Author Topic: Starship Static Fire stand on OLM structure  (Read 11050 times)

Online catdlr

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Starship Static Fire stand on OLM structure
« on: 06/29/2025 06:29 pm »
With the high probability of continued Static Firing at the OLM-1 pad as Massey is repaired, this thread will be devoted to:

1) Modifications to the OLM-1 to allow Ship Static firings,
2) Existing Tank Farm modification to support this, and,
3) Documenting all Ship Static firings until Massey is reopened for business.


This is a single, stand-alone thread for Updates and Discussion.

For Massey, damage and repair reporting, that discussion and updates continue in the established Massey thread.
https://forum.nasaspaceflight.com/index.php?topic=57205.0

I've requested that the mods move a specific post from the Massey thread into this one to maintain consistency.

We start this thread with the write-up from Ryan Weber:

https://www.nasaspaceflight.com/2025/06/masseys-spacex-static-fire-ships-pad-a/

Video related to it:

« Last Edit: 06/29/2025 06:52 pm by catdlr »
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Offline crandles57

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Re: Starship Static Fire stand on OLM structure
« Reply #1 on: 06/29/2025 06:50 pm »
Adapting transport stand to work with booster hold down clamps seems the obvious way to do it rather than welding stuff on and removing it particularly if there are to be several changes between booster and ship arrangements.

Do we expect the running order to feature many changes of format or few?

e.g.
Adapt to ship test format
Static fire ship 37
Cryo-proof ship 38
Change back to booster launch format
Launch B16 Ship 37
Change back to ship test format
Static fire ship 38
Change back to booster launch format
Launch B15-2? Ship 38

or minimise the changeovers:

Adapt to ship test format
Static fire ship 37
Cryo-proof ship 38
Static fire ship 38 (typically a couple of weeks after cryo-proof so delays Ship 37 launch)
Change back to booster launch format
Launch B16 Ship 37
Launch B15-2 Ship 38

Might they get those 2 launches done by ~ September? Is there then a gap before v3 launches (end of year earliest?)?

Or might there be more v2 ships and launches? Ship 39 being a v3 Ship might take a while to get ready and doesn't stop ship 40 being built as a v2 ship?

Offline meekGee

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Re: Starship Static Fire stand on OLM structure
« Reply #2 on: 06/29/2025 07:55 pm »
Adapting transport stand to work with booster hold down clamps seems the obvious way to do it rather than welding stuff on and removing it particularly if there are to be several changes between booster and ship arrangements.

Do we expect the running order to feature many changes of format or few?

e.g.
Adapt to ship test format
Static fire ship 37
Cryo-proof ship 38
Change back to booster launch format
Launch B16 Ship 37
Change back to ship test format
Static fire ship 38
Change back to booster launch format
Launch B15-2? Ship 38

or minimise the changeovers:

Adapt to ship test format
Static fire ship 37
Cryo-proof ship 38
Static fire ship 38 (typically a couple of weeks after cryo-proof so delays Ship 37 launch)
Change back to booster launch format
Launch B16 Ship 37
Launch B15-2 Ship 38

Might they get those 2 launches done by ~ September? Is there then a gap before v3 launches (end of year earliest?)?

Or might there be more v2 ships and launches? Ship 39 being a v3 Ship might take a while to get ready and doesn't stop ship 40 being built as a v2 ship?
Can we ballpark Massy v3 to be 4 months, so November 1?
Putting first v3 flight from pad B in January 2026?

I think this removes the pressure to hurry it up with v2, except for the extent that some ship 38 flight info might inform ship 39-40 design?  (I expect that there's no such dependency)


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Offline Vettedrmr

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Re: Starship Static Fire stand on OLM structure
« Reply #3 on: 06/29/2025 09:34 pm »
Can we ballpark Massy v3 to be 4 months, so November 1?
Putting first v3 flight from pad B in January 2026?

I think this removes the pressure to hurry it up with v2, except for the extent that some ship 38 flight info might inform ship 39-40 design?  (I expect that there's no such dependency)

I'm guessing V2 flights can resume in September.  2 V2 flights for the rest of this year?

As far as Massey goes, I expect if they're going to convert to V3, it'll take the rest of this year, including GSE testing.  First actual use in Q1 '26.
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Online catdlr

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Re: Starship Static Fire stand on OLM structure
« Reply #4 on: 06/30/2025 03:39 pm »
Today's Picture Status from Starship Gazer

Quote
View of the launch complex this morning with the newly arrived ship transport stand parked near pad 1.

6/28/25

https://twitter.com/StarshipGazer/status/1939000001566232604
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Online catdlr

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Re: Starship Static Fire stand on OLM structure
« Reply #5 on: 07/01/2025 09:55 pm »
« Last Edit: 07/01/2025 09:55 pm by catdlr »
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Re: Starship Static Fire stand on OLM structure
« Reply #6 on: 07/02/2025 06:11 am »


Quote
Work has started on the Ring Wall conversion stand to static fire Ship 37 on Pad A OLM. They have cut off all the angle steel that helps transfer the loads to the stand legs. This is likely to shrink the diameter down. Unsure if they will weld on a larger bottom lip and mag drill the bolt pattern to match the clamp arms. All the booster hold downs were removed from the 20 clamps this will provide a flat surface to bolt down the converted Ring-wall.


