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1993-07-13
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Date: Sat, 15 May 93 05:08:09
From: Space Digest maintainer <digests@isu.isunet.edu>
Reply-To: Space-request@isu.isunet.edu
Subject: Space Digest V16 #573
To: Space Digest Readers
Precedence: bulk
Space Digest Sat, 15 May 93 Volume 16 : Issue 573
Today's Topics:
60 Seconds of Zero Gee (Was: F-106)
Any interest in launching with Cosmos ?
ASTRONAUTS---What does weightlessness feel like?
DC-X update
Draft of SSTO report language
DROP
Excess Shuttle criticism was Re: Shuttle 0-Defects & Bizarre? DC
Galileo Update - 05/13/93
HST Servicing Mission Scheduled for 11 Days
Infinitely old Universe (was Re: Life on Mars.)
Interesting DC-X cost anecdote
Life on Mars. (2 msgs)
Long term Human Missions
Manned Zonds, etc.
One Small Step for a Space Activist... Vol 4 No 5
Over zealous shuttle critics
Radiation Hard Electronic Components
Space books from Krieger
Why we like DC-X (was Re: Shuttle 0-Defects & Bizarre? DC-X?) (2 msgs)
Welcome to the Space Digest!! Please send your messages to
"space@isu.isunet.edu", and (un)subscription requests of the form
"Subscribe Space <your name>" to one of these addresses: listserv@uga
(BITNET), rice::boyle (SPAN/NSInet), utadnx::utspan::rice::boyle
(THENET), or space-REQUEST@isu.isunet.edu (Internet).
----------------------------------------------------------------------
Date: 11 May 93 23:04:38
From: Wales.Larrison@ofa123.fidonet.org
Subject: 60 Seconds of Zero Gee (Was: F-106)
Newsgroups: sci.space
(Claudio Oliveira Egalon) asks:
> Sometime ago I read in a NASA pamphlet, that there is a jet (I
>guess it is the jet F-105, please correct me if I am wrong) which
>can maneuver to produce up to 60 seconds of low gravity. I am
>wondering if this jet is still flying and which NASA Center keeps
>it. Also how many people does it carry and how many parabolic
>maneuvers it can perform.
[Numerous random comments deleted...]
I'm surprized no one bothered to check the local reference
library -- are libraries now so old-fashioned that folks don't know
how to use one to look up information anymore?
From "Accessing Space 1990: A Catalogue of Process, Equipment,
and Resources for Commercial Users". Published by NASA, Office of
Commercial Programs, Dec 1990. From Chapter 7 "Airborne
Facilities"
The F-104 is a modified supersonic, 2-man jet fighter. By
flying a parabolic trajectory between 25,000 and 65,000 feet, it
is capable of a variable low-g period of approximately 60 seconds.
The experiment package must be capable of surviving a 3-g
acceleration and is restricted in size and weight by the F-104's
small experimental compartment. The equipment is limited in
volume to an area 10 inches by 15 inches by 21 inches and in
weight to 35 pounds. All equipment is restrained during flight
and not accessible after 30 minutes before takeoff; therefore,
all experiments must be fully automated except for on-off
functions and limited to one parabolic maneuver per flight.
[Figure showing typical reduced gravity vs time plot]
Contact: NASA/Marshall Spaceflight Center
Microgravity Projects, Code JA81
Marshall Spaceflight Center, AL 36812
(205) 544-0196
This catalog also contains thumbnail specs and capabilities
of balloons, other aircraft (Learjet, KS-135, etc), and the Balloon-
Borne Drop Capsule MIKROBA. It's a commercially available drop
capsule, dropped from a balloon at about 40-46 km. Drag forces are
countered by a controllable cold gas thrust system to obtain about
60 seconds of 0 +/- 10e-3 g. Contact is James Rand, Winzen
International Inc., 12001 Network Blvd., Suite 200, San Antonio TX
78249 (512) 692-7062.
------------------------------------------------------------------
Wales Larrison Space Technology Investor
--- Maximus 2.01wb
------------------------------
Date: Fri, 14 May 93 22:15:04 BST
From: Ata Etemadi <atae@spva.ph.ic.ac.uk>
Subject: Any interest in launching with Cosmos ?
