Return-path: X-Andrew-Authenticated-as: 7997;andrew.cmu.edu;Ted Anderson Received: from beak.andrew.cmu.edu via trymail for +dist+/afs/andrew.cmu.edu/usr11/tm2b/space/space.dl@andrew.cmu.edu (->+dist+/afs/andrew.cmu.edu/usr11/tm2b/space/space.dl) (->ota+space.digests) ID ; Fri, 13 Jul 1990 01:33:26 -0400 (EDT) Message-ID: Precedence: junk Reply-To: space+@Andrew.CMU.EDU From: space-request+@Andrew.CMU.EDU To: space+@Andrew.CMU.EDU Date: Fri, 13 Jul 1990 01:32:46 -0400 (EDT) Subject: SPACE Digest V12 #56 SPACE Digest Volume 12 : Issue 56 Today's Topics: Solar System Exploration Committee Re: buying Soyuzes Re: Oppose manned Mars exploration -- support robotics Re: buying Soyuzes Re: not enough scientists/engineers/technician types Re: LOOK FOR (SOVIET) UNION LABEL Re: man-rated expendables Re: NASA's lobbying on the net Re: buying Soyuzes Administrivia: Submissions to the SPACE Digest/sci.space should be mailed to space+@andrew.cmu.edu. Other mail, esp. [un]subscription notices, should be sent to space-request+@andrew.cmu.edu, or, if urgent, to tm2b+@andrew.cmu.edu ---------------------------------------------------------------------- Date: 12 Jul 90 04:13:48 GMT From: mnetor!utzoo!henry@uunet.uu.net (Henry Spencer) Subject: Solar System Exploration Committee Several people have asked about references to the Solar System Exploration Committee reports I alluded to. They've produced several over the years (e.g. a recent one, that I haven't read yet, on planetary astronomy), but the biggie is the first one: Planetary Exploration Through Year 2000 A Core Program part one of a report by the Solar System Exploration Committee of the NASA Advisory Council US Government, 1983 No ISBN, the US government doesn't believe in them. No, I don't have a price, I got mine free (and the price would be years out of date anyway). Order (if it's still in print) from Superintendent of Documents US Government Printing Office Washington, DC 20402 This is a remarkable report, and makes thoroughly depressing reading now. It sketches out what *should* have been done to reform the planetary program in the wake of Galileo (the Project That Ate Everyone's Lunch). In case you haven't guessed, lip service was paid to most of it but essentially none of it was implemented. -- NFS: all the nice semantics of MSDOS, | Henry Spencer at U of Toronto Zoology and its performance and security too. | henry@zoo.toronto.edu utzoo!henry ------------------------------ Date: 12 Jul 90 17:15:04 GMT From: mojo!SYSMGR%KING.ENG.UMD.EDU@mimsy.umd.edu (Doug Mohney) Subject: Re: buying Soyuzes In article <11242@hydra.gatech.EDU>, ccoprmd@prism.gatech.EDU (Matthew DeLuca) writes: > >And then this large, unproven (total of two flights to date, I believe) >rocket blows up, taking half your space station with it. A) I mentioned this, and B) If they trust Buran and their cargo with it, why shouldn't we? I guess it's cuz they're Foreigners, eh? ------------------------------ Date: 12 Jul 90 17:24:00 GMT From: usc!samsung!uakari.primate.wisc.edu!sdd.hp.com!apollo!rehrauer@ucsd.edu (Steve Rehrauer) Subject: Re: Oppose manned Mars exploration -- support robotics In article <1990Jul10.181209.2729@maverick.ksu.ksu.edu> jerry@matt.ksu.ksu.edu (Jerry Anderson) writes: >In article <33656@ut-emx.UUCP> rdd@walt.cc.utexas.edu (Robert Dorsett) writes: >> This is not an "automation vs. humanity" debate. The >>issue is what we can accomplish with a given number of dollars. > >I strongly disagree. It is not a question of what can be done with the >money available, it is a question of fighting for more money. As long as >there is no manned presence in space, the space budget will dwindle year >after year. > >Nobody gets excited when a vacuum cleaner lands on Mars. If you want money, >get a live TV broadcast of Colonel Joe Middleamerica planting the U.S. flag >on Mars - in living color and during prime time. I beg to disagree with your disagreement. :-) The majority of Americans are interested in being entertained, and little else. "People In Space" will be entertaining for a limited time, until something flashier competes for the public attention-span. The