@Bhartiya Sainik brethen what is the size of IWB of amca. I have heard it will carry rudram 1 internally for that iwb will need to be large enough around 5.5m long. Is that true
That's 50% increase in length & 300-375% increase in weight of 600 Kg
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comapred to 12-13' long BVR-AAMs weighing 160-220 Kg. Where exactly did u hear that? I don't communicate with DoD people. I'm not journalist. IDK.
It is not impossible but in my low IQ understanding then it will need folding fins, AMCA will become AHCA & its looks will change. No heavy jet has done it so far - F-22, Su-57, J-20. Then how can medium jet do it?
The following pic of Su-30MKI carrying Brahmos AShM, Rudram-1 ARM & Astr AAM is clear evidence why we need AHCA with IWB versions of all types of weapons.
If Rudram is called NG-ARM then we need N2NG-ARM (Next to Next Gen ARM)
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something like AGM-88G AARGM-ER. On January 12, 2024, Lockheed Martin was awarded a contract to integrate its modified version with all three F-35 variants.
For now, just think -
62' long F-22 can carry only 12' long AIM-120, AMCA fuselage is identical to F-22's.
65' long Su-57's IWB is 14.4' long. The 2 tandem IWBs are not joined otherwise it could have carried Novator & some ARM, AShM, cruise missiles.
Neither of them expanded their IWB for ARM, AShM.
For 58' long AMCA to carry 18' long AGM in IWB, the depth/height of IWB will also increase affecting the arrangement of other components changing the shape of fuselage, wings, a new jet basically.
Considering all the 3D & 2D art available on internet, the expo models, it doesn't seem so.
AMCA is just 4 feet shorter than F-22 & with identical fuselage so i'll take example of F-22.
Although many electrical, mechanical, electronic parts have been made compact, light BUT there are certain things which cannot be miniaturised, modified or bypassed like -
- air intake tunnel
- engines
- internal fuel tanks with good capacity
All other components are surrounding the above components.
Just behind the IWB are various components already shown in diagram above like cooling system, heat exchangers, pumps, reservoirs, additional sensors & electronics, (also some secret stuff causing export ban).
So if the IWB is extended backwards then all those components will have to shift sideways, upwards, downwards causing the rear fuselage to bulge out but there is an aeronautical engineering design parameter called "Whitcomb Area rule" implimented on F-22 & hence most probably on AMCA also.
We can see how the fuselage narrows down towards rear after IWB
If the engine get pushed up causing hump it might look like YF-23
You can separate the engine gap to create longer IWB like in Su-57 but no jet in peace time patrol regularly carries big heavy weapons affecting fuel economy & military budget, except for excercises. Nobody has to be that ready all the time. And like i said earlier SU-57 did not join the tandem IWBs. There are some old diagrams on internet for Su-57 weapons options, size comparison, with folding fins also.
A similar design difference of lateral Vs tandem bays was seen for Mitsubishi F-3 iterations. Now it seems to be merged with Tempest to create GCAP. We have to wait & see about its weapons bays.
If the entire IWB is extended backwards then wing tips will also shift backwards & new structure will look like fictive FB-22
Similarly AMCA will become ALBA (Advanced Light Bomber Aircraft)
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