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  1. Path: sparky!uunet!ogicse!das-news.harvard.edu!cantaloupe.srv.cs.cmu.edu!crabapple.srv.cs.cmu.edu!roberts@cmr.ncsl.nist.gov
  2. From: roberts@cmr.ncsl.nist.gov (John Roberts)
  3. Newsgroups: sci.space
  4. Subject: Re: ground vs. flight
  5. Message-ID: <BzvsK1.LBv.1@cs.cmu.edu>
  6. Date: 26 Dec 92 19:23:45 GMT
  7. Article-I.D.: cs.BzvsK1.LBv.1
  8. Sender: news+@cs.cmu.edu
  9. Distribution: sci
  10. Organization: National Institute of Standards and Technology formerly National Bureau of Standards
  11. Lines: 19
  12. Approved: bboard-news_gateway
  13. X-Added: Forwarded by Space Digest
  14. Original-Sender: isu@VACATION.VENARI.CS.CMU.EDU
  15.  
  16.  
  17. -From: henry@zoo.toronto.edu (Henry Spencer)
  18. -Subject: Re: ground vs. flight
  19. -Date: 24 Dec 92 06:05:43 GMT
  20.  
  21. -In article <=hv29vp@rpi.edu> strider@clotho.acm.rpi.edu (Greg Moore) writes:
  22. -...
  23. ->    Also, given that the bottom of the shuttle is covered with
  24. ->tile, can the orbiter exert a Y+ (i.e. vertically up) translation?
  25.  
  26. -There aren't any RCS nozzles on the orbiter's belly, but both the forward
  27. -and aft RCS systems have nozzles angled down so that they can (somewhat
  28. -inefficiently) thrust upward.
  29.  
  30. I believe that capability was used extensively during the Intelsat capture
  31. this year.
  32.  
  33. John Roberts
  34. roberts@cmr.ncsl.nist.gov
  35.