PeeD
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A short timeline of the whole F-5 based project:
1987, while still in war the Simorgh/Azarakhsh project was started. Probably initially because spare part stocks were getting low. Maybe something like 5% of very wear-affected spareparts that were not in the depots started already earlier than 1987 but the process of part production beyond wear replacement spare parts started then. The goal was to build enough parts at one point to build a complete airframe. This decision resulted in 30% of all parts by 2001 = 14 years.
2001-2004, it was then that the Saeghe was developed and part production increased by 6% to 36%. The Saeghe was a attempt to also improve air to air capabilities of the project which by now was given up when it comes to aerodynamic improvements that increase maneuvering performance.
2004-2007, a small batch of the Saeghe was produced, getting familiar with a fighter production line. This lead to a 20% higher parts amount in 3 years, pushing it up to 56%. Why such a sudden increase? Likely some key technologies were mastered such as the whole hydraulic and actuator suite got qualified or major air frame sections (relative simply and high number) got qualified.
2007-2012, a increase of parts production by 9% to 65% in 5 years and the unveiling of the Saeghe-2 twin seater, probably by then it was preferred to develop a ground attack twin seat aircraft instead of something for air to air. HOBS WVR missiles make dogfight maneuverability for which a twin tail would bring some limited benefits, unnecessary.
2012-2018, Switch back to single tailfin bomber, trainer and avionics testbed. Parts increase by 23% to 88%, primary due to the use of the indigenized Owj engine, the most difficult single subsystem to master.
Now what are those 12% left? If they count accurately probably the microchips, LCD panels etc. and parts that can be easily bought in open market (LED diodes, transistors etc.) or require a very high number mass production to become economical such as o-rings. I can't think of a part left that would be hard to master and explain the remaining 12% like for example a INS or radar. Maybe they push it for another 5-7% if the production/upgrading reached max. level.
A FBW system (source: RQ-170) is what is left to be developed, plus a PESA/AESA based on 3rd Khordad, Bavar experience. Mastering these will pave the way for future advanced projects.
1987, while still in war the Simorgh/Azarakhsh project was started. Probably initially because spare part stocks were getting low. Maybe something like 5% of very wear-affected spareparts that were not in the depots started already earlier than 1987 but the process of part production beyond wear replacement spare parts started then. The goal was to build enough parts at one point to build a complete airframe. This decision resulted in 30% of all parts by 2001 = 14 years.
2001-2004, it was then that the Saeghe was developed and part production increased by 6% to 36%. The Saeghe was a attempt to also improve air to air capabilities of the project which by now was given up when it comes to aerodynamic improvements that increase maneuvering performance.
2004-2007, a small batch of the Saeghe was produced, getting familiar with a fighter production line. This lead to a 20% higher parts amount in 3 years, pushing it up to 56%. Why such a sudden increase? Likely some key technologies were mastered such as the whole hydraulic and actuator suite got qualified or major air frame sections (relative simply and high number) got qualified.
2007-2012, a increase of parts production by 9% to 65% in 5 years and the unveiling of the Saeghe-2 twin seater, probably by then it was preferred to develop a ground attack twin seat aircraft instead of something for air to air. HOBS WVR missiles make dogfight maneuverability for which a twin tail would bring some limited benefits, unnecessary.
2012-2018, Switch back to single tailfin bomber, trainer and avionics testbed. Parts increase by 23% to 88%, primary due to the use of the indigenized Owj engine, the most difficult single subsystem to master.
Now what are those 12% left? If they count accurately probably the microchips, LCD panels etc. and parts that can be easily bought in open market (LED diodes, transistors etc.) or require a very high number mass production to become economical such as o-rings. I can't think of a part left that would be hard to master and explain the remaining 12% like for example a INS or radar. Maybe they push it for another 5-7% if the production/upgrading reached max. level.
A FBW system (source: RQ-170) is what is left to be developed, plus a PESA/AESA based on 3rd Khordad, Bavar experience. Mastering these will pave the way for future advanced projects.
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