-
Recent Posts
Recent Comments
- Jim Davis on Regenerative cooled turbopump
- john hare on Rapid Orbital Propellant Transfer
- John Fornaro on Rapid Orbital Propellant Transfer
- johnhare on Second Guessing Starship
- Sam on Second Guessing Starship
Categories
Family Blog Links
Libertarian/Political/Economic Links
NewSpace Companies
Nuclear Tech Companies
Space Blog Links
Archives
- March 2023 (1)
- September 2022 (2)
- August 2022 (1)
- July 2022 (1)
- June 2022 (1)
- May 2022 (1)
- April 2022 (2)
- February 2022 (1)
- October 2021 (1)
- August 2021 (1)
- June 2021 (3)
- May 2021 (2)
- March 2021 (1)
- February 2021 (2)
- November 2020 (2)
- October 2020 (1)
- September 2020 (4)
- July 2020 (1)
- June 2020 (1)
- May 2020 (1)
- March 2020 (1)
- February 2020 (1)
- January 2020 (1)
- November 2019 (1)
- August 2019 (1)
- July 2019 (1)
- May 2019 (4)
- March 2019 (2)
- November 2018 (1)
- September 2018 (2)
- July 2018 (5)
- May 2018 (1)
- March 2018 (3)
- February 2018 (2)
- December 2017 (2)
- November 2017 (5)
- October 2017 (2)
- September 2017 (2)
- August 2017 (1)
- July 2017 (3)
- June 2017 (3)
- May 2017 (2)
- April 2017 (2)
- March 2017 (1)
- February 2017 (1)
- January 2017 (2)
- December 2016 (4)
- November 2016 (1)
- September 2016 (7)
- August 2016 (1)
- July 2016 (3)
- June 2016 (4)
- May 2016 (5)
- April 2016 (8)
- February 2016 (2)
- January 2016 (3)
- December 2015 (4)
- November 2015 (1)
- September 2015 (7)
- August 2015 (4)
- July 2015 (1)
- June 2015 (19)
- May 2015 (17)
- April 2015 (2)
- March 2015 (3)
- February 2015 (1)
- January 2015 (6)
- December 2014 (3)
- November 2014 (1)
- October 2014 (4)
- September 2014 (4)
- August 2014 (3)
- June 2014 (1)
- April 2014 (2)
- March 2014 (1)
- February 2014 (1)
- January 2014 (1)
- December 2013 (12)
- November 2013 (7)
- September 2013 (5)
- August 2013 (4)
- July 2013 (5)
- June 2013 (4)
- April 2013 (7)
- March 2013 (9)
- February 2013 (4)
- January 2013 (5)
- December 2012 (2)
- September 2012 (3)
- August 2012 (5)
- June 2012 (2)
- May 2012 (1)
- April 2012 (5)
- March 2012 (2)
- February 2012 (2)
- January 2012 (2)
- November 2011 (2)
- October 2011 (2)
- August 2011 (1)
- July 2011 (1)
- June 2011 (2)
- May 2011 (3)
- April 2011 (5)
- March 2011 (3)
- February 2011 (7)
- January 2011 (9)
- December 2010 (4)
- November 2010 (2)
- October 2010 (5)
- September 2010 (4)
- August 2010 (2)
- July 2010 (8)
- June 2010 (7)
- May 2010 (8)
- April 2010 (6)
- March 2010 (6)
- February 2010 (18)
- January 2010 (7)
- December 2009 (15)
- November 2009 (8)
- October 2009 (12)
- September 2009 (9)
- August 2009 (9)
- July 2009 (18)
- June 2009 (17)
- May 2009 (6)
- April 2009 (10)
- March 2009 (6)
- February 2009 (6)
- January 2009 (6)
- December 2008 (7)
- November 2008 (21)
- October 2008 (14)
- September 2008 (21)
- August 2008 (5)
- July 2008 (6)
- June 2008 (9)
- May 2008 (5)
- April 2008 (10)
- March 2008 (14)
- February 2008 (11)
- January 2008 (11)
- December 2007 (2)
- November 2007 (11)
- October 2007 (2)
- September 2007 (4)
- August 2007 (2)
- July 2007 (8)
- June 2007 (13)
- May 2007 (11)
- April 2007 (11)
- March 2007 (15)
- February 2007 (11)
- January 2007 (23)
- December 2006 (26)
- November 2006 (22)
- October 2006 (12)
- September 2006 (26)
- August 2006 (20)
- July 2006 (12)
- June 2006 (14)
- May 2006 (29)
- April 2006 (8)
- March 2006 (17)
