Space, Propulsion & Energy Sciences Internat’l Forum

Infinite Energy magazine’s editor Christy Frazier had asked me to write a report on the Space, Propulsion and Energy Sciences International Forum, held at the end of February and early March at the University of Maryland. Now, ready to publish,  she sent me a link to the PDF of the article. Pictured at the left is Thomas Valone. With the help of his wife Jacquie and other generous volunteers, Valone organized SPESIF 2012.  The article is long, but it’s only a fraction of what I learned at the conference.



  1. The late John Campbell, the editor of Analog, who published the original series of articles on the Dean Drive in the late 1950s and early 60s, told me in a phone conversation shortly before his death, that he knew of some of his readers who had built Dean Drive devices based on the information in his magazine, and were hauling their firewood around on home-made anti-gravity sleds, but could not get anybody to believe them. He said around 100 of his readers had written to say they had tried to build a working Dean Drive device, and about half of them got it to work. A small mechanical engineering company in Cambridge, Mass. built one to very fine tolerances, the way engineers are trained to do, reducing vibration and wasted motion to a minimum, and it did not work. Then they tried it with used parts, such as Dean had used, put together sloppily, like a person with no engineering training like Dean would do it, and that one worked. The vibration a good engineer is trained to try to eliminate was a vital part of the process.
    Campbell also told me the vibration will shake it apart in a short time, but that could be avoided by using rubber bands to hold it together instead of rigid metal connections. He and a physicist named Davis had tested a Dean Device with strain guages and took high-speed movies, but when they slowed the movie down and looked at one frame at a time, they were not able to analyze the motion.
    It has now been over 50 years, and no progress yet on this type of technology. Why?

  2. science writer says:

    I read your article in Infinite Energy magazine: it was great. I like how you included the personal comments by the lecturers, and their appraisals of their own work.

  3. Thanks for the comment on the Infinite Energy article; feedback is always appreciated.

  4. Jason M Cunningham says:

    I realise the difficulties of attempting to get support for breakthrough research R&D going, because of the abovementioned challenges as listed in your article. I feel grateful for the offerings of such resources about getting support through books written about the reality of such challenges that the system considers lunacy or “conspiracy theory”, I’m also wondering if the texas based company called EEStor was a real story or a red herring back in 05 -07 I was reading a little about them but ran into resistance from bigger entities, as their technology seemed a good adjunct to hybridise with my idea. I read about Malone in 98 but wondered if he were still working in his area of research and it seems fine that he is in this conference to lend credence to what many have been working towards. sincerely Jason M Cunningham

  5. yes, Jason, EEStor story is real, but I don’t have direct or recent knowledge about them.Would appreciate an update if anyone does…


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