Apollo program trailed away because it became non-entertaining to the majority. Programs which don't entertain or get someone re-elected or line someone's pockets have no political reason to exist. There will always be some amount of money available for that most non-entertaining of endeavors, "pure science"; usually because it's relatively cheap by U.S. budgetary standards. (I.e.: it seems to more or less slip through the cracks -- too small to be worth the effort to kill.) Anyone who proposes an American manned space-presence should, I think, be willing to guarantee steady financial profits, or failing that, to have a detailed script for how the program will entertain. Entertainment must be continuous; promises of One Big Entertaining Event 20 years from now wouldn't wash. One uniquely entertaining event per month would suffice, I think. If either profits or entertainment could be guaranteed, then political backing of the high cost of the program would be assured. On the other hand, a steady stream of relatively unambitious, small, "boring pure science" programs can probably be funded essentially forever, with much less risk of cancellation, and at much lower overall cost. The data is obtained, sci.space readers are more/less happy, the politicrits can concentrate on getting re-elected or lining someone's pockets, and the masses can be guaranteed of finding entertainment without paying $400B for it. Note the above diatribe isn't how I wish matters were, just how I perceive them to be. Need I add that I'm a cynic? -- >>"Aaiiyeeee! Death from above!"<< | (Steve) rehrauer@apollo.hp.com "Spontaneous human combustion - what luck!"| Apollo Computer (Hewlett-Packard) ------------------------------ Date: 12 Jul 90 21:34:30 GMT From: mojo!SYSMGR%KING.ENG.UMD.EDU@mimsy.umd.edu (Doug Mohney) Subject: Re: buying Soyuzes In article <11279@hydra.gatech.EDU>, ccoprmd@prism.gatech.EDU (Matthew DeLuca) writes: > >It's the only choice they have for Buran, in the manner that the ET/SRB >assembly is the only choice we have (now...I am aware of various other >schemes in the past) for launching the shuttle. After two flights of the >shuttle, would you have trusted several billions of dollars of equipment >to it? When there's enough flights of Energia to get at least a crude >statistical sample of reliability, I'll consider supporting sending up >U.S. stuff on it...but not until. This isn't worth a flame war. If they're going to stick men and expensive machinery on their booster, that's not trustworthy enough for you? Fine. You want to do the statistics on the number of Shuttle flights it's going to take to put up Freedom piece-by-piece? The GAO has predicted that another shuttle *will* be lost in the next 100 flights of the STS "system," leaving Freedom hanging and unassembable/unmaintainable with 3 Shuttles. At least if Energina goes down, it won't take men with it. ------------------------------ Date: 12 Jul 90 22:43:45 GMT From: hpcc01!hpdmd48!sritacco@hplabs.hpl.hp.com (Steve Ritacco) Subject: Re: not enough scientists/engineers/technician types Hah!!!! You expect someone to actually enjoy their work? I'm in the computer science field because I enjoy it, and what has it gotten me. Employers are reluctant to hire anyone for a job that hasn't done the same job before. Otherwise, could you imagine the risk. Time after time I've seen the same thing. Bored disgusted engineers doing the same thing they have done for years, doing it again. I want new challenges and new things to do but I will never get them. It makes me sick. All the management and accounting solely concerned with safety. No one is doing anything new! Give me a chance to work on a space program related project. Of course no one would, I haven't done it before. Corporate America is set up to discourage people like me, and turn me into people like them. It hasn't worked so far, and I hope it never does. I push on, and will continue to work toward creating opportunities for myself, but the system stinks! Sorry, but I had to get that off my chest. ------------------------------ Date: 12 Jul 90 17:46:52 GMT From: