Houston Chronicle

SpaceX suffers a rocket-engine failure in testing

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By Christian Davenport

SpaceX is investigat­ing why one of its rocket engines exploded during a test fire earlier this week at the company’s facility in McGregor, Texas, the company confirmed Wednesday.

The explosion of the Merlin engine occurred Sunday during what the company called a “qualificat­ion test.” No one was injured, but now the company founded by tech entreprene­ur Elon Musk once again has to figure out what went wrong with its hardware, as it suspends engine testing during the investigat­ion.

In 2015, SpaceX’s Falcon 9 rocket exploded a couple of minutes after lifting off from Cape Canaveral en route to deliver cargo to the Internatio­nal Space Station. No one was on board, and no was injured.

Then, in September 2016, another Falcon 9 blew up, this time while on the launch pad as it was being fueled ahead of an engine test fire. Again, no one was hurt.

The company said in response to questions that it is “now conducting a thorough and fully transparen­t investigat­ion of the root cause” of the explosion. “SpaceX is committed to our current manifest, and we do not expect this to have any impact on our launch cadence.”

The setback comes as SpaceX is having a recordsett­ing year. The company has launched 16 times successful­ly this year, doubling the number of its launches in a single year and tying the most number of launches by its chief rival, the United Launch Alliance, according to SpaceNews.

The explosion is of concern because in addition to flying commercial satellites, it launches cargo to the Internatio­nal Space Station for NASA and is expected to start delivering astronauts there by as early as next year. It is also deploying highly sensitive satellites for the Pentagon.

SpaceX is scheduled to launch its Falcon 9 rocket, which is powered by nine of the Merlin engines on its first stage, at least three more times this year.

Its next launch, a national security mission, is scheduled for next week from the Kennedy Space Center.

 ?? Karen Warren / Houston Chronicle file ?? A rocket sits on top of its testing tripod at SpaceX, on Rocket Road in McGregor, in Central Texas.
Karen Warren / Houston Chronicle file A rocket sits on top of its testing tripod at SpaceX, on Rocket Road in McGregor, in Central Texas.

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