Newsgroups: sci.space
Drop me a line and I'll send you the users' guide.
--
| Mail Dr Ata Etemadi, Blackett Laboratory, |
| Space and Atmospheric Physics Group, |
| Imperial College of Science, Technology, and Medicine, |
| Prince Consort Road, London SW7 2BZ, ENGLAND |
| Internet/Arpanet/Earn/Bitnet atae@spva.ph.ic.ac.uk or ata@c.mssl.ucl.ac.uk |
| Span SPVA::atae or MSSLC:atae |
| UUCP/Usenet atae%spva.ph.ic@nsfnet-relay.ac.uk |
------------------------------
Date: Fri, 14 May 1993 15:06:56 GMT
From: kjenks@gothamcity.jsc.nasa.gov
Subject: ASTRONAUTS---What does weightlessness feel like?
Newsgroups: sci.space
Pat (prb@access.digex.net) wrote:
: In article <1993May2.015028.1529@nugget.rmNUG.ORG> raptor!rlove (Robert B. Love ) writes:
: |I have over 2 hours in free fall aboard the KC-135 and have
: |participated in the spinning chairs, acceleration sled and electro-shock
: ^^^^^^^^^^^^^^
: |experiments. The immediate panic that goes along with falling
: Most people who do this, don't volunteer for this one.
: Does this say something about NASA employees:-)
: pat
Yup. "I risk my career AND my body for science." We NASA people
sometimes go overboard for space.
-- Ken Jenks, NASA/JSC/GM2, Space Shuttle Program Office
kjenks@gothamcity.jsc.nasa.gov (713) 483-4368
"Nothing in the world can take the place of persistence.
Talent will not; nothing is more common than unsuccessful men
with talent. Genius will not; unrewarded genius is almost a
proverb. Education will not; the world is full of educated
derilicts. Persistence and determination alone are omnipotent.
The slogan 'Press On' has solved and always will solve the
problems of the human race." -- Calvin Coolidge
------------------------------
Date: 14 May 1993 21:03:19 GMT
From: Andy Cohen <Cohen@ssdgwy.mdc.com>
Subject: DC-X update
Newsgroups: sci.space
I heard yesterday that the first static firings are now on for Monday, the
17th... Previous postings on pressure tests for tanks were valid....
Engines were fired up, but not with the vehicle complete nor up to the 65%
scheduled for Monday.......in other words.....3 more days and they rev er
up!
------------------------------
Date: 14 May 1993 15:46:22 -0400
From: Pat <prb@access.digex.net>
Subject: Draft of SSTO report language
Newsgroups: sci.space,talk.politics.space
THe latest mcDac, brochure, which by the way, they couldn't keep enough
of at the AIAA meeting, lists two different vehicle paths to
the delta clipper.
DC-X (which we all know and love by now)
DC-XA ( formerly known as the DC-X') re-usable sounding rocket.
DC-1 ( 25,000 lb to LEO SSRT)
or
DC_X
DC-X2 ( 1,000 lbs to LEO) SSRT demonstrator.
DC-1 ( as above)
both have a specced out now DC-2, 40,000 lb to LEO
medium lifter, and some talk of a DC-3, 100K heavy lifter.
The names keep changing real fast. my theory, is that SDI
will put money into the DC-X, better keep everything
named that way :-)
pat
------------------------------
Date: 14 May 1993 13:37:26 -0400
From: GodTom <gtkurdy@access.digex.net>
Subject: DROP
Newsgroups: sci.space
------------------------------
Date: Fri, 14 May 93 09:49:44 PDT
From: Charlie Prael <dante@shakala.com>
Subject: Excess Shuttle criticism was Re: Shuttle 0-Defects & Bizarre? DC
Newsgroups: sci.space
stephens@geod.emr.ca (Dave Stephenson) writes:
> Thanks, I published an invited editorial on this subject in the
> Interdisciplinary Sciences Review in 1988. It started " Only
> someone from Hi-Tech R&D would walk into the Sistine Chapel look
> up at the roof and say 'What magnificent paints and brushes they
> had.' and went on to mention that in aviation if you are found
> with an adjustable spanner in your tool box you can be fired. An
> adjustable spanner by trying to fit all nuts, fits none of them
> properly, and so damages all of them. In the demanding environment of
> the air the adjustable wrench is rightly considered a lethal instrument.
