An Ex Rocket Man's Take On It

The ravings of a trained mind.

Tuesday, April 14, 2026

Elliptic Departure and Arrival

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Update 4-22-2026 :  This post is fundamentally about using extended elliptical orbits and "space tugs" to reduce the departure (a...
Thursday, April 9, 2026

On the Iran War

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The following is an open letter to my federal representation: I ( and more than half the country ) find the strategy for the Iran war flaw...
Tuesday, March 31, 2026

About the Artemis-2 Mission

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See the 4-13-2026 update at the end,  for some early photos of Artemis-2 post landing,  plus my preliminary assessment of heat shield damage...
4 comments:
Thursday, March 26, 2026

Do Something About Trump and His Iran War

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The following is the latest message that I sent to Sen. Cornyn,  Sen. Cruz,  and Rep. Sessions,  my federal representation in Congress,  wit...
1 comment:
Saturday, March 21, 2026

Just So You Know ...

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The following is a column that I submitted to the Waco “Tribune-Herald” on Friday 3-20-2026.  They haven’t had time yet to use it or not,  b...
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About Me

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Gary Johnson
McGregor, Texas, United States
GW had a 20 year career in aerospace defense new product engineering, followed by a 20 year career in mostly teaching, with a little civil engineering and aviation work. He is now retired on a small farm in central Texas, occasionally building and selling cactus eradication tools, available for consulting, and offering a self-published book on ramjet propulsion. He has posted a lot of technical articles on this site, a catalog of which is in the post "Lists of Some Articles By Topic Area", dated 21 October 2021. For information about the ramjet book, see "GW's Ramjet Book Is Now Available!", posted 12 February 2024. Use the blog archive gadget as a navigation tool to find these quickly. He is also developing course materials for teaching or self-teaching in aerothermodynamics, and in the sizing of vehicles for space missions.
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