Author Topic: SCRUB 2: New Horizons - Wednesday 18 launch attempt live updates  (Read 19583 times)

Online DaveS

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Let's try again shall we?

2 hours ago the Atlas V was powered up again following yesterday's scrub. The flight control test is now underway. Current weather conditions at SLC 41 is overcast skies with some rain. Hopefull, the weather will clear up by launch time.
"For Sardines, space is no problem!"
-1996 Astronaut class slogan

"We're rolling in the wrong direction but for the right reasons"
-USA engineer about the rollback of Discovery prior to the STS-114 Return To Flight mission

Offline Hotol

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RE: New Horizons - Wednesday 18 launch attempt live updates
« Reply #1 on: 01/18/2006 12:34 pm »
Yes, lets :)

Offline Martin FL

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RE: New Horizons - Wednesday 18 launch attempt live updates
« Reply #2 on: 01/18/2006 12:42 pm »
You can see the weather for yourself. This has little chance today.

Online DaveS

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RE: New Horizons - Wednesday 18 launch attempt live updates
« Reply #3 on: 01/18/2006 12:50 pm »
Well, the weather forecast for today calls for overcast skies and gusty winds in the morning with a clearing trend and a gradual decrease in winds in the afternoon. So it might be a little to early to decide anything.
"For Sardines, space is no problem!"
-1996 Astronaut class slogan

"We're rolling in the wrong direction but for the right reasons"
-USA engineer about the rollback of Discovery prior to the STS-114 Return To Flight mission

Offline Donna Spaceships

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RE: New Horizons - Wednesday 18 launch attempt live updates
« Reply #4 on: 01/18/2006 12:51 pm »
It doesn't seem to be "puffing" like a steam engine? Why is that?

Offline Jonesy STS

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RE: New Horizons - Wednesday 18 launch attempt live updates
« Reply #5 on: 01/18/2006 12:52 pm »
Quote
Donna Spaceships - 18/1/2006  7:51 AM

It doesn't seem to be "puffing" like a steam engine? Why is that?

Because they unload it of propellant (fuel) when they scrub. When they fill it up again it will start puffing to keep the pressure right and allow the boil off of LH2 to escape.

I think :)

Offline Tap-Sa

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RE: New Horizons - Wednesday 18 launch attempt live updates
« Reply #6 on: 01/18/2006 12:58 pm »
Quote
Jonesy STS - 18/1/2006  3:52 PM

... allow the boil off of LH2 to escape.


Not sure but I doubt they allow gaseous H2 to freely vent away near the vehicle, that would be an explosion hazard. It's oxygen that keeps puffing out when tanks are filling/full. The GH2 is probably carefully collected, piped far away from the pad and burned in controlled fashion (or perhaps reliquefied?).

Offline Jonesy STS

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RE: New Horizons - Wednesday 18 launch attempt live updates
« Reply #7 on: 01/18/2006 12:59 pm »
Quote
Tap-Sa - 18/1/2006  7:58 AM

Quote
Jonesy STS - 18/1/2006  3:52 PM

... allow the boil off of LH2 to escape.


Not sure but I doubt they allow gaseous H2 to freely vent away near the vehicle, that would be an explosion hazard. It's oxygen that keeps puffing out when tanks are filling/full. The GH2 is probably carefully collected, piped far away from the pad and burned in controlled fashion (or perhaps reliquefied?).

That was my one attempt to sound clever...nearly ;)

Offline Chris Bergin

Ok, this will be the new thread for today's attempt.
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Online DaveS

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RE: New Horizons - Wednesday 18 launch attempt live updates
« Reply #9 on: 01/18/2006 01:43 pm »
I think it's beginning to clear, just as specified by the weather forecast. So there's some hope for today.
"For Sardines, space is no problem!"
-1996 Astronaut class slogan

"We're rolling in the wrong direction but for the right reasons"
-USA engineer about the rollback of Discovery prior to the STS-114 Return To Flight mission

Offline Rocket Ronnie

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RE: New Horizons - Wednesday 18 launch attempt live updates
« Reply #10 on: 01/18/2006 01:44 pm »
Nice, let's get it off this time.

Online DaveS

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RE: New Horizons - Wednesday 18 launch attempt live updates
« Reply #11 on: 01/18/2006 01:57 pm »
All weather rules is currently "Go". And according to the National Weather Service, wind speeds should be between 9-17 kts.
"For Sardines, space is no problem!"
-1996 Astronaut class slogan

"We're rolling in the wrong direction but for the right reasons"
-USA engineer about the rollback of Discovery prior to the STS-114 Return To Flight mission

Offline simcosmos

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RE: New Horizons - Wednesday 18 launch attempt live updates
« Reply #12 on: 01/18/2006 02:09 pm »
Hello all

Disclaimer: what I will write next will not be done with the intention of deviating the attention of the readers from this live thread. The objective is to provide a few additional links that, together with this thread, might enhance the viewing of pre-launch procedures, launch, ascent profile and injection burn.

