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HAL Tejas | Updates, News & Discussions-[Thread 2]

beijingwalker

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In 1983, the Government of India established the LCA project with the initial goal to develop a new light combat aircraft to replace the ageing IAF fighters.
This is 40 years ago, the chief engineers of this project must still be teengers when this project first started.
 

MirageBlue

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So F-16 flew better with Teja control 11:56 :what: ? idk how it was integrated at first place
It was integrated on the F-16 VISTA at Calspan. I have read about this in Air Marshal Rajkumar's book on the Tejas. It was American test pilots who remarked that the F-16 VISTA flew better when the LCA Fly By Wire FCS control laws were loaded in place of the F-16's control laws.

 

MirageBlue

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Tejas Mk1 LSP upgraded to FOC standards, taking off



Img credit - Gaur.aviation
From Grp Cpt HV Thakur

When you see the Tejas pilot and want to cross ahead of him for take off


Tejas Mk1 LSP upgraded to FOC standard
Large Area Display that will be used on the LCA SPORT (LIFT) and the Tejas Mk2

 
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Goenitz

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@JamD
Is it possible? If yes, then to what degree? I hv limited knowledge of control system.
Besides architecture/technique and communication protocols, how could L.Martin reveal their system specifications so that Integration can take place?
 

Huffal

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You won’t be paid your 50 cents as you posted Swedish Gripen aircraft as Tejas, not surprising as your state run media was also caught using LCA footage in their J-10 propaganda video.
Lol. Thats embarrassing. Almost as bad as using Pakistani ballistic missiles pictures for the background of some indian nuclear scientist...
 

JamD

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@JamD
Is it possible? If yes, then to what degree? I hv limited knowledge of control system.
Besides architecture/technique and communication protocols, how could L.Martin reveal their system specifications so that Integration can take place?
I believe there might be some truth to the claims that is then dressed up and presented as something else. What the likely story is:
People from DRDO were sent to various countries to learn the ropes. Lockheed Martin and Dassault in particular. I am fairly sure that this did indeed happen. LM stopped collaboration after the nuclear tests in 1998. It is very possible that DRDO engineers had the chance to learn and develop a version of the flight-control laws for the X-62. And after 1998 these engineers brought back that experience to India and helped develop the LCA's control laws. And then saying "X-62 flew better with LCA's control laws" is the usual bravado.

The deeper point to note is how deeply India has been collaborating with the west in aerospace and for how long. Do we seriously want to believe that 3-4 decades of exchanges have not benefited India greatly even if their final product (LCA) looks less than adequate? They have been playing the technologies game and in that game they have done extremely well. DRDO got flight control tech and engine tech from the west (LM and Dassault, respectively).

On the other hand, we have been playing the capabilities game and done pretty well too. As time has gone by and as our economy has faltered more and more, our technologies game has picked up an increasing amount of rot. We did pick up technologies too but only in a limited manner. We got the ability to manufacture JF-17's structure only. We have little to no experience with engines or flight control laws (https://quwa.org/2020/04/19/why-pac-needs-in-house-development-of-flight-control-systems-2/). It's only a matter of time before India's long-term technologies game beats the crap out of our short-term capabilities game, especially since we rely on buying a lot of our capability and our economy isn't able to support that approach anymore.

In a way what India did in the 90s, MAYBE we are doing with the Turks in 2020s. Just saying. And even that effort might lead us nowhere but it is super important exactly for the reason that we need to build technologies.
 

Arulmozhi Varman

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Unfortunately, the Bhakt IT coolies who wrote the FBW $hit for the Boeing 737 MAX caused it to crash. Twice.

Boeing had to ground these planes, causing tens of Billions in lost revenue. Thanks very much IT coolies.

Whether Boeing intends to sue the pants off of the Backoffice outfit in India which it hired, remains to be seen.

Knowing Indian IT companies, they will slip like a slippery eel from accepting any blame.

Compare this to the Japanese chap in Istanbul whose bridge failure caused him to sadly end his own life. He took personal responsibility.

That is the difference between a third-rate Bhakt IT coolie who cheated his way through everything and a responsible Japanese person with some principle. MAJOR difference.
You are way beyond stupid you if think BA or any other aerospace companies would let their FCS or FBW code to third party companies. But of course this is pdf and we have lots of idiots. Their their core engineering software. Or heart of control systems.

HCL has a huge clientale which also includes Airbus in their Bangalore and Chennai campus. The testing is performed there not development of the core software.
Other development takes place includes software hardware implementation of test fixtures for various electronic boards and parts.
 

Suriya

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I believe there might be some truth to the claims that is then dressed up and presented as something else. What the likely story is:
People from DRDO were sent to various countries to learn the ropes. Lockheed Martin and Dassault in particular. I am fairly sure that this did indeed happen. LM stopped collaboration after the nuclear tests in 1998. It is very possible that DRDO engineers had the chance to learn and develop a version of the flight-control laws for the X-62. And after 1998 these engineers brought back that experience to India and helped develop the LCA's control laws. And then saying "X-62 flew better with LCA's control laws" is the usual bravado.

The deeper point to note is how deeply India has been collaborating with the west in aerospace and for how long. Do we seriously want to believe that 3-4 decades of exchanges have not benefited India greatly even if their final product (LCA) looks less than adequate? They have been playing the technologies game and in that game they have done extremely well. DRDO got flight control tech and engine tech from the west (LM and Dassault, respectively).

On the other hand, we have been playing the capabilities game and done pretty well too. As time has gone by and as our economy has faltered more and more, our technologies game has picked up an increasing amount of rot. We did pick up technologies too but only in a limited manner. We got the ability to manufacture JF-17's structure only. We have little to no experience with engines or flight control laws (https://quwa.org/2020/04/19/why-pac-needs-in-house-development-of-flight-control-systems-2/). It's only a matter of time before India's long-term technologies game beats the crap out of our short-term capabilities game, especially since we rely on buying a lot of our capability and our economy isn't able to support that approach anymore.

In a way what India did in the 90s, MAYBE we are doing with the Turks in 2020s. Just saying. And even that effort might lead us nowhere but it is super important exactly for the reason that we need to build technologies.
@Joe Shearer You can dispel the doubt raised above, since If I remember correctly u have talked it once.
 
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Sudarshan

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Then why ridicule others on it then
State owned media is state owned, what privies do is not my business, and its not that you haven’t done it, I remember a thread onthe topic of your government using Indian pictures for his own Tabdeeli, will it matter then? Most media outlets search for pics on google images and post it. While in the case of video they literally picked it, edited it to make it look a bit different and then posted it.
 

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