Re: Jet engines

From:         ABrowne@mtl.marconi.ca (Alan Browne)
Organization: Canadian Marconi Company
Date:         13 Apr 96 16:44:52 
References:   1
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In article <airliners.1996.517@ohare.Chicago.COM>, 100115.261@CompuServe.COM
says...
>
>Do big fanjets work by Newton's second law or like giant propellers?
>


YES !!

(OK: No jokes)

about 70%-80% of the thrust is from the "fan" portion in cruise.  This is
thrust as opposed to the "tractor" or airscrew effect you may mean with
propellers.  But even a propeller is "acting" out Newton's 2nd law or the
airplane would not move...

Alan