Author Topic: SpaceX Crew Dragon Launch Live Thread Launch: Wednesday, May 27, 4:33 p.m. ET  (Read 2257 times)

0 Members and 1 Guest are viewing this topic.

Online Elderberry

  • TBR Contributor
  • *****
  • Posts: 24,276
https://www.nasa.gov/mission_pages/launch/countdown101_prt.htm

Countdown 101

Follow along with the countdown! The NASA Launch Blog is the only place online to get latest-breaking launch information directly from Kennedy Space Center in Florida. Live countdown coverage will begin about six hours prior to launch and will conclude about 10 minutes after liftoff, when orbit insertion is complete. Coverage includes frequent updates on the countdown status and videos of key events.

T-3 hours and holding

This built-in hold typically lasts two hours.

•   Perform inertial measurement unit preflight calibration
•   Align Merritt Island Launch Area (MILA) tracking antennas

T-3 hours and counting

•   Crew departs for the launch pad and, upon arriving at the pad, begins entry into the orbiter via the White Room
•   Complete close-out preparations in the launch pad's White Room
•   Check cockpit switch configurations
•   Astronauts perform air-to-ground voice checks with Launch Control (Kennedy Space Center) and Mission Control (Johnson Space Center)
•   Close the orbiter's crew hatch and check for leaks
•   Complete White Room close-out
•   Close-out crew retreats to fallback area

T-20 minutes and holding

This built-in hold typically lasts 10 minutes.

•   Shuttle Test Director conducts final launch team briefings
•   Complete inertial measurement unit preflight alignments

T-20 minutes and counting

•   Transition the orbiter's onboard computers to launch configuration
•   Start fuel cell thermal conditioning
•   Close orbiter cabin vent valves
•   Transition backup flight system to launch configuration

T-9 minutes and holding

This is the final built-in hold, and varies in length depending on the mission.

•   The Launch Director, Mission Management Team and Shuttle Test Director poll their teams for a go/no go for launch
Image to right: A fish-eye view captures Space Shuttle Endeavour just after liftoff on mission STS-111. Credit: NASA

T-9 minutes and counting

•   Start automatic Ground Launch Sequencer
•   Retract Orbiter Access Arm (T-7 minutes, 30 seconds)
•   Start Auxiliary Power Units (T-5 minutes, 0 seconds)
•   Arm Solid Rocket Booster range safety safe and arm devices (T-5 minutes, 0 seconds)
•   Start orbiter aerosurface profile test, followed by main engine gimbal profile test (T-3 minutes, 55 seconds)
•   Retract Gaseous Oxygen Vent Arm, or "beanie cap"

(T-2 minutes, 55 seconds)

•   Crew members close and lock their visors
(T-2 minutes, 0 seconds)
•   Orbiter transfers from ground to internal power
(T-50 seconds)
•   Ground Launch Sequencer is go for auto sequence start (T-31 seconds)
•   Activate launch pad sound suppression system
(T-16 seconds)
•   Activate main engine hydrogen burnoff system
(T-10 seconds)
•   Main engine start (T-6.6 seconds)
T-0
•   Solid Rocket Booster ignition and liftoff!


Offline kevindavis007

  • Hero Member
  • *****
  • Posts: 12,380
  • Gender: Male
Am I the only one who is nervous??
Join The Reagan Caucus: https://reagancaucus.org/

Online Cyber Liberty

  • Coffee! Donuts! Kittens!
  • Administrator
  • ******
  • Posts: 79,867
  • Gender: Male
  • 🌵🌵🌵
For unvaccinated, we are looking at a winter of severe illness and death — if you’re unvaccinated — for themselves, their families, and the hospitals they’ll soon overwhelm. Sloe Joe Biteme 12/16
I will NOT comply.
 
