Newsgroups: sci.space.shuttle
Path: utzoo!henry
From: henry@utzoo.uucp (Henry Spencer)
Subject: Re: Single SRB ignition
Message-ID: <1990Apr7.222049.14150@utzoo.uucp>
Organization: U of Toronto Zoology
References: <9634@ingr.com>
Date: Sat, 7 Apr 90 22:20:49 GMT

In article <9634@ingr.com> whitehrc@ingr.com (Robert C. Whitehead) writes:
>In any event, the resulting fireball could easily reach
>three miles in diameter; that's why NASA doen't normally
>let anyone within twelve miles of the Shuttle when it
>launches.

Uh, both launch control and the closest observing sites are about three
miles away.  Twelve miles would probably take you well outside the KSC
perimeter.  And the three-mile limit is more a question of debris range
than of fireball diameter.
-- 
Apollo @ 8yrs: one small step.|     Henry Spencer at U of Toronto Zoology
Space station @ 8yrs:        .| uunet!attcan!utzoo!henry henry@zoo.toronto.edu