mojo!SYSMGR%KING.ENG.UMD.EDU@mimsy.umd.edu (Doug Mohney) Subject: Re: LOOK FOR (SOVIET) UNION LABEL In article <90193.071857GIPP@GECRDVM1.BITNET>, GIPP@gecrdvm1.crd.ge.com writes: > SERIOUSLY FOLKS, BUY SOYUZ? GET REAL. I'D LIKE TO HEAR MY >CONGRESSPERSON TRY SAYING: WE CAN'T DO IT, THEY CAN, SO WE'RE >BUYING FOREIGN. THE HECK WITH THE TRADE DEFICIT, THE HECK WITH >JOBS CREATED BY RESEARCHING AND BUILDING OUR OWN. Ah, but what a wonderufully elegant way to provide hard cash to the Soviet Union. And we aren't "loaning" them anything, but getting reasonable goods for our dollars. Sounds decent to me. Beats the hell out of throwing dollars at them. And we'd save money through competition between Soviet and U.S. companies (you think Heavy Lift Titan/Delta is cheap now...) > MORE REASONS WHY WE CAN'T BUY SOYUZ: > WHO KNOWS IF THE USSR IS GOING TO BE AROUND IN A COUPLE >YEARS, OR IF THEY ARE STILL GOING TO BE IN THE SPACE BUSINESS. They will be. It's one of the few things they do well at, and have more experience than the U.S. in. > NOT TOO LONG AGO, WHEN SOVIET BASHING WAS IN (AND NASA/ >SHUTTLE BASHING NOT YET BIGTIME) THE BIG PROPAGANDA WAS THAT >EVERYTHING THEY DID WAS CRUDE AND UNRELIABLE (BEFORE I GET A >MILLION RESPONSES, Crude, yes. The electronics aren't as nice, the interiors aren't as pretty, but they work. ------------------------------ Date: 12 Jul 90 16:52:00 GMT From: usc!wuarchive!mailrus!news-server.csri.toronto.edu!utgpu!utzoo!henry@ucsd.edu (Henry Spencer) Subject: Re: man-rated expendables In article <00939854.70264EE0@KING.ENG.UMD.EDU> sysmgr@KING.ENG.UMD.EDU (Doug Mohney) writes: >>>I'll wait til the successors of the X-30 go up. >>You may spend the rest of your life on the ground if you wait for that. > >Fat chance, unless I die within 10-15 years. Um, not to be rude or anything... but *what* have you been smoking? There is *no* chance that the X-30's successors will be flying in that time span. None, zero. If the X-30 were on its original schedule, there would be an outside chance of it. But its schedule has slipped drastically and its funding has slipped even worse. DoD has completely lost interest. NASA is interested but does not give it a high priority. That program is hanging on by its fingernails... and this is as a study program, before the big funding jump to start bending metal. I would give the program only a 50-50 chance of ever flying anything, and very little chance of doing so this decade. Even if there are no further schedule slips and all the necessary money comes through, first flight won't be much before the end of the decade. Given the plan for gradual working-up during flight tests, it will be several years after first flight before anyone is confident enough to seriously contemplate a Mark Two, even assuming that the X-30 works! And then there will be the questions of schedule and funding for the Mark Two. And *then* there will be the question of whether you and I can fly on the Mark Two. Don't bet on it. Given lack of military interest, odds are good that there will be only a handful of them, operated by NASA, much like the current shuttle fleet... and while NASA is determined to stay in the trucking business, they have made it quite clear that they are *not* in the passenger business. >>Incidentally, what makes you think the X-30 is less vulnerable to "major >>malfunctions" than rockets? At least the rocket technology is something >>vaguely resembling mature. > >A) It's not SRB powered, B) It'll have an ejection seat C) It's more likely to >be able to "fly back"... A. There is far more flight experience with SRBs than with the weird things the X-30 will be using for propulsion. In case you haven't noticed, high-performance aircraft crash a lot. Even fairly mundane jet fighters are routinely bought in numbers which include allowances for "attrition". B. The best current ejection seats are good up to about Mach 3. None of them is rated for Mach 5, much less Mach 20. If you listen to the tapes of the first few shuttle flights, quite early in the SRB burn you'll hear ground control say "negative seats". That means "the warranty on your ejection seats is void