- February 2006 (13)
- January 2006 (6)
- December 2005 (9)
- November 2005 (11)
- October 2005 (16)
- September 2005 (22)
- August 2005 (27)
- July 2005 (19)
- June 2005 (8)
Category Archives: Propellant Depots
HEFT Frustrations Venting
So, most of you in the space policy world have heard about NASA’s report back to Congress about how it wants to build an Ares-V classic HLV, but that Congress wasn’t giving them enough time or money, and Congress’ dignified … Continue reading
Posted in Commercial Space, ESAS, NASA, NEOs, Propellant Depots
80 Comments
Servicing Iridium’s Satellite Constellation: Business Case (Part 2)–Background and Technical Challenges
Earlier this week, Colin Doughan posted the first post in what should hopefully be a fun series of posts on the business case of servicing the Iridium satellites over on his excellent Space Business Blog. As he mentioned at the … Continue reading
Space Access 2010 Propellant Depot Presentations
It’s been a rather interesting month so far, and I’ve been under a bit too much stress lately to blog much, but I wanted to put up some of the presentations from the Propellant Depot panel I was on at … Continue reading
Additional AV-017 Flight Experiment Information
I’ve mentioned, here and in my propellant depot paper, the post-flight cryogenic fluid management experiments ULA carried out on the AV-017 flight this past fall. I don’t have time this morning to comment on it, but I just found out … Continue reading
Posted in Propellant Depots
17 Comments
Boom-Rendezvous: A Path Not-Yet Taken
Earlier this summer, I stumbled on a fascinating paper while trying to find some quotes for my Space 2009 Propellant Depot paper. The paper I found, Boom Rendezvous Alternative Docking Approach, written by Joseph Bonnometti of MSFC, discussed an interesting … Continue reading
Posted in Propellant Depots, Space Transportation, Technology, Tuggery
17 Comments
Skribit Bypass Operation
Ok, between the trip to DC for the awards ceremony on Thursday, and taking all of next week off for a long-needed vacation, I’m not quite out of the woods yet. But after that I want to get back into … Continue reading
AV-017, Bubbling UFOs, and Centrifugal Settling
I’ve been so busy lately that I’m only now getting a few spare minutes to show off some rather cool pictures I was sent a week ago. A week ago Monday, I got an email from Claire Flanagan of the … Continue reading
Posted in Astronomy, Fun, Propellant Depots
2 Comments
Space 2009 Papers
I only have a few minutes tonight, but part of what’s been keeping me busy lately has been two Space 2009 papers I’ve been involved with (one as the primary author, and another as a very minor coauthor). First, the … Continue reading
Posted in MSS, Propellant Depots, Technology
37 Comments
Depot-Centric Human Spaceflight
In light of how well today went at the Augustine Committee, I felt that it would be worthwhile to post the propellant depot white paper that a group of us submitted last week. I was originally planning a much longer … Continue reading
One of the Most Amazing 25 Minutes in (Recent) NASA History [Updated]
Or at least that’s how Stephen Flemming put it on Twitter regarding Jeff Greason’s presentation at the Augustine Committee meeting today in Florida. To be fair, the rest of the subgroup also did an amazing job, especially Chris Chyba’s wrapup … Continue reading