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General Discussion => Q&A Section => Topic started by: caglayankutay on 03/10/2022 02:24 pm

Title: Atlas V fairing protrusion
Post by: caglayankutay on 03/10/2022 02:24 pm
At launch, what is this pipeline coming out of the fairing of the Atlas V for?
Title: Re: Atlas V - Fairing
Post by: russianhalo117 on 03/10/2022 02:29 pm
Quote from: caglayankutay on 03/10/2022 02:24 pm
At launch, what is this pipeline coming out of the fairing of the Atlas V for?

Jim and everyone with the knowledge take another drink. It has come up again.


Centaur H2 purge line. This part remains attached to the PLF.
Title: Re: Atlas V - Fairing
Post by: lrk on 03/10/2022 02:52 pm
That's actually the gaseous H2 vent from the centaur, which is enclosed within the fairing on the 5[0-5]1 variants variants. 
Title: Re: Atlas V - Fairing
Post by: ulm_atms on 03/10/2022 05:00 pm
Quote from: russianhalo117 on 03/10/2022 02:29 pm
Quote from: caglayankutay on 03/10/2022 02:24 pm
At launch, what is this pipeline coming out of the fairing of the Atlas V for?

Jim and everyone with the knowledge take another drink. It has come up again.


Centaur H2 purge line. This part remains attached to the PLF.
If Jim took another drink every time certain questions are asked...man...can he hold his liquor well.  ;D
Title: Re: Atlas V - Fairing
Post by: caglayankutay on 03/10/2022 06:37 pm
Quote from: russianhalo117 on 03/10/2022 02:29 pm
Quote from: caglayankutay on 03/10/2022 02:24 pm
At launch, what is this pipeline coming out of the fairing of the Atlas V for?

Jim and everyone with the knowledge take another drink. It has come up again.


Centaur H2 purge line. This part remains attached to the PLF.

Thanks you guys <3
Title: Re: Atlas V - Fairing
Post by: caglayankutay on 03/10/2022 06:44 pm
Quote from: russianhalo117 on 03/10/2022 02:29 pm
Quote from: caglayankutay on 03/10/2022 02:24 pm
At launch, what is this pipeline coming out of the fairing of the Atlas V for?

Jim and everyone with the knowledge take another drink. It has come up again.


Centaur H2 purge line. This part remains attached to the PLF.

Well, why don't we have an oxygen purge line?
Title: Re: Atlas V - Fairing
Post by: Jim on 03/10/2022 06:48 pm
Quote from: caglayankutay on 03/10/2022 06:44 pm
Quote from: russianhalo117 on 03/10/2022 02:29 pm
Quote from: caglayankutay on 03/10/2022 02:24 pm
At launch, what is this pipeline coming out of the fairing of the Atlas V for?

Jim and everyone with the knowledge take another drink. It has come up again.


Centaur H2 purge line. This part remains attached to the PLF.

Well, why don't we have an oxygen purge line?

It goes directly overboard.  It is the source of vapor coming from the vehicle prelaunch.   It isn't flammable so there is no need to duct it away or keep it away from the sides of the vehicle. Photo is of a WDR