At 04:12 AM 9/30/04, Gavin wrote:

>I disagree that lift loads are much larger farther from the fuselage on the
>new 504xx wing designs!
>Maybe someone can shed some light on this? the chord of the wing decreases
>as the wing tapers to the tip, therefore reducing the available lift as the
>wing tapers due to reduces area.

A paper on load distrubution and how to calculate (close but approximate) 
the mean aerodynamin chord for a tapered wing is at this link:
http://www.bd5.com/BedeDesign15.jpg

So, the slightly conservative calculation for bending load on the spar 
would be half the maximum G-load gross weight of the plane at a lever arm 
of the MAC distance.


Regards,
RonB


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