david b.
Topic Author
Posts: 2894
Joined: Fri Jun 15, 2001 7:18 pm

What Are Those Nitches

Tue Apr 02, 2002 1:19 pm

What are those small triangular nitches on the bottom of the plane?


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Photo © Jason Taperell

Teenage-know-it-alls should be shot on sight
 
XFSUgimpLB41X
Posts: 3961
Joined: Fri Aug 25, 2000 1:18 am

RE: What Are Those Nitches

Tue Apr 02, 2002 1:37 pm

They are the intakes for the air conditioning packs. There's 3 on the 747, 3 on the DC-10... and thats all fun facts that i can pull out of my rear-end at the moment.
Chicks dig winglets.
 
IMissPiedmont
Posts: 6199
Joined: Wed May 23, 2001 12:58 pm

RE: What Are Those Nitches

Tue Apr 02, 2002 1:57 pm

I hope you wiped them off before posting. That's what they are though.

 Laugh out loud
The day you stop learning is the day you should die.
 
FDXmech
Posts: 3219
Joined: Sun Mar 19, 2000 9:48 pm

RE: What Are Those Nitches

Wed Apr 03, 2002 1:50 am

To be more specific, these ram air intakes are used to direct cooling air to the air conditioning (pack) heat exchangers. The ram air enters at the intake and exits at the 3 square exhaust ports several feet aft on the belly.

The air entering these "scoops" do not enter the cabin for your breathing pleasure.  Smile
You're only as good as your last departure.
 
TechRep
Posts: 1877
Joined: Sun Jan 13, 2002 6:53 am

RE: What Are Those Nitches

Wed Apr 03, 2002 6:55 am

They are called Naca Scoops or Naca ducts to ACM's.

TechRep

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