There are various methods of testing a new engine.Thanks for the response.
How would the indigenous engine be tested? Will there be a 4 engine flying test bed or will Kaan be used (1 x F110 + 1 x new engine)?
I will be astonished if a new engine is tested and certified by 2028... but I have no idea what is going on behind closed doors. I wonder when the first development engine will run.
First a newly developed engine has to go through rigorous ground testing procedures.
After initial firing, an engine is tested and upgraded for a long time. The TF6000, for example, intended to give 6000lbf dry thrust, may only give 3500lbf during first firing. Then it is upgraded, fine tuned gradually, until it has an output of 6000lbf.
Once these are completed and the engine is ready to fly, then it is more prudent to fly a single engine with another old engine in tandem in case there are problems and the plane and pilot are not compromised.
How Tusas will progress about these test is something they will do according to their systems and program.
Tusas insists that the 2 out of 14 prototypes will have indigenous engines powering them by 2028. We will see. (Certification of a military engine is a lot easier and quicker than a civilian engine.) First firing should be by sometime in late 2025 or early 2026 if they intend to meet the deadline of 2028 first flight.
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