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#40
by
FinalFrontier
on 03 Dec, 2009 18:41
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I wonder how many medium+(5,4) have flown before.
None, this is the first flight.
Is the CBC for the M+ (5,4) structurally reinforced somehow to carry the added loads from the "extra" SRBs, or is it the same as every other CBC that has flown?
Yes, the part that attaches the interstage to the upper part of the CBC is different. Also there is an X-brace inside the CBC which I assume connects all the SRM attach points for added strength. There are probably other changes as well.
So this is the first kind of this particular type of delta 4 medium rocket to ever be launched? Cool
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#41
by
Chris Bergin
on 03 Dec, 2009 19:35
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#42
by
Davidgojr
on 03 Dec, 2009 19:47
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Will this launch be shown live on TV anywhere? NASA TV? I know it as US military launch and not NASA.
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#43
by
yorky10
on 03 Dec, 2009 19:50
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Anyone know what the parking is like at Jetty Park for launch viewing??
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#44
by
Chris Bergin
on 03 Dec, 2009 19:51
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Will this launch be shown live on TV anywhere? NASA TV? I know it as US military launch and not NASA.
ULA Webcast:
A web simulcast will be available on the ULA website at
http://www.ulalaunch.com/index_webcast.html beginning 25 minutes prior to launch.
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#45
by
sdsds
on 03 Dec, 2009 20:41
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Launch Preview article - by William Graham.
http://www.nasaspaceflight.com/2009/12/live-ula-delta-iv-launch-with-wgs-3/
Good article; comprehensive and nicely organized! I particularly appreciated the parts of the article that put the vehicle for this launch into broader contexts, i.e. how it fits within the progression of Delta IV and overall EELV flights. It doesn't mention though: are there are any future launches anticipated to use the M+ (5,4) configuration?
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#46
by
yorky10
on 03 Dec, 2009 21:20
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Is there a weather thread for this launch or does anyone have any info?
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#47
by
Antares
on 03 Dec, 2009 21:29
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#48
by
William Graham
on 03 Dec, 2009 21:30
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are there are any future launches anticipated to use the M+ (5,4) configuration?
I believe the next planned launch using the Medium+ (5,4) configuration will be WGS-4 in 2011.
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#49
by
Antares
on 03 Dec, 2009 22:48
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How do storms in Florida know exactly when to show up at the Cape?
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#50
by
DaveS
on 03 Dec, 2009 22:50
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How do storms in Florida know exactly when to show up at the Cape?
Seems like they're trying to chase down a leak of some sort. Helium was mentioned. Appears to be a non-constraint for now.
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#51
by
Nick L.
on 03 Dec, 2009 23:00
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Upper level winds are red at this time, however expected to turn green before the open of the window.
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#52
by
Nick L.
on 03 Dec, 2009 23:02
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T-5 minutes and holding.
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#53
by
DaveS
on 03 Dec, 2009 23:02
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T-5 minutes and holding for 15 minutes.
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#54
by
Nick L.
on 03 Dec, 2009 23:05
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#55
by
Chris Bergin
on 03 Dec, 2009 23:06
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Explaining what a hat trick means
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#56
by
Nick L.
on 03 Dec, 2009 23:09
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Interesting that fairing sep occurs before 1-2 sep instead of the other way around (the usual for D-IV).
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#57
by
Nick L.
on 03 Dec, 2009 23:10
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Upper level winds still red. Looking like we will not make the window open.
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#58
by
Chris Bergin
on 03 Dec, 2009 23:10
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High winds a concern. New T-0 coming due to need for weather balloon data.
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#59
by
Nick L.
on 03 Dec, 2009 23:11
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Looking for a 0037Z T-0 (7:37 PM ET).