if you use them after this point". (In case you're wondering, Columbia had ejection seats for its two-man crew during the official "test" flights, the first four.) C. You obviously haven't heard of "black zones". Once the shuttle sheds its SRBs, its worries are over, right? Wrong. There are portions of post-SRB flight where, if more than one main engine fails, the crew is dead. The orbiter hits atmosphere at too steep an angle and burns up. Lose power in an X-30 and the same thing might well happen. Max Hunter (designer of the Thor/Delta, the man behind SSX) has observed that fighting aerodynamic forces in the atmosphere is *much* harder than simply climbing up out of it and doing your accelerating in vacuum. The X-30 gets the worst of both worlds: high speed in significant air. As Challenger showed, going out of control at hypersonic speed can be fatal very quickly. (The orbiter broke up from aerodynamic forces, not from the "explosion".) -- NFS: all the nice semantics of MSDOS, | Henry Spencer at U of Toronto Zoology and its performance and security too. | henry@zoo.toronto.edu utzoo!henry ------------------------------ Date: 12 Jul 90 21:56:22 GMT From: voder!dtg.nsc.com!alan@ucbvax.Berkeley.EDU (Alan Hepburn) Subject: Re: NASA's lobbying on the net In article shafer@skipper.dfrf.nasa.gov (Mary Shafer) writes: >In article <9007112052.AA24159@ibmpa.paloalto.ibm.com> szabonj@ibmpa.UUCP (Nicholas J. Szabo) writes: > > Look, I am not trying to be a grinch here, I just want to point out > that this is an unfair situation for other government agencies and > private companies, and that some (only a small fraction, actually, > but NASA posts quite a lot) of the posts have been legally and ethically > questionable. I certainly don't want to discourage Ron Baalke et. al. > from their informative, valuable postings. A agree with Tom Neff that > it would be a great loss if sci.space lost these postings. But I > strongly disagree that NASA equipment should be used for promoting the > agency. > >Fine. That's it, I'm out of here. > >Those of you who want to see the Shuttle land, ask Nick for passes. >He's the authority, apparently. > >-- >Mary Shafer shafer@skipper.dfrf.nasa.gov ames!skipper.dfrf.nasa.gov!shafer > NASA Ames Dryden Flight Research Facility, Edwards, CA > Of course I don't speak for NASA > "A MiG at your six is better than no MiG at all"--Unknown US fighter pilot I sincerely hope you continue your postings, Mary. I for one have enjoyed them and have learned a lot from them. I wonder if Nicholas has problem with using IBM equipment for his postings. If he were to only post from his home, I could see (almost) his point about using company equipment. But when his path includes a "ibm.com", I find it hard to take him seriously. Besides, what's wrong with a little bit of "horn-blowing" if you're proud of the company you work for? Don't desert us, Mary. Just put good ole Nick in a kill file. -- Alan Hepburn "The little I know I owe to my ignorance." mail: alan@spitfire.nsc.com - Sacha Guitry ------------------------------ Date: 12 Jul 90 22:55:11 GMT From: mephisto!prism!ccoprmd@rutgers.edu (Matthew DeLuca) Subject: Re: buying Soyuzes In article <00939925.AED37600@KING.ENG.UMD.EDU> sysmgr@KING.ENG.UMD.EDU (Doug Mohney) writes: > This isn't worth a flame war. If they're going to stick men >and expensive machinery on their booster, that's not trustworthy enough for >you? I will say this one last time; *when* they demonstrate that it is reliable, I will be happy enough to trust my multi-billion dollar load of equipment to it. They have yet to send people up on it, via Buran. When I see them do that, I will believe that they have some faith in their system. When it flies a dozen times or so, I will believe it is reliable. Until then, no. If you don't understand what I am saying, please contact me via e-mail. -- Matthew DeLuca Georgia Institute of Technology Do not meddle in the affairs of wizards, Office of Information Technology for they are subtle, and quick to anger. Internet: ccoprmd@prism.gatech.edu ------------------------------ End of SPACE Digest V12 #56 *******************