Shenyang FC-31 / J-31 Fighter Demonstrator

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T-U-P

The Punisher
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I think the red landing gear bay interior is quite interesting, haven't seen any other planes with that colour. Is it only to look good or is there any deeper meaning to this?
 

mady

New Member
I think the red landing gear bay interior is quite interesting, haven't seen any other planes with that colour. Is it only to look good or is there any deeper meaning to this?

Look,
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deeper meaning?I don't know,maybe just for fun.
 

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paintgun

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I think the red landing gear bay interior is quite interesting, haven't seen any other planes with that colour. Is it only to look good or is there any deeper meaning to this?

Flanker tradition trickle down to the J-31

oops mady got the answer before me, didnt see that pic without logging in

Now I think I've got a deep question: Why don't I see any actuators under the wings?

it's there, just not in the photos
 

Player99

Junior Member
Flanker tradition trickle down to the J-31

oops mady got the answer before me, didnt see that pic without logging in

it's there, just not in the photos

I know it's got to be there somewhere, I just realized I had not seen it in any of the pictures... Now why the J-20 has to have it so big? Some tradition, too? Anyway, I sure am glad that they can choose to have it small, too, then.
 

paintgun

Senior Member
I know it's got to be there somewhere, I just realized I had not seen it in any of the pictures... Now why the J-20 has to have it so big?

it's been pondered around about J-20's huge actuator housing,

J-31 photos are not exactly showing them well, the ones in high res are not showing because of angle, the ones in good angle is in low res

EDIT:

if the actuator housings are designed like those in the F-35, you'd probably need pics like this to see them :
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the Funny thing is, when you google keyword for F-35 flight control actuator, it actually gives you the link to F-35 contractor website, plus the specs, and images of the item, first page top of the list

lol
 
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Player99

Junior Member
it's been pondered around about J-20's huge actuator housing,

J-31 photos are not exactly showing them well, the ones in high res are not showing because of angle, the ones in good angle is in low res

Now this may be silly... Do the J-20's control surfaces move more "violently: (wider range and faster) than those on other fighter jets, which may necessitate more poweful, hence bigger, actuators?
 

paintgun

Senior Member
Now this may be silly... Do the J-20's control surfaces move more "violently: (wider range and faster) than those on other fighter jets, which may necessitate more poweful, hence bigger, actuators?

not really as it is not that much faster compared to J-10 or Rafale for example, while the 'spasms' look quite impressive

the second part of your question, will demand a technically knowledgeable answer, and i don't have it

there is also other thing to consider like LO
 
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