The NASA X-43 was an experimental unmanned hypersonic aircraft with multiple planned scale variations meant to test various aspects of hypersonic flight. It was part of the X-plane series and specifically of NASA's Hyper-X program developed in the late 1990s. [1] It set several airspeed records for jet aircraft.

2024年1月5日 · The highest speed attained by a rocket-powered airplane, NASA’s X-15 aircraft, was Mach 6.7. The fastest air-breathing, crewed vehicle, the SR-71 achieved slightly over Mach 3. The X-43A more than doubled the top speed of the jet-powered SR-71.

美国国家航空航天局研发的X-43是用来研究 超燃冲压发动机 的无人驾驶试验机。 X-43长3.66 m，质量为1 361 kg，仅携带9.9 kg的氢燃料。 X-43高超声速飞行器吸入空气，所以不需要携带氧化剂。 B-52载机和1枚空中发射的火箭将X-43高超声速飞行器带入高空，并推进其到飞行所需的速度。 美国共研制了3架X-43高超声速飞行器，并进行了3次测试，耗资2．3亿美元。 [1] 美国宇航局事前透露，X-43将在5月底进行第一次无人驾驶遥控试飞。 随着首次试飞时期的临近，X-43A …

X-43A是美国国家航空航天局（NASA）旗下德莱顿飞行研究中心（Dryden Flight Research Center）所开发的极音速（Hypersonic）飞行实验机，也是迄今为止人类所造出使用外进气动力的飞行器中，速度最快的纪录保持者，后续版本为X-43B。

This paper provides an overview of the final flight of the NASA X-43A project. The project consisted of three flights, two planned for Mach 7 and one for Mach 10.

X-43試驗機 是美國 國家航空暨太空總署 （NASA）旗下 德萊頓飛行研究中心 （英语：Neil A. Armstrong Flight Research Center） （Dryden Flight Research Center）所開發的 極音速 （Hypersonic）飛行實驗機，曾經是 飛行器 速度最快的紀錄保持者。 在系列家族中，除了最早開發的X-43A外，還另外有X-43B、C與D型等幾種衍生版本。 X-43A的設計圖。 X-43A的運作原理。 計算流體動力學 (CFD) 影像是X-43A在馬赫數7測試條件下引擎運作的情況。 在2001年6月2 …

The X-43A successfully separated from the launch vehicle and achieved stable free flight throughout the engine test. X-43A Powered Flight (Scramjet Engine Experiment): • The scramjet experiment/fuel on began approximately 5 seconds after separation • The maximum powered Mach number was 9.6 •

2023年8月23日 · Hitching a ride on the same B-52 mother ship that once launched X-15 research aircraft in the 1960s, NASA's X-43A... The small size of the X-43A scramjet is evident in this nose-on view while mounted to its modified Pegasus booster...

2004年11月16日 · The X-43A was a small experimental research aircraft designed to flight-demonstrate the technology of airframe-integrated supersonic ramjet or "scramjet" propulsion at hypersonic speeds above Mach 5, or five times the speed of sound. Its scramjet engine is an air-breathing engine in which the airflow through the engine remains supersonic.

NASA's X-43A or Hyper-X air vehicle achieved a record-breaking speed of close to Mach 10 (12,000km/hr or 7,000mph) in a test flight in November 2004, which was the culmination of a three-flight test program.