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- Newsgroups: sci.space
- Path: sparky!uunet!mcsun!ieunet!tcdcs!dherity
- From: dherity@cs.tcd.ie (Herity D.)
- Subject: Re: Aerospike Engines... what are they?
- Message-ID: <1993Jan4.134426.20686@cs.tcd.ie>
- Organization: Computer Science, Trinity College Dublin
- References: <C0907I.69u.1@cs.cmu.edu>
- Distribution: sci
- Date: Mon, 4 Jan 1993 13:44:26 GMT
- Lines: 15
-
- MUNIZB%RWTMS2.decnet@rockwell.com ("RWTMS2::MUNIZB") writes:
-
- >In an spike nozzle the opposite takes place and the gas flow is directed
- >inward from an annulus at some diameter away from the centerline. This
- >flow is directly exposed to ambient pressure and its expansion is thus
- >directly coupled to the external environment (continuous altitude
- >compensation with no moving parts).
-
- As I understand it, the exhaust is confined between the spike and the
- external airflow. So how can it work in a vacuum ? Can it ?
- --
- -----------------------------------------------------------|"Nothing travels |
- | Dominic Herity, dherity@cs.tcd.ie, |faster than light, |
- |Computer Science Dept, Trinity College, Dublin 2, Ireland.|except possibly bad|
- | Tel : +353-1-6772941 ext 1720 Fax : +353-1-6772204 |news"-Douglas Adams|
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