PLA next/6th generation fighter thread

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sunnymaxi

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Roughly translated:















(The generation classification of fighters jets implied in the text for the Chinese and American fighter jets are actually referring to the Chinese (and the previous US) classification standards, i.e. F-22 and J-20 being 4th-gen fighters instead of 5th-gen fighters.)
can you please elaborate more what he is actually talked about.. translation confused me
 

ACuriousPLAFan

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can you please elaborate more what he is actually talked about.. translation confused me

TL; DR - The original dialogue text actually originates from an interview session on Chinese TV in the 2000s, where our "Chief of the Strategic Fool-You Agency" denied the news about China developing a 5th-gen fighter (i.e. J-20).

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@Rational314159 (or someone else) basically just modified the original text from the interview session to fit with the current development (of China's J-XD).
 

ACuriousPLAFan

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Also, one particular reply comment by Yankee underneath the original post:

Screenshot (584).png

Manso-Z: "(Is your post) majorly hinting about the three engines (for the J-XD)?"
Yankee (replying to someone asking for that blueprint illustration with three engines by 草根CG previously): The details in that illustration is not exactly completely accurate (不太准)"

Needless to say, even if the illustration by 草根CG on Weibo has a very high degree of accuracy in terms of indicating features and characteristics of the real thing - It is logical to assume that should the illustration is completely accurate down to the tiniest details, then someone would've been called-up for some tea-time with the MSS already.
 
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AndrewS

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Considering the initial claim from last week that China's (and very likely to be Chengdu AC's) J-XD concept/technology demonstrator/prototype will have three engines + Given that it's not just Cute Orca, but also Ayi, Shenhua, @万年炎帝 and now even Yankee who also touched upon the original post prior to deletion + The (apparent) repeated touch-ons of the same point today.

Combining all the information obtained so far (including possible Shenyang AC's counterpart to follow suit in early next year), and disregarding the discussion of how a three-engine combat warplane should perform - Could there will actually be three main categories of manned combat warplanes for China's 6th-gen air combat systems going forward?

Namely:
Aircraft ModelJ-XD2J-XD1H-20
Aircraft CorporationShenyangChengduXi'an
Relative Size Example(Y)F-23F-111B-2
MTOW30+ tons - 40+ tons50+ tons - 60+ tons170+ tons - 200+ tons
Engines2x WS-10C/15-based or ACE-based WS-XX, afterburning3x WS-10C/15-based or ACE-based WS-XX, afterburning4x WS-18/10C/15-based or ACE-based WS-XX, non-afterburning
Combat Radius, Unrefueled2IC2IC - 2.5IC2IC - 2.5IC
Payload Capacity, Internal<~10 tons~10-20 tons~20-30 tons
Primary RoleFighterFighterStrategic Bomber
Secondary RoleStrike AircraftTactical BomberTactical Bomber
End UsersPLAAF, PLAN (carrier-capable)PLAAFPLAAF

Of course, this is just my own 脑洞大开 moment on the matter based on currently-available circumstantial information, so kindly take these with a huge scoop of sodium chloride.

Just a few comments:

The internal payload capacity for the J-XD2 and J-XD1 look too high, given that they would be a fighter/interceptor airframe instead of a flying wing. There's also no need for such high internal payloads, given that CCAs would be able to accompany them to distances to the 2IC

If the J-XD1 can obtain air superiority to the 2IC, the need for a H-20 also becomes questionable.
My guess is that less than 50? H-20s would be required for the handful of targets between the 2IC-3IC
Such a small programme doesn't seem worth it, when the alternative is aircraft carriers.
 
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Squidward

New Member
Registered Member
(But of course, if China somehow manages to make the three-engine J-XD to be able to fit onboard PLAN CV(N)s in the future - Then the above contention can be rendered redundant.)
Considering the initial claim from last week that China's (and very likely to be Chengdu AC's) J-XD concept/technology demonstrator/prototype will have three engines + Given that it's not just Cute Orca, but also Ayi, Shenhua, @万年炎帝 and now even Yankee who also touched upon the original post prior to deletion + The (apparent) repeated touch-ons of the same point today.

Combining all the information obtained so far (including possible Shenyang AC's counterpart to follow suit in early next year), and disregarding the discussion of how a three-engine combat warplane should perform - Could there will actually be three main categories of manned combat warplanes for China's 6th-gen air combat systems going forward?

