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I could say the exact same thing for the F-35.
How man UCAVs have you seen with an engine that large?
This arse looks pretty big too though faster.
X-51A
That isn't a UCAV, not to mention that it's a simple demonstration aircraft (though it can reach Mach 5, so good luck catching up to it).
What does AB have to do with supersonic flight? There are several fighters that are equipped with an afterburner (F-86D / MiG 17F) but are incapable of breaking the sound barrier (except in a shallow or steep high speed dive). AB improves subsonic / transonic acceleration and climb rate.
You just threw these guys for a loop.
They do not realize that I can accelerate a measly 1m/hr and can still break Mach. It will take a long time, but I will break Mach. And I can even make the speed of light.
So I can reach supersonic in as short a time as possible.Of course its not to say that supersonic iff afterburner but this only further begs the question; why the extra thrust?
"LiJian" UAV's RD-93 jet engine ...
Mod, why not open a sticky thread for "LiJian" UAV? Pls ...
So I can reach supersonic in as short a time as possible.
China "Li Jian" stealth UAV & America X-47B
"Li Jian"'s weapons bay (the UAV model carry lazer guide bombs)
"Li Jian"'s air inlet details
Aahh...In case it was unclear, my question was with regards to the UAV. So the UAV is meant to go supersonic?
Aahh...
You need a certain amount of speed to become airborne. But if you want to do it in as short a distance as possible, then you need as much thrust as your airframe can handle under acceleration. Once airborne, that powerful engine can be helpful in many ways, as in gaining altitude as quickly as possible to avoid ground air defense, for example. Or you can use that reserve power to drop altitude as quickly as possible to provide emergency support, for another example. So supersonic speed is not always the reason of having a powerful engine.