Elon Musk

@elonmusk ↗

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Last Checked May 30, 2020

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Fri Jan 10 23:20:50 +0000 2020

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Elon Musk @elonmusk

@Erdayastronaut @BocaChicaGal @NASASpaceflight A given tank pressure is needed to feed the engine turbopumps & pressure-stabilize/relieve compression load on the cylinder walls — PolitiTweet.org

Posted Jan. 10, 2020 Hibernated

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Elon Musk @elonmusk

@Erdayastronaut @BocaChicaGal @NASASpaceflight Dome to barrel weld made it to 7.1 bar, which is pretty good as ~6 bar is needed for orbital flight. With more precise parts & better welding conditions, we should reach ~8.5 bar, which is the 1.4 factor of safety needed for crewed flight. — PolitiTweet.org

Posted Jan. 10, 2020 Hibernated

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Elon Musk @elonmusk

@Erdayastronaut @BocaChicaGal @NASASpaceflight Everything is compressible, but liquid compression at these pressures is not significant. However, the tanks do expand under pressure, creating a bit more volume. Keeping propellant super cold has a big effect on density of ~10% in case of CH4. — PolitiTweet.org

Posted Jan. 10, 2020 Hibernated