Re: 747 hump

Date:         10 Sep 97 19:38:44 
From:         "Thomas Lindberg" <thomas.lindberg@senet.abb.se>
Organization: ABB Network Partner AB
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Marc Schaeffer <marcmsc@geocities.com> wrote in article
<airliners.1997.2118@ohare.Chicago.COM>...
> I wonder to what extend the hump of the 747 contributes to the total
> fuel consumption at cruise speed and cruise altitude. Can the
> aerodynamical disadvantages of the 747-hump be evaluated by some formula

i have been told (by Boeing during a visit??) that the hump actually
contributes to the lift and that the longer hump (compared to the old
original) is still better.

Conclusion: what you see (and deduct) is not always correct.

Neither believe all what you are told, I can remember wrong :))

Thomas