Wednesday, November 02, 2016

Tejas - our first fighter aircraft

The HAL/ADA Light Combat Aircraft or Tejas is a brilliant achievement by Indians and is perhaps one of the most significant achievements of Indian inventors. It is a largely indigenous, about 73% as per the CAG report of 2012 (except for the engine, radar, the ejection seat and some missiles)

Is the project delayed?
Firstly, I have seen so much bad press about the delay of this project (such as this one). Some points to note here are
1) The first time money was actually spent to initiate a proof of concept was in 1993
2) The first flight actually happened by 2001

This makes it a 8-9 year from money given to showing a functional model which is about the time that almost any company/country takes 

From 1993 to 2016 is a 33 year time frame, yes, but 33 years is not a "delay". A delay happens after you commit to a time and then you do not deliver in that time. There were several challenges to completing this project in time such as changing requirements, Kargil, Pokhran blasts resulting in an Embargo, so on and so forth.

Is it fully indigenous?

Second, the common negative that is pointed out is that it is not fully indigenous as some parts are imported. Here I want to break up this argument in multiple parts
1) Indigenous actually means it is designed and manufactured in India which it is. So it is indigenous. Period.
2) Even if you want a model where there are no parts of the aircraft that are imported, there are two arguments. Worldwide some of the parts are pretty much used as a standard and there is no need to reinvent the wheel. For instance refer the article here "A few other important items of equipment (such as the Martin-Baker ejection seat) have been imported. But the Martin-Baker ejection seat is virtually a universal standard and virtually there are no aircraft systems around the world that manage without their technology." Second, across the world, there are many successful aircrafts that import parts. For instance F16 imports 60% of its parts. Gripen uses more than 50% of imported parts. 
3) There was an attempt to create an indigenous Kaveri engine. I have heard that we were not successful in completing it for the payload requirements. However, I am optimistic at some stage we will get there. 

The critical aspect is that we have designed it and are manufacturing it in India.


It is still a generation behind and not advanced enough

Obviously it will not be. Humans did not build the Brihadeeshwara Temple in Tanjore or the Great Pyramid before they built a hut to stay. 

We will get there. 

The important thing to note here is that all of the critical elements of having a R&D centre, a simulation lab, a training place, an infrastructure that supports prototyping, a large number of people who possess the knowledge and skills needed for a program of this kind, several patents in this area etc. are all now in place.

It took a lot of time for humans to invent a computer, but once we did, see how it has exploded the world in a few short years. Same is the case with the first model. Once you have that in place, the rest is not going to be so tough.

Does this mean we have done extremely well?

No. I do not mean to say that we have delivered a world class product in a very short time and there is nothing we could have done better. I know how Indian PSUs work, and how much bureaucracy there would have been etc. I am pretty sure there were unwarranted delays. All I am saying is, all said and done, I am proud and it is still a commendable achievement. We have not caused a delay that say any other country would not have had to go through to develop their indigenous aircraft and our aircraft is no less superior to any other aircraft of its class. So definitely a pat in the back.


Am posting my post in my other blog here as well

1 comment:

Avijit said...

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