Jonathan A. Goff
@rocketrepreneur · Sep 26, 2016
Is that vacuum Isp for an upper-stage version? Because 380s vacuum Isp doesn't seem realistic for a booster version.
Elon Musk
@elonmusk
382s is with a 150 area ratio vacuum (or Mars ambient pressure) nozzle. Will go over specs for both versions on Tues.
06:21 AM · September 26, 2016 · 0 views
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