>
> (A little overdone, but that what editorials are about)
> --
> Dave Stephenson
> Geological Survey of Canada
> Ottawa, Ontario, Canada *Om Mani Padme Hum 1-2-3*
> Internet: stephens@geod.emr.ca
Yeah, a little overdone. But it *does* get the point across.
<s>
Actually, a specialist craft of the right type will be more adaptable
than any generalist craft would be. You've already refined most of the
performance issues, and you're just adapting certain internal parameters.
------------------------------------------------------------------
Charlie Prael - dante@shakala.com
Shakala BBS (ClanZen Radio Network) Sunnyvale, CA +1-408-734-2289
------------------------------
Date: Fri, 14 May 1993 16:18:27 GMT
From: Conor O'Neill <conor@cheetah.inmos.co.uk>
Subject: Galileo Update - 05/13/93
Newsgroups: sci.space,sci.astro,alt.sci.planetary
In article <13MAY199322520376@kelvin.jpl.nasa.gov> baalke@kelvin.jpl.nasa.gov (Ron Baalke) writes:
>SPECIAL TOPIC
>
>1. As of May 13, 1993, a total of 70261 real-time commands have been
>transmitted to Galileo since Launch. Of these, 65152 were initiated in the
[ etc ]
Am I the only person who doesn't find this particular topic very special?
---
Conor O'Neill, Software Group, INMOS Ltd., UK. conor@inmos.co.uk
"It's state-of-the-art" "But it doesn't work!" "That is the state-of-the-art".
------------------------------
Date: Fri, 14 May 1993 21:30:44 GMT
From: dempsey@stsci.edu
Subject: HST Servicing Mission Scheduled for 11 Days
Newsgroups: sci.space,sci.space.shuttle,sci.astro
In article <1sv169$me9@access.digex.net>, prb@access.digex.net (Pat) writes:
>>Not when public relations for a big public project is so
>>very important.
>>
> Shouldn't the project work be more important then the spin polish
> placed on it by the Flacks? this is science, not politics.
>
This is a real world too. You can't do science like this with out doing
politics as well, unfortunately. Good PR keep the $$ coming in.
>>It is becuase sometimes people post incorrect information or inappropriately.
>>All they want is that the PR people handle things, for good or ill,
>>and I don't think that is unreasonable. No one is being prevented from
>>posting, they just want people to very careful.
>>
>
> That's what a standard disclaimer is for.
>
Sorry, but they are not neccessarily legally binding. Besides, i work for
a PRIVATE company sub contracted by AURA. We have specific rules about
the data the company consider propriotory and have to sign various agreements
regarding such data. If the PR dept wants to release certain information
that is their right/job/duty. But things are different for my position
and the company in some cases can rightfully squech certain informational
release.
>
> There is a significant difference between information which is
> intangible, and staplers which are tangible. And defense
There is absolutely no difference. One is solid, but they both affect
careers, the company etc. One is just easier to slip in your pocket.
>
> Staplers cost money. information does not constitute
> mis allocation of government resources.
>
it sure can. If the 'research' does not follow its charter or is used
for someone's personal gain it is misuse. period.
----------------------------------------------------------------------------
Robert Dempsey (410) 338-1334
STScI/PODPS
I quote others only to better express myself. - Michel de Montaigne
----------------------------------------------------------------------------
------------------------------
Date: 14 May 93 15:50:46 -0600
From: Bill Higgins-- Beam Jockey <higgins@fnalf.fnal.gov>
Subject: Infinitely old Universe (was Re: Life on Mars.)
Newsgroups: sci.space,sci.bio
In article <2534@tdbunews.teradata.COM>, swf@tools3teradata.com (Stan Friesen) writes:
> In article <1stphdINNjht@mojo.eng.umd.edu>, sysmgr@king.eng.umd.edu (Doug Mohney) writes:
[Life originated elsewhere, then "infected" the Earth...]
