SLS: Nasa’s ‘megarocket’ engine test ends early
A critical engine test for Nasa’s new “megarocket” – the Space Launch System (SLS) – ends early. …
The as-yet unknown problem triggered what Nasa calls a failure identification (Fid), followed by a major component failure (MCF). As a result of the fault, an onboard computer known as the engine controller sent a message to another computer called the core stage controller, which took a decision to shut down the vehicle.
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