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Antonov An-72 Engines Question

Sat Nov 04, 2000 12:09 am

why does AN-72 have over the wing mounted engines
is it for increasing lift?
and if so, why isn't this concept applied to any other aircraft in service?

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christianbothe
Posts: 123
Joined: Wed Jan 12, 2000 7:03 pm

RE: Antonov An-72 Engines Question

Sat Nov 04, 2000 2:54 am

Yes,
the stream of hot exhaust gases on the upper side of the wing causes an increased lift (the so-called Conda Effect). Besides the chances of FOD is lower, so it can be used on primitive airstrips. But it is harder to maintain and check the engines.

  christian
 
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RE: Antonov An-72 Engines Question

Sat Nov 04, 2000 8:08 pm

The only other aircraft I have seen with this engine setup was the Boeing YC-14. It is on display at the Pima Air museum.

I don't know which aircraft was first.
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