An Ex Rocket Man's Take On It

The ravings of a trained mind.

Thursday, October 23, 2025

Sad to Say …

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These two images would not be funny at all,  if there were not some truth to them.  If there were no element of truth,  they would be funny ...
Thursday, October 16, 2025

Going Back to the Moon

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The author has updated this posting as of 17 Oct 2025,  with revised and expanded conclusions and final remarks.  Nothing else has changed. ...
Tuesday, October 7, 2025

Trump Dictatorship Is Already Here!

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To understand what I wrote just below,  I need to make one serious point first:  Do NOT listen to what any politician (of any party) says,  ...
Tuesday, September 23, 2025

Open Your Eyes and See!

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This article was submitted to the Waco “Tribune-Herald” newspaper on 18 September 2025,  by me as a member of their board of contributors.  ...
Monday, September 1, 2025

On Pressure Vessels

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One can build an unpressurized liquid tank to any desired shape,  unless it is so large that the depth of liquid inside exerts a significant...
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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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