> |> You still have to figure out how THAT life got started.
>
> No if you're Fred Hoyle. He rejects the Big Bang, and proposes an infinitely
> old universe (*really*), so in his model life *always* starts on a given planet
> by seeding from outer space - there has *always* been life somewhere.
>
> Of course an infinitely old universe has it own problems ...
And it always has.
Bill Higgins, Beam Jockey | "Treat your password like
Fermi National Accelerator Laboratory | your toothbrush. Don't let
Bitnet: HIGGINS@FNAL.BITNET | anybody else use it--
Internet: HIGGINS@FNAL.FNAL.GOV | and get a new one every
SPAN/Hepnet: 43011::HIGGINS | six months." --Cliff Stoll
------------------------------
Date: Fri, 14 May 1993 20:02:17 GMT
From: "Allen W. Sherzer" <aws@iti.org>
Subject: Interesting DC-X cost anecdote
Newsgroups: sci.space
A staffer just told me an interesting story about DC-X. An Air Force
costing team just looked at the DC-X (now called the DC-X1 BTW) and
gave an estimate on how much it would cost the Air Force to build it.
It cost SDIO $70M to build and it would cost the USAF:
$320 million or four and a half times as much.
Allen
--
+---------------------------------------------------------------------------+
| Lady Astor: "Sir, if you were my husband I would poison your coffee!" |
| W. Churchill: "Madam, if you were my wife, I would drink it." |
+----------------------33 DAYS TO FIRST FLIGHT OF DCX-----------------------+
------------------------------
Date: Fri, 14 May 1993 15:18:54 GMT
From: Henry Spencer <henry@zoo.toronto.edu>
Subject: Life on Mars.
Newsgroups: sci.space,sci.bio
In article <1svflu$5r@usenet.INS.CWRU.Edu> ak104@cleveland.Freenet.Edu (Robert Clark) writes:
>>... The devastating blow was the failure of the GCMS
>>experiment to find any organic molecules at all in the soil; it would
>>give positive results even on Antarctic soil...
>
> Levin says that the version of the GCMS wasn't sensitive enough to
>detect organics in the amounts you might expect. He gives the example
>of an Antartica sample which the GCMS was unable detect the organic
>compunds but which his Labeled release experiment was able to.
Hmm. "On Mars", the NASA History book about Viking, says the GCMS *was*
sensitive enough to give positive results on Antarctic soil. This may
well be a matter of picking and choosing your samples...
--
SVR4 resembles a high-speed collision | Henry Spencer @ U of Toronto Zoology
between SVR3 and SunOS. - Dick Dunn | henry@zoo.toronto.edu utzoo!henry
------------------------------
Date: 14 May 93 17:21:50 GMT
From: Stan Friesen <swf@tools3teradata.com>
Subject: Life on Mars.
Newsgroups: sci.space,sci.bio
In article <1stphdINNjht@mojo.eng.umd.edu>, sysmgr@king.eng.umd.edu (Doug Mohney) writes:
|> > Francis Crick and Fred Hoyle are two who have proposed this
|> >(perhaps tongue-in-cheek?)
|>
|> One of the bigger cop-outs I've seen.
|>
|> You still have to figure out how THAT life got started.
|>
No if you're Fred Hoyle. He rejects the Big Bang, and proposes an infinitely
old universe (*really*), so in his model life *always* starts on a given planet
by seeding from outer space - there has *always* been life somewhere.
Of course an infinitely old universe has it own problems ...
--
sarima@teradata.com (formerly tdatirv!sarima)
or
Stanley.Friesen@ElSegundoCA.ncr.com
------------------------------
Date: Fri, 14 May 1993 17:50:57 GMT
From: "David R. Smith" <dsmith@hplabsz.hpl.hp.com>
Subject: Long term Human Missions
Newsgroups: sci.space,sci.space.shuttle,sci.astro
In article <C67zHy.FEL@knot.ccs.queensu.ca> hausner@qucis.queensu.ca (Alejo Hausner) writes:
>>2. Teflon (So your eggs don't stick in the pan)
>
>Sorry to split hairs, but I just read in "The making of the atomic
>bomb"(*) that teflon was developed during world war 2.
