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Re: Towards routine, reusable space launch.

From Greg Goss <gossg@gossg.org>
Newsgroups sci.space.policy, sci.physics, rec.arts.sf.science
Subject Re: Towards routine, reusable space launch.
Date 2018-06-19 21:27 -0600
Message-ID <fotvt6Fru7cU2@mid.individual.net> (permalink)
References <k4jmhddske1ucrd72mv5qe88nbeu8stf2r@4ax.com> <MPG.358d7374d12be325989ad4@news.eternal-september.org> <pg1hm3$3ke$1@dont-email.me> <pg1l1n$440$2@gioia.aioe.org> <P4cWC.157308$np1.150251@fx06.iad>

Cross-posted to 3 groups.

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mvp@web1.calweb.com (Mike Van Pelt) wrote:

>In article <pg1l1n$440$2@gioia.aioe.org>, Sergio  <invalid@invalid.com> wrote:
>>how about a Space Slingshot ?
>
>Do you mean a rotating skyhook?
>
>Some of those ideas are ... intriguing.  And have much less
>stringent requirements on materials.

A rotating skyhook needs to restore energy after passing a ship
upwards.  Either it needs at least as much returning mass as
departing, or needs (maybe electric ion) booster to retain station.
-- 
We are geeks.  Resistance is voltage over current.

