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ESA Launchers - Ariane, Soyuz at CSG, Vega
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Ariane 5 VA244 - Galileo-FOC FM019, 20, 21&22 - 25 July 2018
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Topic: Ariane 5 VA244 - Galileo-FOC FM019, 20, 21&22 - 25 July 2018 (Read 35532 times)
ZachS09
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Re: Ariane 5 VA244 - Galileo-FOC FM019, 20, 21&22 - 25 July 2018
«
Reply #60 on:
07/25/2018 11:22 am »
T-3 minutes.
Typically, for Ariane 5ES launches, the cryogenic swing-arms are not necessary since the second stage burns a mixture of monomethylhydrazine and dinitrogen tetroxide.
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ZachS09
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Re: Ariane 5 VA244 - Galileo-FOC FM019, 20, 21&22 - 25 July 2018
«
Reply #61 on:
07/25/2018 11:23 am »
T-2 minutes. It'll take 3 hours, 55 minutes, and 57.7 seconds from liftoff to the deployment of the last two Galileo satellites.
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ZachS09
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Re: Ariane 5 VA244 - Galileo-FOC FM019, 20, 21&22 - 25 July 2018
«
Reply #62 on:
07/25/2018 11:24 am »
T-1 minute. As the DDO announces the last minute of the countdown, the spectators in the Jupiter Control Room have just walked outside to view the launch in person.
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ZachS09
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Re: Ariane 5 VA244 - Galileo-FOC FM019, 20, 21&22 - 25 July 2018
«
Reply #63 on:
07/25/2018 11:25 am »
T-30 seconds. Go Ariane, Go Galileo.
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ZachS09
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Re: Ariane 5 VA244 - Galileo-FOC FM019, 20, 21&22 - 25 July 2018
«
Reply #64 on:
07/25/2018 11:25 am »
T-15. Hydrogen burn igniters are being lit under the main engine.
10, 9, 8, 7, main engine start, 5, 4, 3, 2, 1, and we have liftoff. Liftoff of the last Ariane 5ES rocket carrying the Galileo-FOC F8 mission into medium Earth orbit for the European Space Agency.
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ZachS09
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Re: Ariane 5 VA244 - Galileo-FOC FM019, 20, 21&22 - 25 July 2018
«
Reply #65 on:
07/25/2018 11:25 am »
Pitch and roll programs have commenced and propulsion looks good in the main engine and SRBs.
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ZachS09
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Re: Ariane 5 VA244 - Galileo-FOC FM019, 20, 21&22 - 25 July 2018
«
Reply #66 on:
07/25/2018 11:26 am »
T+50 seconds. Ariane 5 passing through Mach 1 and will soon experience maximum dynamic pressure.
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Chris Bergin
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Re: Ariane 5 VA244 - Galileo-FOC FM019, 20, 21&22 - 25 July 2018
«
Reply #67 on:
07/25/2018 11:26 am »
LAUNCH!
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ZachS09
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Re: Ariane 5 VA244 - Galileo-FOC FM019, 20, 21&22 - 25 July 2018
«
Reply #68 on:
07/25/2018 11:27 am »
Screencap of initial launch.
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fthomassy
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ZachS09
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Re: Ariane 5 VA244 - Galileo-FOC FM019, 20, 21&22 - 25 July 2018
«
Reply #69 on:
07/25/2018 11:27 am »
At T+129.4 seconds, the SRBs will burn out and they'll be jettisoned about two seconds later.
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Liftoff for St. Jude's! Go Dragon, Go Falcon, Godspeed Inspiration4!
ZachS09
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Re: Ariane 5 VA244 - Galileo-FOC FM019, 20, 21&22 - 25 July 2018
«
Reply #70 on:
07/25/2018 11:27 am »
T+2 minutes. SRBs are now burning out as planned.
And both SRBs have jettisoned. The main engine continuing to propel the Galileo satellites out of the atmosphere.
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Liftoff for St. Jude's! Go Dragon, Go Falcon, Godspeed Inspiration4!
ZachS09
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Re: Ariane 5 VA244 - Galileo-FOC FM019, 20, 21&22 - 25 July 2018
«
Reply #71 on:
07/25/2018 11:28 am »
Coming up on payload fairing jettison at T+216.7 seconds.
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Chris Bergin
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Re: Ariane 5 VA244 - Galileo-FOC FM019, 20, 21&22 - 25 July 2018
«
Reply #72 on:
07/25/2018 11:29 am »
Sorry for the lack of screenshots. I'll add some.
Booster sep.
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ZachS09
Space Savant
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Re: Ariane 5 VA244 - Galileo-FOC FM019, 20, 21&22 - 25 July 2018
«
Reply #73 on:
07/25/2018 11:29 am »
Still can see the launch vehicle from the naked eye without the use of telemetry.
Payload fairing has been jettisoned, exposing the four Galileo satellites to space.
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Liftoff for St. Jude's! Go Dragon, Go Falcon, Godspeed Inspiration4!
ZachS09
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Re: Ariane 5 VA244 - Galileo-FOC FM019, 20, 21&22 - 25 July 2018
«
Reply #74 on:
07/25/2018 11:30 am »
T+4 minutes, 50 seconds.
Altitude 129 kilometers, downrange 450 kilometers, velocity 3.4 kilometers a second.
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Liftoff for St. Jude's! Go Dragon, Go Falcon, Godspeed Inspiration4!
ZachS09
Space Savant
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Re: Ariane 5 VA244 - Galileo-FOC FM019, 20, 21&22 - 25 July 2018
«
Reply #75 on:
07/25/2018 11:30 am »
At the time of fairing sep, Ariane 5 weighed about 18% of its liftoff mass, which was 759.1 tons.
«
Last Edit: 07/25/2018 11:30 am by ZachS09
»
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eeergo
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Re: Ariane 5 VA244 - Galileo-FOC FM019, 20, 21&22 - 25 July 2018
«
Reply #76 on:
07/25/2018 11:30 am »
Quote from: Chris Bergin on 07/25/2018 11:26 am
LAUNCH!
Lots of birds at the pad at liftoff, some traversing the actual exhaust column :O
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-DaviD-
ZachS09
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Posts: 8406
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Re: Ariane 5 VA244 - Galileo-FOC FM019, 20, 21&22 - 25 July 2018
«
Reply #77 on:
07/25/2018 11:31 am »
T+6 minutes.
Altitude 138 kilometers, downrange 700 kilometers, velocity 4.2 kilometers a second.
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Liftoff for St. Jude's! Go Dragon, Go Falcon, Godspeed Inspiration4!
ZachS09
Space Savant
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Roanoke, TX
Liked: 2344
Likes Given: 2060
Re: Ariane 5 VA244 - Galileo-FOC FM019, 20, 21&22 - 25 July 2018
«
Reply #78 on:
07/25/2018 11:32 am »
Performance is still nominal in the first stage engine.
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Liftoff for St. Jude's! Go Dragon, Go Falcon, Godspeed Inspiration4!
ZachS09
Space Savant
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Posts: 8406
Roanoke, TX
Liked: 2344
Likes Given: 2060
Re: Ariane 5 VA244 - Galileo-FOC FM019, 20, 21&22 - 25 July 2018
«
Reply #79 on:
07/25/2018 11:32 am »
T+7 minutes. Next major event will be Main Engine Cut-Off at T+528.7 seconds.
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Liftoff for St. Jude's! Go Dragon, Go Falcon, Godspeed Inspiration4!
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ESA Launchers - Ariane, Soyuz at CSG, Vega
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Ariane 5 VA244 - Galileo-FOC FM019, 20, 21&22 - 25 July 2018
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