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Make sure to add a disclaimer that compares the J-50 unfavorably to certain PPT aircraft so that your channel doesn’t get taken down for spreading misinformation.
Shenyang next gen combat aircraft thread
- Thread starter Blitzo
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Make sure to add a disclaimer that compares the J-50 unfavorably to certain PPT aircraft so that your channel doesn’t get taken down for spreading misinformation.
Such a beauty!!
I feel J-50 is a much superior design in terms of stealth compared to J-36 when it comes to shaping. J-36 looks kinda ugly and less stealthy due to the top intake. I feel too much comprise was made on stealth to make J-36 bigger and house the 3rd engine.
This CGI is just speculative and there's no reason to discus sit in any particular detail.
1. I don't think that the presence of side internal weapons bays (IWB) can be established, let alone verified.
2. I don't think the centerline shallow trough is anywhere indicative of the presence of a centerline IWB for the time being.
3. The YJ-12 is much larger and heavier than the YJ-91 shown in the illustration (~7 meters vs 4 meters, and ~3 tons vs ~0.6 tons), despite both have roughly similar looks.
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Guys I found this videos about the j-50 really interesting and discussion worty
Why Shenfei's sixth-generation J-50 represents the highest integrated level of world aviation (1) Variable geometry edge strip
Why Shenfei's Sixth-Generation Aircraft Represents the World's Highest Level of Aviation Integration (2) All-Moving Wingtip
Why Shenfei's sixth-generation J-50 represents the highest integrated level of world aviation (3) Lambda wing
This is my take on the videos ( disclaimer: i don't speak Chinese, and I'm learning English, my understanding of aerodynamic is superficial, so I might miss understand some things)
1. Variable geometry Lerx with memory shape alloys
It explain the Evolution of LEX from the F-5 tiger (2.2% of Total Wing Area), f-16 LERX (7% TWA), F-18 LEX (10-15% of TWA) , su-27 (12% TWA) F-22 LEX (with a focus on stealth -4% TWA) the su-57 LEVCONS (focus on Supermanivaribilty)
Then the Chinese route j-7 => j-9=> jf-17 => j-20 => j-35 and now the j-50.. with j-11,15 and 16 LEX also mentioned...
I'm skeptical about this conformal differential shaping thing, even if possible would be a few cm in any shape at most. So not comparable with su-57 levcon o j-20 FMC areodinamic authorithy.
Even so Would be amazing if possible
2. Under-rib DSI with conformal differential geometry (memory shape alloys again)
Here i am more optimistic, the DSI itself is a compromise for stealth and weight reduction, the tradeoff is performance in the whole speed envelope. DSI curvature is optimized for a specific speed, hence less optimal for other speeds. So being able to have some variation in the bump shape would widen the optimal part of the flight envelope. While maintaining stealth in comparison with a moving ramp.
3. All moving wingtips
Here i like the idea AWT being controlable in 2 axis (like rotating and folding) there is a analogy with the XB-70 Valkyrie folding Wing Tips.
Also there is a comparison between SAC a CAC approach to 6th gen defining characteristic (tailless), with CAC compromise wining in stealth and drag reduction vs SAC winning in agility. Both valid solution for the objective of their respective design.
4. Tailess Lambda wings
While great for all aspect stealth, it present challenges for yaw controll, roll stability and stall at high AoA. Where SAC could not rely in traditional control surfaces and had to use innovative solutions (AMW, TVC, Dynamic LEX)
How the lambda wing shape has aerodynamic and stealth gains (see b-21,f-117 xb-70, GJ-11, tempest) but weight and structural challenges . That had to be addressed with aeroelastic tailoring (alas dreamliner), 3D printer parts with a gradient titanium alloy composites going from 30% to 70% TI.
So the j-36 is a spiritual descendant of the Saab draken, the f-117 and the b-21. mixing the agility of the formers with the stealth of the latters. Guessing the tradeoff would be, cost, and complexity
What do you guys think about it?
Why Shenfei's sixth-generation J-50 represents the highest integrated level of world aviation (1) Variable geometry edge strip
Why Shenfei's Sixth-Generation Aircraft Represents the World's Highest Level of Aviation Integration (2) All-Moving Wingtip
Why Shenfei's sixth-generation J-50 represents the highest integrated level of world aviation (3) Lambda wing
This is my take on the videos ( disclaimer: i don't speak Chinese, and I'm learning English, my understanding of aerodynamic is superficial, so I might miss understand some things)
1. Variable geometry Lerx with memory shape alloys
It explain the Evolution of LEX from the F-5 tiger (2.2% of Total Wing Area), f-16 LERX (7% TWA), F-18 LEX (10-15% of TWA) , su-27 (12% TWA) F-22 LEX (with a focus on stealth -4% TWA) the su-57 LEVCONS (focus on Supermanivaribilty)
Then the Chinese route j-7 => j-9=> jf-17 => j-20 => j-35 and now the j-50.. with j-11,15 and 16 LEX also mentioned...
I'm skeptical about this conformal differential shaping thing, even if possible would be a few cm in any shape at most. So not comparable with su-57 levcon o j-20 FMC areodinamic authorithy.
Even so Would be amazing if possible
2. Under-rib DSI with conformal differential geometry (memory shape alloys again)
Here i am more optimistic, the DSI itself is a compromise for stealth and weight reduction, the tradeoff is performance in the whole speed envelope. DSI curvature is optimized for a specific speed, hence less optimal for other speeds. So being able to have some variation in the bump shape would widen the optimal part of the flight envelope. While maintaining stealth in comparison with a moving ramp.
3. All moving wingtips
Here i like the idea AWT being controlable in 2 axis (like rotating and folding) there is a analogy with the XB-70 Valkyrie folding Wing Tips.
Also there is a comparison between SAC a CAC approach to 6th gen defining characteristic (tailless), with CAC compromise wining in stealth and drag reduction vs SAC winning in agility. Both valid solution for the objective of their respective design.
4. Tailess Lambda wings
While great for all aspect stealth, it present challenges for yaw controll, roll stability and stall at high AoA. Where SAC could not rely in traditional control surfaces and had to use innovative solutions (AMW, TVC, Dynamic LEX)
How the lambda wing shape has aerodynamic and stealth gains (see b-21,f-117 xb-70, GJ-11, tempest) but weight and structural challenges . That had to be addressed with aeroelastic tailoring (alas dreamliner), 3D printer parts with a gradient titanium alloy composites going from 30% to 70% TI.
So the j-36 is a spiritual descendant of the Saab draken, the f-117 and the b-21. mixing the agility of the formers with the stealth of the latters. Guessing the tradeoff would be, cost, and complexity
What do you guys think about it?
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FYI this content creator is regarded by the Chinese military enthusiast community as generally garbage and not credible in the slightest. If you assume everything he said is made up or incorrect, and when you do find things that make sense take those as coincidences, you wouldn’t be far off.
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in spite of the adage i think you really can judge a book by its cover, because every single decision made reveals something about the author behind the work. in this case, using fake renders as the thumbnail image for the sake of attractiveness should clue you in to the priorities of this channel. if it's deemed that the real images of the j-50 are not good enough, then what prevents the same liberties to be taken for the discussion beyond?
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