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Thunder Chicken Thunder Chicken is offline
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Default SpaceX Falcon 9 CRS-16
by Thunder Chicken 12-06-2018, 12:34 AM

Well, another mission success for SpaceX, but the 1st stage had a bad day and didn't make it back to LZ-1. Hydraulic pump stalled and the stage soft landed in the water just off shore. Hard to believe, but the last landing failure was nearly 2.5 years ago.


It appears that the stage landed intact and was still transmitting telemetry. Might be recoverable after a fashion, at least for diagnosis.


Musk is saying if the stage is not so damaged as to need retirement, it might be used on an internal SpaceX mission, maybe Starlink.


Amphibious reusable rockets.







---------- Post added at 07:34 PM ---------- Previous post was at 07:03 PM ----------

Stabilized footage of water touchdown:


https://www.youtube.com/watch?reload...ature=youtu.be


And it is intact and floating:



Last edited by Thunder Chicken; 12-06-2018 at 12:31 AM.
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Old 12-06-2018, 07:19 AM   #3
IronRain
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Although the landing was officially unsuccessful, I think it's really cool if they can salvage the stage.
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Old 12-06-2018, 07:49 AM   #4
MaverickSawyer
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Forget that... did you see how hard the flight control software fought to save the vehicle? Now THAT's something to be proud of...
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Old 12-06-2018, 12:37 PM   #5
callefalsa123
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Hi everyone !!
Have you notice this kind of ring? What is it?

https://ibb.co/1ff7m44
https://ibb.co/VqFqVcx
https://ibb.co/GscYRtW

Could be some part of the first stage?

It is shown in the minute 21 of the streaming
here is the video at that exact moment

Last edited by callefalsa123; 12-06-2018 at 04:30 PM. Reason: I edit my images links. they were broken
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Old 12-06-2018, 05:02 PM   #6
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I believe that was ice.
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Old 12-06-2018, 06:13 PM   #7
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A splashdown is easier that landing on the the ground, so I'm not surprised that the stage has little damage.
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Old 12-06-2018, 08:04 PM   #8
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Softer than a chute.
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Old 12-06-2018, 09:00 PM   #9
MaverickSawyer
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Yeah, but was the stage designed for an impromptu bath in saltwater just after engine shutdown?

I suspect that particular booster is going to wind up as scrap... or, with a little luck as a ground trainer for maintainers.
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Old 12-06-2018, 09:46 PM   #10
Kyle
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I think Musk spoke off-the-cuff. No way a booster that has spent >24 hours in ocean water will be reused. Sounds nice to say on Twitter, though.

Last edited by Kyle; 12-06-2018 at 09:55 PM.
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Old 12-07-2018, 07:34 AM   #12
IMHiggins
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Quote:
Originally Posted by Donamy View Post
 Softer than a chute.
Hard to disagree
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Old 12-07-2018, 10:50 AM   #13
4throck
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Quote:
Originally Posted by MaverickSawyer View Post
 Yeah, but was the stage designed for an impromptu bath in saltwater just after engine shutdown

Sure, the salt will be a problem and I guess that's the reason they land on land.

I wonder if the water landing was intentional as a failsafe or just luck.
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Old 12-07-2018, 03:47 PM   #14
MaverickSawyer
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Quote:
Originally Posted by 4throck View Post
 Sure, the salt will be a problem and I guess that's the reason they land on land.

I wonder if the water landing was intentional as a failsafe or just luck.
Failsafe. The booster has to actively steer towards land so that, should a failure like this happen, the stage won't be a threat to people or property ashore.
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Old 12-07-2018, 05:44 PM   #15
BrianJ
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Just had the glorious sight of ISS blazing across the early evening sky, straight overhead, followed about a minute later by the much less bright Dragon. About 60deg visual separation, so roughly 400km between ISS and Dragon.
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