Author Topic: Flight 12 (Booster 19, Ship 39) pre-flight preparations  (Read 191563 times)

Offline meekGee

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Re: Flight 12 (Booster 18, Ship 39) pre-flight preparations
« Reply #40 on: 10/15/2025 01:45 pm »
There are also 2 interesting hexagonal-pyramid shaped tiles visible between the top of the nose vent thingy and the top of the forward flaps.
Odd indeed.
Remember the reason for hex tiles was to prevent gaps from being collinear, to disrupt plasma flow?
With something like this, even the single gaps are kinda protected.

Of installed throughout, they'll make such a hypothetical ship look very... distinct.

Many questions:
What effect will it have on the ship's aerodynamics? Will it be like a golf ball? How about forces acting on the tiles?

Or are these just covers of some sort.
My guess would be covers, but for what?...

I was going to wait for additional shots of the other side and then the aft section to be delivered in a few weeks to give an opinion, but I'll put my two 2-cents now:   LIDAR for fuel take rendezvous.
LIDAR would require them to be transparent in the laser frequency being used. Maybe RADAR instead?

I go either way, I know Elon hates Lidar, so radar emitter and receiver (pairs) would make sense.
He hates it as a solution for mass produced autonomous cars, I don't think he's got it in for the technology.

But maybe you're right and hence the pairing.
« Last Edit: 10/15/2025 01:46 pm by meekGee »
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Online catdlr

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Re: Flight 12 (Booster 18, Ship 39) pre-flight preparations
« Reply #41 on: 10/16/2025 11:53 am »
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Starbase Surfer
@cnunezimages
Starship 39. Flight 12 Hardware - October 12, 2025

https://twitter.com/cnunezimages/status/1978643156603142374
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Online DanClemmensen

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Re: Flight 12 (Booster 18, Ship 39) pre-flight preparations
« Reply #42 on: 10/16/2025 01:32 pm »
I go either way, I know Elon hates Lidar, so radar emitter and receiver (pairs) would make sense.
He hates it as a solution for mass produced autonomous cars, I don't think he's got it in for the technology.

But maybe you're right and hence the pairing.
Elon "hates" any extra active sensor system. "The best part is no part". He believes that cameras and image processing suffice for everything. As an extreme example, a software update deliberately disabled the sonar parking sensors on my 2020 Model Y in favor of just using the cameras. That car got rear-ended and totaled (not due to sensors) and the replacement 2023 Model Y does not have the sonar sensors at all. If we want to use Teslas as a guide, we should expect RPOD to use cameras only. From a sensor perspective, RPOD is a whole lot simpler than FSD.

Offline rsdavis9

I go either way, I know Elon hates Lidar, so radar emitter and receiver (pairs) would make sense.
He hates it as a solution for mass produced autonomous cars, I don't think he's got it in for the technology.

But maybe you're right and hence the pairing.
Elon "hates" any extra active sensor system. "The best part is no part". He believes that cameras and image processing suffice for everything. As an extreme example, a software update deliberately disabled the sonar parking sensors on my 2020 Model Y in favor of just using the cameras. That car got rear-ended and totaled (not due to sensors) and the replacement 2023 Model Y does not have the sonar sensors at all. If we want to use Teslas as a guide, we should expect RPOD to use cameras only. From a sensor perspective, RPOD is a whole lot simpler than FSD.

They use lidar on dragon. I think they had trouble with specular reflection on the first docking with lidar.
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Offline meekGee

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Re: Flight 12 (Booster 18, Ship 39) pre-flight preparations
« Reply #44 on: 10/16/2025 05:08 pm »
I go either way, I know Elon hates Lidar, so radar emitter and receiver (pairs) would make sense.
He hates it as a solution for mass produced autonomous cars, I don't think he's got it in for the technology.

But maybe you're right and hence the pairing.
Elon "hates" any extra active sensor system. "The best part is no part". He believes that cameras and image processing suffice for everything. As an extreme example, a software update deliberately disabled the sonar parking sensors on my 2020 Model Y in favor of just using the cameras. That car got rear-ended and totaled (not due to sensors) and the replacement 2023 Model Y does not have the sonar sensors at all. If we want to use Teslas as a guide, we should expect RPOD to use cameras only. From a sensor perspective, RPOD is a whole lot simpler than FSD.
I agree cameras are better than Lidar but only if they can do he job.

There are also solid state range-sensing optical sensors, but I also agree radar is probably better than all, and will go through an opaque tile.

As for Teslas, don't get me started... :) 

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Online DanClemmensen

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Re: Flight 12 (Booster 18, Ship 39) pre-flight preparations
« Reply #45 on: 10/16/2025 05:19 pm »
I go either way, I know Elon hates Lidar, so radar emitter and receiver (pairs) would make sense.
He hates it as a solution for mass produced autonomous cars, I don't think he's got it in for the technology.

