Why did the Falcon Heavy center core fall off the ASDS OCISLY barge? Planned maintenance scheduled April 23, 2019 at 23:30 UTC (7:30pm US/Eastern) Announcing the arrival of Valued Associate #679: Cesar Manara Unicorn Meta Zoo #1: Why another podcast?Does the US Navy guard SpaceX drone ships and make sure bad actors don't abscond with critical technology on the high seas?What barge height limit warning sign is Scott Manley describing? (Falcon Heavy core fell into ocean)When the CRS-6 Falcon 9 first stage hit the ASDS, did the Flight Termination System explode due to the heat of the fire?What started the explosion on the crashed Jason-3 stage landing on the barge?Which has greater accuracy? Minuteman ICBM or Falcon 9 first stage?Did the Thaicomm-8 SpaceX landed first stage move after landing?When will the first use of the SpaceX rocket grabber be on an ASDS?On the Falcon Heavy, why are the side boosters using Ti Grid fins, but not the center core?Was anything else about the Falcon Heavy test launch “off nominal” besides the center core return?How will they lower the landed side boosters after landing, if there is a nose cone?Why did the Falcon Heavy core engines fail to reignite?Does the downrange position of an ASDS vary, depending on payload mass?
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Why did the Falcon Heavy center core fall off the ASDS OCISLY barge?
Planned maintenance scheduled April 23, 2019 at 23:30 UTC (7:30pm US/Eastern)
Announcing the arrival of Valued Associate #679: Cesar Manara
Unicorn Meta Zoo #1: Why another podcast?Does the US Navy guard SpaceX drone ships and make sure bad actors don't abscond with critical technology on the high seas?What barge height limit warning sign is Scott Manley describing? (Falcon Heavy core fell into ocean)When the CRS-6 Falcon 9 first stage hit the ASDS, did the Flight Termination System explode due to the heat of the fire?What started the explosion on the crashed Jason-3 stage landing on the barge?Which has greater accuracy? Minuteman ICBM or Falcon 9 first stage?Did the Thaicomm-8 SpaceX landed first stage move after landing?When will the first use of the SpaceX rocket grabber be on an ASDS?On the Falcon Heavy, why are the side boosters using Ti Grid fins, but not the center core?Was anything else about the Falcon Heavy test launch “off nominal” besides the center core return?How will they lower the landed side boosters after landing, if there is a nose cone?Why did the Falcon Heavy core engines fail to reignite?Does the downrange position of an ASDS vary, depending on payload mass?
$begingroup$
On the second flight of the Falcon Heavy, they successfully landed the side cores at LZ-1 and LZ-2, and the center core downrange on the ASDS Of Course I Still Love You.
Reports have come in that due to high seas, the stage fell off the barge.
It is a 100+ tall, 12 foot wide cylinder, standing on a large flat barge, so no doubt waves are very disruptive and toss it around.
Previous landings they have attached cables between the stage and welded attach points on the deck.
In the Thaicomm mission the booster landed hard and bent a leg and you can really see how they held it down in this image.
Later, they added the Xoomba/Octograbber.
This device is a Roomba shaped robot that drives out, in between the legs and grabs the stage, adding mass and lowering the center of the mass so the stage is more stable.
You can see how they used it here in this image.
It seems they did not use either approach on this landing. Do we know why?
spacex landing falcon-heavy recovery asds
edited Apr 16 at 16:01
Machavity
2,51511037
asked Apr 16 at 12:56
geoffcgeoffc
56.6k10165317
$endgroup$
add a comment |
$begingroup$
On the second flight of the Falcon Heavy, they successfully landed the side cores at LZ-1 and LZ-2, and the center core downrange on the ASDS Of Course I Still Love You.
Reports have come in that due to high seas, the stage fell off the barge.
It is a 100+ tall, 12 foot wide cylinder, standing on a large flat barge, so no doubt waves are very disruptive and toss it around.
Previous landings they have attached cables between the stage and welded attach points on the deck.
In the Thaicomm mission the booster landed hard and bent a leg and you can really see how they held it down in this image.
Later, they added the Xoomba/Octograbber.
This device is a Roomba shaped robot that drives out, in between the legs and grabs the stage, adding mass and lowering the center of the mass so the stage is more stable.
You can see how they used it here in this image.
It seems they did not use either approach on this landing. Do we know why?
spacex landing falcon-heavy recovery asds
edited Apr 16 at 16:01
Machavity
2,51511037
asked Apr 16 at 12:56
geoffcgeoffc
56.6k10165317
$endgroup$
2
$begingroup$
"roomba shaped"? do you mean round? it's far more of a squat truncated xone than a squat cylinder.
