Nuke Posted Friday at 07:50 PM Share Posted Friday at 07:50 PM (edited) 23 hours ago, tater said: They never get any lightning, way more sonic booms id wager that people who write environmental regulations have never gone camping. if they did id wager it was at a campground and not in actual wilderness. if you can get cell reception you are not camping. Edited Friday at 07:50 PM by Nuke Quote Link to comment Share on other sites More sharing options...
tater Posted Friday at 08:47 PM Share Posted Friday at 08:47 PM SpaceX posted on YouTube as well (nice HD): Quote Link to comment Share on other sites More sharing options...
darthgently Posted Friday at 10:24 PM Share Posted Friday at 10:24 PM Reportedly, this was divulged in the Crew-9 press conference that I haven’t watched yet Quote Link to comment Share on other sites More sharing options...
tater Posted Friday at 11:02 PM Share Posted Friday at 11:02 PM (edited) At some point where they decide to decommission a cargo Dragon they should not use chutes and land it on a drone ship. Edited yesterday at 12:01 AM by tater Quote Link to comment Share on other sites More sharing options...
StrandedonEarth Posted Friday at 11:24 PM Share Posted Friday at 11:24 PM 20 minutes ago, tater said: At some point where they decide ti decommission a cargo Dragon they should not use chutes and land it on a drone ship. I didn’t think cargos Dragons were actually equipped with SuperDracos, but maybe the new versions are. Or they could use an end-of-life full crew Dragon for cargo. Quote Link to comment Share on other sites More sharing options...
tater Posted yesterday at 12:02 AM Share Posted yesterday at 12:02 AM 37 minutes ago, StrandedonEarth said: I didn’t think cargos Dragons were actually equipped with SuperDracos, but maybe the new versions are. Or they could use an end-of-life full crew Dragon for cargo. Oh, that's right, I forgot they dumped them on the cargo variant. Quote Link to comment Share on other sites More sharing options...
darthgently Posted yesterday at 12:22 AM Share Posted yesterday at 12:22 AM 1 hour ago, tater said: At some point where they decide to decommission a cargo Dragon they should not use chutes and land it on a drone ship. And then on a pad at KSC. That would drop the price of resupply even more. I’m also hoping that for crew backup they move from “if all chutes fail” to “thrust enough to account for any lost or tangled chutes”. In other words the super dracos would throttle up enough to keep the velocity nominal no matter the cause Quote Link to comment Share on other sites More sharing options...
cubinator Posted 23 hours ago Share Posted 23 hours ago (edited) 1 hour ago, darthgently said: And then on a pad at KSC. That would drop the price of resupply even more. I’m also hoping that for crew backup they move from “if all chutes fail” to “thrust enough to account for any lost or tangled chutes”. In other words the super dracos would throttle up enough to keep the velocity nominal no matter the cause Not sure if starting up engines would bring the risk matrix lower or higher in the case of, say, 1 lost chute, when the impact velocity is not that high Also I'm pretty sure starting up even just a pair of them would probably have enough oomph to counter all of the parachutes, since they're built to tear the capsule + full trunk away from the rocket at a pretty good clip. Edited 23 hours ago by cubinator Quote Link to comment Share on other sites More sharing options...
tater Posted 23 hours ago Share Posted 23 hours ago Can't lie, in my head since reading about the contingency as an earworm: Also, Crew-9 on the pad: Quote Link to comment Share on other sites More sharing options...
darthgently Posted 17 hours ago Share Posted 17 hours ago 6 hours ago, cubinator said: Not sure if starting up engines would bring the risk matrix lower or higher in the case of, say, 1 lost chute, when the impact velocity is not that high Also I'm pretty sure starting up even just a pair of them would probably have enough oomph to counter all of the parachutes, since they're built to tear the capsule + full trunk away from the rocket at a pretty good clip. I think they were designed to be independently deep throttled for controlled propulsive safe landing velocity and orientation. So I don’t think partial chutes would be a problem from a velocity pov, but yeah, not clear wrt correcting bad orientation from partial chutes. It seems doable given the original use case with maybe some hardware and probably some software changes 6 hours ago, cubinator said: I'm pretty sure starting up even just a pair of them would probably have enough oomph to counter all of the parachutes, since they're built to tear the capsule + full trunk away from the rocket at a pretty good clip. For LES purposes, full throttle, yes, but my understanding is they are deep throttlable from their original propulsive landing use case. They are basically RCS on steroids from a control pov in my imagination Quote Link to comment Share on other sites More sharing options...
darthgently Posted 16 hours ago Share Posted 16 hours ago One last thought, I’m pretty sure they can do fairly rapid bang-bang control also, like RCS at deepest throttle Quote Link to comment Share on other sites More sharing options...
AckSed Posted 14 hours ago Share Posted 14 hours ago 16 hours ago, tater said: This is pretty cool. Totally. ...the beat of that thruster firing was unexpectedly good. With the violin recital, I think we can call this the most musical flight of Dragon so far. :-) Quote Link to comment Share on other sites More sharing options...
magnemoe Posted 10 hours ago Share Posted 10 hours ago 9 minutes ago, tater said: Can't lie, in my head since reading about the contingency as an earworm: This but scaled up 10 times. Cube square law works in you advantage here. Quote Link to comment Share on other sites More sharing options...
tater Posted 10 hours ago Share Posted 10 hours ago Quote Link to comment Share on other sites More sharing options...
tater Posted 9 hours ago Share Posted 9 hours ago Quote Link to comment Share on other sites More sharing options...
Ultimate Steve Posted 8 hours ago Share Posted 8 hours ago There was a nice bit from Adam Savage on the launch stream. The launch stream: Quote Link to comment Share on other sites More sharing options...
tater Posted 8 hours ago Share Posted 8 hours ago (edited) liftoff Edited 8 hours ago by tater Quote Link to comment Share on other sites More sharing options...
darthgently Posted 6 hours ago Share Posted 6 hours ago HOS Ridgewind, the craned recovery ship used to recover the aft outer engine ring and assorted parts of B11 is apparently heading back to the recovery zone Quote Link to comment Share on other sites More sharing options...
darthgently Posted 35 minutes ago Share Posted 35 minutes ago A Chinese container ship is on a course that will have it near B11 before Hos Ridgeway. I’m imagining it opening up like the rocket in that Bond movie (Moonraker? No, the other one?) and swallowing the other craft. But in this case the bottom opens and they scoop Raptors into the hold as the pass over, ha ha Quote Link to comment Share on other sites More sharing options...
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