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Ars Technica·

🚀Long March 7A Rocket Explodes During Launch

China's space ambitions hit a snag

TL;DR

The Long March 7A rocket exploded shortly after launch, potentially due to the YF-100 engine. This could delay critical missions like Chang'e 7, which aims for the Moon's South Pole.

The Long March 7A rocket exploded about a minute and 20 seconds into its flight on Monday morning in China. The cause remains unknown but is suspected to be related to the YF-100 engine used by multiple Chinese rockets. This failure could delay upcoming missions, including Chang'e 7, set for launch within two weeks. With nine rockets relying on the YF-100, any issues here have broader implications.

Long March 7A Rocket Explodes During Launch — Ars Technica

Key Points

1

The Long March 7A rocket launched Monday morning in China, carrying a classified payload believed to be a military communications satellite.

2

State officials have not commented on the explosion as of Monday night, leaving the cause unclear but suspected to involve the YF-100 engine.

3

The YF-100 engine powers various rockets including Long March 7 and newer variants like the Long March 7A. It has a thrust of 270,000 pounds at sea level.

4

If the failure is due to the YF-100 engine, it could delay one of China's most important launches: Chang'e 7, scheduled for launch in two weeks on a Long March 5 rocket.

5

Chang'e 7 combines an orbiter, lander, rover, and mini-hopper bound for Shackleton crater near the Moon’s South Pole, where China and NASA are racing to establish operations.

Why It Matters

If the YF-100 engine is at fault, it could delay Chang'e 7's launch by two weeks. This mission aims to explore resource-rich areas of the Moon's South Pole, impacting China’s lunar exploration timeline.

ChinaLong March 7AYF-100 engineChang'e 7Moon

Frequently Asked Questions

Why does this matter?

If the YF-100 engine is at fault, it could delay Chang'e 7's launch by two weeks. This mission aims to explore resource-rich areas of the Moon's South Pole, impacting China’s lunar exploration timeline.

What happened?

The Long March 7A rocket exploded shortly after launch, potentially due to the YF-100 engine. This could delay critical missions like Chang'e 7, which aims for the Moon's South Pole.

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