Castillo del Cyber Autonomous Zone ~~~~~>                          :dontfeed:

Offline catfish1957

  • Laken Riley.... Say her Name. And to every past and future democrat voter- Her blood is on your hands too!!!
  • Political Researcher
  • *****
  • Posts: 31,354
  • Gender: Male
Am I the only one who is nervous??

Same here.  Multi-tasking as best I can.  In the past few minutes Astronaunts have had  a visit  with Musk and NASA Admin. 
I display the Confederate Battle Flag in honor of my great great great grandfathers who spilled blood at Wilson's Creek and Shiloh.  5 others served in the WBTS with honor too.

Online Elderberry

  • TBR Contributor
  • *****
  • Posts: 24,276
https://www.spacex.com/launches/

The instantaneous launch window opens at 4:33 p.m. EDT, or 20:33 UTC, with backup instantaneous launch opportunities available on Saturday, May 30 at 3:22 p.m. EDT, or 19:22 UTC, and on Sunday, May 31 at 3:00 p.m. EDT, or 19:00 UTC. Tune in here to watch the launch webcast. Coverage will begin about 4 hours before liftoff.

Countdown

Min/Sec   Event

- 45:00   SpaceX Launch Director verifies go for propellant load
- 42:00   Crew access arm retracts
- 37:00   Dragon’s launch escape system is armed
- 35:00   RP-1 (rocket grade kerosene) loading begins
- 35:00   1st stage LOX (liquid oxygen) loading begins
- 16:00   2nd stage LOX loading begins
- 07:00   Falcon 9 begins engine chill prior to launch
- 05:00   Dragon transitions to internal power
- 01:00   Command flight to begin final prelaunch checks
- 01:00   Propellant tank pressurization to flight pressure begins
- 00:45   SpaceX Launch Director verifies go for launch
- 00:03   Engine controller commands engine ignition sequence to start
- 00:00   Falcon 9 liftoff



Offline mystery-ak

  • Owner
  • Administrator
  • ******
  • Posts: 381,821
  • Gender: Female
  • Let's Go Brandon!
Saying goodbye to their families.. 8888crybaby
Proud Supporter of Tunnel to Towers
Support the USO
Democrat Party...the Party of Infanticide

“Therefore do not worry about tomorrow, for tomorrow will worry about itself. Each day has enough trouble of its own.”
-Matthew 6:34

Offline catfish1957

  • Laken Riley.... Say her Name. And to every past and future democrat voter- Her blood is on your hands too!!!
  • Political Researcher
  • *****
  • Posts: 31,354
  • Gender: Male

lol...NASA TV called the photographing press paparazzi.
« Last Edit: May 27, 2020, 05:40:46 pm by catfish1957 »
I display the Confederate Battle Flag in honor of my great great great grandfathers who spilled blood at Wilson's Creek and Shiloh.  5 others served in the WBTS with honor too.

Online Elderberry

  • TBR Contributor
  • *****
  • Posts: 24,276
Air Force One flying over to land.

Online Elderberry

  • TBR Contributor
  • *****
  • Posts: 24,276
Crew Access Arm Retracted

Online Elderberry

  • TBR Contributor
  • *****
  • Posts: 24,276

Online Elderberry

  • TBR Contributor
  • *****
  • Posts: 24,276
Go to fuel.

Launch escape system armed.

T-31:00

Offline mystery-ak

  • Owner
  • Administrator
  • ******
  • Posts: 381,821
  • Gender: Female
  • Let's Go Brandon!
30 mins and counting
Proud Supporter of Tunnel to Towers
Support the USO
Democrat Party...the Party of Infanticide

“Therefore do not worry about tomorrow, for tomorrow will worry about itself. Each day has enough trouble of its own.”
-Matthew 6:34

Offline mystery-ak

  • Owner
  • Administrator
  • ******
  • Posts: 381,821
  • Gender: Female
  • Let's Go Brandon!
Proud Supporter of Tunnel to Towers
Support the USO
Democrat Party...the Party of Infanticide

“Therefore do not worry about tomorrow, for tomorrow will worry about itself. Each day has enough trouble of its own.”
-Matthew 6:34

Online Elderberry

  • TBR Contributor
  • *****
  • Posts: 24,276
Weather report in less than 2 minutes.

