27, 1951 Joseph Walker 46 063 NACA 52 1.16 13,420 Pilot familiarization. XS 1 #155 September 5, 1951 Scott Crossfield 46 063 NACA 53 1.07 ? Fuselage pressure survey. Stabilizer pull ups. Cylinder 1 didn't fire. XS 1 #156 May 10, 1950 Fred Ascani 46 063 NACA/USAF ? ? Pilot familiarization. Gen. Ascani says he flew the X 1 in the "Fall of 1951". Most sources do not have a record of this flight. General Ascani's Form 5 was located a few years prior to his passing and the entry for his flight in the X 1 was 10 May 1950. XS 1 #157 October 23, 1951 Joseph Walker 46 063 NACA 54 ? ? Two ignition attempts. Engine cutout. Propellants jettisoned. Glide flight. Aircraft grounded due to possible nitrogen sphere fatigue.