Re: 707 : How did it get its name ?

From:         leishman@hellcat.umd.edu (leishman)
Organization: University of Maryland, College Park
Date:         Mon, 12 Jan 1998 07:04:41 GMT
References:   1
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In article <rddEM69wC.13B@netcom.com>
oberoi@emirates.net.ae writes:

> > A friend of mine came across an interesting reason for how the Boeing
> > 707 series got the name - 707 :
> > It seems that the wing angles of the Boeing 707, were 45 degrees.
> > The values of the trignometric functions, sine and cosine at 45
> > degrees are equal - of the value = 1 / sqrt(2) = 0 . 7 0 7
> > Hence the name ?

Absolutely not. The designation has nothing to do with wing sweep
angle. The wing sweep angle on the 707 was 35 degrees, an angle likely
inherited from German research on swept wings. Try a copy of "Boeing
Jetliners" by Norris and Wagner for Boeing aircraft designations.