Author Topic: S25/B9 Flight profile with altitude & velocity  (Read 3637 times)

Offline Masshole

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S25/B9 Flight profile with altitude & velocity
« on: 04/28/2023 02:11 pm »
Long time lurker, new account.

During the test flight of S24/B7, it was obvious that the loss of engines, HPU and engine detonations during launch, and exhaust plume discoloration that Starship was not accelerating as quickly as it should to support stage separation, and that the altitude was too low. I believe state separation should have been at 60-70 km altitude and 8650 km/hr, but cannot confirm, or velocity at different times of the launch.

Ahead of the next flight, how can the mission profile picture on page 2 be updated with expected altitude and velocity be added, as a way to see if the flight is going well real time. I was surprised that the SpaceX announcers didn't have this information real time during the flight test, but that's a nit pick.

I can aggregate the data, but don't know how to find it.
https://spacex.com.pl/files/2023-04/starship-flight-test-press-kit.pdf
« Last Edit: 04/28/2023 02:14 pm by Masshole »

Offline daveglo

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Re: S25/B9 Flight profile with altitude & velocity
« Reply #1 on: 04/28/2023 02:27 pm »
One option is to look at Onespeed's Starship simulations, found here:

https://forum.nasaspaceflight.com/index.php?topic=47179.0

His sims are very high fidelity.

Offline Masshole

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Re: S25/B9 Flight profile with altitude & velocity
« Reply #2 on: 04/28/2023 03:03 pm »
One option is to look at Onespeed's Starship simulations, found here:

https://forum.nasaspaceflight.com/index.php?topic=47179.0

His sims are very high fidelity.

Perfect! Thank you.

Offline xmple

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Re: S25/B9 Flight profile with altitude & velocity
« Reply #3 on: 11/27/2023 01:18 pm »
I draw the altitude and velocity profile according to the video of IFT2.

Offline InterestedEngineer

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Re: S25/B9 Flight profile with altitude & velocity
« Reply #4 on: 11/27/2023 11:40 pm »
I draw the altitude and velocity profile according to the video of IFT2.

what are the units?

Offline Brigantine

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Re: S25/B9 Flight profile with altitude & velocity
« Reply #5 on: 11/28/2023 12:22 am »
what are the units?
speed (seems to be m/s)
time (s)

Altitude must be on another plot somewhere not referenced

 

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