Timeline for Why were three engines used for the F9 1st stage landing burn (BulgariaSat-1)?
Current License: CC BY-SA 3.0
6 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Jun 26, 2017 at 5:04 | vote | accept | uhoh | ||
| Jun 25, 2017 at 9:24 | comment | added | DarkDust | Elon Musk tweeted before the flight: Falcon 9 will experience its highest ever reentry force and heat in today's launch. Good chance rocket booster doesn't make it back. | |
| Jun 24, 2017 at 22:58 | comment | added | Russell Borogove | Does S1 not throttle down at the end of the burn prior to staging for g-limiting? | |
| Jun 24, 2017 at 22:24 | comment | added | jkavalik | Iirc someone on reddit computed that the savings on gravity losses are equivalent to about 1.5s of S1 ascent burn (9 engines on 100% thrust) which is quite significant velocity difference on MECO. | |
| Jun 24, 2017 at 18:52 | comment | added | uhoh | Excellent answer, thanks! The choice of super-synchronous orbit for this mission instead of a more typical GTO sounds like an interesting, but separate question. | |
| Jun 24, 2017 at 17:07 | history | answered | Russell Borogove | CC BY-SA 3.0 |