J-20 5th Gen Fighter Thread VI

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TerraN_EmpirE

Tyrant King
It's easier to retrofit new tech into a fourth gen by "Bolt on" if you want to add IRST to a 4 th gen you punch a hole to wire through and bolt the device on. ( I am oversimplifying but the gist of it)
A fifth gen because of the stealthy features has to not just be low drag but not increase RCS or mess with the coatings. So your first preference is to see if you can get something already on the fighter to double duty. After that you are more likely to be replacing parts of the bird to try and squeeze it .
Think of it like your computer.
A few years back if you bought a computer and wanted to take photos you had to add a camera accessory plug it in and mount it then load the software.
Well you buy a new computer there is a camera for Skype built in so you add a app and instant photos.
Same idea.
 

AndrewS

Brigadier
Registered Member
If we're looking at a counter stealth strategy, I think it's been established that 5th Gen Stealth Fighters will decimate an opposing 4th Gen Fighter force.

So having one's own stealth fighters is a pre-requisite just for them to survive.

Then you've got opposing stealth fighters detecting each other in the 50km-100km range using IRST/EO. That is likely to result in short lethal battles, particularly given the no-escape zone for missiles these days and the ability for an all-aspect launch.

So then it sounds like we're into a war of attrition, where numbers count. And where smaller fighters with a smaller heat signature have an advantage. Manoeuvrability is not too important either.
 

Deino

Lieutenant General
Staff member
Super Moderator
Registered Member
Guys ... can we stay on topic please?

You are once again in a wild - anyway interesting - discussion on US fighters vs J-20, stealth vs. counterstealth tactics and if US fourth generation types have or don't have an IRST system ... come on.
 

Gloire_bb

Captain
Registered Member
People over emphasize that incident, because yes it happened but it was not a product of Stealth technology failure.
It wasn't FAILURE of stealth! It was a reality of physics, what stealth aircraft produce radar return, too.
Those who do not expect to come under fire, get raded from unexpected angles, directions - much more so.

Both sides can and will play tricks.
One side is in a much better position(stealth), but under favourable environement, the other can negate it. Operating defensively under cover of AA network(mutual help), targeting supporting assets(which are just as vulnerable, and even more critical for a stealth force), avoiding open combat, abusing tactical moves and solutions stealthier side will be more reluctant to follow, and so on.
And F22 is designed to take that to the next level. Most Fifth gens can still turn and burn with the best of them.
There are things 5th gen don't do, or do worse than 4th gen, or do so only while losing their stealth edge.
F-22 onboard EW(or, honestly speaking, elint) suite is a good example. F-22 was designed to be F-15 on a new level, sure, but sone things just contradict stealth too much, and/or pursue similar aims, arguably less effectively.
Other things include variety and size of payloads(including drop tanks and sensor pods), fuel burn rates, required supporting sorties per combat sortie, turnout rate, upgradeability and so on, so on, so on.

Oops, sorry Deino. I stop here.
 
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lllchairmanlll

Junior Member
Registered Member
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