Online Elderberry

  • TBR Contributor
  • *****
  • Posts: 24,276
Standing by for final go/no-go decision

Online Elderberry

  • TBR Contributor
  • *****
  • Posts: 24,276
No-Go   Launch Abort Has Started

Offline catfish1957

  • Laken Riley.... Say her Name. And to every past and future democrat voter- Her blood is on your hands too!!!
  • Political Researcher
  • *****
  • Posts: 31,354
  • Gender: Male
That's a scrub.
I display the Confederate Battle Flag in honor of my great great great grandfathers who spilled blood at Wilson's Creek and Shiloh.  5 others served in the WBTS with honor too.

Offline kevindavis007

  • Hero Member
  • *****
  • Posts: 12,380
  • Gender: Male
Damn you mother nature!
Join The Reagan Caucus: https://reagancaucus.org/

Offline mystery-ak

  • Owner
  • Administrator
  • ******
  • Posts: 381,821
  • Gender: Female
  • Let's Go Brandon!
damnit!
Proud Supporter of Tunnel to Towers
Support the USO
Democrat Party...the Party of Infanticide

“Therefore do not worry about tomorrow, for tomorrow will worry about itself. Each day has enough trouble of its own.”
-Matthew 6:34

Offline Axeslinger

  • Hero Member
  • *****
  • Posts: 1,538
This ^
"The two enemies of the people are criminals and government, so let us tie the second down with the chains of the Constitution so the second will not become the legalized version of the first." - Thomas Jefferson

Online Gefn

  • "And though she be but little she is fierce"-Shakespeare
  • Cat Mod
  • *****
  • Posts: 18,177
  • Gender: Female
  • Quos Deus Vult Perdere Prius Dementat
 888cryingkitty 888cryingkitty


But at least it wasn’t a repeat of Apollo 1. I think that is everyone’s worst nightmare

RIP
Gus Grissom
Edward White II
Rodger Chaffee

 :patriot:
G-d bless America. G-d bless us all                                 

Adopt a puppy or kitty from your local shelter
Or an older dog or cat. They're true love❤️

Offline truth_seeker

  • Hero Member
  • *****
  • Posts: 28,386
  • Gender: Male
  • Common Sense Results Oriented Conservative Veteran
Plenty disappointing, but a lot better that human life loss.

Next launch window, Saturday--right?
"God must love the common man, he made so many of them.�  Abe Lincoln

Offline mystery-ak

  • Owner
  • Administrator
  • ******
  • Posts: 381,821
  • Gender: Female
  • Let's Go Brandon!
Plenty disappointing, but a lot better that human life loss.

Next launch window, Saturday--right?

Yes...3:22 Sat
Proud Supporter of Tunnel to Towers
Support the USO
Democrat Party...the Party of Infanticide

“Therefore do not worry about tomorrow, for tomorrow will worry about itself. Each day has enough trouble of its own.”
-Matthew 6:34

Offline catfish1957

  • Laken Riley.... Say her Name. And to every past and future democrat voter- Her blood is on your hands too!!!
  • Political Researcher
  • *****
  • Posts: 31,354
  • Gender: Male
Yes...3:22 Sat

I am not a meteorologist, but if Cumulus cloud height formation is a mission scrub parameter, why are the scheduling these things during maximum heating and when the clouds are their loftiest.
I display the Confederate Battle Flag in honor of my great great great grandfathers who spilled blood at Wilson's Creek and Shiloh.  5 others served in the WBTS with honor too.

Online Elderberry

  • TBR Contributor
  • *****
  • Posts: 24,276
Donald J. Trump
@realDonaldTrump
·
47m
Thank you to @NASA
 and @SpaceX
 for their hard work and leadership. Look forward to being back with you on Saturday!