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Thread

Re: Towards routine, reusable space launch. Doc O'Leary  <droleary@2017usenet1.subsume.com> - 2018-06-11 22:18 +0000
  Re: Towards routine, reusable space launch. Fred J. McCall <fjmccall@gmail.com> - 2018-06-11 20:52 -0700
  Re: Towards routine, reusable space launch. Jeff Findley <jfindley@cinci.nospam.rr.com> - 2018-06-12 06:34 -0400
    Re: Towards routine, reusable space launch. Doc O'Leary  <droleary@2017usenet1.subsume.com> - 2018-06-12 14:36 +0000
      Re: Towards routine, reusable space launch. Fred J. McCall <fjmccall@gmail.com> - 2018-06-12 14:29 -0700
      Re: Towards routine, reusable space launch. Jeff Findley <jfindley@cinci.nospam.rr.com> - 2018-06-12 19:00 -0400
        Re: Towards routine, reusable space launch. JF Mezei <jfmezei.spamnot@vaxination.ca> - 2018-06-13 02:15 -0400
          Re: Towards routine, reusable space launch. Fred J. McCall <fjmccall@gmail.com> - 2018-06-13 01:27 -0700
          Re: Towards routine, reusable space launch. Jeff Findley <jfindley@cinci.nospam.rr.com> - 2018-06-13 06:46 -0400
            Re: Towards routine, reusable space launch. JF Mezei <jfmezei.spamnot@vaxination.ca> - 2018-06-13 16:28 -0400
              Re: Towards routine, reusable space launch. Fred J. McCall <fjmccall@gmail.com> - 2018-06-13 14:38 -0700
              Re: Towards routine, reusable space launch. Jeff Findley <jfindley@cinci.nospam.rr.com> - 2018-06-14 05:22 -0400
                Re: Towards routine, reusable space launch. JF Mezei <jfmezei.spamnot@vaxination.ca> - 2018-06-14 15:44 -0400
                Re: Towards routine, reusable space launch. Jeff Findley <jfindley@cinci.nospam.rr.com> - 2018-06-15 07:52 -0400
                Re: Towards routine, reusable space launch. JF Mezei <jfmezei.spamnot@vaxination.ca> - 2018-06-15 21:33 -0400
                Re: Towards routine, reusable space launch. Jeff Findley <jfindley@cinci.nospam.rr.com> - 2018-06-16 10:38 -0400
                Re: Towards routine, reusable space launch. JF Mezei <jfmezei.spamnot@vaxination.ca> - 2018-06-16 17:51 -0400
                Re: Towards routine, reusable space launch. Fred J. McCall <fjmccall@gmail.com> - 2018-06-17 02:16 -0700
                Re: Towards routine, reusable space launch. JF Mezei <jfmezei.spamnot@vaxination.ca> - 2018-06-17 15:49 -0400
                Re: Towards routine, reusable space launch. Jeff Findley <jfindley@cinci.nospam.rr.com> - 2018-06-17 16:52 -0400
                Re: Towards routine, reusable space launch. JF Mezei <jfmezei.spamnot@vaxination.ca> - 2018-06-18 02:44 -0400
                Re: Towards routine, reusable space launch. Fred J. McCall <fjmccall@gmail.com> - 2018-06-18 00:05 -0700
                Re: Towards routine, reusable space launch. JF Mezei <jfmezei.spamnot@vaxination.ca> - 2018-06-18 14:27 -0400
                Re: Towards routine, reusable space launch. Fred J. McCall <fjmccall@gmail.com> - 2018-06-18 19:39 -0700
                Re: Towards routine, reusable space launch. Fred J. McCall <fjmccall@gmail.com> - 2018-06-17 18:26 -0700
        Re: Towards routine, reusable space launch. Doc O'Leary  <droleary@2017usenet1.subsume.com> - 2018-06-13 12:57 +0000
          Re: Towards routine, reusable space launch. Fred J. McCall <fjmccall@gmail.com> - 2018-06-13 14:35 -0700
            Re: Towards routine, reusable space launch. JF Mezei <jfmezei.spamnot@vaxination.ca> - 2018-06-13 17:55 -0400
              Re: Towards routine, reusable space launch. Fred J. McCall <fjmccall@gmail.com> - 2018-06-13 21:44 -0700
              Re: Towards routine, reusable space launch. Doc O'Leary  <droleary@2017usenet1.subsume.com> - 2018-06-14 22:02 +0000
            Re: Towards routine, reusable space launch. Alain Fournier <alain245@videotron.ca> - 2018-06-13 19:39 -0400
              Re: Towards routine, reusable space launch. Fred J. McCall <fjmccall@gmail.com> - 2018-06-13 21:53 -0700
                Re: Towards routine, reusable space launch. Alain Fournier <alain245@videotron.ca> - 2018-06-14 19:46 -0400
                Re: Towards routine, reusable space launch. Jeff Findley <jfindley@cinci.nospam.rr.com> - 2018-06-15 07:56 -0400
                Re: Towards routine, reusable space launch. Alain Fournier <alain245@videotron.ca> - 2018-06-15 19:21 -0400
                Re: Towards routine, reusable space launch. Sergio <invalid@invalid.com> - 2018-06-15 19:18 -0500
                Re: Towards routine, reusable space launch. Alain Fournier <alain245@videotron.ca> - 2018-06-15 21:05 -0400
                Re: Towards routine, reusable space launch. Jeff Findley <jfindley@cinci.nospam.rr.com> - 2018-06-16 10:06 -0400
                Re: Towards routine, reusable space launch. Alain Fournier <alain245@videotron.ca> - 2018-06-16 13:21 -0400
                Re: Towards routine, reusable space launch. Jeff Findley <jfindley@cinci.nospam.rr.com> - 2018-06-16 13:57 -0400
                Re: Towards routine, reusable space launch. Alain Fournier <alain245@videotron.ca> - 2018-06-16 14:19 -0400
                Re: Towards routine, reusable space launch. mvp@web1.calweb.com (Mike Van Pelt) - 2018-06-19 18:38 +0000
