Newsgroups: sci.space.shuttle
Path: utzoo!henry
From: henry@utzoo.uucp (Henry Spencer)
Subject: fuel dumping etc.
Message-ID: <1988Nov18.175725.1137@utzoo.uucp>
Organization: U of Toronto Zoology
References: <2137@aplcomm.jhuapl.edu> <5590@ecsvax.uncecs.edu> <794@hadron.UUCP> <5157@polyslo.CalPoly.EDU> <2349@ssc-vax.UUCP> <1144@orion.cf.uci.edu> <434@geovision.UUCP>
Date: Fri, 18 Nov 88 17:57:25 GMT

In article <434@geovision.UUCP> alastair@geovision.UUCP (Alastair Mayer) writes:
>fuel dumping is done for a couple of reasons - to reduce the mass
>that the aircraft brakes will have to slow down (sure, they *can*
>handle a fully loaded 747 at takeoff speed in case of aborted takeoff,
>but it doesn't do the brakes any good)...

Aviation Week had an interesting photo a few weeks ago, in fact, of the
maximum-weight rejected-takeoff brake tests on the 747-400.  A 747, just
sitting there at the end of the runway, with its wheel hubs glowing red-hot.
-- 
Sendmail is a bug,             |     Henry Spencer at U of Toronto Zoology
not a feature.                 | uunet!attcan!utzoo!henry henry@zoo.toronto.edu