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HaldilalSDF

Junior Member
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By the way, there is some talk of a Mk.1B and that prototype construction of the Mk. 2 has already begun?!! Can you explain a bit?

Yeah Tejas Mark1B will have improvement over the Mark 1A. And probably a Indeginious Engine. Few days ago HAL CMD announced setting of a Indeginious Aircraft engine manufacturing plant specially for fighter jets. Probably an improved Radar and avionics and some technology which are being developed for the MWF. Dont knew whether the MWF will have the current ordered engine or a Indeginious one.
 

HaldilalSDF

Junior Member
Registered Member
The offshot of the kaveri engines are numbered from K 4 to K 12. Dont have any exact details of which engine is under development but probably atleast 3.
 

HaldilalSDF

Junior Member
Registered Member
And here the break up of the Indeginious fighter family.
LCA Tejas FOC 32.
LCA Tejas Trainers 18 plus.
LCA Tejas MK1A 73.
LCA Tejas MK1B 73.

MWF Mark 1A and Mark 1B 170 plus.
MWF Trainers ?.

TEDBF IN 100 plus.

Tejas Derived advance trainer approved and under development.

SPORT 120.
 

HaldilalSDF

Junior Member
Registered Member
Ya @Deino
Some important observations-

1. This is the first indigenous fighter aircraft program where the end user which is IAF has participated in the configuration design stage. They were involved throughout and they provided their inputs regarding what they wanted exactly from Tejas mk2 or MWF.

2. The configuration design stage was completed in 2018 to the satesificaction of the end user .

3. The PDR of the various subsystems and modules started thereafter. The aircraft level preliminary design review was carried out last year and the PDP was completed in March 2020 .

4. The project is in detailed design phase. Covid 19 hampered some portions of the work while giving impetus to some others. Like the CFD computational fluid dynamics team clocked the highest core usage ever. Much of the work is complete. Most of the wind tunnel tests have been completed and some more are planned .

5. The detailed design phase will be over by this year and the CDR or critical design review will be carried out at the end of this year

6. All the raw material have been procured. Metal cutting of some components have started . Orders have been placed for long lead items and their production has already started.

7. The first MWF will be rolled out in mid 2022. The program is currently on track and schedule and Dr Deo is confident that the first flight will take place sometime in 2023.

Meaning Tejas mk2 or MWF will have its first flight even before the first Tejas mk1A is delivered to the Indian airforce.

8. All of the technologies being used in mk2 have already been proven and fine-tuned in mk1. So mk2 is actually a consolidation of the work carried out so far. The ADA team has learnt their lessons from mk1 and the work carried out in weigjt reduction and drag reduction have come handy while designing and developing the mk2.

9. Dr Girish Deodhare said that 50-60 percent of the work is over . Now it's time for actual realisation. Substantial work has also been completed on the Amca project while the team has also made progress on the TEDBF front .

What I am afraid of is IAF asking HAL to curtail Mk1A production from 73 to 45-50 and convert the remaining nos to mk2. This is possible given the tight deadlines that ADA has set for the MWF. And Sleve the MK1B to MWF.

Four MWF production standard aircraft's are planned initially. They will be used for flight testing . There won't be any prototypes. The testing programms would accelerated at the fast speed.
 

Deino

Lieutenant General
Staff member
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Registered Member
Ya @Deino
Some important observations-

...

7. The first MWF will be rolled out in mid 2022. The program is currently on track and schedule and Dr Deo is confident that the first flight will take place sometime in 2023.

...


Thanks a lot, but again at different forums you get different dates: At the PDF someone claimed production of the MWF already started "several months ago" and will celebrate its "roll-out already this August"!

So what is true?
 

HaldilalSDF

Junior Member
Registered Member
Thanks a lot, but again at different forums you get different dates: At the PDF someone claimed production of the MWF already started "several months ago" and will celebrate its "roll-out already this August"!

So what is true?
Well the process of manufacturing the first standard MWF already started but will take some time at best early 2022.
 
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