Technology

Elon Musk reveals cause of Starship explosion as SN15 prepares for launch

SpaceX boss Elon Musk has blamed a “relatively small” methane leak for causing the latest Starship test to end in a mid-flight explosion.

Starship SN11 blew up less than six minutes after lifting off from SpaceX’s Boca Chica facility in Texas last week, during a launch and landing attempt in heavy fog.

Poor visibility meant it was not immediately clear what happened, with SpaceX initially giving no reason for the Starship prototype experiencing a “rapid unscheduled disassembly” at the start of its landing procedure.

Investigations into the flight data have since uncovered a methane (CH4) leak, which is used as a propellent for the next-generation rocket’s Raptor engines.

“Ascent phase, transition to horizontal and control during free fall were good,” Mr Musk tweeted in reply to one of his followers inquiring about the investigation.

“A (relatively) small CH4 leak led to fire on engine 2 and fried part of avionics, causing hard start attempting landing burn in CH4 turbopump. This is getting fixed 6 ways to Sunday.”

Read more:

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  • Elon Musk’s SpaceX says it will ‘make its own laws on Mars’

Whatever fix is introduced will be tested on the next prototype – Starship SN15 – which is expected to launch at some point this month.

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Residents of Boca Chica Village have shared images of Starship SN15 nearly fully assembled at the launch site. This suggests a flight test could take place as early as this week, though there are currently no local road closures scheduled.

If Starship SN15 is able to land successfully, it will be the first major flight test for a Starship craft to not end in a fiery explosion.

✕SpaceX Starship crashes in huge fireball explosion

It will also mark a significant milestone towards Mr Musk’s ambition of sending humans to Mars within the next four years aboard a Starship rocket.

The technology billionaire hopes to build up to 100 Starships every year, with each one capable of carrying up to 100 people onboard, as well as cargo.

The eventual goal is to establish a self-sustaining human colony on Mars, which Mr Musk claims could be achieved by 2050.

Source:

www.independent.co.uk

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