Need to learn to walk before you learn to run.Thought you were referring to AL-31
If that is true then that should`ve been plenty of time for iran to develop an airframe design,as any engine would almost certainly be a reverse/reengineering of an existing engine in irans possession,which would naturally mean that both its dimensions and performance envelope would be known well in advance and it would leave plenty of time to develop an airframe design and even a mockup.However the only remotely possible new airframe design that we have seen would be the q313,and we`ve heard nothing more back at all from that since its taxi tests of a few years ago.Iran has been working on “heavier” engines for more than a decade.
And why would you build a plane (airframe) before you have it’s engine? Makes no sense.
Shahed-149?Unveiling of turbofan engine for UAVs on Defense Industry Day
Minister of Defense: Tomorrow, the production line of the peak engine will be opened; A fourth-generation light turbofan engine for drones will also be unveiled. Two missile products will be unveiled.
#Ministry of Defence