ADA Tejas (LCA) News and Discussions

[TPFscopes]

pehchan kaun???? the original concept of LCA...View attachment 19226

There were two designs are presented at preliminary stage.
One is mentioned by you, and other one was very similar to F-16xl (pic was posted earlier)

But later on , ADA freezed the compound delta wing design.

 

[Kunal Biswas]

Their were more than 2 designs, All of them went through wind-tunnel test and the present design suited the IAF requirement ..

In the photo, Gripen look alike design as well as simple HF-73 look alike design and other were rejected ..

pehchan kaun???? the original concept of LCA...View attachment 19226

Proof? And if true why was this design junked?

There were two designs are presented at preliminary stage.
One is mentioned by you, and other one was very similar to F-16xl (pic was posted earlier)

But later on , ADA freezed the compound delta wing design.

 

[Kunal Biswas]

Earlier the engine bay skin and bay doors were manufactured from an Aluminium alloy . Now NAL has developed a new bismaleimide resin based carbon fibre composite capable of withstanding and maitaining its structural strength at high temperature. This BMI CFC is currently being used to manufacture the engine bay doors and skin. This new material door has already been flight tested and certified and is now in series production.

 

[TPFscopes]

. . .

 

[Superdefender]

LCA Tejas absolutely on right trajectory and getting better
Friday, August 25, 2017
By: ADARSH T
_____________________________________

Basic functionality to understand, Tejas was / is built to replace Mig-21 for point defence and interception purposes. Not as an forward strike force or deep strike force fighter.
Coming on to the fact that will Tejas be obsolete by the time Mk.2 enters service ? Answer is NO. Even though Raptors entered service with USAF has U.S. replaced its entire fleet of 4th Generation Planes with Raptors ? NO. F-15 & F-16 are still getting much needed upgrades and life of F-16 is extended upto 2048.
Even though Russia has developed PAK-FA why are they inducting more Su-35’s ?
It is a fact that IAF is suffering from a depleting squadron strength as Mig-21 and Mig-27 are retired and Mig-29 and Jaguars will also retire by end of next decade. To keep up the squadron strength, India has now Su-30s coupled with Rafales and next IAF will have AMCA and Su-57. Tejas will also fit in this role, but it does not mean that it is a less potent aircraft and is inducted only to keep a numerical strength.
Tejas was built to replace Mig-21 for point defence and interception purposes so it does not necessarily becomes obsolete as fifth generation fighters have entered service. India is actively working on fifth generation projects like PAK-FA and AMCA which will hopefully enter Indian service by 2030.
Tejas is also developed by keeping adversaries at bay. Now no PAF aircraft except F-16 Bk.52 is as technologically advanced and potent as Tejas Mk.1 & Mk.1A. The newer F-16 Bk.52 with PAF is as advanced as Tejas while Tejas edges out the older F-16 Bk.30 of PAF which is being upgraded now. Leaving that PAF operates now obsolete upgraded Mirages , technologically inferior JF-17 and F-7 ( Chinese Mig-21 )
The Latest updates of Tejas MK2 is in good mode and on speed track ::
- Avionics architecture has been finalized.
- New cockpit with bigger size (6”x8”) displays designs completed.
- Configuration of Active Phased Array based Unified Electronic Warfare Suite (UEWS) finalized
- The number of elements that can be incorporated with the existing geometry for the Antenna Array unit of AESA Radar has been finalized and performance parameters like range and Effective Radiated Power (ERP) computed.
- Night Vision Goggle (NVG) compatible L E D lights for Navigation lights and Taxi / Landing Lights are being developed. -
Engineering models have been developed. Performance is being evaluated.
- Conformal antenna developed for V/UHF
- Unified Pylon Interface Computer (UPIC) fixed in place of individual Pylon Interface Boxes
- GE-F414 engine for LCA AF Mk2 and a contract was signed with GE, USA in September 2012 and due for delivery by 2019.
- Canopy reshaping, outer cowl modification, actuator fairing extension and supersonic pylons have resulted in approx 20 counts (8%) drag reduction in supersonic regimes.
Trials to offload one hydraulic system to reduce the load on JFS during starting completed. This will help in cold weather high altitude operations.
Liquid Cooling System configurations, separate for Uttam AESA and UEWS have been finalized. However not sure if Mk.2 still will have Uttam radar or will got with Israel.
The closest competitors of LCA Tejas Mk.2 are J-10C , JF-17 Bk.3 and F-16 Block 70 along with Saab Gripen-E in single engine category. Tejas Mk.2 in its features will be far more superior to JF-17 Bk.3 as Bk.3 will host those technologies which are already available with Mk.1 and Mk.1A like HMD/S or AESA Radar among others. Bk.3 is not going to offer significant stealth features like Mk.2.
Tejas Mk.1 can give tough competition to J 10B and is slightly inferior to J10C. Tejas Mk2 with better aerodynamics and more stealth features, can catch up with J10C. Tejas Mk.2 will be a 4++ gen aircraft with tactical strike, air reconnaissance, air defense, and maritime roles which is enough for a light fighter and it can continue upto 2055 till it becomes obsolete.
This means India need not pour billions of dollars for other 4++ gen aircraft, instead can utilize MK.2 until 2055.
Comparing to its competitor GRIPEN-E, F-16, Tejas Mk-2 will be equally potent or even better and can definitely be the backbone of light category aircrafts of the IAF.
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This article has been written by ADARSH T exclusively for www.DefenceNews.in
Location: BANGALORE
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Source Link: http://www.defencenews.in/article/LCA-Tejas-absolutely-on-right-trajectory-and-getting-better-283884