Nowadays almost every browser allows tabs navigation: I suggest you open each link in one tab and, during the mission, jump between those tabs.

Again, this is just a suggestion for a better global cover of New Horizons.



Have written this, just in order to avoid misunderstandings, here go some  of the links that I will use (have here 1 or 2 more…):

1. Starting at "home": live pictures and comments:
http://forum.nasaspaceflight.com/forums/thread-view.asp?tid=1293


2. Because this is a NASA mission:
http://www.nasa.gov/55644main_NASATV_Windows.asx

( http://www.nasa.gov/multimedia/nasatv/index.html )


3.  If you like to feel as in Mission Control + more LivePics:
http://countdown.ksc.nasa.gov/elv/


4. Thread at Orbiter Web Forum:
http://orbit.m6.net/v2/read.asp?id=28777


5. Launch Simulation >> LivePics (not sure yet):
http://simcosmos.planetaclix.pt/06_multimedia/00_live/go/SIMCOSMOS_LIVEPics.htm

I'm not sure but I think that will try to do a very clumsy transmission of New Horizons launch simulation using Atlas V, New Horizons and launch pad cool addons, from several developers, for Orbiter Space Flight Simulator ( http://www.orbitersim.com ). I'm still tweaking the necessary files (launcher configuration, performance data, starting scenario, building the automatic ascent profile, etc)... Not sure if, until the launch hour, I will have enough time to better tweak all this… Anyway, even if doing a rough simulation, I believe that it would be funny for people to see the action from my opened simulator's window… This would allow things such what we see in real life and in demonstration space videos (like the recent ones about ESAS): with the simulator there is total control of the camera angle, zoom factor, etc… If all goes well, you will be able to see the Earth starting to be smaller and smaller too, after the injection burn… And Pluto…

If happening (again, not sure yet), the transmission will be done either in real time or after the launch. I also plan to transmit images from the telemetry program.


Have Fun
Good luck to New Horizons

António
my pics @ flickr

Online DaveS

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RE: New Horizons - Wednesday 18 launch attempt live updates
« Reply #13 on: 01/18/2006 02:14 pm »
We have a scrub due to a power outage at the Applied Physics Lab at Johns Hopkins University! The APL is the New Horizons MCC. It looks like a 24 hour recycle.
"For Sardines, space is no problem!"
-1996 Astronaut class slogan

"We're rolling in the wrong direction but for the right reasons"
-USA engineer about the rollback of Discovery prior to the STS-114 Return To Flight mission

Offline Chris Bergin

Holy cow. Well spotted Dave.
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Offline simcosmos

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RE: New Horizons - Wednesday 18 launch attempt live updates
« Reply #15 on: 01/18/2006 02:21 pm »
Noooooo :(

Ho well, I guess that will try a simulated launch later on... or maybe even do a small test (just until parking orbit) at... say... 15:45GMT? :)

António
my pics @ flickr

Online DaveS

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RE: New Horizons - Wednesday 18 launch attempt live updates
« Reply #16 on: 01/18/2006 02:22 pm »
Tommorow's forecast.
"For Sardines, space is no problem!"
-1996 Astronaut class slogan

"We're rolling in the wrong direction but for the right reasons"
-USA engineer about the rollback of Discovery prior to the STS-114 Return To Flight mission

Offline SimonShuttle

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RE: New Horizons - Wednesday 18 launch attempt live updates
« Reply #17 on: 01/18/2006 02:27 pm »
That looks a lot better tomorrow anyway.

Offline Hotol

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RE: New Horizons - Wednesday 18 launch attempt live updates
« Reply #18 on: 01/18/2006 02:34 pm »
A good time to run this story with the video you spoke about?

Offline Chris Bergin

Quote
Hotol - 18/1/2006  3:34 PM

A good time to run this story with the video you spoke about?

Yep, give me an hour.
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Offline Rocket Nut

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RE: New Horizons - Wednesday 18 launch attempt live updates
« Reply #20 on: 01/18/2006 03:08 pm »
Quote
DaveS - 18/1/2006  10:14 AM

We have a scrub due to a power outage at the Applied Physics Lab at Johns Hopkins University! The APL is the New Horizons MCC. It looks like a 24 hour recycle.

Well, At least we didn't have to wait for hours in windy conditions like SpaceCat and I (and several hundred others) did yesterday.  I didn't even leave the house to go to the launch viewing site.

