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  [Discuss] SpaceX CRS-2 space station mission

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Author Topic:   [Discuss] SpaceX CRS-2 space station mission
Robert Pearlman
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Posts: 27328
From: Houston, TX
Registered: Nov 1999

posted 02-14-2013 04:11 PM     Click Here to See the Profile for Robert Pearlman   Click Here to Email Robert Pearlman     Edit/Delete Message   Reply w/Quote
Editor's note: In an effort to keep the topic SpaceX Dragon CRS-2 flight to the space station focused on status updates, feedback and opinions are directed to this thread.

Please use this topic to discuss the second of SpaceX's 12 contracted cargo flights to the International Space Station under the Commercial Resupply Services (CRS) Program.

Robert Pearlman
Editor

Posts: 27328
From: Houston, TX
Registered: Nov 1999

posted 02-14-2013 04:12 PM     Click Here to See the Profile for Robert Pearlman   Click Here to Email Robert Pearlman     Edit/Delete Message   Reply w/Quote
For those interested in attending the launch and who are active in social media...
NASA is inviting 50 social media users to apply for credentials for the launch. Social media users selected to attend will be given the same access as journalists. All social media accreditation applications will be considered on a case-by-case basis.

Registration for social media accreditation is open online. International social media users without U.S. citizenship must apply for credentials by 5 p.m. EST Friday, Feb. 15, to qualify. For U.S. social media, the deadline to apply is 5 p.m. EST Friday, Feb. 22.

For more information about NASA social media accreditation requirements and to register, click here.

Ronpur
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Posts: 211
From: Brandon, Fl
Registered: May 2012

posted 02-14-2013 04:56 PM     Click Here to See the Profile for Ronpur   Click Here to Email Ronpur     Edit/Delete Message   Reply w/Quote
Great news!! This really snuck up on me, I had not seen anything about an upcoming launch. I haven't even heard about what the cause of the engine failure on the last Dragon launch was.

Robert Pearlman
Editor

Posts: 27328
From: Houston, TX
Registered: Nov 1999

posted 02-14-2013 05:13 PM     Click Here to See the Profile for Robert Pearlman   Click Here to Email Robert Pearlman     Edit/Delete Message   Reply w/Quote
The cause of the engine failure on CRS-1 has not been pinpointed, as Florida Today reported last month.
"As is often the case with a failure like this on a system you don't get back, it was hard to find a specific smoking gun to point to, but a number of things were believed to be contributors that have been looked at," said Mike Suffredini, NASA's ISS program manager.
It seems that a "significant amount" of pre-flight testing may have led to the failure, which is not an issue for the Merlin engines installed for CRS-2.
The engines flying on the next Falcon 9 are new and have not been tested beyond what is required to certify them for flight, and have all undergone recent inspections.

Zach121k
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Posts: 55
From: Fenton, Missouri, USA
Registered: Feb 2013

posted 02-25-2013 09:27 AM     Click Here to See the Profile for Zach121k   Click Here to Email Zach121k     Edit/Delete Message   Reply w/Quote
Today is the static fire of the Falcon 9. Does anyone know when it is, and if it will be broadcast?

Robert Pearlman
Editor

Posts: 27328
From: Houston, TX
Registered: Nov 1999

posted 02-25-2013 09:35 AM     Click Here to See the Profile for Robert Pearlman   Click Here to Email Robert Pearlman     Edit/Delete Message   Reply w/Quote
The static test fire is planned for this afternoon; the time has not been announced.

The Falcon was rolled out to the pad this morning and is currently standing vertical at Complex 40 at the Cape Canaveral Air Force Station.

A NASA feed with a distant view of the pad can be streamed here.

On edit: Spaceflight Now has reported a targeted T-0 of 1:30 pm EST (1830 GMT).

Zach121k
Member

Posts: 55
From: Fenton, Missouri, USA
Registered: Feb 2013

posted 02-25-2013 12:32 PM     Click Here to See the Profile for Zach121k   Click Here to Email Zach121k     Edit/Delete Message   Reply w/Quote
I can confirm based on the feed, that ignition successfully occurred, followed by shutdown two seconds later.

