Author Topic: FAILURE: Relativity Terran 1 Test Flight : CCSFS SLC-16 : 23 Mar 2023 03:25 UTC (Read 177673 times)

Steven Pietrobon · « **Reply #400 on:** 03/23/2023 01:53 am »

Will hold clock at T-10 minutes to evaluate upper level winds from next balloon.

Steven Pietrobon · « **Reply #401 on:** 03/23/2023 01:56 am »

T-10 minutes and holding. New T-0 of 23:25 local (03:25 UTC).

Steven Pietrobon · « **Reply #402 on:** 03/23/2023 01:58 am »

Engines use powder bed fed (PBF) 3D printing. Tanks use wire added manufacturing (WAM).

Steven Pietrobon · « **Reply #403 on:** 03/23/2023 02:00 am »

Confirmation of new T-0 of 03:25 UTC.

Steven Pietrobon · « **Reply #404 on:** 03/23/2023 02:01 am »

Clock will pick up the count at T-16 minutes, about 8 minutes from now.

Steven Pietrobon · « **Reply #405 on:** 03/23/2023 02:09 am »

T-16 minutes and counting.

Performing poll.

Steven Pietrobon · « **Reply #406 on:** 03/23/2023 02:10 am »

Go for launch.

Giving hold instructions.

Steven Pietrobon · « **Reply #407 on:** 03/23/2023 02:14 am »

Water cooled flame deflector.

Steven Pietrobon · « **Reply #408 on:** 03/23/2023 02:15 am »

T-10 minutes. Upper level winds are go.

Autosequence has started.

Steven Pietrobon · « **Reply #409 on:** 03/23/2023 02:17 am »

T-8 minutes. Pressing tanks with helium.

Steven Pietrobon · « **Reply #410 on:** 03/23/2023 02:20 am »

T-5 minutes. Launch timeline.

Steven Pietrobon · « **Reply #411 on:** 03/23/2023 02:21 am »

Uses GO2 and GH2 for igniters.

T-4 minutes. Second stage is on internal power.

Steven Pietrobon · « **Reply #412 on:** 03/23/2023 02:22 am »

T-3 minutes. First stage gimbal checks. First stage on internal power.

Steven Pietrobon · « **Reply #413 on:** 03/23/2023 02:23 am »

T-2 minutes. Strongback retracting.

Steven Pietrobon · « **Reply #414 on:** 03/23/2023 02:24 am »

T-1 minute. Range is green.

LD go for launch.

Steven Pietrobon · « **Reply #415 on:** 03/23/2023 02:25 am »

Liftoff!

Steven Pietrobon · « **Reply #416 on:** 03/23/2023 02:26 am »

T+1 minute.

Steven Pietrobon · « **Reply #417 on:** 03/23/2023 02:27 am »

MaxQ!

T+2 minutes.

Steven Pietrobon · « **Reply #418 on:** 03/23/2023 02:29 am »

Cutoff.

Ignition.

T+3 minutes.

LouScheffer · « **Reply #419 on:** 03/23/2023 02:29 am »

Second stage engine is hunting or some other oscillation in pointing.