J-20 5th Gen Fighter Thread IV (Closed to posting)

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AssassinsMace

Lieutenant General
Sorry but that story sounds like a contradiction. If what he says is true, I don't how he can say Chinese fighters are a greater threat than Russian. If you can get close enough to "count blades" without being detected, that's pretty crappy radar. Then in general from what I've read about other countries' complaints about what they deem as Chinese fighters being aggressive, this incident alone puts their complaints to shame and pretty hypocritical.
 

dingyibvs

Junior Member
Sorry but that story sounds like a contradiction. If what he says is true, I don't how he can say Chinese fighters are a greater threat than Russian. If you can get close enough to "count blades" without being detected, that's pretty crappy radar. Then in general from what I've read about other countries' complaints about what they deem as Chinese fighters being aggressive, this incident alone puts their complaints to shame and pretty hypocritical.

I wouldn't know about the radar thing, but you can't possibly actually put any credence into those complaints, right? :roll:
 

Inst

Captain
It's not that hard to detect a F-22 from 250km away, but it is hard to make that detection useful.

Every aircraft has RCS spikes; angles from which the aircraft emits more RCS than on average. The F-22 must also have RCS spikes, and these are carefully designed to be in places where a detect or track cannot be sustained or exploited.

As far as getting close enough to detect blades; when you're in an F-18 and neither side wants to start shooting for fear of starting a war, detecting blades isn't that hard. And I think with high-resolution radar, you can likely detect the turbine blades of the engine from perhaps half max-track/detect range.
 

latenlazy

Brigadier
It's not that hard to detect a F-22 from 250km away, but it is hard to make that detection useful.

Every aircraft has RCS spikes; angles from which the aircraft emits more RCS than on average. The F-22 must also have RCS spikes, and these are carefully designed to be in places where a detect or track cannot be sustained or exploited.

As far as getting close enough to detect blades; when you're in an F-18 and neither side wants to start shooting for fear of starting a war, detecting blades isn't that hard. And I think with high-resolution radar, you can likely detect the turbine blades of the engine from perhaps half max-track/detect range.

I was thinking the same.
 

SinoSoldier

Colonel
I spoke with a recently (i.e. within the past year) retired F-18 pilot, and he considers Chinese planes a much greater threat than Russian planes. His reasoning is that these days the most important thing is avionics, and the Chinese have much better avionics including radars. He believes that China is still at least 1 generation behind the U.S. in that front though, and he says he could identify the exact type of plane the Chinese are flying by counting the number of turbine blades before the Chinese radars can even detect his presence.

Guess why they built DSI into their later planes. :D
 

Engineer

Major
It's not that hard to detect a F-22 from 250km away, but it is hard to make that detection useful.

Every aircraft has RCS spikes; angles from which the aircraft emits more RCS than on average. The F-22 must also have RCS spikes, and these are carefully designed to be in places where a detect or track cannot be sustained or exploited.

Those RCS spikes just mean the radar will be able to detect the F-22 further than 250 km away.
 

rolking

New Member
Our invaluable escobar posted this in the carrier thread.
from huitong:
The next generation carrier-based stealth fighter was rumored to be under development at the 611 Institute based on J-20. First flight is expected by 2015. The latest rurmor (July 2013) claimed that it just won the competition with the smaller J-21 (navalized) from the 601 Institute.

Doesn't this back to back win by CAC and 611 indicate that the flight-testing of J-20 is progressing well?

Also there is another article/rumour in the chinese forums claiming there are actually 4 J-20 prototypes flying:
2 2001 - one actually produced in 2010 and the "official" 2001 in 2011.
2 2002 - both produced in 2012.
Static J-20 was only produced in mid 2012.
Pre-serial production run of 4 per year already underway in 2013.
A two-seater J-20 is planned.

Interesting. franco-russe will probably love the article. Complete with charts in excel format.
 

siegecrossbow

General
Staff member
Super Moderator
Our invaluable escobar posted this in the carrier thread.


Doesn't this back to back win by CAC and 611 indicate that the flight-testing of J-20 is progressing well?

Also there is another article/rumour in the chinese forums claiming there are actually 4 J-20 prototypes flying:
2 2001 - one actually produced in 2010 and the "official" 2001 in 2011.
2 2002 - both produced in 2012.
Static J-20 was only produced in mid 2012.
Pre-serial production run of 4 per year already underway in 2013.
A two-seater J-20 is planned.

Interesting. franco-russe will probably love the article. Complete with charts in excel format.

I have to agree with escobar on this one, probably not going to happen.
 
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