Check this out

Space/Science » in reply to I wasn't talking about manned launches.

Check this out

LJK — 12/28/2005 7:37:30 PM (archived)

From the Artemis Project - Launch from Luna:

http://www.asi.org/adb/02/10/

In the 1970s, when Gerard O'Neil envisioned his massive orbital colonies, using an accelerator to sling materials from the lunar surface to the space colonies was part of the plan. See here:

http://www.ssi.org/

The whole thread (18 posts)

An idea for magnetic acceleration from the Moon. - Lee - 12/28/2005 6:32:39 AM
- How many people think that a "spring" will get us into mspace... ? - nick hoffman - 12/28/2005 4:21:25 PM
  - In all fairness... - alcaray - 12/28/2005 5:09:04 PM
    - I wasn't talking about manned launches. - Lee - 12/28/2005 6:35:17 PM
      - Whatever you were talking about... - nick hoffman - 12/29/2005 3:24:12 AM
        
        Small whoops - nick hoffman - 12/29/2005 3:26:43 AM
        
        For raw materials like minerals and ice... - Tom Brosz - 12/29/2005 3:53:27 AM
        
        not a ludicrous idea? - nick hoffman - 12/29/2005 5:10:09 AM
      - Check this out - LJK - 12/28/2005 7:37:30 PM
        
        A trebuchet would be a lot easier to aim than a inline mass driver. - Lee - 12/28/2005 9:19:50 PM
        
        Moving parts. Bearings. Metal under stress. (n/t) - alcaray - 12/28/2005 9:50:32 PM
        
        Magnetic bearings. - Lee - 12/29/2005 1:04:52 AM
        
        I don't think that a magnet strong enough to suspend your lever arm against that force... - alcaray - 12/29/2005 4:38:44 PM
        
        Maybe. - Lee - 12/30/2005 4:31:29 AM
- linear accelerator is much better (n/t) - alcaray - 12/28/2005 3:49:35 PM
- trivial - nick hoffman - 12/28/2005 2:52:07 PM
  - re: From the Moon - Raoul - 12/28/2005 6:09:14 PM
    - 0.5 g for how long? - nick hoffman - 12/29/2005 3:30:59 AM

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