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TR Propulsion Systems

Zafer

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I belive Turkish engine industries' engine projects will encompass the entire spectrum of engines in the long term and current projects are only the high priority ones.
 

TheInsider

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KALE delivered the "third batch" of serial production cruise missile engines a few days ago. Every batch includes "dozens" of engines.
 

TheInsider

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Do we have any news about Gezgin?
I take this as the engine of Gezgin. Yes, it is in development. Prototype production activity is going on.
KTJ-3700 nearing the end of bench tests. It is being integrated into Kara Atmaca and will be test-fired in the second quarter of this year. The first batch of serial production KTJ-3700 will be delivered this year. KTJ-3700 is the optimized version of KTJ-3200. They have identical size and weight.
 

Samba

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In technical and technological terms, how different is it to produce a turbofan engine than a turbojet one?
 

Zafer

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In technical and technological terms, how different is it to produce a turbofan engine than a turbojet one?
3 -8 times as difficult; your power turbine needs to generate enough power to drive both the fan and the compressor which means 2 or 3 concentric shafts and a hotter running engine. You also need 2-3 sleeves to separate gas streams. There are various degrees of complexity to turbofan engines as there are more components and aspects of engines to deal with. Kale missile turbofan and TF35000 engine by TR-Motor are the simplest and the most complex turbofan engines Türkiye is making.
 
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Zafer

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Arat is turbojet engine
Arat is the name for Gezgin missile and Gezgin would best be equipped with a turbofan engine but they chose to squeeze in another turbojet instead of making a turbofan in time, rendering the turbofan engine an engine for future missiles.
 

Shtr

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Kale Arge also started Turbo Fan motors at 2023. Their design phase is in prorgress. I expect in a few years we see some advances in the field of turbo fan designs.
 

uçuyorum

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Yep as far as we know ARAT is turbojet and will power gezgin. If we want tomahawk ranges, we will probably have to go through a few iterations of this.
 

TheInsider

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I expect both turbojet and turbofan versions of the Arat engine to be developed. The advanced prototype of the turbojet version will probably appear next year. We might see a mock-up or design picture this year.
 

Zafer

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I have to rightfully make an insertion as this point. When the TJ3200 engine was being worked on I had started learning how to sketch 3D and sketched a TJ3200 equivalent engine. At a trade-show when I saw the Kale team engineers I mentioned my design and what pressure ratio it would provide but the engineer was skeptical and said it was excessive. My design had one more stage than the Kale engine and provided 20% more pressure. Turns out the Arat jet engine is doing exactly the same thing adding one more stage and extending the length. So they had to make the lesser one before they make the better one.
 

Profchaos

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I have to rightfully make an insertion as this point. When the TJ3200 engine was being worked on I had started learning how to sketch 3D and sketched a TJ3200 equivalent engine. At a trade-show when I saw the Kale team engineers I mentioned my design and what pressure ratio it would provide but the engineer was skeptical and said it was excessive. My design had one more stage than the Kale engine and provided 20% more pressure. Turns out the Arat jet engine is doing exactly the same thing adding one more stage and extending the length. So they had to make the lesser one before they make the better one.
I logged in to the account after maybe 6 months so that i can laugh at this comment outloud 😂😂😂😂😂
 
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