Author Topic: LIVE: Delta II 7920-10C - JPSS-1 - November 18, 2017  (Read 114969 times)

Offline Steven Pietrobon

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Re: LIVE: Delta II 7920-10C - JPSS-1 - November 18, 2017
« Reply #280 on: 11/18/2017 08:44 am »
T-4 minutes and counting.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline Steven Pietrobon

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Re: LIVE: Delta II 7920-10C - JPSS-1 - November 18, 2017
« Reply #281 on: 11/18/2017 08:46 am »
T-3 minutes. Arming systems.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline Steven Pietrobon

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Re: LIVE: Delta II 7920-10C - JPSS-1 - November 18, 2017
« Reply #282 on: 11/18/2017 08:46 am »
T-2 minutes. Pressurising tanks.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline Steven Pietrobon

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Re: LIVE: Delta II 7920-10C - JPSS-1 - November 18, 2017
« Reply #283 on: 11/18/2017 08:47 am »
T-1 minute. Range is green.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline Steven Pietrobon

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Re: LIVE: Delta II 7920-10C - JPSS-1 - November 18, 2017
« Reply #284 on: 11/18/2017 08:48 am »
Liftoff!
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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Re: LIVE: Delta II 7920-10C - JPSS-1 - November 18, 2017
« Reply #285 on: 11/18/2017 08:48 am »
LAUNCH!!

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Offline Steven Pietrobon

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Re: LIVE: Delta II 7920-10C - JPSS-1 - November 18, 2017
« Reply #286 on: 11/18/2017 08:50 am »
T+1 minute. Burnout of first 6 solids.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Online FutureSpaceTourist

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Re: LIVE: Delta II 7920-10C - JPSS-1 - November 18, 2017
« Reply #287 on: 11/18/2017 08:50 am »

Online Chris Bergin

Re: LIVE: Delta II 7920-10C - JPSS-1 - November 18, 2017
« Reply #288 on: 11/18/2017 08:50 am »
Solids jettison.
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Offline Steven Pietrobon

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Re: LIVE: Delta II 7920-10C - JPSS-1 - November 18, 2017
« Reply #289 on: 11/18/2017 08:51 am »
T+2 minutes. Burnout and separation of 3 airlit solids.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline Steven Pietrobon

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Re: LIVE: Delta II 7920-10C - JPSS-1 - November 18, 2017
« Reply #290 on: 11/18/2017 08:52 am »
T+3 minutes.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline Steven Pietrobon

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Re: LIVE: Delta II 7920-10C - JPSS-1 - November 18, 2017
« Reply #291 on: 11/18/2017 08:52 am »
T+4 minutes.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline Steven Pietrobon

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Re: LIVE: Delta II 7920-10C - JPSS-1 - November 18, 2017
« Reply #292 on: 11/18/2017 08:54 am »
First stage cutoff.

T+5 minutes.
« Last Edit: 11/18/2017 08:54 am by Steven Pietrobon »
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline Steven Pietrobon

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Re: LIVE: Delta II 7920-10C - JPSS-1 - November 18, 2017
« Reply #293 on: 11/18/2017 08:55 am »
T+6 minutes.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline Steven Pietrobon

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Re: LIVE: Delta II 7920-10C - JPSS-1 - November 18, 2017
« Reply #294 on: 11/18/2017 08:56 am »
T+7 minutes. Seeing nice helium bottle pressure decay.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline Steven Pietrobon

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Re: LIVE: Delta II 7920-10C - JPSS-1 - November 18, 2017
« Reply #295 on: 11/18/2017 08:56 am »
T+8 minutes.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline Steven Pietrobon

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Re: LIVE: Delta II 7920-10C - JPSS-1 - November 18, 2017
« Reply #296 on: 11/18/2017 08:57 am »
T+9 minutes.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline Steven Pietrobon

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Re: LIVE: Delta II 7920-10C - JPSS-1 - November 18, 2017
« Reply #297 on: 11/18/2017 08:59 am »
T+10 minutes. All going well.
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline Steven Pietrobon

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Re: LIVE: Delta II 7920-10C - JPSS-1 - November 18, 2017
« Reply #298 on: 11/18/2017 08:59 am »
Engine cutoff!
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

Offline Steven Pietrobon

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Re: LIVE: Delta II 7920-10C - JPSS-1 - November 18, 2017
« Reply #299 on: 11/18/2017 09:01 am »
T+12 minutes. Voltages and currents within expected values. Vehicle body rates stable. Upcoming events.

0:50:50 Second stage second ignition
0:51:14 Second stage second cutoff (SECO-2)
0:57:30 JPSS 1 Separation
1:15:00 Second stage third ignition
1:15:10 Second stage third cutoff (SECO-3)
1:21:40 PPOD cubesat jettison begins
1:51:15 Second stage fourth ignition
1:51:56 Second stage fourth cutodd (SECO-4)
2:11:30 Second stage re-entry and burnup
Akin's Laws of Spacecraft Design #1:  Engineering is done with numbers.  Analysis without numbers is only an opinion.

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