$endgroup$
– JCRM
Apr 16 at 13:31
2
$begingroup$
Roomba's are thin, disc like devices. Thin when you compare height to width. There are more dimensions than envisioned in your philosophy.
$endgroup$
– geoffc
Apr 16 at 13:35
1
$begingroup$
yes, roombas are squat cylinders, pucks. That device is not.
$endgroup$
– JCRM
Apr 16 at 13:36
$begingroup$
slightly related: Does the US Navy guard SpaceX drone ships and make sure bad actors don't abscond with critical technology on the high seas?
$endgroup$
– uhoh
Apr 16 at 15:34
add a comment |
$begingroup$
On the second flight of the Falcon Heavy, they successfully landed the side cores at LZ-1 and LZ-2, and the center core downrange on the ASDS Of Course I Still Love You.
Reports have come in that due to high seas, the stage fell off the barge.
It is a 100+ tall, 12 foot wide cylinder, standing on a large flat barge, so no doubt waves are very disruptive and toss it around.
Previous landings they have attached cables between the stage and welded attach points on the deck.
In the Thaicomm mission the booster landed hard and bent a leg and you can really see how they held it down in this image.
Later, they added the Xoomba/Octograbber.
This device is a Roomba shaped robot that drives out, in between the legs and grabs the stage, adding mass and lowering the center of the mass so the stage is more stable.
You can see how they used it here in this image.
It seems they did not use either approach on this landing. Do we know why?
spacex landing falcon-heavy recovery asds
edited Apr 16 at 16:01
Machavity
2,51511037
asked Apr 16 at 12:56
geoffcgeoffc
56.6k10165317
$endgroup$
On the second flight of the Falcon Heavy, they successfully landed the side cores at LZ-1 and LZ-2, and the center core downrange on the ASDS Of Course I Still Love You.
Reports have come in that due to high seas, the stage fell off the barge.
It is a 100+ tall, 12 foot wide cylinder, standing on a large flat barge, so no doubt waves are very disruptive and toss it around.
Previous landings they have attached cables between the stage and welded attach points on the deck.
In the Thaicomm mission the booster landed hard and bent a leg and you can really see how they held it down in this image.
Later, they added the Xoomba/Octograbber.
This device is a Roomba shaped robot that drives out, in between the legs and grabs the stage, adding mass and lowering the center of the mass so the stage is more stable.
You can see how they used it here in this image.
It seems they did not use either approach on this landing. Do we know why?
spacex landing falcon-heavy recovery asds
spacex landing falcon-heavy recovery asds
edited Apr 16 at 16:01
Machavity
2,51511037
asked Apr 16 at 12:56
geoffcgeoffc
56.6k10165317
edited Apr 16 at 16:01
Machavity
2,51511037
asked Apr 16 at 12:56
geoffcgeoffc
56.6k10165317
edited Apr 16 at 16:01
Machavity
2,51511037
edited Apr 16 at 16:01
Machavity
2,51511037
edited Apr 16 at 16:01
Machavity
2,51511037
2,51511037
asked Apr 16 at 12:56
geoffcgeoffc
56.6k10165317
asked Apr 16 at 12:56
geoffcgeoffc
56.6k10165317
asked Apr 16 at 12:56
geoffcgeoffc
56.6k10165317
56.6k10165317
2
$begingroup$
"roomba shaped"? do you mean round? it's far more of a squat truncated xone than a squat cylinder.
$endgroup$
– JCRM
Apr 16 at 13:31
2
$begingroup$
Roomba's are thin, disc like devices. Thin when you compare height to width. There are more dimensions than envisioned in your philosophy.
$endgroup$
– geoffc
Apr 16 at 13:35
1
$begingroup$
yes, roombas are squat cylinders, pucks. That device is not.
$endgroup$
– JCRM
Apr 16 at 13:36
$begingroup$
slightly related: Does the US Navy guard SpaceX drone ships and make sure bad actors don't abscond with critical technology on the high seas?
$endgroup$
– uhoh
Apr 16 at 15:34
add a comment |
2
$begingroup$
"roomba shaped"? do you mean round? it's far more of a squat truncated xone than a squat cylinder.
$endgroup$
– JCRM
Apr 16 at 13:31
2
$begingroup$
Roomba's are thin, disc like devices. Thin when you compare height to width. There are more dimensions than envisioned in your philosophy.
