Author Topic: Fairing reuse  (Read 978457 times)

Offline Jim

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Re: Fairing reuse
« Reply #2240 on: 05/02/2023 09:27 pm »

https://twitter.com/spacex/status/1653509582046769156

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Fairing reentry on the ViaSat-3 mission was the hottest and fastest we've ever attempted.  The fairings re-entered the atmosphere greater than 15x the speed of sound, creating a large trail of plasma in its wake

I saw the SES O3B fairings yesterday.  The logos were scorched.

Offline joek

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Re: Fairing reuse
« Reply #2241 on: 05/02/2023 09:52 pm »
Quote
Fairing reentry on the ViaSat-3 mission was the hottest and fastest we've ever attempted.  The fairings re-entered the atmosphere greater than 15x the speed of sound, creating a large trail of plasma in its wake

Would love to see what the reentry profile looks like.

Offline Asteroza

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Re: Fairing reuse
« Reply #2242 on: 05/08/2023 03:22 am »
Will the Viasat-3 FH fairings be reused? Or is that a bridge too far?

Online wannamoonbase

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Re: Fairing reuse
« Reply #2243 on: 05/08/2023 02:16 pm »
Will the Viasat-3 FH fairings be reused? Or is that a bridge too far?

Good question, I'm wondering the same. 

I think their goal is to reuse them, or they wouldn't have gone through the trouble to recover them.

NSF community correct me if I'm wrong, but they looked like freshly coated fairing halves, but they each had previously flown.  So I was wondering if the coating they apply is an ablative shield.

If so, then maybe they just apply a thicker coating for these higher energy returns.

I believe it was the last Starlink flight where one half was on it's 9th flight and the other half was on it's 8th.  They are really making headway on the efficiencies of reusing the fairings.

If there was competition or if SpaceX had extra launch capacity to sell, it would be interesting to see what their per flight sales price would really be, because I think they already have room to lower prices, but there is no reason for them to do so at this point.
Wildly optimistic prediction, Superheavy recovery on IFT-4 or IFT-5 (Welp a little early on IFT-4, but still have a shot at 5)

Offline alugobi

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Re: Fairing reuse
« Reply #2244 on: 05/08/2023 04:37 pm »
Will the Viasat-3 FH fairings be reused? Or is that a bridge too far?


I think their goal is to reuse them, or they wouldn't have gone through the trouble to recover them.
If they can, of course.  But I believe that they were certainly motivated to examine them at minimum.

Online wannamoonbase

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Re: Fairing reuse
« Reply #2245 on: 06/19/2023 02:18 am »
I am still amazed at well fairing recovery is going. 

Todays Satria launch had a 7th and 9th fairing halves.

It’s going to be fun seeing how many flights they can get out of these. 

Maybe they last longer than the boosters. 
Wildly optimistic prediction, Superheavy recovery on IFT-4 or IFT-5 (Welp a little early on IFT-4, but still have a shot at 5)

Offline rsdavis9

Re: Fairing reuse
« Reply #2246 on: 06/19/2023 01:54 pm »
These fairings are so durable.
I wonder if they could get one to reenter from orbit. A single person(well maybe 2 or 3 reentry vehicle.
for psn satria
meco 8400km/hr seco 27505km/hr fairing 9100km/hr
So roughly 9 times the energy (27500/9100)^2
So some ablative paint...
How hot does it get inside the fairing?
With ELV best efficiency was the paradigm. The new paradigm is reusable, good enough, and commonality of design.
Same engines. Design once. Same vehicle. Design once. Reusable. Build once.

Offline Nomadd

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Re: Fairing reuse
« Reply #2247 on: 06/19/2023 04:28 pm »
How hot does it get inside the fairing?
I wondered about that. You know people have to be wondering if a person could ride one down.
Those who danced were thought to be quite insane by those who couldn't hear the music.

Offline FutureSpaceTourist

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Re: Fairing reuse
« Reply #2248 on: 06/23/2023 03:54 pm »
New fairing reuse record just set for one fairing half:

https://twitter.com/spacex/status/1672267990241513472

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Fairings deployed. Today's mission marks our first tenth flight of a fairing half

Offline FutureSpaceTourist

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Re: Fairing reuse
« Reply #2249 on: 08/11/2023 05:25 am »
New fairing record:

https://twitter.com/spacex/status/1689869627520864256

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Fairings deployed. Today's mission marks our first 11th flight of a fairing half

Offline FutureSpaceTourist

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Re: Fairing reuse
« Reply #2250 on: 08/30/2023 04:07 pm »
https://twitter.com/sciguyspace/status/1696911323475419316

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So it looks like @TurkeyBeaver dished on some of SpaceX's special sauce.

