Turkish THK Prototypes & Projects

hesham

hesham

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Hi,


that site,which I discovered it before,it spoke about Turkish aircraft and projects,
and the Yunus was tandem two seat low-wing jet basic trainer project.


 

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Hi all,

found these poor pictures from two turkish trainer aircraft, I never seen. If you have drawings, better quality pictures and specifications, please let me know.

Thanks, Maveric
 

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The first Hurkus prototype began flight tests in August of this year. More information is available at the TAI website, https://www.tai.com.tr/en/project/hurkus
 
here some pictures from the Hürkus
 

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The current prototype flying is the A version for civilian registry, Hürkus-B is the Air Force training version,while the Hürkus-C is the armed version,here a concept of it
 

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OK, the "Hürkus" is a real aircraft, can you tell more about the "Yunus"?

Thanks, Maveric
 
sry but this is the first time that i hear from the Yunus project,not much is known,but i will ask in other forums
 
finally found some pics from the Yunus project!!! and the link where i found it,sry it's in turkish!

http://kokpit.aero/yunus-jet-egitim-ucagi
 

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Great find Stimpy75,


and here is a more info about THK-16;


http://www.secretprojects.co.uk/forum/index.php/topic,10411.msg97901.html#msg97901
 
some more pics while surfing through the web,it's the THK-13
 

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some more,
 

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some more and the THK-11 light transport
 

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XP67_Moonbat said:
So that flying wing was going to be carried by balloon, released, and fly with rockets attached under the wings? Fascinating.
Click to expand...

I think you are right my dear Moonbat,but so weird,I never heard about something like it
in Turkey.
 
hesham said:
XP67_Moonbat said:
So that flying wing was going to be carried by balloon, released, and fly with rockets attached under the wings? Fascinating.
Click to expand...

I think you are right my dear Moonbat,but so weird,I never heard about something like it
in Turkey.
Click to expand...

THK-13 was an actual glider, which flew in late 1940's AFAIK.

However, the concept drawing for a rocket powered glider (THK-13BR) to be launched from a balloon is from a Sci-Fi story: http://serdara.com/ankara-bilimkurgusu-thk-13br-ucan-guve/
 
No problems.

Speaking of trainer aircraft, Turkey had a project to locally manufacture a jet trainer / light attack aircraft in mid 1970's, shortly after the establishment of governmet owned aircraft company TUSAS.

Aermacchi MB339 and Hawker Siddeley Hawk were short listed (the other two contenders were Alpha Jet and F-5F). TUSAS selected MB339, while the Air Force insisted on hawk, due to much better performance, albeit much higher price and unsuitable payment conditions.

TUSAS began contract negotiations with Aermacchi. Program covered total of 60 jets, the first two delivered by Italians, the rest to be manufactured with increasing local content at each batch. Contract also included transfer of technology, training, rights to export to "Islamic countries" etc.

The project was cancelled literally at the very last minute by the intervention of the MoD and the Prime Minister (coalition government: the ministry controlling TUSAS and MoD were different parties). All Italian counterparts were ready at the signature ceremony but the event was cancelled by a phone call.

Alas, the successor of the Hawker Siddeley, BAE Systems is now partner of TAI, successor of TUSAS in the indigenous fighter jet development programme!

Ads%25C4%25B1z.jpg

http://www.siyahgribeyaz.com/2016/02/turkiyenin-son-anda-iptal-edilen-egitim.html
 
all those projects were by polish expatriatries after the German invasion . As they left for places like Canada it became even easier to close them down .
 
sry , i know it's not a trainer,but this is the first official rendering of the TFX

p.s. next wednesday i will be at the İDEF 2017 military fair here in İstanbul
 

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Interestingly, they've halted production of Hurkus-B trainer aircraft. And will introduce a variant with composite structures. Seems Turkish Airforce is okay with the halt in deliveries.

Two Hurjets are currently having metal cut and composite skins baked.
 
XP67_Moonbat said:
So that flying wing was going to be carried by balloon, released, and fly with rockets attached under the wings? Fascinating.
Click to expand...
That combination makes perfect sense for the Luftwaffe's 1945 role when they needed hundreds of interceptors to loiter above possible routes for WALLIED bombers, then release from the balloon, shoot down a few WALLIED bombers, then land for refuel.
 
stimpy75 said:
here some pictures from the Hürkus
Click to expand...
Why does Hurkus have such a huge dorsal fin?
Yes, we know that the extra dorsal fin helps with spin recovery.
It looks like an after-thought.
The trend towards huge after-thought fins, strakes, etc. on trainers seems to have started with the Pilatus P-3, piston-pounding trainer introduced in 1953. Pilatus structural engineers argued for a short fuselage to save weight while stability and control engineers argued for a longer fuselage. Structural engineers won that debate, but shortly after it entered service, Swiss Air Force instructor pilots complained about poor spin recoveries. So Pilatus borrowed a Stanley Extractor ejection system and flew exhaustive spin tests. The solution was a huge extra ventral fin under the aft fuselage.
Later trainers: BAE Hawk, Beechcraft Musketeer (in Canadian Air Command service), Canadair Tutor, Cessna T-37 Tweety Bird, French Epsilon and all successive Pilatus trainers got a variety of extra fins, strakes, etc. Heck! Even deHavilland's 1930s vintage Tiger Moth needed extra horizontal strakes to meet RAF spin recovery standards.
Is it that difficult to design a fresh-sheet trainer for good spin characteristics?

Which tail configurations are best suited to good spin recovery?
I am thinking about long tail moment arms, generous control surfaces, horizontal tail NOT masking the rudder, squared aft fuselage, etc.
 
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From Flightlobal 1999,

the TAI Agricultural project,but I don't know if it was actually built or not ?.
 

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AS PER AN AA INTERVIEW WITH HÜRKUŞ TEST PILOT MURAT ÖZPALA

-Detail parts manufacturing has started for Hürkuş-2. First flight expected in a year.
 

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