[AR] Re: SN-10 launch attempt imminent?

  • From: J Farmer <jfarmer@xxxxxxxxxxxxx>
  • To: arocket@xxxxxxxxxxxxx
  • Date: Wed, 3 Mar 2021 22:31:33 -0500

It was sitting at a tilt after landing.  Apparently the landing gear has been a concern.  My supposition was that one or more didn't extend or lock on extension.

My first thought after the explosion was that the landing gear failure caused a slow methane leak. That seemed to be born out by the extended hose down of the vehicle by the ground crew.

John


On 3/3/2021 7:38 PM, Henry Vanderbilt wrote:

Yup, blowed up real good!  Vid of the post-landing explosion here: https://www.youtube.com/watch?v=HECTypGUfQE

I think we can say with certainty that some quantity of methane ignited. Apparently under/inside the base of the vehicle. Beyond that, insufficient data.  Scheduled venting or a flight-damage leak?  No data.

Henry

On 3/3/2021 4:39 PM, Brian Feeney wrote:
Oops! Actually in several pieces now.

Maybe Liquid Methane pooling under the vehicle??

Cheers
Brian



On Wed, Mar 3, 2021 at 6:26 PM Henry Vanderbilt <hvanderbilt@xxxxxxxxxxxxxx <mailto:hvanderbilt@xxxxxxxxxxxxxx>> wrote:

    And she's down, in one piece.  Lit 3 for the final rotation, shut
    two down and landed on one.  Slight visible bounce visible at
    touchdown, fwiw.  Congrats to everyone at SpaceX!

    Henry

    On 3/3/2021 4:12 PM, Nels Anderson wrote:
    Now chilling engines... T-3:00??

    https://www.youtube.com/watch?v=sTA0GTgFn5E&feature=emb_rel_err  ;
<https://www.youtube.com/watch?v=sTA0GTgFn5E&feature=emb_rel_err>

    https://www.youtube.com/watch?v=XOQkk3ojNfM  ;
<https://www.youtube.com/watch?v=XOQkk3ojNfM>




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