J-20... The New Generation Fighter II

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rhino123

rhino123

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Re: J-20... The New Generation Fighter

Afrikkkan101 said:
J-20 looks bigger then the F-22 and PAK FA.. It will have room for a bigger radar, payload, and range.. I think it is more lethal then the F-22 or PAK FA. I was never a big believer in stealth, or F-22 capabilities.
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Funny theory there. Just because a plane is bigger, it will have room for bigger radar, payload and range? And given those, it would be more lethal then F-22 or PAK FA. That is the funniest thing I have ever heard and (sorry to say) thoroughly senseless. Just because something bigger, doesn't necessary mean better and can carry bigger radar, have a bigger payload and have better range.

No one in this forum had any real idea what level of sophistication of J-20. There simply is no real data... everything is either spectaculation or guessing. Plus I don't think anyone had real idea of how potent F-22 and PAK FA was, so comparism is actually pretty difficult.
 
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Munir

Banned Idiot
Let me put it differently to make it less funny. It is difficult cause we all are guessing. The reason for PLAAF to have a bigger plane is that it is strategic very important. It needs longer range, more payload and a better radar to counter F22. With huge ocean and vast area to fly high it will be the only way to keep away from Japanese radars/planes and US strategic assets near China. Now investing in shortlegged smaller plane would make no sense. As you have all read, in a somewhat extremely simplified research, the F22 will win every battle against China but it will have problems in re-arming and refueling. Those two variables are even better used by PLAAF with the introduction of J20. I bet they will do anything to counter refueling assets (aircrafcarriers, refuel planes) and try to keep the enemy in the dark where they are and when they strike. Maybe thi fits in the BM that can push aircraftcarriers far away. The USA is probably not risking to share F22 with Japan which now is running to get its own. Although it looks like a solved problem but there is at the same time another headache cause F35 is to late and expensive so they will even need to find alternatives for the aging F15's as low end of the stealth variant. With economy becoming an headache just like the currency and nuclear energy, the japanese have a long though road ahead.
 
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latenlazy

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1) Long legs aren't just determined by fuel capacity but specific fuel consumption and aerodynamic design.

2) The J-20 isn't that much bigger than the F-22.
 
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Totoro

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J-20 isnt that much longer than f-22 but it is visibly more voluminous. Longitudinal cross section is pretty much the same, area wise. Yet the J20's body (from nosetip to engine nozzles) is visibly longer. Again, i'm talking about fuselage length, not overall length. And the rear part on the j20 isnt as tapered as on f22. While the exact measurement is impossible to do with current images, j20's body does seem to be 15-20% more voluminous.
 
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Schumacher

Senior Member
In case anyone still cares, they're saying it flew again today for about 60 mins.
Something like doing a short takeoff and then what sounds like a vertical climb into the clouds.

They say this is from today.
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siegecrossbow

siegecrossbow

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Schumacher said:
In case anyone still cares, they're saying it flew again today for about 60 mins.
Something like doing a short takeoff and then what sounds like a vertical climb into the clouds.

They say this is from today.
Please, Log in or Register to view URLs content!
Click to expand...

I would say this is an important demonstration of the plane's maneuverability (short takeoff/vertical climb). Did any one take videos of the takeoff?
 
rhino123

rhino123

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Munir said:
Let me put it differently to make it less funny. It is difficult cause we all are guessing. The reason for PLAAF to have a bigger plane is that it is strategic very important. It needs longer range, more payload and a better radar to counter F22. With huge ocean and vast area to fly high it will be the only way to keep away from Japanese radars/planes and US strategic assets near China. Now investing in shortlegged smaller plane would make no sense. As you have all read, in a somewhat extremely simplified research, the F22 will win every battle against China but it will have problems in re-arming and refueling. Those two variables are even better used by PLAAF with the introduction of J20. I bet they will do anything to counter refueling assets (aircrafcarriers, refuel planes) and try to keep the enemy in the dark where they are and when they strike. Maybe thi fits in the BM that can push aircraftcarriers far away. The USA is probably not risking to share F22 with Japan which now is running to get its own. Although it looks like a solved problem but there is at the same time another headache cause F35 is to late and expensive so they will even need to find alternatives for the aging F15's as low end of the stealth variant. With economy becoming an headache just like the currency and nuclear energy, the japanese have a long though road ahead.
Click to expand...

Like I say before... bigger plane doesn't necessary means it had longer endurance. Sure, the PLAAF need a plane with longer range, bigger payload and better radar... that is NEED, but there is something called the technical restriction too. NEED vs HAVING the CAPABILITY TO CREATE. Of course China NEED alot of things to counter US or any other nations in this world. But in real life, they might not be able to achieve those feats.

And... seriously, how would anyone actually determine the actual size of the J-20 and the F-22 when no real data was being provided and only a few estimate.

Of course I am not saying for sure that J-20 is lacking in payload or range or whatever, because I simply do not know and will therefore not commit into making any bold statement as to claim it is a superior fighter, have longer range, have alot of other things on it.

And as latenlazy had mentioned, long legs aren't just determined by fuel capacity but also by specific fuel consumption and aerodynamic design.
 
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