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Lines Above The Doors...  
User currently offlineAA7771stClass From United States of America, joined Jun 1999, 296 posts, RR: 5
Posted (10 years 10 months 5 days 20 hours ago) and read 1977 times:

Apologies if this has been discussed before, the search didn't turn up anything. If you enlarge the picture below, especially in the large version, one notices lines the width of all the cabin doors above the doors. Can someone explain what these are/why they're there...?

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Photo © Chris Coduto



9 replies: All unread, jump to last
 
User currently offlineStaffan From , joined Dec 1969, posts, RR:
Reply 1, posted (10 years 10 months 5 days 20 hours ago) and read 1956 times:

I'd assume they are there to stop water etc. running down over the door when the aircraft is on the ground.

Staffan


User currently offlineOPNLguy From , joined Dec 1969, posts, RR:
Reply 2, posted (10 years 10 months 5 days 19 hours ago) and read 1945 times:

He's correct--it's to channel the water away from the open doorway.

Think "very small rain gutter"...


User currently offlineAA7771stClass From United States of America, joined Jun 1999, 296 posts, RR: 5
Reply 3, posted (10 years 10 months 5 days 17 hours ago) and read 1915 times:

Wow, how thoughtful. Thanks guys...

User currently offlineBio15 From Colombia, joined Mar 2001, 1089 posts, RR: 7
Reply 4, posted (10 years 10 months 4 days 20 hours ago) and read 1787 times:

BTW that's a freakin' good picture!!

User currently offlineCptkrell From United States of America, joined Sep 2001, 3220 posts, RR: 12
Reply 5, posted (10 years 10 months 4 days 19 hours ago) and read 1767 times:

Draingutters, yes, kinda like all cars and trucks used to have (before they went "aero", of course). You will notice that they are mostly all installed at an angle when viewed from the side to directionally channel water to front or rear, depending on door location, and not interfere with airflow...jack


all best; jack
User currently offlineOPNLguy From , joined Dec 1969, posts, RR:
Reply 6, posted (10 years 10 months 4 days 18 hours ago) and read 1760 times:

Here's a shot that shows them pretty well...

http://www.airliners.net/open.file/429574/L/

The front ones (at least on the 737s and some other Boeings) is at more of an angle to compensate for the nose curvature, which you can see in the photo above. The one over the aft service door is closer to being level with the aircraft...


User currently offlineL-188 From United States of America, joined Jul 1999, 29791 posts, RR: 58
Reply 7, posted (10 years 10 months 4 days 13 hours ago) and read 1709 times:

Being level is not a good thing, it would allow water to sit in the channel, inviting corrosion. So you will never see one of those gutters perfectly level.


OBAMA-WORST PRESIDENT EVER....Even SKOORB would be better.
User currently offlineOPNLguy From , joined Dec 1969, posts, RR:
Reply 8, posted (10 years 10 months 4 days 7 hours ago) and read 1664 times:

>>>Being level is not a good thing, it would allow water to sit in the channel, inviting corrosion. So you will never see one of those gutters perfectly level.

Agreed; that's why I said "closer to being level"...  Big grin


User currently offlineCOspn From Northern Mariana Islands, joined Oct 2001, 1605 posts, RR: 0
Reply 9, posted (10 years 9 months 3 weeks 6 days 23 hours ago) and read 1478 times:

The 747 is Kind of flat to the Jetway so we have to use a plastic gutter we rigged up so the PAX dont get wet..only when it rains hard, and it does happen on out Tropical Island of Saipan..

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