Namely:
Aircraft ModelJ-XD2J-XD1H-20
Aircraft CorporationShenyangChengduXi'an
Relative Size Example(Y)F-23F-111B-2
MTOW30+ tons - 40+ tons50+ tons - 60+ tons170+ tons - 200+ tons
Engines2x WS-10C/15-based or ACE-based WS-XX, afterburning3x WS-10C/15-based or ACE-based WS-XX, afterburning4x WS-18/10C/15-based or ACE-based WS-XX, non-afterburning
Combat Radius, Unrefueled2IC2IC - 2.5IC2IC - 2.5IC
Payload Capacity, Internal<~10 tons~10-20 tons~20-30 tons
Primary RoleFighterFighterStrategic Bomber
Secondary RoleStrike AircraftTactical BomberTactical Bomber
End UsersPLAAF, PLAN (carrier-capable)PLAAFPLAAF

Of course, this is just my own 脑洞大开 moment on the matter based on currently-available circumstantial information, so kindly take these with a huge scoop of sodium chloride.
I recall a recent discussion in the 00X/004 carrier thread about future Chinese carriers surpassing the current ~100k ton standard for supercarriers and going up to ~150k tons in displacement, but it was a very speculative discussion. If it turns out that next-generation PLAN carrier aircraft are going to be notably larger than current ones (including the J-35), ~10 tons payload internal, it would support the idea that optimal displacement for a supercarrier will grow as carrier aircraft grow larger and more capable.

Conversely, if it is rumored or revealed that China's future carriers will displace ~150k tons, it would also be evidence in the opposite direction - suggesting that its intended air wing will have larger aircraft (the Shenyang J-XD), or a larger airwing (large numbers of unmanned aircraft), or both. But that's a discussion better left for the carrier thread.
 

ACuriousPLAFan

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Just a few comments:

The internal payload capacity for the J-XD2 and J-XD1 look too high, given that they would be a fighter/interceptor airframe instead of a flying wing. There's also no need for such high internal payloads, given that CCAs would be able to accompany them to distances to the 2IC

If the J-XD1 can obtain air superiority to the 2IC, the need for a H-20 also becomes questionable.
My guess is that less than 50? H-20s would be required for the handful of targets between the 2IC-3IC

It mainly depends on how large the J-XD1 and J-XD2 will be, should the hypothetical dual-J-XD fleet becomes reality across the PLAAF and PLAN in the future. Needless to say, even with loyal wingman UCAV support, they are still going to be reasonably well-armed.

If the J-XD1 is, as they've claimed for now, to have three engines, then it doesn't make much sense for the warplane to have a relatively small size. Logically speaking, the J-XD1 should have a slightly bigger and deeper IWB, given its prescribed roles as a fighter + tactical bomber.

As for the smaller, two-engine J-XD2 - A longer IWB for either XLRAAMs, or more M/LRAAMs in tandem arrangement would be key. The IWB may not need to be as deep, but it would be crucial for the IWB of the J-XD2 to be longer than their predecessors.

Plus, there's also the potential of including active self-defense/protection systems onboard, whether that be micro-AAMs, lasers and/or other means.

I recall a recent discussion in the 00X/004 carrier thread about future Chinese carriers surpassing the current ~100k ton standard for supercarriers and going up to ~150k tons in displacement, but it was a very speculative discussion. If it turns out that next-generation PLAN carrier aircraft are going to be notably larger than current ones (including the J-35), ~10 tons payload internal, it would support the idea that optimal displacement for a supercarrier will grow as carrier aircraft grow larger and more capable.

Conversely, if it is rumored or revealed that China's future carriers will displace ~150k tons, it would also be evidence in the opposite direction - suggesting that its intended air wing will have larger aircraft (the Shenyang J-XD), or a larger airwing (large numbers of unmanned aircraft), or both. But that's a discussion better left for the carrier thread.

It was very much a hypothetical and speculative discussion at best. I won't put too much energy into it until further developments of future Chinese CVNs come to light.
 
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AndrewS

Brigadier
Registered Member
It mainly depends on how large the J-XD1 and J-XD2 will be, should the hypothetical dual-J-XD fleet becomes reality across the PLAAF and PLAN. Needless to say, they are still going to be well-armed.

