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LIVE: IRNSS-1I - PSLV-XL (C41) - April 11, 2018 (22:34 UTC)
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Topic: LIVE: IRNSS-1I - PSLV-XL (C41) - April 11, 2018 (22:34 UTC) (Read 41131 times)
vineethgk
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India
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Re: LIVE: IRNSS-1I - PSLV-XL (C41) - April 11, 2018 (22:34 UTC)
«
Reply #120 on:
04/11/2018 10:38 pm »
Aaaargh... The camera man zoomed in on people's faces in MCC when they had the airlit strapon separation and PS1 separation events..
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northenarc
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ZachS09
Space Savant
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Roanoke, TX
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Re: LIVE: IRNSS-1I - PSLV-XL (C41) - April 11, 2018 (22:34 UTC)
«
Reply #121 on:
04/11/2018 10:39 pm »
We have SECO, second stage separation, and third stage ignition. Third stage will burn for 112 seconds.
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Chris Bergin
,
robertross
and
deruch
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Liftoff for St. Jude's! Go Dragon, Go Falcon, Godspeed Inspiration4!
Steven Pietrobon
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Adelaide, Australia
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Re: LIVE: IRNSS-1I - PSLV-XL (C41) - April 11, 2018 (22:34 UTC)
«
Reply #122 on:
04/11/2018 10:39 pm »
Fairing separation.
T+4 minutes.
Second stage separation. Third stage ignition.
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deruch
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Akin's Laws of Spacecraft Design #1: Engineering is done with numbers. Analysis without numbers is only an opinion.
ZachS09
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Roanoke, TX
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Re: LIVE: IRNSS-1I - PSLV-XL (C41) - April 11, 2018 (22:34 UTC)
«
Reply #123 on:
04/11/2018 10:39 pm »
T+5 minutes. Third stage propulsion healthy; trajectory also is nominal.
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Liftoff for St. Jude's! Go Dragon, Go Falcon, Godspeed Inspiration4!
Steven Pietrobon
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Adelaide, Australia
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Re: LIVE: IRNSS-1I - PSLV-XL (C41) - April 11, 2018 (22:34 UTC)
«
Reply #124 on:
04/11/2018 10:40 pm »
T+5 minutes. Third stage performance normal.
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Chris Bergin
likes this
Akin's Laws of Spacecraft Design #1: Engineering is done with numbers. Analysis without numbers is only an opinion.
ZachS09
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Re: LIVE: IRNSS-1I - PSLV-XL (C41) - April 11, 2018 (22:34 UTC)
«
Reply #125 on:
04/11/2018 10:40 pm »
Nominal flight so far.
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Liftoff for St. Jude's! Go Dragon, Go Falcon, Godspeed Inspiration4!
ZachS09
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Re: LIVE: IRNSS-1I - PSLV-XL (C41) - April 11, 2018 (22:34 UTC)
«
Reply #126 on:
04/11/2018 10:40 pm »
Third stage has now burnt out. Between the burnout and third stage separation, there will be a 222-second coast phase. Ten seconds after third stage separation, the two fourth stage engines will start up.
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Liftoff for St. Jude's! Go Dragon, Go Falcon, Godspeed Inspiration4!
Steven Pietrobon
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Posts: 39218
Adelaide, Australia
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Re: LIVE: IRNSS-1I - PSLV-XL (C41) - April 11, 2018 (22:34 UTC)
«
Reply #127 on:
04/11/2018 10:41 pm »
T+6 minutes.
Third stage cutoff.
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deruch
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robertross
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Akin's Laws of Spacecraft Design #1: Engineering is done with numbers. Analysis without numbers is only an opinion.
ZachS09
Space Savant
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Roanoke, TX
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Re: LIVE: IRNSS-1I - PSLV-XL (C41) - April 11, 2018 (22:34 UTC)
«
Reply #128 on:
04/11/2018 10:41 pm »
Coast phase is as expected.
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Liftoff for St. Jude's! Go Dragon, Go Falcon, Godspeed Inspiration4!
Steven Pietrobon
Member
Senior Member
Posts: 39218
Adelaide, Australia
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Likes Given: 8196
Re: LIVE: IRNSS-1I - PSLV-XL (C41) - April 11, 2018 (22:34 UTC)
«
Reply #129 on:
04/11/2018 10:41 pm »
T+7 minutes.
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Akin's Laws of Spacecraft Design #1: Engineering is done with numbers. Analysis without numbers is only an opinion.
ZachS09
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Roanoke, TX
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Re: LIVE: IRNSS-1I - PSLV-XL (C41) - April 11, 2018 (22:34 UTC)
«
Reply #130 on:
04/11/2018 10:42 pm »
Very close to preflight predictions.
