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- From: pad@galaxy.nsc.com (Paul Denny x8349)
- Newsgroups: sci.astro
- Subject: Re: Deflecting P/S-T
- Message-ID: <Bxvo41.2ru@voder.nsc.com>
- Date: 17 Nov 92 20:40:49 GMT
- References: <1992Nov10.145458.25432@cam-orl.co.uk> <10NOV92.17034867@wl.aecl.ca> <warhil-171192094827@warrenhill.ntu.edu.au>
- Sender: news@voder.nsc.com
- Organization: National Semiconductor, Santa Clara
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- In article <warhil-171192094827@warrenhill.ntu.edu.au>, warhil@post.ntu.edu.au (Warren Hill) writes:
- >
- [units correction deleted]
- >
- > Then, if this is what was intended, the answer should read 26e6 newtons,
- > or, 26 meganewtons (MN) of thrust. As a comparison, I think that one 727
- > engine can deliver about 400 kN of thrust ( leading to the somewhat silly
- > conclusion that the earth could be "saved" by 22 Boeing 727s ). Maybe
- > someone could give us a comparison with the thrust generated by the shuttle
- > (I don't have these figures at my finger tips).
- >
-
- Interesting how we need all this energy to deflect the comet by an earth diameter
- yet non gravitational forces consisting of boiling water, methane and dust
- can change the arrival time by two weeks. Does the integrated effect of these
- forces really add up to that much differential thrust ?
-
- - Paul
-