If the J-XD1 is, as they've claimed for now, to have three engines, then it doesn't make much sense for it to have a relatively small size. Logically speaking, the J-XD1 should have a slightly bigger and deeper IWB, given its prescribed roles as a fighter + tactical bomber.

The B-2 has 2 IWBs with a capacity of 23 tonnes, and remember that flying wings have much more internal volume to work with.
The B-21 has a single B-2 IWB with half the capacity.

---

I don't see a notional J-XD1 as having a "tactical bomber" role come to think of it. With 3 engines, you could have a 10-15 tonne total payload yes. But with a fighter airframe, that means the IWB will be limited and most of that notional 10-15tonne payload is on the wings.

And we already have the H-6 as a "regional bomber" (bomb truck) to carry long-range cruise missiles.

In comparison, a fighter-type airframe should be able to supercruise, which has the advantage of improving the launch velocity of AAMs and air combat positioning.
 

ACuriousPLAFan

Brigadier
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Considering the initial claim from last week that China's (and very likely to be Chengdu AC's) J-XD concept/technology demonstrator/prototype will have three engines + Given that it's not just Cute Orca, but also Ayi, Shenhua, @万年炎帝 and now even Yankee who also touched upon the original post prior to deletion + The (apparent) repeated touch-ons of the same point today.

Combining all the information obtained so far (including possible Shenyang AC's counterpart to follow suit in early next year), and disregarding the discussion of how a three-engine combat warplane should perform - Could there will actually be three main categories of manned combat warplanes for China's 6th-gen air combat systems going forward?

Namely:
Aircraft ModelJ-XD2J-XD1H-20
Aircraft CorporationShenyangChengduXi'an
Relative Size Example(Y)F-23F-111B-2
MTOW30+ tons - 40+ tons50+ tons - 60+ tons170+ tons - 200+ tons
Engines2x WS-10C/15-based or ACE-based WS-XX, afterburning3x WS-10C/15-based or ACE-based WS-XX, afterburning4x WS-18/10C/15-based or ACE-based WS-XX, non-afterburning
Combat Radius, Unrefueled2IC2IC - 2.5IC2IC - 2.5IC
Payload Capacity, Internal<~10 tons~10-20 tons~20-30 tons
Primary RoleFighterFighterStrategic Bomber
Secondary RoleStrike AircraftTactical BomberTactical Bomber
End UsersPLAAF, PLAN (carrier-capable)PLAAFPLAAF

Of course, this is just my own 脑洞大开 moment on the matter based on currently-available circumstantial information, so kindly take these with a huge scoop of sodium chloride.

Addendum - All three aircraft models (J-XD1, J-XD2 and H-20) are assumed to be powered by the engines belonging to the same family for ease of operation, logistics and maintenance across the warplane fleets.
 

Andy1974

Senior Member
Registered Member
Also, one particular reply comment by Yankee underneath the original post:

View attachment 140560




Needless to say, even if the illustration by 草根CG on Weibo has a very high degree of accuracy in terms of indicating features and characteristics of the real thing - It is logical to assume that should the illustration is completely accurate down to the tiniest details, then someone would've been called-up for some tea-time with the MSS already.
The CG showed 3 engines of the same type, this is what could be wrong.
 

ACuriousPLAFan

Brigadier
Registered Member
The B-2 has 2 IWBs with a capacity of 23 tonnes, and remember that flying wings have much more internal volume to work with.
The B-21 has a single B-2 IWB with half the capacity.

---

I don't see a notional J-XD1 as having a "tactical bomber" role come to think of it. With 3 engines, you could have a 10-15 tonne total payload yes. But with a fighter airframe, that means the IWB will be limited and most of that notional 10-15tonne payload is on the wings.

And we already have the H-6 as a "regional bomber" (bomb truck) to carry long-range cruise missiles.

In comparison, a fighter-type airframe should be able to supercruise, which has the advantage of improving the launch velocity of AAMs and air combat positioning.

In my hypotheticals, the J-XD1 isn't meant to be as agile and maneuverable as the J-XD2. The nature of the J-XD1 is more of a fighter-bomber (maybe JH-XX?) with balanced if not slightly heavier weight on the fighter role than the tactical bomber role, while not being an actual, true-blooded fighter like the J-XD2.

Of course, you're free to agree or disgaree with my viewpoint.

The CG showed 3 engines of the same type, this is what could be wrong.

Well, we can only wait and see. Nothing much we can do until we see the actual photographs/video of the real thing.
 
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