$endgroup$
– geoffc
Apr 16 at 13:35
1
$begingroup$
yes, roombas are squat cylinders, pucks. That device is not.
$endgroup$
– JCRM
Apr 16 at 13:36
$begingroup$
slightly related: Does the US Navy guard SpaceX drone ships and make sure bad actors don't abscond with critical technology on the high seas?
$endgroup$
– uhoh
Apr 16 at 15:34
2
2
$begingroup$
"roomba shaped"? do you mean round? it's far more of a squat truncated xone than a squat cylinder.
$endgroup$
– JCRM
Apr 16 at 13:31
$begingroup$
"roomba shaped"? do you mean round? it's far more of a squat truncated xone than a squat cylinder.
$endgroup$
– JCRM
Apr 16 at 13:31
2
2
$begingroup$
Roomba's are thin, disc like devices. Thin when you compare height to width. There are more dimensions than envisioned in your philosophy.
$endgroup$
– geoffc
Apr 16 at 13:35
$begingroup$
Roomba's are thin, disc like devices. Thin when you compare height to width. There are more dimensions than envisioned in your philosophy.
$endgroup$
– geoffc
Apr 16 at 13:35
1
1
$begingroup$
yes, roombas are squat cylinders, pucks. That device is not.
$endgroup$
– JCRM
Apr 16 at 13:36
$begingroup$
yes, roombas are squat cylinders, pucks. That device is not.
$endgroup$
– JCRM
Apr 16 at 13:36
$begingroup$
slightly related: Does the US Navy guard SpaceX drone ships and make sure bad actors don't abscond with critical technology on the high seas?
$endgroup$
– uhoh
Apr 16 at 15:34
$begingroup$
slightly related: Does the US Navy guard SpaceX drone ships and make sure bad actors don't abscond with critical technology on the high seas?
$endgroup$
– uhoh
Apr 16 at 15:34
add a comment |
1 Answer
1
active
oldest
votes
$begingroup$
The reports indicate the seas were high enough they did not want to send people on board to weld it down.
Further reports suggest the seas were up to ten foot swells, and remember that the ASDS barges are very large and flat.
They did not use the Octobgrabber/Xoomba, because the attach points it uses on a Falcon 9 core, are modified and not available on a Falcon Heavy center core, since they are used to hold the side cores.
Musk tweeted that the needed modifications were not done in time for this landing, to support grabbing a Center core.
The implication seems to indicate that they will be modifying the Octograbber to support the Falcon Heavy center core for future landing attempts.
It is worth noting they do not use a Xoomba/Octograbber on Just Read The Instruction in the Pacific ocean landings from launches out of Vandenberg SLC-4. Thus it is not considered a critical piece of infrastructure, just an enhancement, which in this case cost them a stage that could have been reused.
A tweet from someone who overflew the barge says that it is currently lying on its side. Suggesting it tipped, but did not explode, did not fall into the water. Might be recoverable. That ding will buff right out, I am sure.
Video cued at 01:21 for "May 2016". Un-attached rocket freely sliding back and forth on a lightly pitching ship:
answered Apr 16 at 12:59
geoffcgeoffc
56.6k10165317
$endgroup$
add a comment |
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$begingroup$
The reports indicate the seas were high enough they did not want to send people on board to weld it down.
Further reports suggest the seas were up to ten foot swells, and remember that the ASDS barges are very large and flat.
They did not use the Octobgrabber/Xoomba, because the attach points it uses on a Falcon 9 core, are modified and not available on a Falcon Heavy center core, since they are used to hold the side cores.
Musk tweeted that the needed modifications were not done in time for this landing, to support grabbing a Center core.
The implication seems to indicate that they will be modifying the Octograbber to support the Falcon Heavy center core for future landing attempts.
It is worth noting they do not use a Xoomba/Octograbber on Just Read The Instruction in the Pacific ocean landings from launches out of Vandenberg SLC-4. Thus it is not considered a critical piece of infrastructure, just an enhancement, which in this case cost them a stage that could have been reused.
A tweet from someone who overflew the barge says that it is currently lying on its side. Suggesting it tipped, but did not explode, did not fall into the water. Might be recoverable. That ding will buff right out, I am sure.
Video cued at 01:21 for "May 2016". Un-attached rocket freely sliding back and forth on a lightly pitching ship:
answered Apr 16 at 12:59
geoffcgeoffc
56.6k10165317
$endgroup$
add a comment |
$begingroup$
The reports indicate the seas were high enough they did not want to send people on board to weld it down.
Further reports suggest the seas were up to ten foot swells, and remember that the ASDS barges are very large and flat.
