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Re: starship-design: RE: Television Starships

At 11:21 AM 10/31/96, David Levine wrote:
>Yes, what you mention about small spinning ships is true.
>One way around this is to divide the ship into two sections,
>separate them on a tether, and spin the whole system.
>The tether could be however long you want it.  You could
>have an elevator running along the length of the tether, etc.
>No, the mailing list is for everyone - I don't think there are
>many aerospace engineers at all!

Well their are a few ex NASA folks.  But we have a bit of everything and
are quite informal, and undisaplined.

As to a teather.  At higher speeds the teather has problems with erosion,
and radiation.  The later is a big issue for passengers in the transfer


>I don't remember the subscribe text, but my guess is you
>send email to majordomo@darkwing.uoregon.edu with
>the phrase "susbcribe starship-design" in the body of the
>>From: 	Duncan McKenzie[SMTP:duncan@mail.cable.com]
>>Sent: 	Thursday, October 31, 1996 6:11 AM
>>To: 	David Levine
>>Subject: 	Re: Television Starships
>>Hi David
>>Thanks for your help on this.
>>I would actually be interested in joining your mailing list (partly
>>because of this project, but also because I'm interested in the
>>subject). Is it just for professional aerospace engineers, or are
>>laypersons also welcome?
>>> There are, however, other ways to
>>> produce gravity.
>>I considered a spinning ship (or section thereof) for this project,
>>but it seemed to me that either the ship would have to be very large
>>(which goes against the dramatic goal of making it feel very
>>confined), or the floors would be very curved (to avoid objects
>>rolling off to the corners). Also, I had a hunch that a smaller,
>>fast-spinning ship might lead to health problems, since the
>>"downward" pull on the blood in the feet would be significantly less
>>than the pull on the blood in the brain.

Whatever spins should be 600 feet across or so.  Smaller and you could get
motion sick from the rotation rates.  As long as the load on your body is
about 1G the rest of your body is happy.  Given the huge bulk of fuel
needed for a flight, thats not hard to come up with.  You could spin the
ship end over end?  A lot depends on the engines you want to assume.  Which
is why thats still a big argument for us.

>>Are there other ways? (Other than, say, Velcro shoes)
>>Thanks again for your help.


Kelly Starks                    Phone: (219) 429-7066    Fax: (219) 429-6859
Sr. Systems Engineer                                     Mail Stop: 10-39
Hughes defense Communications
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