Elon Musk

@elonmusk ↗

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Last Checked April 2, 2021

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Wed Jun 10 18:42:22 +0000 2020

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Elon Musk @elonmusk

@Erdayastronaut @SciGuySpace We could never reach 380 Isp with RP/kerosene. CH4 has higher Isp potential on paper, but even better in practice. With CH4, you can reach >99% of max theoretical combustion efficiency, but RP is ~97% on a good day & requires desooting of turbines between flights. — PolitiTweet.org

Posted June 10, 2020 Hibernated

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Elon Musk @elonmusk

After which they are recycled https://t.co/xuu1ohdz52 — PolitiTweet.org

Posted June 10, 2020 Hibernated

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Elon Musk @elonmusk

@Erdayastronaut @SciGuySpace Important technical note: due to higher O/F of CH4 vs RP1 (oxygen is dense) & significant density increase of subcooled CH4 (plus no common dome insulation needed), plus cryo strength bump of CH4, tank mass of CH4/O2 stage is almost same as RP1/O2. — PolitiTweet.org

Posted June 10, 2020 Hibernated