Teflon was serendipitously discovered in 1939, before the
Manhattan Project.
--
David R. Smith, HP Labs | "I like to get my hands dirty,
dsmith@hpl.hp.com | because it stimulates my mind."
(415) 857-7898 | -- Irwin Sobel
------------------------------
Date: 14 May 93 08:27:11 PST
From: thomsonal@cpva.saic.com
Subject: Manned Zonds, etc.
Newsgroups: sci.space
Speaking of manned Zonds, there is a pretty good overview of several
previously un- or little-known Soviet manned programs:
Translated Title: Development of soviet spacecraft for manned missions
Author: AFANASEV I B
Translation Year: 1992, 28 p.
Translating Organization (Availability): UMI -- UMI Research Information
Services 300 North Zeeb Road, Ann Arbor, MI 48106-1346, USA. (UMI
JPRS-USP-92-003, only complete report supplied)
Translation Language: English
Document Type: TV (Translation) ; Level: LM (Monographic)
Series: JPRS Report: Science & Technology-Central Eurasia: Space
(JPRS-USP-92-003)
Translation Country: USA
Translated from:
Original Title: UNKOWN SPACECRAFT (FROM THE HISTORY OF THE SOVIET SPACE
PROGRAM)
Publisher: s.l. Znanie no. 12
Original Publication Year: 1991, p. 1-64
Original Language: Russian
Document Type: XL (Book) ; ZM (Monographic)
Country of Publication: Union of Soviet Socialist Republics
Descriptors: Aerospace technology; Engineering
Subject Classification: V02 Spacecraft
Allen Thomson SAIC McLean, VA
--------------------------------------------------------------------------
Yes, there is an opinion in the first sentence; but it's mine, not SAIC's.
------------------------------
Date: Fri, 14 May 1993 17:47:42 GMT
From: "Allen W. Sherzer" <aws@iti.org>
Subject: One Small Step for a Space Activist... Vol 4 No 5
Newsgroups: sci.space,talk.politics.space
One Small Step for a Space Activist...
Vol. 4 No. 5 -- May 1993
by
Allen Sherzer & Tim Kyger
Recent Clinton Administration & DoD actions have opened new opportunities for
the SSRT project & SSTO. Funds from SDIO were to have run out at the end of
completion of the DC-X test flights (now redesignated "DC-X1"), but now,
finally, there exists the possibility for a follow-on program within SDIO.
This is largely due to 3 events working together. The 1st was an attempt by
the acting head of the SDIO, an Army general, to grab control of SDIO & move
it to the Army, by shaping the FY '94 budget. This effort failed when
Secretary of Defense Les Aspin directed General O'Neill to revise his proposed
SDIO budget and to submit a budget essentially the same as FY '93's.
The 2nd is the lack of Clinton DoD appointees & their lack of focus upon SDIO.
Clinton has made very few of the appointments needed to run DoD; old Bush
appointees (if ANYBODY) are the ones making much DoD policy. SDIO has been
dealt with by the Clinton Administration by (1) Renaming SDIO "BMDO"
("Ballistic Missile Defense Organization"); (2) Refocusing its mission to
developing theater and ground-based missile defenses; and (3) Keeping
technology development programs alive & well and reasonably funded, pending
their possible move to ARPA, possibly in FY '95.
Finally, there is no SDIO (er...BMDO) director -- only an acting head. The old
SDIO director under Bush, Ambassador Cooper, is no longer there. Add these 3
things together & you have Administration (and SDIO/BMDO) willingness to
undertake a DC-X1 follow-on.
So what IS this possible DC-X1 follow-on? It's a vehicle tentatively labeled
the "DC-X2." It would take 33 months to develop, from the moment of issuance of
authority to proceed to the date of first flight, & would cost $450 million, an
amount the Office of Management & Budget has tacitly OK'd. This would build a
vehicle some 50 ft. high, powered by 8 RL-10A5 engines. The DC-X2 would be
built to a mass fraction of 0.92 using the same designs & materials envisioned
for the projected DC-Y SSTO. Thermal protection systems would be capable of
demonstrating reentry temperatures, pressures, & aerodynamics representing
conditions identical to ascent & descent to & from orbit. This would be a
vehicle that, if directly scaled up, would be capable of being an operational
SSTO. In other words, if the DC-X2 were built & then flown successfully, there
remain no technical doubts whatsoever as to whether or not an SSTO could be
built & flown.
