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The biggest rocket failure in the history of the earth: the United States still doesn't know why

via:驱动之家     time:2021/1/19 2:46:25     readed:93

last Saturday,NASA conducted a critical rocket test.The test, which was originally planned to start for about eight minutes, ended in failure one minute after it started.

In the rocket test on that day, the four rocket engines in SLS core only started for a little more than a minute on NASA rocket test bench. The original plan of the crew was to ignite for about 8 minutes and undertake a lunar mission in the future.

They believe the problem occurred near the thermal insulation around the engine, but the exact cause of the launch failure is unclear.

In the meantime, they plan to let the engine through a series of maneuvers to test its responsiveness to ignition.

So far, the data they get is far less than the 250 seconds they want.The data the team managed to obtain was collected by about 1400 sensors during the test.

Among them, the sensor will monitor the core vibration frequency, temperature, acoustics and pressure data. Although the flight test time has been shortened, these sensors also collect a lot of data, which may eventually help NASA determine the way forward.

The SLS project has been in existence for many years and was originally scheduled for its first test flight in 2017. However, the project has been postponed and the cost of the project has greatly exceeded the budget.

Previously, NASA delayed the launch of the rocket to November 2021. Although its test plan was postponed in December 2020, NASA still hopes to launch the rocket in November 2021.

It is not clear what led to the failure of the test, and how the test results will affect the future schedule of Artemis I.

地球史上第一火箭点火失败:美国仍然不知道为什么

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Link to the original text:Sina Technology

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