TR Propulsion Systems

Strong AI

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At Teknofest, we caught up with our esteemed teacher Mahmut and asked him about the latest developments in engine technologies. Let’s start right away with the TF6000. What’s the current status?
The TF6000 is currently undergoing maturation testing. In terms of power, we've surpassed the power levels of the imported engines used in the first two Kızılelma prototypes. Thank God, we’ve reached those power levels. Of course, there’s still work to be done to get it ready for flight, but right now, we’ve shifted the focus from the TF6000 to the TF1000, because Kızılelma has now transitioned to an afterburning engine, as communicated to us.

You know, in their third prototype, they moved to an afterburning engine. So we prioritized the TF1000 over the TF6000 and are currently working on that.
Is Kızılelma likely to be the first aircraft it flies on? What kind of in-air testing are you planning?
It could be Kızılelma or Anka-3 that’s also coming. Although, Anka-3 requires the TF6000 due to its need for radar invisibility and low thermal signature, among other things.

But since Kızılelma switched to the afterburning version, it's being prepared for supersonic flight. Their requirements differ, so it’s hard to say which will fly first. The platform manufacturers will ultimately decide.
You've probably completed a significant portion of the testing.
Once we've tested all the critical aspects of the engine and handed it over, saying “you can fly now,” the platform teams make the final decision. Hopefully, that moment is near. We're eagerly following the process.

Rightfully, you’re cautious about giving dates. This is aviation delays can happen. But things are progressing well, right?
Let’s switch to the TS1400. It was delivered to the Gendarmerie on the Gökbey helicopter. We’ve been watching closely to see the Gökbey fly with the local TS1400 engine. What’s the current status?
The TS1400 engine is technically ready to fly in fact, it has already flown. It flew with the signatures of both our TEI engineering flightworthiness team and TAI’s flight safety team back in 2023.

Since then, we've conducted more testing. We already knew the engine could produce sufficient power, and that it could do so reliably and consistently. But the next step is to answer questions like: “Okay, you built it well but how long will it last? How durable is it?” That’s a longer-term testing process.
We’ve now completed durability testing. There’s a specific durability test designed by EASA (European Union Aviation Safety Agency) to stress the engine.

I previously mentioned in interviews that we repeated it about 10 times. We’ve now done it 25 times we've gone beyond that. And we’ve pushed the engine to 1,740 horsepower twice, and even a bit higher once. Thank God, it's still operational in terms of both durability and power output.
The required power for takeoff is about 1,370 horsepower under normal conditions. In emergency scenarios, like losing one engine, 1,660 horsepower is needed. We’ve gone beyond 1,740 horsepower. So, the engine is pretty much ready to power a helicopter.

So why is Gökbey still being delivered with imported engines?
There are two reasons: First, they already had a stock of imported engines. Second, and more importantly, Gökbey is an internationally certified civilian helicopter. That means the engine must also be civilian-certified.
It’s not enough for us to say, “Our engine passed the tests, you can use it.” The international certification authorities and their Turkish representatives must witness the tests and receive the official documentation.


As I’ve said before, the civilian certification process takes time.
But once it’s done, it proves something very important: People have asked, “Can you produce an engine for a passenger plane?” Once TS1400 is fully civilian-certified, it shows we can indeed build a commercial aircraft engine.
Why? Because a civilian-certified engine means it's safe and reliable enough to carry people on international platforms whether it’s for airplanes or helicopters.

So once that’s achieved, we’ll have reached a major milestone.
Technically, I already believe we can do it. It’s just a matter of going through the process. Once civilian certification is complete, you’ll see our engines being mass-produced. It’s a multi-year process, but not too far off.

Let’s also touch on the KAAN project your work there is very important. How is that going?
We’re not really allowed to give dates, as requested by our leadership. It’s more satisfying to say “We did it” once it’s done. But we are making rapid progress.
The main engine architecture has been finalized. We’re now in the detailed calculation phase. Next, we’ll move to prototype manufacturing and testing.

There’s still a long road ahead, but the engine prototype is not too far away, God willing.

You’re trying to build the most advanced jet engine possible.
Yes. And this class of engine we’re talking about the world’s most advanced aviation engine technology. Only 3 or 4 such engines exist globally in this category.
This isn’t a standard fighter engine like the F110. It’s a much more advanced one. It’s the peak of aviation engine tech.
Once you’ve built this, you can build anything passenger jets, etc.


And of course, that level of complexity means production takes time.
You’re producing a motor beyond standard alloys and standard manufacturing techniques pushing the limits. So it takes time.
We don’t want to make promises about speed, but we’re moving as fast as we can.
For example, the foreign engine currently used in helicopters made its first flight after 8 years. You can check this online. We did it in 6 years so we were pretty fast.
God willing, we’ll see similar or better progress with the KAAN engine too.