And isn't that what X-vehicles are supposed to be all about?
As of this writing there is report language proposed for the FY '94 DoD
Authorization Bill that would give SDIO/BMDO permission to proceed with the
DC-X2. Authorizing & funding the DC-X2 will be activities occupying our
efforts throughout this summer.
But wait, there's more! Insiders have done a lot to push the SSTO concept &
it is slowly starting to pay off. Support for SSTO has been growing in DoD.
There will soon be issued a number of documents specifying requirements for
future launchers & these will be difficult to meet without building as an SSTO.
This will probably eventually lead to 2 alternatives aside from SDIO wherein
new SSTO work could eventually reside.
The 1st is Spacelifter. The Administration has proposed that this program
receive $54 million in FY '94. This money is for studies in FY '94, leading to
the start of prototype construction in FY '96 or so. Far from being "Son of
NLS," a significant fraction of the folks running Spacelifter are excited by
SSTO & are very open to SSTO as a mission mode.
The 2nd is the TEO structure ("Technology Executive Officer") inside the USAF.
Elements of USAF TEO have expressed interest in SSTO &, almost as important,
run under the relaxed procurement rules which would allow for efficient
execution of an SSTO effort. They currently have management contingency
monies enough so that in FY '94 it is conceivable that they could start to
conduct an "X-vehicle" SSTO program.
Nothing yet is certain; the situation is fluid. But we now have options, where
only a few weeks ago there were none apparent. Things are, indeed, finally
moving in our direction.
Legislative Roundup
SSTO/SSRT
Freshmen Orientation has been continuing. Activists in Oakland CA met with an
important staffer for Rep. Ron Dellums (D-CA), the Chair of the House Armed
Services Committee, in support of SSRT/SSTO. Both the staffer and Rep. Dellums
already were aware of the program & were impressed with the show of public
support from his District (all politics is local). This visit is a visit that
will pay off big time. Hats off to Jacki Jepson, Ray Miller, & the others of
the Golden Gate L5 Chapter responsible.
If Golden Gate L5 can meet with one of the most powerful members of Congress,
you can meet _your_ Representative. If you want help, contact Tim Kyger at
202/225-8459 (w) or kyger@bix.com (net).
Lunar Data Purchase Act
It currently looks like the LDPA will be added to this year's Omnibus
Commercial Space Act. This is progress but represents only the bare minimum
of what needs to be done. As part of a larger bill it could be traded away
or ignored. Efforts continue to get it introduced & passed in its own right.
We need to generate publicity for the bill. Please write your Representative
and ask them to look for the bill & become a cosponsor.
SS Freedom
The Freedom redesign alternatives have been announced. At this stage of the
game it looks like none of the alternatives will be paletable to Congress.
Sources expect Congress to either cancel the effort entirely or to simply
mandate the present design. (Expect Option "C" to be the one picked by
NASA. You heard it here first...)
There are also signs that the Clinton Administration isn't too interested in
the station or in the redesign effort. His science advisor, Dr. John Gibbon,
recently released a set of requirements he wanted the new station to meet. The
thing is, they didn't come out until a week after the current design options
being considered were frozen!
Those of you interested in Freedom should keep themselves abreast through
Space News or other weekly or daily sources. What we might say here can
easily be overtaken by events in the weeks between when we write this & when
you see it.
