6 thoughts on “Space Access”

  1. Dr. Simberg,

    I am new to Transterrestrial Musings. I actually discovered your book first, and it led me to your blog.

    1. I’m bringing my copy of Safe is Not an Option with me and I’d like to make it signed if you are amenable.

    2. If you have not settled upon a speaking topic, may I suggest the following. After reading your text (twice), I’m somewhat confused about what are and are not appropriate parallels to draw between commercial spaceflight and commercial aviation. For example, you cite that it is inappropriate to mandate separate crew and cargo spacecrafts as cargo and persons travel together frequently by air.

    This misunderstanding is in no way due to your writing – I’m a non-Native English speaker and layperson in the subject of commercial spaceflight.

    Vielen Dank,
    Mark

    1. Yes, Markus, I’d be happy to sign the book. I’ll probably be doing a book signing, since it will be the first Space Access meeting since the book came out. However, I’m not sure I understand your question, or its scope. What parallels are appropriate to draw between the two is a very broad subject.

      1. Thank you for the prompt reply. I will try to find some concrete examples this week, though more likely it was a bad suggestion on my part.

        Auf wieder schreiben,
        Mark

  2. While you’re there, you might mention a bizarre idea I came up with in a Selenian Boondocks thread last week, which started out in a discussion for a concept for a tether rocket. I ended up accidentally hijacking the thread with a method of raising and lowering the orbits of satellites without expending any fuel at all, which would allow the staging of propellant depots in high Earth orbit without incurring the large mass ratio penalty, and without using tethers. On the downside, it takes two satellites in opposite orbits, and the closing velocities will be scary.

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