But maybe you're right and hence the pairing.
Elon "hates" any extra active sensor system. "The best part is no part". He believes that cameras and image processing suffice for everything. As an extreme example, a software update deliberately disabled the sonar parking sensors on my 2020 Model Y in favor of just using the cameras. That car got rear-ended and totaled (not due to sensors) and the replacement 2023 Model Y does not have the sonar sensors at all. If we want to use Teslas as a guide, we should expect RPOD to use cameras only. From a sensor perspective, RPOD is a whole lot simpler than FSD.
I agree cameras are better than Lidar but only if they can do he job.

There are also solid state range-sensing optical sensors, but I also agree radar is probably better than all, and will go through an opaque tile.

As for Teslas, don't get me started... :)
Hey, I did not say I agreed with Elon on this. I just explained his position. I'm fairly sure cameras would work well for RPOD, but soem sort of active ranging scheme would be helpful, especially beyond about 1000 meters. I'm not sure why this needs those two funny pyramids on the windward side.

Offline meekGee

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Re: Flight 12 (Booster 18, Ship 39) pre-flight preparations
« Reply #46 on: 10/16/2025 06:15 pm »
I go either way, I know Elon hates Lidar, so radar emitter and receiver (pairs) would make sense.
He hates it as a solution for mass produced autonomous cars, I don't think he's got it in for the technology.

But maybe you're right and hence the pairing.
Elon "hates" any extra active sensor system. "The best part is no part". He believes that cameras and image processing suffice for everything. As an extreme example, a software update deliberately disabled the sonar parking sensors on my 2020 Model Y in favor of just using the cameras. That car got rear-ended and totaled (not due to sensors) and the replacement 2023 Model Y does not have the sonar sensors at all. If we want to use Teslas as a guide, we should expect RPOD to use cameras only. From a sensor perspective, RPOD is a whole lot simpler than FSD.
I agree cameras are better than Lidar but only if they can do he job.

There are also solid state range-sensing optical sensors, but I also agree radar is probably better than all, and will go through an opaque tile.

As for Teslas, don't get me started... :)
Hey, I did not say I agreed with Elon on this. I just explained his position. I'm fairly sure cameras would work well for RPOD, but soem sort of active ranging scheme would be helpful, especially beyond about 1000 meters. I'm not sure why this needs those two funny pyramids on the windward side.
I'm holding hope that these are tests for an all-bumpy cover scheme, just because it will look cool...
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Offline Metalskin

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Re: Flight 12 (Booster 18, Ship 39) pre-flight preparations
« Reply #47 on: 10/16/2025 09:33 pm »
I'm holding hope that these are tests for an all-bumpy cover scheme, just because it will look cool...

Maybe they'll do a golf ball style dimpled starship? (half joking, but who knows).
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Offline lightleviathan

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Re: Flight 12 (Booster 18, Ship 39) pre-flight preparations
« Reply #48 on: 10/16/2025 10:11 pm »
I go either way, I know Elon hates Lidar, so radar emitter and receiver (pairs) would make sense.
He hates it as a solution for mass produced autonomous cars, I don't think he's got it in for the technology.

But maybe you're right and hence the pairing.
Elon "hates" any extra active sensor system. "The best part is no part". He believes that cameras and image processing suffice for everything. As an extreme example, a software update deliberately disabled the sonar parking sensors on my 2020 Model Y in favor of just using the cameras. That car got rear-ended and totaled (not due to sensors) and the replacement 2023 Model Y does not have the sonar sensors at all. If we want to use Teslas as a guide, we should expect RPOD to use cameras only. From a sensor perspective, RPOD is a whole lot simpler than FSD.
I agree cameras are better than Lidar but only if they can do he job.

There are also solid state range-sensing optical sensors, but I also agree radar is probably better than all, and will go through an opaque tile.

As for Teslas, don't get me started... :)
Hey, I did not say I agreed with Elon on this. I just explained his position. I'm fairly sure cameras would work well for RPOD, but soem sort of active ranging scheme would be helpful, especially beyond about 1000 meters. I'm not sure why this needs those two funny pyramids on the windward side.

He's also said that lidar makes sense for rockets (after all, it is used for Dragon docking), but not for cars. So this very well could be for future lidar modules.

Offline meekGee

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Re: Flight 12 (Booster 18, Ship 39) pre-flight preparations
« Reply #49 on: 10/17/2025 12:19 am »
I'm holding hope that these are tests for an all-bumpy cover scheme, just because it will look cool...