https://arstechnica.com/space/2023/08/spacexs-vp-of-launch-shares-the-companys-special-algorithm-for-innovation/

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Why did SpaceX give up on “catching” falling fairings? Its VP of launch explains
"You basically had this really awesome algorithm, this crazy automation."

by Eric Berger - Aug 30, 2023 3:29pm GMT


Offline FutureSpaceTourist

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Re: Fairing reuse
« Reply #2251 on: 09/12/2023 06:12 pm »
Really get a sense of scale seeing the fairings being transported like this:

https://twitter.com/julia_bergeron/status/1701670641747812517

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SpaceX transporting the fairing halves recovered from Starlink 6-14 to be refurbished and flown again. Just another routine day on the Space Coast.
@NASASpaceflight 24/7 views:
nsf.live/spacecoast
« Last Edit: 09/12/2023 06:56 pm by FutureSpaceTourist »

Offline FutureSpaceTourist

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Re: Fairing reuse
« Reply #2252 on: 09/13/2023 05:32 am »
Testing fairing recovery yesterday:

https://twitter.com/spaceoffshore/status/1701712375521362319

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How to fish a SpaceX Falcon 9 fairing half ($3 million) from the water 👇

(via nsf.live/spacecoast)

Offline FutureSpaceTourist

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Re: Fairing reuse
« Reply #2253 on: 09/27/2023 03:42 pm »
Not a common occurrence:

https://twitter.com/spaceoffshore/status/1706998191420510416

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JRTI droneship delivered Falcon 9 back to Port Canaveral this morning just before daybreak.

Real story here is only one fairing half recovered :(

Can't even remember the last time SpaceX missed one on the East Coast!

nsf.live/spacecoast

Offline FutureSpaceTourist

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Re: Fairing reuse
« Reply #2254 on: 11/04/2023 06:09 pm »
In August SpaceX said they’d had the first 11th use of a fairing half, now:

https://twitter.com/spacex/status/1720880148197826899

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SpaceX team aboard the recovery vessel Doug in the Atlantic securing a payload fairing half, which has supported 13 missions to-date, after last night's Starlink launch from Florida
« Last Edit: 11/04/2023 06:10 pm by FutureSpaceTourist »

Offline brettly2021

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Re: Fairing reuse
« Reply #2255 on: 12/10/2023 10:40 am »
Looking at fairing re-entry video on  youtube

It seems pretty stable during the hot phase, once it gets to thicker air why dont they 'fly' or 'surf' the fairing to wherever they want? It should be possible to fly the fairing with full aerodynamic control, from those heights you could probably fly it to where-ever you want.
Some thoughts on how to steer the vehicle fairing:
1. first thought was control centre of gravity by having shifting weights that were on rails with rollers controlled by wires that loop around a bldc motor or similar
2. second thought was have some holes in the fairing which you can open/close allowing a stream of air to steer, furhter on that the stream of air through the holes could be directed.
3. final idea is have small flaps that come out once hit the thicker air, similar to starship, evern a small wing could be deployed. Space already have software for winglets and cylinder shape, some mods to that should suffice for fairing with flaps.
some pics to assist with the visualising the ideas:

Offline brettly2021

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Re: Fairing reuse
« Reply #2256 on: 12/10/2023 10:43 am »
For testing drop the fairing from a decent height with one of the ideas above, have a guy with reomte control in helicopter chasing the fairing, and use the remote to steer/fly it, probably some skill required to fly it, then hone the system from there ( I hate the word iterate).

Offline Nomadd

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Re: Fairing reuse
« Reply #2257 on: 12/10/2023 11:29 am »
 Where are the handholds?
Those who danced were thought to be quite insane by those who couldn't hear the music.

Offline FutureSpaceTourist

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Re: Fairing reuse
« Reply #2258 on: 01/13/2024 08:18 am »
From Elon’s SpaceX all-hands on Thursday:

Quote
~$6M IN SAVINGS PER RECOVERY
REFLOWN FAIRINGS MORE THAN 300 TIMES
ATTITUDE-CONTROL THRUSTERS
STEERABLE PARACHUTE

Online wannamoonbase

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Re: Fairing reuse
« Reply #2259 on: 01/13/2024 06:01 pm »
From Elon’s SpaceX all-hands on Thursday:

Quote
~$6M IN SAVINGS PER RECOVERY
REFLOWN FAIRINGS MORE THAN 300 TIMES
ATTITUDE-CONTROL THRUSTERS
STEERABLE PARACHUTE

300 fairing halves at $2.5-3 million per half thats a cool $750-900M

That is not chump change.

Well done SpaceX, well done.
Wildly optimistic prediction, Superheavy recovery on IFT-4 or IFT-5 (Welp a little early on IFT-4, but still have a shot at 5)

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