J-20... The New Generation Fighter III

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Engineer

Engineer

Major
MiG-29 said:


Wing loading: 335 kg/m² (69 lb/ft²)
Thrust/weight: 0.98 (with AL-31); 1.03 (with WS-10A)

Armament

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I too can cite random and irrelevant links.
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MiG-29 said:
Why China will officially claim the WS-10 has slightly more thrust than Al-31 and still continue buying Al-31? J-10 gets lower TWR by being fitted with Al-31. compared to a Eurofighter or Rafale well will get lower sustained turn rate, even F-16 weighs less than J-10 will benefit with its higher TWR
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, the only answer it is less reliable
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Like I have pointed out before, this line of argument is like saying China buying more Al-31s is a proof that Al-31 having good MTBO, despite Al-31 not having a good MTBO. Now, the only J-10 that China is able to serial produce right now is J-10As, and J-10A is designed to carry Al-31FN only. This means for China to build more J-10s to replace old fighters, it has no choice but to use Al-31FN. While J-10B is meant to use WS-10A, the aircraft still has a lot of flight testings to be done before being able to accepted into services. In addition to the new fighters, China also have to replace the old engines on the existing J-10. Finally, PLAAF has a huge logistic system built around the Al-31FN. These factors explain why China continues to buy Al-31FN, although I am not surprised that you are being oblivious to them. However, China buying Al-31 does not prove Al-31 being (and I quote) "more reliable" in anyway.
 
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Engineer

Engineer

Major
flateric said:
more reliable compared to what - did you read me?
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Yes, Taihang. The original statement I am challenging claims Al-31 to be more reliable. This is a position which you are defending, a position which is merely an assumption. This is what I meant by shaky.
 
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CottageLV

CottageLV

Banned Idiot
I read interview of J10 pilots saying that TH is much more powerful, but taking longer to reach full rev/power, not as spontaneous as the russian counterpart.
 
L

Lion

Senior Member
flateric said:
so 3 crashes and 3 close calls caused by engine for whole 13 years of J-10 history? that's 'disastrous'
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All thanks to the brilliant overhaul
Skill of Chinese technician. Chinese are complaint original AL-31FN engines from Russia with engine blade crack easily. India also complain abt AL-31 engine inferior. So it not just Chinese side has issue. With the new plant on Chengdu, more
Overhaul can be done easily and quickly.
 
L

Lion

Senior Member
Engineer said:
I too can cite random and irrelevant links.
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, see?



Like I have pointed out before, this line of argument is like saying China buying more Al-31s is a proof that Al-31 having good MTBO, despite Al-31 not having a good MTBO. Now, the only J-10 that China is able to serial produce right now is J-10As, and J-10A is designed to carry Al-31FN only. This means for China to build more J-10s to replace old fighters, it has no choice but to use Al-31FN. While J-10B is meant to use WS-10A, the aircraft still has a lot of flight testings to be done before being able to accepted into services. In addition to the new fighters, China also have to replace the old engines on the existing J-10. Finally, PLAAF has a huge logistic system built around the Al-31FN. These factors explain why China continues to buy Al-31FN, although I am not surprised that you are being oblivious to them. However, China buying Al-31 does not prove Al-31 being (and I quote) "more reliable" in anyway.
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Correct! If they stop buying AL-31FN engine. What will happen to the newly invest plant in Chengdu? Close shop??? They wouldn't want to waste the investment make. Retooling that plant will cost another money. Does 't make sense they abandon AL-31FN now completely and precisely the massive big plant exist is to overhaul those short lifespan and unreliable AL-31FN engine from Salyut. If AL-31FN engine is reliable. The plant in chengdu will not exist in the first place.

All thanks to Russian engineering. China lost their Mars probe. From this incident, you can see what kind of engineering level Russian has fall into. Any future space exploration collaboration with Russian will terminated..
 
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danielchin

danielchin

Junior Member
Interesting photo:
The banner reads: “Celebrating the successful check & acceptance of the 2920 project large-diameter pressure regulating valve (a domestic first)”, and the words beneath the picture says: “…besides providing testing device for missiles, large airplane, and spacecrafts, it also successfully completed the March 3 wind tunnel test for J-20”.
Why would they do the March 3 test? could it be realized (by diving?)?

____.jpg


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Equation

Equation

Lieutenant General
danielchin said:
Interesting photo:
The banner reads: “Celebrating the successful check & acceptance of the 2920 project large-diameter pressure regulating valve (a domestic first)”, and the words beneath the picture says: “…besides providing testing device for missiles, large airplane, and spacecrafts, it also successfully completed the March 3 wind tunnel test for J-20”.
Why would they do the March 3 test? could it be realized (by diving?)?

____.jpg


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Thanks for the translation.
 
MwRYum

MwRYum

Major
danielchin said:
Interesting photo:
The banner reads: “Celebrating the successful check & acceptance of the 2920 project large-diameter pressure regulating valve (a domestic first)”, and the words beneath the picture says: “…besides providing testing device for missiles, large airplane, and spacecrafts, it also successfully completed the March 3 wind tunnel test for J-20”.
Why would they do the March 3 test? could it be realized (by diving?)?

____.jpg


Original source:
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Well, that was first posted on #1913...and by the same company's announcement, the Project 2920 was first mentioned in 2009, but back then they called it a prototype.

Now this comes as an afterthought: the company's flaunted their achievement as "despite technology blockade by US and Russia", does that mean such component only those 2 countries able to make? Does any of those European nations able to make something like this?
 
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