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From: ron@nbife.NBI.COM (Ron Schweikert)
Newsgroups: rec.aviation,sci.space.shuttle
Subject: Re: SR71 to be retired October 1st, rumors regarding SR-71
Message-ID: <991@nbife.NBI.COM>
Date: 20 Mar 89 15:15:32 GMT
References: <524@gonzo.UUCP> <1475@petsd.UUCP> <13987@elroy.Jpl.Nasa.Gov> <89Mar17.110921est.9394@ois.db.toronto.edu>
Organization: NBI Inc., Headquarters Service Centers
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> scooped all posters to date---except, perhaps, for the most interesting
> and imaginative ones.
> 
>     Did you know that radiative cooling is insufficient at the SR-71's
>     top speed of Mach 7?  It must be supplemented by evaporative
>     cooling.  JP-7 is released along the leading edges of the wings,
>     and boils off as it streams back.  This, of course, drastically
> 
I'm sorry, did I miss something.  This was a joke right?  An example of how
they get it wrong?  The leading edges of the Blackbird are usually covered
with RTV!  Plastic leading edges.  Guaranteed, no fuel release anywhere
(except normal sieve-like leakeage :-)) except out the tail.