They did not use the Octobgrabber/Xoomba, because the attach points it uses on a Falcon 9 core, are modified and not available on a Falcon Heavy center core, since they are used to hold the side cores.
Musk tweeted that the needed modifications were not done in time for this landing, to support grabbing a Center core.
The implication seems to indicate that they will be modifying the Octograbber to support the Falcon Heavy center core for future landing attempts.
It is worth noting they do not use a Xoomba/Octograbber on Just Read The Instruction in the Pacific ocean landings from launches out of Vandenberg SLC-4. Thus it is not considered a critical piece of infrastructure, just an enhancement, which in this case cost them a stage that could have been reused.
A tweet from someone who overflew the barge says that it is currently lying on its side. Suggesting it tipped, but did not explode, did not fall into the water. Might be recoverable. That ding will buff right out, I am sure.
Video cued at 01:21 for "May 2016". Un-attached rocket freely sliding back and forth on a lightly pitching ship:
answered Apr 16 at 12:59
geoffcgeoffc
56.6k10165317
$endgroup$
add a comment |
$begingroup$
The reports indicate the seas were high enough they did not want to send people on board to weld it down.
Further reports suggest the seas were up to ten foot swells, and remember that the ASDS barges are very large and flat.
They did not use the Octobgrabber/Xoomba, because the attach points it uses on a Falcon 9 core, are modified and not available on a Falcon Heavy center core, since they are used to hold the side cores.
Musk tweeted that the needed modifications were not done in time for this landing, to support grabbing a Center core.
The implication seems to indicate that they will be modifying the Octograbber to support the Falcon Heavy center core for future landing attempts.
It is worth noting they do not use a Xoomba/Octograbber on Just Read The Instruction in the Pacific ocean landings from launches out of Vandenberg SLC-4. Thus it is not considered a critical piece of infrastructure, just an enhancement, which in this case cost them a stage that could have been reused.
A tweet from someone who overflew the barge says that it is currently lying on its side. Suggesting it tipped, but did not explode, did not fall into the water. Might be recoverable. That ding will buff right out, I am sure.
Video cued at 01:21 for "May 2016". Un-attached rocket freely sliding back and forth on a lightly pitching ship:
answered Apr 16 at 12:59
geoffcgeoffc
56.6k10165317
$endgroup$
The reports indicate the seas were high enough they did not want to send people on board to weld it down.
Further reports suggest the seas were up to ten foot swells, and remember that the ASDS barges are very large and flat.
They did not use the Octobgrabber/Xoomba, because the attach points it uses on a Falcon 9 core, are modified and not available on a Falcon Heavy center core, since they are used to hold the side cores.
Musk tweeted that the needed modifications were not done in time for this landing, to support grabbing a Center core.
The implication seems to indicate that they will be modifying the Octograbber to support the Falcon Heavy center core for future landing attempts.
It is worth noting they do not use a Xoomba/Octograbber on Just Read The Instruction in the Pacific ocean landings from launches out of Vandenberg SLC-4. Thus it is not considered a critical piece of infrastructure, just an enhancement, which in this case cost them a stage that could have been reused.
A tweet from someone who overflew the barge says that it is currently lying on its side. Suggesting it tipped, but did not explode, did not fall into the water. Might be recoverable. That ding will buff right out, I am sure.
Video cued at 01:21 for "May 2016". Un-attached rocket freely sliding back and forth on a lightly pitching ship:
answered Apr 16 at 12:59
geoffcgeoffc
56.6k10165317
edited Apr 16 at 18:27
answered Apr 16 at 12:59
geoffcgeoffc
56.6k10165317
answered Apr 16 at 12:59
geoffcgeoffc
56.6k10165317
answered Apr 16 at 12:59
geoffcgeoffc
56.6k10165317
56.6k10165317
add a comment |
add a comment |
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2
$begingroup$
"roomba shaped"? do you mean round? it's far more of a squat truncated xone than a squat cylinder.
$endgroup$
– JCRM
Apr 16 at 13:31
2
$begingroup$
Roomba's are thin, disc like devices. Thin when you compare height to width. There are more dimensions than envisioned in your philosophy.
$endgroup$
– geoffc
Apr 16 at 13:35
1
$begingroup$
yes, roombas are squat cylinders, pucks. That device is not.
$endgroup$
– JCRM
Apr 16 at 13:36
$begingroup$
slightly related: Does the US Navy guard SpaceX drone ships and make sure bad actors don't abscond with critical technology on the high seas?
$endgroup$
– uhoh
Apr 16 at 15:34