--
+---------------------------------------------------------------------------+
| Lady Astor: "Sir, if you were my husband I would poison your coffee!" |
| W. Churchill: "Madam, if you were my wife, I would drink it." |
+----------------------33 DAYS TO FIRST FLIGHT OF DCX-----------------------+
------------------------------
Date: 14 May 1993 16:07:04 -0400
From: Pat <prb@access.digex.net>
Subject: Over zealous shuttle critics
Newsgroups: sci.space
Pawel,
I think the shuttle really averages 2-3 flights/year.
we have a 4 orbiter fleet, and only 8 missions
make it on the manifest, plus some vehicle or
other is back at downey every year. we could have
a higher flight rate, but not much.
the shuttle reminds me of Brunels Boat.
what was it, the"great western"??? the one
that bankrupted him, and broke his health.
pat
------------------------------
Date: Fri, 14 May 93 16:35:41 BST
From: Ata Etemadi <atae@spva.ph.ic.ac.uk>
Subject: Radiation Hard Electronic Components
Newsgroups: sci.space
G'Day
I would be most grateful for information regarding what rad-hard processors,
logic circuits, and memory units are available, and their performance
characteristics. If you have any experience with such components, I would sure
like to hear from you about it. Given sufficient response, I'll post a summary.
best regards
Ata <(|)>.
--
| Mail Blackett Laboratory, |
| Space and Atmospheric Physics Group, |
| Imperial College of Science, Technology, and Medicine, |
| Prince Consort Road, London SW7 2BZ, ENGLAND |
| Internet/Arpanet/Earn/Bitnet atae@spva.ph.ic.ac.uk or ata@c.mssl.ucl.ac.uk |
| Span SPVA::atae or MSSLC:atae |
| UUCP/Usenet atae%spva.ph.ic@nsfnet-relay.ac.uk |
------------------------------
Date: Fri, 14 May 1993 17:55:18 GMT
From: "..." <emeinfel@gmuvax2.gmu.edu>
Subject: Space books from Krieger
Newsgroups: sci.space
loss@fs7.ECE.CMU.EDU (Doug Loss) wrote:
> Yesterday I got an unsolicited catalog in the mail from Krieger
>Publishing Company, called "Space Technology Titles." From the titles
>and the descriptions many of the books look very tempting. The prices
>are a little salty though, ranging from US$27.50 to $112.50, with most
>of the books in the $40-80 range.
>
> Does anyone have any opinions on the quality of Krieger's books, and
>which ones I should check out first? I suspect I'll have to try to
>convince the university and/or public libraries to buy them for me, as
>I'm pretty sure my wife wouldn't care for me spending $79.50 for a book
>on "Spacecraft Attitude Dynamics and Control."
I have bought a 4 or 5 books from them. The quality has seemed very
good. I thought the prices were consistent with the rest of the market
and in some cases perhaps slightly lower. The only drawback I found
was that they did not seem geared to support individual orders of one
or two titles and it was painful to try and communicate with them when
you had a question.
Hope this helps.
Jim Ruper
------------------------------
Date: Fri, 14 May 1993 19:04:14 GMT
From: "Richard A. Schumacher" <schumach@convex.com>
Subject: Why we like DC-X (was Re: Shuttle 0-Defects & Bizarre? DC-X?)
Newsgroups: sci.space
In <stephens.737385373@ngis> stephens@geod.emr.ca (Dave Stephenson) writes:
>Its the thought of staggering down the aisle at 3g's to the small room
>past the Cabin staff when you HAVE to go worries me. Rough Air is bad
>enough.
Hee, hee! Of course, it won't spend more than five minutes at 3 Gs.
Anyone can wait that long. For that matter, how many people could stand
up, let alone walk, at 3Gs?
------------------------------
Date: 14 May 1993 16:26:11 -0400
From: Pat <prb@access.digex.net>
Subject: Why we like DC-X (was Re: Shuttle 0-Defects & Bizarre? DC-X?)
Newsgroups: sci.space
In article <1993May13.184319.23266@iti.org> aws@iti.org (Allen W. Sherzer) writes:
>I note a common element to all your posts: you never seem to worry about
>costs. That's fine if all you want from space is a few Shuttle misisons
Allen,
ken went on earlier about medicine, and doctors, etc.
I asumed from that he was one. If so, that explains
the problem. We are pouring 12 % of GNP into a
broken medical care system, so why not pour 1%
of GNP into a broken space transportation system.
pat
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End of Space Digest Volume 16 : Issue 573
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