Let’s hope so.
After Gökbey, is the T925 or Atak-2 helicopter next in line? Any engines being developed for those platforms?
Yes, the Defense Industry Presidency is working on that infrastructure. You know we’re also producing the T700 engine under license, and we’ve effectively built most of it ourselves.

Once you’ve built one engine, building similar ones becomes faster and relatively easier.
There are preliminary studies for a larger engine, but the official green light and full-scale launch will be announced by the Defense Industry Presidency when the time comes.

But yes, we’re preparing.

So you’re getting ready maybe for a 3,000-horsepower class engine?
Exactly. Atak-2 needs an engine in the 3,000 hp class. Our current TS1400 is labeled 1,400, but in reality, it delivers 1,500 to 1,600 hp. So we expect the new engine to be about twice that in the 3,000 hp class. We’re preparing accordingly.

Thank you very much for taking time in your busy schedule to speak with us. Hopefully, we can go into more detail at IDEF.
Yes, hopefully! There are good updates but deciding when and what to announce is up to the Defense Industry Presidency.
We’ll see what they allow us to share at IDEF. Hopefully, we’ll be able to present exciting new developments then.
Thank you very much, sir. Best of luck and respect to you.
Thank you much appreciated.
 
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mTT

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At Teknofest, we caught up with our esteemed teacher Mahmut and asked him about the latest developments in engine technologies. Let’s start right away with the TF6000. What’s the current status?
The TF6000 is currently undergoing maturation testing. In terms of power, we've surpassed the power levels of the imported engines used in the first two Kızılelma prototypes. Thank God, we’ve reached those power levels. Of course, there’s still work to be done to get it ready for flight, but right now, we’ve shifted the focus from the TF6000 to the TF1000, because Kızılelma has now transitioned to an afterburning engine, as communicated to us.

You know, in their third prototype, they moved to an afterburning engine. So we prioritized the TF1000 over the TF6000 and are currently working on that.
Is Kızılelma likely to be the first aircraft it flies on? What kind of in-air testing are you planning?
It could be Kızılelma or Anka-3 that’s also coming. Although, Anka-3 requires the TF6000 due to its need for radar invisibility and low thermal signature, among other things.

But since Kızılelma switched to the afterburning version, it's being prepared for supersonic flight. Their requirements differ, so it’s hard to say which will fly first. The platform manufacturers will ultimately decide.
You've probably completed a significant portion of the testing.
Once we've tested all the critical aspects of the engine and handed it over, saying “you can fly now,” the platform teams make the final decision. Hopefully, that moment is near. We're eagerly following the process.

Rightfully, you’re cautious about giving dates. This is aviation delays can happen. But things are progressing well, right?
Let’s switch to the TS1400. It was delivered to the Gendarmerie on the Gökbey helicopter. We’ve been watching closely to see the Gökbey fly with the local TS1400 engine. What’s the current status?
The TS1400 engine is technically ready to fly in fact, it has already flown. It flew with the signatures of both our TEI engineering flightworthiness team and TAI’s flight safety team back in 2023.

Since then, we've conducted more testing. We already knew the engine could produce sufficient power, and that it could do so reliably and consistently. But the next step is to answer questions like: “Okay, you built it well but how long will it last? How durable is it?” That’s a longer-term testing process.
We’ve now completed durability testing. There’s a specific durability test designed by EASA (European Union Aviation Safety Agency) to stress the engine.

I previously mentioned in interviews that we repeated it about 10 times. We’ve now done it 25 times we've gone beyond that. And we’ve pushed the engine to 1,740 horsepower twice, and even a bit higher once. Thank God, it's still operational in terms of both durability and power output.
The required power for takeoff is about 1,370 horsepower under normal conditions. In emergency scenarios, like losing one engine, 1,660 horsepower is needed. We’ve gone beyond 1,740 horsepower. So, the engine is pretty much ready to power a helicopter.

So why is Gökbey still being delivered with imported engines?
There are two reasons: First, they already had a stock of imported engines. Second, and more importantly, Gökbey is an internationally certified civilian helicopter. That means the engine must also be civilian-certified.
It’s not enough for us to say, “Our engine passed the tests, you can use it.” The international certification authorities and their Turkish representatives must witness the tests and receive the official documentation.


As I’ve said before, the civilian certification process takes time.
But once it’s done, it proves something very important: People have asked, “Can you produce an engine for a passenger plane?” Once TS1400 is fully civilian-certified, it shows we can indeed build a commercial aircraft engine.
Why? Because a civilian-certified engine means it's safe and reliable enough to carry people on international platforms whether it’s for airplanes or helicopters.

