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  [Discuss] QM-1 solid rocket motor test for SLS

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Author Topic:   [Discuss] QM-1 solid rocket motor test for SLS
Robert Pearlman
Editor

Posts: 31953
From: Houston, TX
Registered: Nov 1999

posted 01-24-2015 02:46 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 SLS: QM-1 solid rocket motor static-fire test focused on status updates, readers' feedback and opinions are directed to this thread.

Please use this topic to discuss NASA's and ATK's Space Launch System (SLS) QM-1 booster test scheduled for March 2015.

ejectr
Member

Posts: 1560
From: Brimfield, MA
Registered: Mar 2002

posted 01-24-2015 02:46 PM     Click Here to See the Profile for ejectr   Click Here to Email ejectr     Edit/Delete Message   Reply w/Quote
With the rocket engine tied to the earth, where does all that thrust go?

SpaceAholic
Member

Posts: 3360
From: Sierra Vista, Arizona
Registered: Nov 1999

posted 01-24-2015 02:47 PM     Click Here to See the Profile for SpaceAholic   Click Here to Email SpaceAholic     Edit/Delete Message   Reply w/Quote
Based on the engine's orientation with regards to the Sun, appears the impulse is added to the Earth's spin precession.

GACspaceguy
Member

Posts: 1769
From: Guyton, GA
Registered: Jan 2006

posted 01-24-2015 04:44 PM     Click Here to See the Profile for GACspaceguy   Click Here to Email GACspaceguy     Edit/Delete Message   Reply w/Quote
I think that is Scott's way of saying the thrust is reacted into the hold down fixture that is inturn reacted into the earth.

Headshot
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Posts: 446
From: Streamwood, IL USA
Registered: Feb 2012

posted 03-10-2015 06:48 AM     Click Here to See the Profile for Headshot   Click Here to Email Headshot     Edit/Delete Message   Reply w/Quote
Will the test firing be televised?

Robert Pearlman
Editor

Posts: 31953
From: Houston, TX
Registered: Nov 1999

posted 03-10-2015 06:58 AM     Click Here to See the Profile for Robert Pearlman   Click Here to Email Robert Pearlman     Edit/Delete Message   Reply w/Quote
NASA TV will carry the test live on its television channel and streamed through its website.

JBoe
Member

Posts: 566
From: Churchton, MD, USA
Registered: Oct 2012

posted 03-11-2015 06:22 AM     Click Here to See the Profile for JBoe   Click Here to Email JBoe     Edit/Delete Message   Reply w/Quote
Has there or will there be any "special" commemoratives offered to celebrate the test such as artifacts, rocket glass, or first day covers?

OV3Discovery
Member

Posts: 48
From: Perth, WA, Aus
Registered: Mar 2015

posted 03-18-2015 09:21 AM     Click Here to See the Profile for OV3Discovery     Edit/Delete Message   Reply w/Quote
Since SLS will fly only once a year, its SRBs would not be collected, refurbished and reused. Is this to keep costs down as it would be cheaper to build a whole new SRB, than to pay the costs of collection and refurbishments for re-use?

Robert Pearlman
Editor

Posts: 31953
From: Houston, TX
Registered: Nov 1999

posted 03-18-2015 09:23 AM     Click Here to See the Profile for Robert Pearlman   Click Here to Email Robert Pearlman     Edit/Delete Message   Reply w/Quote
The driving factor was cost savings, yes. Orbital ATK has a sufficient supply of case parts left over from the shuttle to support SLS until an advanced booster is adopted.

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