Blogs about: Isru
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Dual Propellant Expander
Or what you are going to call it, an unrealized proposal from Aerojet around 1984. PDF Found on NTRS. The idea was to have two turbopumps (like on SSME), but instead operate on the expander cycle. Two… more →
Gravity Loss
Dual Propellant Expander
gravityloss wrote 2 weeks ago: Or what you are going to call it, an unrealized proposal from Aerojet around 1984. PDF Found on NTRS … more →
Reality and Future
— 4 comments
gravityloss wrote 3 months ago: Jeff Greason is a rational person who simply gets it. It is mind boggling how completely opposite fr … more →
Heavy Lift Unnecessary
— 5 comments
gravityloss wrote 3 months ago: There are a lot of implicit assumptions that heavy lifters of this or that throw weight must be used … more →
Lunar Bases Must Be Buried
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gravityloss wrote 7 months ago: Concept art of lunar bases tends to show spherical or cylindrical structures, but they suffer from o … more →
What NASA Should Do
gravityloss wrote 7 months ago: And partly what this blog is about (I realized in the middle that I’m typing like in a slide s … more →
FLEX - Flexible Exploration Architecture
— 17 comments
gravityloss wrote 1 year ago: I wrote this architecture proposal, FLEX, a few years ago. It analyzes NASA’s approach that th … more →
Thorium MSR Design Possibilities
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gravityloss wrote 1 year ago: There are a huge array of design possibilities for a Thorium molten salt reactor / liquid fluoride t … more →
Bringer of the Second Nuclear Age
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gravityloss wrote 1 year ago: Thorium Molten Salt Reactors – A Really Short Intro Thorium is about thrice as abundant compar … more →
Fed Up
— 9 comments
gravityloss wrote 1 year ago: I’m quite that just right now. It will pass. Perhaps. There’s been some discussion in va … more →
European Lunar Program Alternatives
gravityloss wrote 1 year ago: ESA’s Architecture for Exploration Study (AES) is overviewed in Lunar Base Quarterly 1/2008 (EDIT: t … more →
Analytics On Steroids
gravityloss wrote 1 year ago: Okay, the topic of course is a pun of the current moon exploration approach chosen by NASA. It has b … more →
A 3D Glue Gun Does Not Self-Replication Make
— 2 comments
gravityloss wrote 1 year ago: I’ve been wondering at this ever since the meme has been circulating. People make a printer th … more →