Maybe they'll do a golf ball style dimpled starship? (half joking, but who knows).
I thought that would be the secondary effect.

The main effect would be shielding the inter-tile gaps from direct flow, when and where the flow runs parallel to the surface.
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Re: Flight 12 (Booster 18, Ship 39) pre-flight preparations
« Reply #50 on: 10/20/2025 04:21 pm »
Quote
NSF - NASASpaceflight.com
@NASASpaceflight
·
Ship 39 is now inside Mega Bay 2, preparing for Flight 12, the debut of the next-generation Starship that will launch from Pad 2 at Starbase.

https://twitter.com/NASASpaceflight/status/1980016199837610052

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Re: Flight 12 (Booster 18, Ship 39) pre-flight preparations
« Reply #51 on: 10/21/2025 12:46 am »
Quote
Jack Beyer
@thejackbeyer
Ship 39’s nosecone was lifted inside mega bay 2 this evening. With the rise of the gigabay, this might be the last time we see this sort of operation. Final views of the first version 3 Starship. End of the beginning.
@NASASpaceflight

https://x.com/thejackbeyer/status/1980433760069005804
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Online catdlr

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Re: Flight 12 (Booster 18, Ship 39) pre-flight preparations
« Reply #52 on: 10/21/2025 01:25 am »
Quote
StarbaseTracking
@TrackingTheSB
·

Ship 39's Forward Dome barrel has rolled out of Starfactory!


https://twitter.com/TrackingTheSB/status/1980443846246023258
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Offline meekGee

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Re: Flight 12 (Booster 18, Ship 39) pre-flight preparations
« Reply #53 on: 10/21/2025 02:03 am »
I read this book as a kid, about the battle of Britain.

The last line, IIRC (50 years, almost...), was:
"For us, it was the end of the beginning. For the Germans, it was the beginning of the end".

(Riffing on Churchill's line)

I need to find that book again...

Anyway, that's a pretty stark reference.
« Last Edit: 10/21/2025 02:05 am by meekGee »
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Online catdlr

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Re: Flight 12 (Booster 18, Ship 39) pre-flight preparations
« Reply #54 on: 10/21/2025 02:10 am »
Quote
StarbaseTracking
@TrackingTheSB
·

Following the double lift lines being connected, Ship 39's N:3 (Nosecone and Payload bay) with the FX:4 (Forward Dome) connected to the bottom was lifted to the turn table where they will be welded together.

https://twitter.com/TrackingTheSB/status/1980454529033265592
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Re: Flight 12 (Booster 18, Ship 39) pre-flight preparations
« Reply #55 on: 10/21/2025 02:11 am »
Here is the current status with the follwing initial set of V3 ships

Pictures attached in this order
S39
S40
S41
S42 and S43 in one photo
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Re: Flight 12 (Booster 18, Ship 39) pre-flight preparations
« Reply #56 on: 10/21/2025 03:01 am »
Things are moving apace now 👍

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Re: Flight 12 (Booster 18, Ship 39) pre-flight preparations
« Reply #57 on: 10/21/2025 03:05 am »
Time-lapse Video Post

Quote
MattZ@wvmattz
·

SpaceX kept the Mega Bay 2 door open tonight, which allowed us to see Ship 39 being lifted and rotated; the nosecone/payload bay and forward section were later connected as well!  Neat!

https://twitter.com/wvmattz/status/1980466129907900923
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I know Elon hates Lidar

No, he not only never claimed to hate Lidar, he even bragged about being directly involved in development of the Dragon's Lidar.

You are probably referring to his dislike for using it for self-driving cars, which rather makes sense when you know the details - He wasn't the first to criticize that use case (like bad weather unreliability or the whole object detection and situational context understanding ML revolution of the last ~5 years working only with cameras, while Lidar is still relying for the most part on decades old basic collision avoidance algos).

In other words: I don't think there is any kind of prejudice against lidar at Spacex if it's the right tool for the job.


it might be the docking adapter for the depot refueling.

Will a Starlink deploying Starship variant ever need orbital refilling? Are they just combining hardware to do various tests with the same Starship prototype?

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Re: Flight 12 (Booster 18, Ship 39) pre-flight preparations
« Reply #59 on: 10/21/2025 03:52 pm »
I know Elon hates Lidar

You are probably referring to his dislike for using it for self-driving cars



Yes, Kazioo, and I agree, but it appears that everyone on this thread is focusing on my statement rather than the issue. Therefore, I have revisited and removed it to keep this thread focused. I am not prejudiced against him, as everyone seems to be implying. I think Kazoo fully understood my statement.
« Last Edit: 10/21/2025 04:05 pm by catdlr »
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