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That Opening/hole On A DC-10  
User currently offlinePizzapolli From United States of America, joined Oct 2001, 243 posts, RR: 0
Posted (11 years 2 months 2 weeks 14 hours ago) and read 2850 times:

What is that opening that you see on the fuselage of DC-10 in front of the wing below the window line. It looks like a fuel door thats sideways, but of couse is not. Is it some sort of air intake for the APU? Heres a link to a picture with one showing, its right below the G in Varig:
http://www.airliners.net/open.file/361578/L/


5 replies: All unread, jump to last
 
User currently offlineMighluss From Spain, joined Oct 2001, 948 posts, RR: 8
Reply 1, posted (11 years 2 months 2 weeks 13 hours ago) and read 2807 times:


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Photo © Konstantin von Wedelstaedt

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filler...



Miquel.
User currently offlineRydawg82 From United States of America, joined Sep 2001, 861 posts, RR: 8
Reply 2, posted (11 years 2 months 2 weeks 13 hours ago) and read 2769 times:

Here is everything you could wish to know about that opening.....Ryan
http://www.airliners.net/discussions/tech_ops/read.main/32721



You can take the pup out of Alaska, but you can't take the Alaska out of the pup.
User currently offlineSrbmod From , joined Dec 1969, posts, RR:
Reply 3, posted (11 years 2 months 2 weeks 7 hours ago) and read 2635 times:

I was curious about that myself, I saw one of World's DC-10Fs parked over by South Cargo @ ATL last week, and noticed that valve and was curious about it.

User currently offlineIahcsr From United States of America, joined Jun 1999, 3424 posts, RR: 42
Reply 4, posted (11 years 2 months 2 weeks 6 hours ago) and read 2551 times:
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For those who choose not to read the link above, the short answer is that it's part of the pressurization system. The DC-9/MD-80 has a similar valve design, but it's located below the left engine, so it's not as visible.


Working very hard to Fly Right....
User currently offlineJETPILOT From United States of America, joined May 1999, 3130 posts, RR: 29
Reply 5, posted (11 years 2 months 1 week 4 days 22 hours ago) and read 2299 times:

It's a pressurization dump valve. DC10's arent pressurized on the ground. When the plane lands the dump valve opens to equalize pressurization if the auto/manual system fails to keep the pressurization schedule which should relieve pressure 1000' (?) above field elevation.

JET


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