 

[lcafanboy]

I think you are talking about PRODUCTION LINE.

Su-30MKI is still have pending orders till 2020 and after that it will be modified to churn out FGFA

No pending orders these incompetent bastards have slowed down the delivery to save their jobs. They are delivering only 12 su30mki when they can deliver 16-18. IAF Fighter shortage and national security be damned. Their jobs are more important.

 

[TPFscopes]

No pending orders these incompetent bastards have slowed down the delivery to save their jobs. They are delivering only 12 su30mki when they can deliver 16-18. IAF Fighter shortage and national security be damned. Their jobs are more important.

Bro, All Sukois are not ordered as a single order. And as per present situation, Nasik production line have total 61 pending /undelivered order and these all are bound to be delivered by july 2020.
i think, now you can calculate the production order.

None of the manufacturer in the world, raise its producton rate without filling its order book.

Good Day

 

[Chinmoy]

Are they waiting for MAHURAT? Or they want China to strike India and give blood y nose? All these are excuses these reservation quota chaap DK BOSE do not want to work. They have 123 on order if they have capabilities then deliver 123 in 4-5 years and and then demand more orders GOI & IAF will order seeing the speed of delivery. But when they are struggling with existing order who is going to give more orders to these incompetents.

IAF would not give orders based on delivery. If it had been the case, 5 Rafales a year is even pathetic by current HAL delivery status. But even before a single delivery, IAF has further mooted for 36 more Rafales.
So its not about churning out numbers for IAF. You have to make them happy with whatever they want. Mind you, for FOC, they are yet to demand Tejas firing Meteor. And one thing they already made clear, there would be only 20 IOC standard Tejas. So need of hour is not about churning out numbers, but to attain FOC and to go for Mk2.

As far as China is concerned, it is not the first time that they were knocking at our door. Its only this time that they got kicked and making noise. So do think logically.

 

[lcafanboy]

Bro, All Sukois are not ordered as a single order. And as per present situation, Nasik production line have total 61 pending /undelivered order and these all are bound to be delivered by july 2020.
i think, now you can calculate the production order.

None of the manufacturer in the world, raise its producton rate without filling its order book.

Good Day

Earlier HAL was delivering 16 SU 30 mki per year but they have brought down the delivery nos so as to keep the line open to save jobs. Why? Also all the Sukhoi HAL ASSEMBLED (oops manufactured) were from CKD or SKD supplied by Russians so actual manufacturing was done by Russians. Russia can deliver more than 100 sukhois per year if need be......

Why HAL is struggling when it has to do REAL Manufacturing with LCA because there are no CNC machines, 3-D printers, modern Automated manufacturing equipment, Autoclaves, etc. No third party vendors to outsource work, if they were actually manufacturing Sukhois where are vendors? all major systems were coming from Israel, France & Russia and HAL was doing screw drivergiri till now..............

 

[Chinmoy]

Earlier HAL was delivering 16 SU 30 mki per year but they have brought down the delivery nos so as to keep the line open to save jobs. Why? Also all the Sukhoi HAL ASSEMBLED (oops manufactured) were from CKD or SKD supplied by Russians so actual manufacturing was done by Russians. Russia can deliver more than 100 sukhois per year if need be......

Why HAL is struggling when it has to do REAL Manufacturing with LCA because there are no CNC machines, 3-D printers, modern Automated manufacturing equipment, Autoclaves, etc. No third party vendors to outsource work, if they were actually manufacturing Sukhois where are vendors? all major systems were coming from Israel, France & Russia and HAL was doing screw drivergiri till now..............

Look at these link......

HAL does have CNC machine.

https://www.slideshare.net/arkadutta58/cnc-machinery-summer-training-hal

3-D printers.........

https://3dprint.com/44403/hindustan-aeronautics-raju-rd/

 

[airtel]

Earlier HAL was delivering 16 SU 30 mki per year but they have brought down the delivery nos so as to keep the line open to save jobs. Why? Also all the Sukhoi HAL ASSEMBLED (oops manufactured) were from CKD or SKD supplied by Russians so actual manufacturing was done by Russians. Russia can deliver more than 100 sukhois per year if need be......

