Path: utzoo!attcan!utgpu!jarvis.csri.toronto.edu!mailrus!csd4.milw.wisc.edu!uxc.cso.uiuc.edu!deimos.cis.ksu.edu!cveg!hcx!jws3
From: jws3@hcx.uucp (6079 Smith James)
Newsgroups: sci.space.shuttle
Subject: Re: New Shuttle engine
Summary: TTB, Marshall S.F.C.
Message-ID: <2797@cveg.uucp>
Date: 17 Jul 89 20:03:06 GMT
References: <3499@uokmax.UUCP> <11888@ulysses.homer.nj.att.com>
Sender: netnews@cveg.uucp
Distribution: usa
Organization: College of Engineering, University of Arkansas, Fayetteville
Lines: 27


In article <11888@ulysses.homer.nj.att.com>, smb@ulysses.homer.nj.att.com (Steven M. Bellovin) writes:
> In article <3499@uokmax.UUCP>, mflawson@uokmax.UUCP (Michael F Lawson) writes:
> > I heard on CNN today that NASA had completed a test-firing of a new
> > Shuttle engine.  Supposedly this was the third successful test.  Does
> 
> The AP article strongly implied it was the main engine, since it spoke
> of an earlier test's problem with nitrogen contamination of the liquid
> hydrogen feed.  The new engine features an enlarged throat for the main
> combustion chamber, to permit the engine to run at lower temperatures
> and pressures.  The previous two tests were aborted.

This stuff is a series of tests at Technology Test Bed, Marshall Space
Flight Center, Alabama.  The above info is correct.  I haven't been in
touch with TTB for about a month and a half (on leave), but the first test
aborted through instrumentation problems.  The engine is very heavily
instrumented, and glitches happen, since TTB is a new stand and not
completely ironed out yet.


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