Re: DC-8s in service; no 707s?

Date:         19 Feb 97 02:46:23 
From:         Ken <kgm0001@jove.acs.unt.edu>
Organization: University of North Texas
References:   1
View raw article
  or MIME structure

Merlin Dorfman wrote:
>
>      A couple of weeks ago in this newsgroup there was a thread about the
> number of (early) DC-10s in service as compared to few if any L-1011s.
>      A similar comment might be made about 707s and Dc-8s.  It has been
> a long time since I've seen a 707 (707-airframe TACAMOs and Joint STARS,
> yes, and a double-take at an A340 at DFW last year, but not an airline
> 707).  But I frequently see DC-8s, in cargo service with new engines.
>      Is there a reason that the DC-8 airframes are still in service
> up to 30 years later while the 707s are not?

If you go to Africa and the Middle East, you will find a number of B-707s
still in service.  The DC-8 was stretched which makes it more economical
to continue flying than the 707; also the DC-8 was designed to have a
longer fatigue-life (100,000 hours) than the 707 (60,000 hours).

Ken Madden