I went totally offtopic in my previous post so this one will be about the Rafale and if it could be modified to a 5th gen standard.
First off, what constitutes a 5th generation aircraft? RCS reduction? Supercruize? AESA radar? Or all of that and more? I think the people that question the relevance of the generational valuation are right. But that does not mean we can not speculate about what the Rafale airframe could be capable of.
I think the sensors and its avionics are top notch the way they are, but it is totally feasible that a more advanced avionics package could be installed that could bring it on par with 5th gen aircraft.
It is rumored to be able to supercruize, I believe that the Rafale could be able to achieve low supersonic speeds without afterburners. But not with any meaningfull payload, maybe with a minimal air defense package with 2-4 missiles and no droptanks, sensor pods or any other ordanenance. But with more powerfull engines this capability could be worked on/expanded.
Now the tough one, could the Rafale be modified to achieve RCS reduction on par with F-35, F-22, T-50 or J-13? And the easy answer is no. The Rafale was designed for RCS reduction, but no (or not much) concessions where made with regards to aerodynamics and thats key! Altering the airframe would not only be very expensive, but would alter the aerodynamics which makes the Rafale such a good airframe.
The Rafale could be used as a basis for a 5th gen aircraft though. But it would be much bigger. There is currently no room for internal weapons bays and I dont think conformal pods are an option, It wouldn't achieve the required shape, and there are hard points under the body that would become useless. So the airframe would become wider to fit the weapon bays and longer to fit bigger engines and not screw up the dimensions to much. I do hope they would make it another delta winged plane, not for any practical reason, but they look soooo cool
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and one last tangent-question i have ...
even though the f-22 was developed regarding cold war -era scenarios ... do you still think it would have taken the bulk of 2 decades to develop-->operational if the cold war were still ongoing today?
did the development path slow at all over the past 10-15 .... 20 years after the fall of the soviet union? (read: could the defense companies milk the development costs a bit further, knowing that the urgency was somewhat eased?). does the US possess the capability to design such a platform in a shorter period of time if we still had high probability of facing a peer adversary, today? but i suppose that opens a new box of questions regarding the state of US manufacturing...
Whow that's a first rate question. I'm not an expert, but I think the US govt. would have been more on the ass of the defense industy. I also think if there still was a credible Soviet threat they would already have fully replaced the F-15, and have a credible replacement for the F-14, not something thats "good enough". I also think they F-16's and the Bomber fleet wouldn't be in the state they are now. But then again, in that scenario the RAH-66 would've been pushed forward and the design would be evolving into a next gen AH-64 replacement instead of being canned.
Again, I am not a defense expert. But I base my comment on the fact that a continued presence of a credible adversary would mean that everything would be different. Most importantly it would be justification for a much larger defense budget.
So I think the US does have the infrastructure and the know how to develop such a plane in a shorter time. It just doesnt have the budget to do so without justifying the rediculous costs that come with it.
I'm sorry I cant come up with proof or sourcing, I'll leave that to someone else.