On Sun, 27 Aug 2000, Gary Edwards wrote:
>I really like your B747 wing shot. The ripples in the wing skin are normal.
>The weight of the whole airplane is supported by the difference in air
>pressure between the top and bottom skins of the wing. The lighter gauge
>skins aft of the wing box will bow upward due to the pressure, and they will
>ripple some to accomodate the flexing of the wing. The trick is to keep the
>resulting stresses in the elastic region of the metal to avoid fatigue,
>something that Boeing is quite good at.
ah..didn't notice them till i had the picture :)
>The sundogs I'm familiar with involve ice crystals (cirriform clouds) at
>high altitudes and look different. Frank van Lindert can probably give a
>detailed explaination (he's a meteorologist). Don't think that's what this
>is. Didn't know that you were coming through DFW; give me a holler next
>time.
loooking forward to hearing what that phenomenon is; again didn't notice
it till i scanned the picture.
>Oh, and the fourth shot, that's a Delta B737 (-300 or later) by the nacelle
>and pylon.
oops, i dind't note what the aircraft was at the terminal, and later went
by what seemed like an overly large engine nacelle (a la 777). must be the
perspective thing again <g> i was only in DFW was about 2 hours, in wee
early morning at the end of the C terminal. thanks for the correction and
explanation!
< This message was delivered via the Olympus Mailing List >
< For questions, mailto:owner-olympus@xxxxxxxxxxxxxxx >
< Web Page: http://Zuiko.sls.bc.ca/swright/olympuslist.html >
|