[AR] Re: SpaceX iced TEA
- From: James Bowery <jabowery@xxxxxxxxx>
- To: arocket@xxxxxxxxxxxxx
- Date: Fri, 22 Nov 2013 14:40:25 -0600
Well, at least it wasn't a frozen lox
valve<https://groups.google.com/d/msg/sci.space/Cje3AmT5DUA/eqjPoa6Nx6sJ>
.
On Fri, Nov 22, 2013 at 1:05 PM, Ed Kelleher <Pres@xxxxxxxxxxxxxxxxxxxxx>wrote:
> AW&ST and SpaceNews are reporting that SpaceX says their 2nd Stage Falcon
> 9 reignition problem was due to frozen ignitor fluid lines.
>
> TEA freezes at 227K and TEB even colder than that, 180K.
>
> Has TEA/TEB ignition been used before on 2nd Stage? Seems most upper
> stages are hypergolic, or augmented spark type ignition.
> Apparently it hasn't been used much on American launchers.
>
> Ed Kelleher
>
>
>
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