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- Path: sparky!uunet!olivea!spool.mu.edu!sol.ctr.columbia.edu!eff!news.oc.com!convex!ewright
- From: ewright@convex.com (Edward V. Wright)
- Newsgroups: sci.space
- Subject: Re: DC vs Shuttle capabilities
- Message-ID: <ewright.724441823@convex.convex.com>
- Date: 15 Dec 92 17:50:23 GMT
- References: <zjf2--+@rpi.edu> <1992Dec11.141858.16948@iti.org> <g9g2v_p@rpi.edu> <1992Dec14.175934.5993@iti.org>
- Sender: usenet@news.eng.convex.com (news access account)
- Organization: Engineering, CONVEX Computer Corp., Richardson, Tx., USA
- Lines: 24
- Nntp-Posting-Host: bach.convex.com
- X-Disclaimer: This message was written by a user at CONVEX Computer
- Corp. The opinions expressed are those of the user and
- not necessarily those of CONVEX.
-
- In <1992Dec14.175934.5993@iti.org> aws@iti.org (Allen W. Sherzer) writes:
-
- >> You missed my point. If your crew compartment is in the cargo
- >>bay, where do you put the satellite?
-
- >If it turns out that this isn't roomy enough, then you use the technology
- >developed under DC to build a larger vehicle. After all, DC will be a usefull
- >piece of technology but it isn't the only spaceship which will ever be built.
-
- A completely new vehicle probably isn't justified unless you need
- a *lot* more room. "Stretching" an existing plane is common practice
- in the aircraft industry. (Rockwell even studied a stretched version
- of the Shuttle orbiter.) However, as a practical matter, I don't
- think there will be many missions that require cargo and passengers
- to go up in the same vehicle.
-
-
- >Yes it would take roughly 10 DC flights to carry up the fuel. Soon however
- >the availability of lunar oxygen and perhaps hydrogen will greatly reduce
- >that cost.
-
- Oxygen, definitely. But even if discover water ice on the Moon,
- I don't think hydrogen will be plentiful enough that you'd want
- to throw it away at the rate rocket engines do.
-