Why HAL is struggling when it has to do REAL Manufacturing with LCA because there are no CNC machines, 3-D printers, modern Automated manufacturing equipment, Autoclaves, etc. No third party vendors to outsource work, if they were actually manufacturing Sukhois where are vendors? all major systems were coming from Israel, France & Russia and HAL was doing screw drivergiri till now..............

Look at these link......

HAL does have CNC machine.

https://www.slideshare.net/arkadutta58/cnc-machinery-summer-training-hal
3-D printers.........

https://3dprint.com/44403/hindustan-aeronautics-raju-rd/

Most of the Components of Tejas are manufactured by Private Indian companies Like
HAL has created five “Tier-1” suppliers that each build a part of the Tejas. The front fuselage is supplied by Dynamatic Technologies Ltd, Bengaluru; the centre fuselage by VEM Technologies, Hyderabad; rear fuselage by Alpha Tocol, Bengaluru; wings by Larsen & Toubro, Coimbatore; and the tail fin and rudder by National Aerospace Laboratory and Tata Advanced Materials Ltd.
Each of these Tier-1 suppliers sources components and sub-assemblies from lower-order Tier-2 and Tier-3 suppliers, creating an aerospace industry around the Tejas.
In addition, a range of equipment is sourced from other private firms that are emerging as players in the aerospace realm: avionics racks and air intakes from Lakshmi Machine Works, Coimbatore; electrical panels from Amphenol, Pune; slats and elevons from Aequs, Belgaum; pipelines from Rangson, Mysore, and precision mechanical assemblies from Sri Koteswara Cam Systems, Secunderabad.
HAL plans to eventually outsource 69 per cent of the production of Tejas structural modules, with just 31 per cent of the work done in-house – consisting mainly of assembly and equipping work.
A visit by Business Standard to the Tejas production hanger reveals the most technologically advanced production line that HAL has ever set up – significantly more high-tech than the Hawk advanced jet trainer line that was established with BAE Systems.
The production jigs, on which Tejas components are fabricated, are calibrated with lasers to an accuracy of 50-80 microns (one micron is one-thousandth of a millimeter). This ensures repeatability, which means that every component coming off a jig is precisely the same, and can be switched across aircraft.
There are also robotic machines to drill the thousands of holes that are required in each Tejas’ carbon “skin”. These robots drill in two days what manual drillers earlier took two months to do.

http://ajaishukla.blogspot.in/2017/08/tejas-fighter-finally-achieves.html

 

[TPFscopes]

Earlier HAL was delivering 16 SU 30 mki per year but they have brought down the delivery nos so as to keep the line open to save jobs. Why? Also all the Sukhoi HAL ASSEMBLED (oops manufactured) were from CKD or SKD supplied by Russians so actual manufacturing was done by Russians. Russia can deliver more than 100 sukhois per year if need be......

Why HAL is struggling when it has to do REAL Manufacturing with LCA because there are no CNC machines, 3-D printers, modern Automated manufacturing equipment, Autoclaves, etc. No third party vendors to outsource work, if they were actually manufacturing Sukhois where are vendors? all major systems were coming from Israel, France & Russia and HAL was doing screw drivergiri till now..............

For Su-30MKI, HAL has enough capability to deliver 20+ units per year and presently they are delivering at a decent rate of 17-18 units per year.

For LCA,
In near future HAL will perform as a Integrator. All sub components will be outsourced from various vendors. Out of which Dynamatics will be the manufacturer of fuselage and TASL will manufacture its wings...

 

[patriots]

whats the difference between tejas trainer and fighter version

 

[TPFscopes]

whats the difference between tejas trainer and fighter version

The basic differences between trainer and fighter variants...
Main comparison is seating capacity.

Tejas fighter cockpit

Trainer cockpit

trainer variant incorporate almost duplicate cockpit for co-pilot which is used to train all trainees.
Trainer variant has dual life supporting system which significantly affect load carrying capacity.

 

[TPFscopes]

Shoulder to shoulder with Su-30MKI

 

[aditya10r]

Shoulder to shoulder with Su-30MKI
View attachment 19372

Elder Bro with younger brother.

《》《》》《》《》《》《》《》《》《》《》《》《》《》《》《》《》

 

[TPFscopes]

. .

 

[TPFscopes]

HAL's two Desi Birds in One Frame.....

 

[Kunal Biswas]

Not sure the date of publication but from official source ..

 

[aditya10r]

Not sure the date of publication but from official source ..

70% plus isn't bad at all.

Its really great. Considering we are in the nascent stage is really good.