Author Topic: LIVE: Delta IV-M+(5,2) - NROL-47 - Vandenberg - January 12, 2018  (Read 58018 times)

Offline Colodie

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Especially when it seems you're incredibly complex rocket is delayed because of a swingy arm, and then a valve (Yeah, I know it's more complex than that, but still).

And based on the frustration on that last hold call, yeah.

Offline hartspace

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Given the lengthy day (countdown plus 4 hour window), the detanking that still needs to be done, and with the last anomaly still being worked on, I wouldn't be too surprised to see the next try on Saturday, instead of tomorrow.

Offline hartspace

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The ULA #DeltaIV #NROL47 launch for the @NatReconOfc was scrubbed today due to an issue with a ground system valve. Launch is planned for Jan. 12 at 1pmPST. The forecast shows a 90% chance of favorable weather conditions for launch.
https://twitter.com/ulalaunch/status/951620108950138881

Online catdlr

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new YouTube link for tomorrow's launch.

https://www.youtube.com/watch?v=h9O-JH4DtiQ?t=001

Tony De La Rosa

Offline Jdeshetler

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Dr. James Outzen, NRO Chief Historian, standing by for ULA NROL-47 to launch from SLC-6 at Vandenberg Air Force Base before it was scrubbed.

Offline kdhilliard

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At 1:33:39 into the webcast recording, five minutes after the first abort, there was this exchange:
Quote
ECS LC.
Go ahead.
We have a request to take interstage to 145 degrees Fahrenheit.
Roger.
145 F = 63 C.  Sounds toasty for the interstage of a cryogenic vehicle.  What's that all about?

Offline Rocket Science

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At 1:33:39 into the webcast recording, five minutes after the first abort, there was this exchange:
Quote
ECS LC.
Go ahead.
We have a request to take interstage to 145 degrees Fahrenheit.
Roger.
145 F = 63 C.  Sounds toasty for the interstage of a cryogenic vehicle.  What's that all about?
Perhaps they saw some ice build up that needed to be attended to, avionics or the RL-10 actuators were too cold for too long...
« Last Edit: 01/12/2018 01:46 PM by Rocket Science »
"The laws of physics are unforgiving"
~Rob, Physics instructor, aviator, vintage auto racer

Offline SciNews

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Delta IV aborted launch with NROL-47

That was a long launch window

Offline FutureSpaceTourist

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While we wait for today's retry, here are some nice photos from (early) yesterday morning that ULA have put on their website.
« Last Edit: 01/12/2018 09:36 AM by FutureSpaceTourist »

Offline Jim

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At 1:33:39 into the webcast recording, five minutes after the first abort, there was this exchange:
Quote
ECS LC.
Go ahead.
We have a request to take interstage to 145 degrees Fahrenheit.
Roger.
145 F = 63 C.  Sounds toasty for the interstage of a cryogenic vehicle.  What's that all about?

not really.  It would be more unusual for non cryogenic vehicle.

Warm/Hot conditioned gas is used a lot a on cryogenic vehicles to keep hardware temps in place, especially for a long tanking

Offline FutureSpaceTourist

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Delta IV-M+(5,2) - NROL-47 - Vandenberg - January 12, 2018
« Reply #290 on: 01/12/2018 11:40 AM »
Round 2 begins:

Quote
The countdown for #DeltaIV #NROL47 got underway just under an hour ago. Latest weather briefing shows an 80% chance of favorable weather for launch! @NatReconOfc @30thSpaceWing

https://twitter.com/ulalaunch/status/951795535769464832
« Last Edit: 01/12/2018 11:40 AM by FutureSpaceTourist »

Offline ZachS09

I think this is the third launch attempt overall, counting that day in which the MST was forced to stay put due to bad weather.
"Liftoff of Falcon 9: the world's first reflight of an orbital-class rocket."

Offline Rocket Science

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Today's liftoff today from Space Launch Complex-6 at Vandenberg Air Force Base. Forecast shows a 90 percent chance of favorable weather conditions for launch.
The launch time: 1 p.m. PT
Live Broadcast: Beginning at 12:40 p.m. PST

I'm hoping the hardworking teams are going to lift what I've been calling the "Shelby jinx" in my head for the last couple of days... Sorry had to say it... Go Delta!

"The laws of physics are unforgiving"
~Rob, Physics instructor, aviator, vintage auto racer

Offline hartspace

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The ULA team has given the "GO!" to begin cryogenic fueling operations. Picking up the countdown as we progress toward #DeltaIV #NROL47 launch at 1pmPST today. Live broadcast at 12:40pmPST. http://bit.ly/div_nrol47
https://twitter.com/ulalaunch/status/951853950571044864

Offline FutureSpaceTourist

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No issues in work as we continue counting down to #DeltaIV #NROL47 launch from Vandenberg AFB. Launch is planned for 1pmPST. Live broadcast at 12:40pmPST bit.ly/div_nrol47

https://twitter.com/ulalaunch/status/951882804907798528

Offline Helodriver

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Yesterday's scrub presented another opportunity to image the vehicle before today's launch attempt. The marine layer free morning gave good light and near perfect conditions as the Sun rose over the Santa Ynez Mountains and bathed SLC-6 in morning twilight.  Roadblocks went live at 8am and area clearance took place shortly thereafter bringing the rocket portraiture session to a close. Beautiful views from above on the surrounding ridgelines give unique perspectives. The first two images are high resolution multimegapixel composites.

Image Y15 is San Miguel island laying 40 miles offshore and Y16 is Point Conception 12 miles to the southeast. Extremely clear air this morning.

Y6, 22, and 23 show Nasaspaceflight well represented for this mission. :)

Offline Space Ghost 1962

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You do great work. Especially like the long shots, as I'm so used to the 0/0 fog that I forget to even look further out when I've been there frequently.

And I remember when it was MOL and then Shuttle.

Offline Helodriver

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The last few from this morning.

Offline FutureSpaceTourist

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HOLD - The countdown clock for the launch of a Delta 4 rocket has been stopped while the launch team investigate a problem with a pumping station at the pad: spaceflightnow.com/2018/01/10/delů

https://twitter.com/spaceflightnow/status/951901463139291137

Offline hartspace

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HOLD - The countdown clock for the launch of a Delta 4 rocket has been stopped while the launch team investigate a problem with a pumping station at the pad: spaceflightnow.com/2018/01/10/delů

https://twitter.com/spaceflightnow/status/951901463139291137
This will likely delay the launch from 1300 PT.  A crew would need to come from the fallback area, fix the issue, and return to the fallback area before resuming the count.

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