https://twitter.com/AshleyKillip/status/1940286614800097423
« Last Edit: 07/02/2025 06:12 am by catdlr »
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Re: Starship Static Fire stand on OLM structure
« Reply #7 on: 07/02/2025 08:10 pm »
Additional theories from ChromeKiwi

https://twitter.com/AshleyKillip/status/1940306107534393476

Quote
This is how i think they might attach the ring wall to the Booster hold down clamps, since they have cut off the lower supports to the verticals they could weld a fresh steel ring to the bottom with the same bolt pattern as the clamps. Or they could use an old set of booster clamps and weld them to the stand itself this would mean no cutting of holes would be required.
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Re: Starship Static Fire stand on OLM structure
« Reply #8 on: 07/03/2025 02:06 am »
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Re: Starship Static Fire stand on OLM structure
« Reply #9 on: 07/03/2025 07:14 pm »
New Direction on the mount:

https://twitter.com/CSI_Starbase/status/1940849141661552785

Quote
Thankfully, with the addition of these legs, it no longer appears that the launch mount adapter for the ship will be integrated with the hold down clamps 🙌🏾

These should make the footprint wide enough to attach it to the top of the deck

https://twitter.com/CSI_Starbase/status/1940850152044220817

Quote
Yes the arms will remain closed, which will prevent potential damage to Raptor QDs.  That is the single most important design consideration in my opinion.
« Last Edit: 07/03/2025 07:17 pm by catdlr »
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Re: Starship Static Fire stand on OLM structure
« Reply #10 on: 07/05/2025 10:20 pm »
The delivery of what appears to be legs may be an attempt to widen the stance of the transport ring and enable it to sit atop the OLM.  Marcus House discusses this on his weekly status video, and two clips are included in the following post.

https://twitter.com/INiallAnderson/status/1940853632653840498

Quote
With more shots by Shaun we can see they're constructing legs that will give the base of the stand a wider footprint meaning it'll likely be attached to the top deck of the OLM not the clamps 👀...
« Last Edit: 07/05/2025 10:29 pm by catdlr »
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Re: Starship Static Fire stand on OLM structure
« Reply #12 on: 07/06/2025 05:37 pm »
https://twitter.com/ENNEPS/status/1941865243866481020

Quote
With the door to Mega Bay 2 open this morning, @NASASpaceflight's camera was able to spot a Ship QD plate being lifted out, we will have to keep watching to see if this is part of the work for Pad B or as part of the ship static fire modifications at Pad A
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Offline russianhalo117

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Re: Starship Static Fire stand on OLM structure
« Reply #13 on: 07/07/2025 06:36 pm »
The delivery of what appears to be legs may be an attempt to widen the stance of the transport ring and enable it to sit atop the OLM.  Marcus House discusses this on his weekly status video, and two clips are included in the following post.

https://twitter.com/INiallAnderson/status/1940853632653840498

Quote
With more shots by Shaun we can see they're constructing legs that will give the base of the stand a wider footprint meaning it'll likely be attached to the top deck of the OLM not the clamps ...
The latest RGV flyover data indicates that the wielded structures are NOT legs RATHER for the RVac Static Fire brace damper system mounts (two per RVac engine).
« Last Edit: 07/07/2025 06:37 pm by russianhalo117 »

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Re: Starship Static Fire stand on OLM structure
« Reply #14 on: 07/07/2025 06:56 pm »
The delivery of what appears to be legs may be an attempt to widen the stance of the transport ring and enable it to sit atop the OLM.  Marcus House discusses this on his weekly status video, and two clips are included in the following post.

https://x.com/INiallAnderson/status/1940853632653840498

Quote
With more shots by Shaun we can see they're constructing legs that will give the base of the stand a wider footprint meaning it'll likely be attached to the top deck of the OLM not the clamps ...
The latest RGV flyover data indicates that the wielded structures are NOT legs RATHER for the RVac Static Fire brace damper system mounts (two per RVac engine).

These.  The arrow in the second picture shows one of them.
« Last Edit: 07/07/2025 06:59 pm by catdlr »
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Re: Starship Static Fire stand on OLM structure
« Reply #15 on: 07/08/2025 02:32 pm »
https://twitter.com/StarshipGazer/status/1942418787799585006

Quote
A current view of progress on the Starship transport stand being modified into a pad 1 launch mount ship static fire adapter. New pieces are being welded on that are thought to be RVac (Raptor Vacuum) braces for static firing.

7/7/25
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Offline DanClemmensen

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Re: Starship Static Fire stand on OLM structure
« Reply #16 on: 07/08/2025 02:58 pm »
Have we seen anything that looks like SQD plumbing?

Is SpaceX crazy enough to use the chopsticks to raise the Ship up to fill it with the actual SQD and then lower it to the stand for the actual static fire?

Offline Vettedrmr

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Re: Starship Static Fire stand on OLM structure
« Reply #17 on: 07/08/2025 03:49 pm »
I'm not sure the chopsticks can hold a ship with enough LCH4/LOX for a SF.  I'm not sure they can't, either.
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Offline KilroySmith

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Re: Starship Static Fire stand on OLM structure
« Reply #18 on: 07/08/2025 04:31 pm »
Is SpaceX crazy enough to use the chopsticks to raise the Ship up to fill it with the actual SQD and then lower it to the stand for the actual static fire?

I read that and snorted - "that is a completely nuts idea".  And then I thought about it for a bit - and remembered watching SN8 do the first belly flop - and now I'm in the "well, maybe, that'd certainly be a SpaceX kind of thing to do" camp.

Offline edzieba

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Re: Starship Static Fire stand on OLM structure
« Reply #19 on: 07/08/2025 04:40 pm »
Have we seen anything that looks like SQD plumbing?

Is SpaceX crazy enough to use the chopsticks to raise the Ship up to fill it with the actual SQD and then lower it to the stand for the actual static fire?
Only if this new test ring is not intended to sit directly on/in the OLM ring, but instead on (yet to be seen) extended legs, a-la the Saturn IB 'milkstool'.

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