So once that’s achieved, we’ll have reached a major milestone.
Technically, I already believe we can do it. It’s just a matter of going through the process. Once civilian certification is complete, you’ll see our engines being mass-produced. It’s a multi-year process, but not too far off.

Let’s also touch on the KAAN project your work there is very important. How is that going?
We’re not really allowed to give dates, as requested by our leadership. It’s more satisfying to say “We did it” once it’s done. But we are making rapid progress.
The main engine architecture has been finalized. We’re now in the detailed calculation phase. Next, we’ll move to prototype manufacturing and testing.

There’s still a long road ahead, but the engine prototype is not too far away, God willing.

You’re trying to build the most advanced jet engine possible.
Yes. And this class of engine we’re talking about the world’s most advanced aviation engine technology. Only 3 or 4 such engines exist globally in this category.
This isn’t a standard fighter engine like the F110. It’s a much more advanced one. It’s the peak of aviation engine tech.
Once you’ve built this, you can build anything passenger jets, etc.


And of course, that level of complexity means production takes time.
You’re producing a motor beyond standard alloys and standard manufacturing techniques pushing the limits. So it takes time.
We don’t want to make promises about speed, but we’re moving as fast as we can.
For example, the foreign engine currently used in helicopters made its first flight after 8 years. You can check this online. We did it in 6 years so we were pretty fast.
God willing, we’ll see similar or better progress with the KAAN engine too.

Let’s hope so.
After Gökbey, is the T925 or Atak-2 helicopter next in line? Any engines being developed for those platforms?
Yes, the Defense Industry Presidency is working on that infrastructure. You know we’re also producing the T700 engine under license, and we’ve effectively built most of it ourselves.

Once you’ve built one engine, building similar ones becomes faster and relatively easier.
There are preliminary studies for a larger engine, but the official green light and full-scale launch will be announced by the Defense Industry Presidency when the time comes.

But yes, we’re preparing.

So you’re getting ready maybe for a 3,000-horsepower class engine?
Exactly. Atak-2 needs an engine in the 3,000 hp class. Our current TS1400 is labeled 1,400, but in reality, it delivers 1,500 to 1,600 hp. So we expect the new engine to be about twice that in the 3,000 hp class. We’re preparing accordingly.

Thank you very much for taking time in your busy schedule to speak with us. Hopefully, we can go into more detail at IDEF.
Yes, hopefully! There are good updates — but deciding when and what to announce is up to the Defense Industry Presidency.
We’ll see what they allow us to share at IDEF. Hopefully, we’ll be able to present exciting new developments then.
Thank you very much, sir. Best of luck and respect to you.
Thank you much appreciated.

short summary:

ANKA = TEI-TF6000 Turbofan Engine
KIZILELMA = TEI-TF10000 Turbofan Engine = (TF6000 + Afterburner) (Priority)
TS1400 = We passed the EASA engine (durability) test without any problems (25 times). Civil certification is ongoing.
T925 = We have preliminary work on the TS3000 engine, which will be used in the ATAK-2 helicopter.
 

Strong AI

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short summary:

ANKA = TEI-TF6000 Turbofan Engine
KIZILELMA = TEI-TF10000 Turbofan Engine = (TF6000 + Afterburner) (Priority)
TS1400 = We passed the EASA engine (durability) test without any problems (25 times). Civil certification is ongoing.
T925 = We have preliminary work on the TS3000 engine, which will be used in the ATAK-2 helicopter.
  • TF6000:
    • Undergoing maturation testing.
    • Power output now exceeds that of imported engines used in early Kızılelma prototypes.
    • Temporarily deprioritized in favor of TF10000.
  • TF10000:
    • Now prioritized as Kızılelma has transitioned to an afterburning engine.
    • Intended for supersonic capabilities.
  • Kızılelma vs. Anka-3:
    • Kızılelma requires an afterburning engine (TF10000).
    • Anka-3 may use TF6000 due to stealth and low thermal signature needs.
    • Which aircraft flies first with indigenous engine depends on platform manufacturers.
  • TS1400 (for Gökbey helicopter):
    • Technically flight-ready; has flown since 2023.
    • Completed extensive durability testing, exceeding 1,740 horsepower.
    • Awaiting civilian certification—necessary for use in internationally certified helicopters.
    • Certification seen as a step toward commercial aircraft engine production.
  • KAAN fighter jet engine:
    • Engine architecture finalized; currently in detailed design and calculations.
    • Prototype development next.
    • Aims to be among the world’s most advanced aviation engines.
    • Comparable engines are rare globally (only 3–4 in existence).
  • Future helicopter engines:
    • Work underway for a new engine in the 3,000 horsepower class for Atak-2 and T925.
    • Builds on experience from TS1400 and T700 engine production.
 

