Compact nuclear fusion reactor is 'very likely to work,' studies suggest

Re:Compact nuclear fusion reactor is 'very likely to work,' ... by webmaven on Wednesday September 30, 2020 @11:57AM (#24640125)

Strange. I've read about Orion-type vehicles off-and-on for several decades, and the impression I always had was that the shield would be a hemisphere, or parabolic, rather than shaped like a nosecone.

Am I missing something? How do the lower parallel sides help capture the energy of an explosion below the shield?

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Re:Compact nuclear fusion reactor is 'very likely to work,' ... by ArnoVW on Thursday October 01, 2020 @01:44AM (#24647739)

I've always understood it to be a plate. That way the vector of the forces is in the direction of travel. A parabolic shape would have to resist sideways forces.

A bit like this:

  https://www.centauri-dreams.org/2016/09/16/project-orion-a-nuclear-bomb-and-rocket-all-in-one/

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