BFR Developments

Results of pressure test...

"Starship 9m test tank made 7.5 bar a room temp! Small leak at a weld doubler. Will be repaired & retested at cryo."

https://twitter.com/elonmusk/status/1221938474233868288

6 bar is needed for for it to work, 7.1 is what they hit last time, and 8.5 is the 40% safety margin that they need for manned flight.

Tim Dodd asks:

"Hearing you point out room temp, you think it'd have no problem holding that at cryo, right?"

Elon:

"Parent material strength roughly doubles, so weld strength is the only real question mark."

Tim:

"Awesome! Congrats! Feeling confident enough in the welds and manufacturing to go ahead with SN1?"

Elon:

"Yes"

Photo from Elon.


[Image: EPUyj80W4AEkHpl?format=jpg&name=small]
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