BalkanTurk90

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TEI, Mahmut Akşit:

The details of the KAAN turbofan engine (TF35000) have been emerged, after that there will be prototype production. There is not much left to the prototype. There are 2-3 engines with this level in the world. When we build this engine, we will be able to build all kinds of engines in the world
 

Yasar_TR

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TEI, Mahmut Akşit:

The details of the KAAN turbofan engine (TF35000) have been emerged, after that there will be prototype production. There is not much left to the prototype. There are 2-3 engines with this level in the world. When we build this engine, we will be able to build all kinds of engines in the world
Theoretically what you say is correct. But in reality, each engine with a significantly different thrust level will present different peculiarities that will mean it will need to be redeveloped. There are computer programs that will tell you what you need to do when you produce a gas turbine engine. But what the computer tells you is actually no more than giving you guidance. Computer may tell you dimensions of a turbine blade. But a computer can not know what the idiosyncrasies of that blade is.
Yes, if we can build a 35000lbf thrust engine, it will give us a lot of self confidence in building another engine with say, 20000lbf thrust. But we will still need to go through all the test procedures and integration stages.
To give a small example:
Safran builds CFM engines with GE. Yet it took them years to mature their M88 engine.
RR built 24000lbf dry thrust Pegasus engine for Harriers and 40000lbf wet thrust F136 engine for the F35 with GE. But still had to develop a new engine from the XG-40 as a high end combat engine. Then it took years for RR and MTU to mature EJ-200 that flies Typhoons.

So , although it wouldn’t be like tackling engine building for the first time, it still wouldn’t necessarily be a walk in the park.
 
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Strong AI

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Theoretically what you say is correct. But in reality, each engine with a significantly different thrust level will provide different peculiarities that will mean it will need to be redeveloped. There are computer programs that will tell you what you need it do when you produce a gas turbine engine. But what the computer tells you is actually to give you guidance. Computer may tell you dimensions of a turbine blade. But a computer can not know what the idiosyncrasies of that blade is.
Yes, if we can build a 35000lbf thrust engine, it will give us a lot of self confidence in building another engine with say, 20000lbf thrust. But we will still need to go through all the test procedures and integration stages.
To give a small example:
Safran builds CFM engines with GE. Yet it took them years to mature their M88 engine.
RR built 24000lbf dry thrust Pegasus engine for Harriers and 40000lbf wet thrust F136 engine for the F35 with GE. But still had to develop a new engine from the XG-40 as a high end combat engine. Then it took years for RR and MTU to mature EJ-200 that flies Typhoons.

So , although it wouldn’t be like tackling engine building for the first time, it still wouldn’t necessarily be a walk in the park.
Bro he only quoted Mr. Aksit, but it looks like he put his own interpretation into it.
IMO Mr. Aksit basically tells that KAAN's indigenous engine will be so advanced, that with that technology obtained, they will be able to build all kinds of aircraft engines. Here is the whole part of his quote.
Let’s also touch on the KAAN project your work there is very important. How is that going?
We’re not really allowed to give dates, as requested by our leadership. It’s more satisfying to say “We did it” once it’s done. But we are making rapid progress.
The main engine architecture has been finalized. We’re now in the detailed calculation phase. Next, we’ll move to prototype manufacturing and testing.

There’s still a long road ahead, but the engine prototype is not too far away, God willing.

You’re trying to build the most advanced jet engine possible.
Yes. And this class of engine we’re talking about the world’s most advanced aviation engine technology. Only 3 or 4 such engines exist globally in this category.
This isn’t a standard fighter engine like the F110. It’s a much more advanced one. It’s the peak of aviation engine tech.
Once you’ve built this, you can build anything passenger jets, etc.


And of course, that level of complexity means production takes time.
You’re producing a motor beyond standard alloys and standard manufacturing techniques pushing the limits. So it takes time.
We don’t want to make promises about speed, but we’re moving as fast as we can.
For example, the foreign engine currently used in helicopters made its first flight after 8 years. You can check this online. We did it in 6 years so we were pretty fast.
God willing, we’ll see similar or better progress with the KAAN engine too.
 

Hannibal

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They said TF-35000, will have:

Low Observability
Thrust Vector Control
Supercruise

Will they do this in steps or all at once?
 

Strong AI

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zio

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I am very sad about TS-1400,that is waiting for civil certification,in fact for military version we do not need it.I remember for civil certification of hürkuş,waste of time and money.
 

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