Robert Pearlman
Editor

Posts: 27328
From: Houston, TX
Registered: Nov 1999

posted 02-25-2013 12:50 PM     Click Here to See the Profile for Robert Pearlman   Click Here to Email Robert Pearlman     Edit/Delete Message   Reply w/Quote
A friend in the SpaceX control room tweeted:
There was rocket flame and things seemed to go well. Hopefully this means that we're ready to roll for Friday.

Robert Pearlman
Editor

Posts: 27328
From: Houston, TX
Registered: Nov 1999

posted 03-01-2013 09:51 AM     Click Here to See the Profile for Robert Pearlman   Click Here to Email Robert Pearlman     Edit/Delete Message   Reply w/Quote
The Falcon 9 lifted off as scheduled at 10:10 a.m. EST (1510 GMT) and placed NASA's second-contracted Dragon into orbit. An anomaly however, has affected the spacecraft's ability to maneuver.

Flight status updates from Elon Musk via Twitter:

8:32 a.m. CST
Falcon 9 delivered Dragon to its target orbit. All good on the rocket.

9:40 a.m. CST
Issue with Dragon thruster pods. System inhibiting three of four from initializing. About to command inhibit override.

10:04 a.m. CST
Holding on solar array deployment until at least two thruster pods are active.

10:12 a.m. CST
About to pass over Australia ground station and command inhibit override.

10:38 a.m. CST
Thruster pod 3 tank pressure trending positive. Preparing to deploy solar arrays.

10:49 a.m. CST
Solar array deployment successful.

SpaceX statement:
One thruster pod is running. Two are preferred to take the next step which is to deploy the solar arrays. We are working to bring up the other two in order to plan the next series of burns to get to station.

Ronpur
Member

Posts: 211
From: Brandon, Fl
Registered: May 2012

posted 03-01-2013 10:13 AM     Click Here to See the Profile for Ronpur   Click Here to Email Ronpur     Edit/Delete Message   Reply w/Quote
Beautiful launch! A bit chilly going outside to see it but worth it!

Gonzo
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Posts: 374
From: Lansing, MI, USA
Registered: Mar 2012

posted 03-01-2013 10:51 AM     Click Here to See the Profile for Gonzo   Click Here to Email Gonzo     Edit/Delete Message   Reply w/Quote
Beautiful indeed. Even if I had to watch it live on webcast. A bit of a stretch to see it firsthand from Michigan!

Robert Pearlman
Editor

Posts: 27328
From: Houston, TX
Registered: Nov 1999

posted 03-01-2013 02:00 PM     Click Here to See the Profile for Robert Pearlman   Click Here to Email Robert Pearlman     Edit/Delete Message   Reply w/Quote
Elon Musk:
1:57 p.m. EST
Pods 1 and 4 now online and thrusters engaged. Dragon transitioned from free drift to active control. Yes!!

SpaceKSCBlog
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Posts: 112
From: Merritt Island, FL
Registered: Nov 2011

posted 03-02-2013 06:31 PM     Click Here to See the Profile for SpaceKSCBlog   Click Here to Email SpaceKSCBlog     Edit/Delete Message   Reply w/Quote
SpaceX launches are starting to feel like an Indiana Jones movie.

Jurvetson
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Posts: 38
From: Menlo Park, CA, United States
Registered: Sep 2011

posted 03-10-2013 03:18 PM     Click Here to See the Profile for Jurvetson     Edit/Delete Message   Reply w/Quote
Elon did an interview at the TED conference just before launch. I posted a page of photos.

Michael Davis
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Posts: 353
From: Houston, Texas
Registered: Aug 2002

posted 03-26-2013 01:52 PM     Click Here to See the Profile for Michael Davis   Click Here to Email Michael Davis     Edit/Delete Message   Reply w/Quote
Was there any preliminary feedback on the reason for that initial RCS failure? I have heard nothing about why three of four thrusters were initially inoperable.

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