                Re: Towards routine, reusable space launch. Greg Goss <gossg@gossg.org> - 2018-06-19 21:27 -0600
                Re: Towards routine, reusable space launch. JF Mezei <jfmezei.spamnot@vaxination.ca> - 2018-06-15 22:13 -0400
                Re: Towards routine, reusable space launch. Fred J. McCall <fjmccall@gmail.com> - 2018-06-15 20:34 -0700
                Re: Towards routine, reusable space launch. Alain Fournier <alain245@videotron.ca> - 2018-06-16 09:54 -0400
                Re: Towards routine, reusable space launch. Sergio <invalid@invalid.com> - 2018-06-18 13:45 -0500
                Re: Towards routine, reusable space launch. Alain Fournier <alain245@videotron.ca> - 2018-06-18 21:06 -0400
                Re: Towards routine, reusable space launch. Fred J. McCall <fjmccall@gmail.com> - 2018-06-18 20:00 -0700
                Re: Towards routine, reusable space launch. Alain Fournier <alain245@videotron.ca> - 2018-06-19 19:45 -0400
                Re: Towards routine, reusable space launch. JF Mezei <jfmezei.spamnot@vaxination.ca> - 2018-06-19 22:12 -0400
                Re: Towards routine, reusable space launch. Alain Fournier <alain245@videotron.ca> - 2018-06-20 20:21 -0400
                Re: Towards routine, reusable space launch. Fred J. McCall <fjmccall@gmail.com> - 2018-06-20 17:13 -0700
                Re: Towards routine, reusable space launch. Alain Fournier <alain245@videotron.ca> - 2018-06-20 20:34 -0400
                Re: Towards routine, reusable space launch. Jeff Findley <jfindley@cinci.nospam.rr.com> - 2018-06-21 06:26 -0400
                Re: Towards routine, reusable space launch. Steve Carroll <frelwizzen@gmail.com> - 2018-06-21 03:48 -0700
                Re: Towards routine, reusable space launch. JF Mezei <jfmezei.spamnot@vaxination.ca> - 2018-06-21 13:35 -0400
                Re: Towards routine, reusable space launch. Alain Fournier <alain245@videotron.ca> - 2018-06-21 20:57 -0400
                Re: Towards routine, reusable space launch. Sergio <invalid@invalid.com> - 2018-06-21 23:22 -0500
                Re: Towards routine, reusable space launch. Jeff Findley <jfindley@cinci.nospam.rr.com> - 2018-06-22 07:18 -0400
                Re: Towards routine, reusable space launch. JF Mezei <jfmezei.spamnot@vaxination.ca> - 2018-06-22 17:45 -0400
                Re: Towards routine, reusable space launch. Alain Fournier <alain245@videotron.ca> - 2018-06-22 19:58 -0400
                Re: Towards routine, reusable space launch. JF Mezei <jfmezei.spamnot@vaxination.ca> - 2018-06-23 03:39 -0400
                Re: Towards routine, reusable space launch. Jeff Findley <jfindley@cinci.nospam.rr.com> - 2018-06-23 08:38 -0400
                Re: Towards routine, reusable space launch. JF Mezei <jfmezei.spamnot@vaxination.ca> - 2018-06-23 17:18 -0400
                Re: Towards routine, reusable space launch. Alain Fournier <alain245@videotron.ca> - 2018-06-23 09:58 -0400
                Re: Towards routine, reusable space launch. Sergio <invalid@invalid.com> - 2018-06-24 00:53 -0500
                Re: Towards routine, reusable space launch. Jeff Findley <jfindley@cinci.nospam.rr.com> - 2018-06-23 08:34 -0400
                Re: Towards routine, reusable space launch. Sergio <invalid@invalid.com> - 2018-06-18 22:17 -0500
                Re: Towards routine, reusable space launch. Fred J. McCall <fjmccall@gmail.com> - 2018-06-19 00:45 -0700
                Re: Towards routine, reusable space launch. Sergio <invalid@invalid.com> - 2018-06-19 15:58 -0500
                Re: Towards routine, reusable space launch. Fred J. McCall <fjmccall@gmail.com> - 2018-06-19 14:38 -0700
                Re: Towards routine, reusable space launch. Sergio <invalid@invalid.com> - 2018-06-20 15:42 -0500
                Re: Towards routine, reusable space launch. JF Mezei <jfmezei.spamnot@vaxination.ca> - 2018-06-20 16:58 -0400
                Re: Towards routine, reusable space launch. Thomas Koenig <tkoenig@netcologne.de> - 2018-06-25 20:44 +0000
                Re: Towards routine, reusable space launch. Fred J. McCall <fjmccall@gmail.com> - 2018-06-20 17:07 -0700
                Re: Towards routine, reusable space launch. Sergio <invalid@invalid.com> - 2018-06-21 23:24 -0500
                Re: Towards routine, reusable space launch. Fred J. McCall <fjmccall@gmail.com> - 2018-06-21 21:38 -0700
                Re: Towards routine, reusable space launch. Greg Goss <gossg@gossg.org> - 2018-06-19 21:35 -0600
                Re: Towards routine, reusable space launch. Thomas Koenig <tkoenig@netcologne.de> - 2018-06-19 17:01 +0000
                Re: Towards routine, reusable space launch. Sergio <invalid@invalid.com> - 2018-06-21 22:39 -0500
              Re: Towards routine, reusable space launch. "reber G=emc^2" <herbertglazier0@gmail.com> - 2018-06-14 15:39 -0700
                Re: Towards routine, reusable space launch. "hanson" <hanson@quick.net> - 2018-06-14 15:53 -0700
          Re: Towards routine, reusable space launch. Jeff Findley <jfindley@cinci.nospam.rr.com> - 2018-06-14 04:47 -0400

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