I must say that I met one of our fellow forum mates, SpaceCat, at the viewing area yesterday.  Lots more fun when you have a friend to talk to while waiting for the launch abort.  I enjoyed meeting another old head in the space business.  We both had some stories to tell.

Cheers,

Larry

Online DaveS

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RE: New Horizons - Wednesday 18 launch attempt live updates
« Reply #21 on: 01/18/2006 03:30 pm »
There will be a meeting a 4 pm EST to determine if APL will be able to support another attempt tommorow or if they need more time.
"For Sardines, space is no problem!"
-1996 Astronaut class slogan

"We're rolling in the wrong direction but for the right reasons"
-USA engineer about the rollback of Discovery prior to the STS-114 Return To Flight mission

Offline braddock

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RE: New Horizons - Wednesday 18 launch attempt live updates
« Reply #22 on: 01/18/2006 04:42 pm »
JHU APL is right down the street from me here (I'm in Baltimore), and we had some pretty heavy weather move through here this morning.  Guess that tripped the power.

Looks like APL weren't the only ones.  BG&E has 2800 customers without power right now all over the state:

http://www.bge.com/portal/site/bge/menuitem.3465c31fe4bb492164d35302025166a0/
http://www.pepco.com/home/emergency/maps/zip/


Online DaveS

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Well, the if this power loss wouldn't have happened would have had a launch right now. Weather is 100% "Go", clear skies and only about 13 kt winds.
"For Sardines, space is no problem!"
-1996 Astronaut class slogan

"We're rolling in the wrong direction but for the right reasons"
-USA engineer about the rollback of Discovery prior to the STS-114 Return To Flight mission

Offline SpaceCat

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RE: New Horizons - Wednesday 18 launch attempt live updates
« Reply #24 on: 01/18/2006 07:19 pm »
Gradually clearing out now- 100 miles down the coast.  No work escape for the Cat today- but we'll see about tomorrow if they decide to try again.

After staring at them for hours yesterday, found this little article about the pad lightning protection systems interesting:

http://www.aero.org/publications/crosslink/summer2001/05.html

Online DaveS

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We are go for a launch tommorow! Officials met at 4 pm to discuss whether they should go ahead with a launch tommorow or not and they decided to press on for a launch tommorow between 1:08 pm EST and 3:07 pm EST.

Weather should ideal tommorow so barring any technical hitches, New Horizons will leave planet Earth bound for Pluto and beyond tommorow at 1:08 pm EST!
"For Sardines, space is no problem!"
-1996 Astronaut class slogan

"We're rolling in the wrong direction but for the right reasons"
-USA engineer about the rollback of Discovery prior to the STS-114 Return To Flight mission

Offline Rocket Nut

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RE: New Horizons - Wednesday 18 launch attempt live updates
« Reply #26 on: 01/18/2006 10:36 pm »
Quote
SpaceCat - 18/1/2006  3:19 PM

Gradually clearing out now- 100 miles down the coast.  No work escape for the Cat today- but we'll see about tomorrow if they decide to try again.

After staring at them for hours yesterday, found this little article about the pad lightning protection systems interesting:

http://www.aero.org/publications/crosslink/summer2001/05.html

Thanks for the article.  You and I talked about a couple of the tests discussed in that article.  Now I know more than I ever wanted to know about those towers!   :)

Will I see you at the launch viewing area again tomorrow?

cheers,

Larry

Offline Chris Bergin

Quote
DaveS - 18/1/2006  11:12 PM

We are go for a launch tommorow! Officials met at 4 pm to discuss whether they should go ahead with a launch tommorow or not and they decided to press on for a launch tommorow between 1:08 pm EST and 3:07 pm EST.

Weather should ideal tommorow so barring any technical hitches, New Horizons will leave planet Earth bound for Pluto and beyond tommorow at 1:08 pm EST!

Third time lucky ;)
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Offline Rocket Nut

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DaveS - 18/1/2006  6:12 PM

We are go for a launch tommorow! Officials met at 4 pm to discuss whether they should go ahead with a launch tommorow or not and they decided to press on for a launch tommorow between 1:08 pm EST and 3:07 pm EST.

Weather should ideal tommorow so barring any technical hitches, New Horizons will leave planet Earth bound for Pluto and beyond tommorow at 1:08 pm EST!

I'll be down there watching and listening!

Does anyone have data about how many Gs the payload will be subjected to during launch?  Past the moon in 9 hours...must be serious acceleration there.


Cheers,

Larry

Offline Rocket Guy

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Well I am absolutely exhausted, but I know it's well worth it in the end!

Beautiful rocket out there, just got back from the launch pad servicing remote cameras.

Offline Flightstar

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Tomorrow is looking very good!

Offline t walker

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we are at T-4 towards the end of the hold and all looks just fine...

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