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deruch
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Liftoff for St. Jude's! Go Dragon, Go Falcon, Godspeed Inspiration4!
Steven Pietrobon
Member
Senior Member
Posts: 39218
Adelaide, Australia
Liked: 32738
Likes Given: 8196
Re: LIVE: IRNSS-1I - PSLV-XL (C41) - April 11, 2018 (22:34 UTC)
«
Reply #131 on:
04/11/2018 10:43 pm »
T+8 minutes. Still coasting.
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Akin's Laws of Spacecraft Design #1: Engineering is done with numbers. Analysis without numbers is only an opinion.
ZachS09
Space Savant
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Posts: 8407
Roanoke, TX
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Re: LIVE: IRNSS-1I - PSLV-XL (C41) - April 11, 2018 (22:34 UTC)
«
Reply #132 on:
04/11/2018 10:43 pm »
According to the onboard rocketcam, PSLV has seen its first sunrise.
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Liftoff for St. Jude's! Go Dragon, Go Falcon, Godspeed Inspiration4!
Steven Pietrobon
Member
Senior Member
Posts: 39218
Adelaide, Australia
Liked: 32738
Likes Given: 8196
Re: LIVE: IRNSS-1I - PSLV-XL (C41) - April 11, 2018 (22:34 UTC)
«
Reply #133 on:
04/11/2018 10:44 pm »
T+9 minutes.
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Akin's Laws of Spacecraft Design #1: Engineering is done with numbers. Analysis without numbers is only an opinion.
ZachS09
Space Savant
Senior Member
Posts: 8407
Roanoke, TX
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Likes Given: 2060
Re: LIVE: IRNSS-1I - PSLV-XL (C41) - April 11, 2018 (22:34 UTC)
«
Reply #134 on:
04/11/2018 10:44 pm »
T+10 minutes. Third stage has separated from the fourth stage. Standing by for engine start.
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Liftoff for St. Jude's! Go Dragon, Go Falcon, Godspeed Inspiration4!
ZachS09
Space Savant
Senior Member
Posts: 8407
Roanoke, TX
Liked: 2345
Likes Given: 2060
Re: LIVE: IRNSS-1I - PSLV-XL (C41) - April 11, 2018 (22:34 UTC)
«
Reply #135 on:
04/11/2018 10:44 pm »
Engine start has been confirmed. This single burn of the fourth stage will last 514 seconds until T+1123 seconds.
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northenarc
and
deruch
like this
Liftoff for St. Jude's! Go Dragon, Go Falcon, Godspeed Inspiration4!
Steven Pietrobon
Member
Senior Member
Posts: 39218
Adelaide, Australia
Liked: 32738
Likes Given: 8196
Re: LIVE: IRNSS-1I - PSLV-XL (C41) - April 11, 2018 (22:34 UTC)
«
Reply #136 on:
04/11/2018 10:45 pm »
T+10 minutes. Third stage separation.
Fourth stage ignition.
Logged
deruch
and
northenarc
like this
Akin's Laws of Spacecraft Design #1: Engineering is done with numbers. Analysis without numbers is only an opinion.
worldtimedate
Full Member
Posts: 444
Liked: 40
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Re: LIVE: IRNSS-1I - PSLV-XL (C41) - April 11, 2018 (22:34 UTC)
«
Reply #137 on:
04/11/2018 10:45 pm »
Third stage has seprated at 597 secnods. Fourth stage has ignited at 600 seconds. Fourth Stage performance is normal.
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ZachS09
Space Savant
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Posts: 8407
Roanoke, TX
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Re: LIVE: IRNSS-1I - PSLV-XL (C41) - April 11, 2018 (22:34 UTC)
«
Reply #138 on:
04/11/2018 10:45 pm »
Fourth stage propulsion healthy.
PSLV is orbital.
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Liftoff for St. Jude's! Go Dragon, Go Falcon, Godspeed Inspiration4!
ZachS09
Space Savant
Senior Member
Posts: 8407
Roanoke, TX
Liked: 2345
Likes Given: 2060
Re: LIVE: IRNSS-1I - PSLV-XL (C41) - April 11, 2018 (22:34 UTC)
«
Reply #139 on:
04/11/2018 10:46 pm »
T+11 and a half minutes.
Logged
Liftoff for St. Jude's! Go Dragon, Go Falcon, Godspeed Inspiration4!
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LIVE: IRNSS-1I - PSLV-XL (C41) - April 11, 2018 (22:34 UTC)
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