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  • MEA380

Any Idea?? KLM 777

hi everyone, this picture is very impressive, it’s a 777 on a delivery flight, but there’s something in this picture i didn’t what it was, inside the red circle there’s something opening, can anyone help me please and tell me what exactly was that?

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By: MEA380 - 30th April 2004 at 20:04

tenthije, thanks

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By: tenthije - 30th April 2004 at 20:01

Why does the ARJ have a dedicated APU when there are 4 APUs hanging under the wings? 😀

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By: MEA380 - 30th April 2004 at 19:59

is that the dark area just above the registration?

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By: MEA380 - 30th April 2004 at 19:58

Jeanske_SN, good question man, now i’m really guessing !!!
till now no idea, any hint?

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By: Jeanske_SN - 29th April 2004 at 20:16

Where’s the inlet on the ARJ?

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By: FlyMonarch - 29th April 2004 at 20:16

the base of the tail???

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By: Jeanske_SN - 29th April 2004 at 20:12

Find the inlet:)

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By: Ren Frew - 29th April 2004 at 19:39

It is indeed the APU Inlet Door 🙂

I’ve noticed that before and often wondered what the hell it was ? Thanks for the info.

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By: MEA380 - 29th April 2004 at 19:17

thanks a lot guys, i was really wondering what that was, but now i know 😀

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By: Jeanske_SN - 29th April 2004 at 19:10

It’s the APU inlet door. You can’t have fire without O2.
For example, CH4+2 O2=CO2+2 H2O. But with not enough O2, the reaction equotation may look like this:
2 CH4+3 O2=CO + 4H2O
or
CH4+O2=C+2H2O
(CH4 is the chemical connection of natural gas.)
This actually hasnt has much to do with this, but it shows how contrails are made->water is a reaction product of burning.

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By: FlyMonarch - 29th April 2004 at 19:01

FlyMonarch, thanks for the information

that OK lol i try 😉

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By: Guzzineil - 29th April 2004 at 19:01

its the APU inlet door..

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By: MEA380 - 29th April 2004 at 19:01

FlyMonarch, thanks for the information

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By: FlyMonarch - 29th April 2004 at 18:57

isnt it some sort of release valve?? heat or fuel maybe. 757 have them too

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