DRDO, PSU and Private Defence Sector News

[WarmongerLSK]

What is different in mission mode? The missile is already ready right?

 

[Tactical Doge]

Radar absorbent paint inside achaar ki dibba

 

[SilentlAssassin265]

What is different in mission mode? The missile is already ready right?

Air launch and ship launched not ready

 

[Blood+]

Arjun 2.0- order minimal numbers that will ensure unit costs are sky high and indigenous content minimal. Then use this as an excuse to get 1000s of imported toys (ATHOS/T90)

all of a sudden the Indian armed forces have decided they’ll only ever provide 10-20% of their required numbers and leave 90-80% to the RFI gods

Nah, they made the right choice as far as Arjun "MBTs" are concerned but this dillydallying with ATAGS has no excuse at all.

 

[Lonewolf]

Radar absorbent paint inside achaar ki dibba

I know the guy who made this , asked a lot of questions , dude is a bit technical but want to apply it on rustom instead of amca , weird fella

 

[Ajax01]

I know the guy who made this , asked a lot of questions , dude is a bit technical but want to apply it on rustom instead of amca , weird fella

Better metamaterial based stuff is already made in IIT Kanpur and NAL. This is not very broadband. AMCA will have better options than these.

 

[Lonewolf]

Better metamaterial based stuff is already made in IIT Kanpur and NAL. This is not very broadband. AMCA will have better options than these.

Metamaterial have some properties which put it at disadvantage, can you give some related material about what iit kanpur research you are talking about ,i may get you some treat

 

[Lonewolf]

Metamaterial have some properties which put it at disadvantage, can you give some related material about what iit kanpur research you are talking about ,i may get you some treat

Well the guy who developed those particular meta materials is a alum of iit Kanpur, mtech and PhD from there , he got a lab under him

 

[Ajax01]

Metamaterial have some properties which put it at disadvantage, can you give some related material about what iit kanpur research you are talking about ,i may get you some treat

Optically Transparent Adhesives for Microwave Metamaterial Absorber With PET–PDMS Interface

Bonding of the heterogeneous layers of polymers as a trilayered (or multilayered) transparent metamaterial absorber (MA) is challenging, since the hydrophobic nature of interfacial surfaces does not allow direct bonding. Apart from the mechanical challenges to bond, microwave and optical...

ieeexplore.ieee.org

"absorbs more than 90% of EM waves within the range of 7.97–20.72 GHz "
This is a very interesting transparent one that is also flexible. They have been working on this for a long time now. They made a scratch resistant coating for it and now working on adhesives. It can survive above 500K temp so should be fine for aircraft < Mach 2.2.

Design of Broadband Microwave Absorber with 20 dB Absorption Bandwidth

A simple design configuration has been presented for broadband microwave absorber. The proposed designed structure is made using thin resistive film of indium tin oxide (ITO) to exhibits 20 dB absorption bandwidth in the frequency range of 7.36 GHz to 14.05 GHz with absorptivity nearly 99% at...

ieeexplore.ieee.org

"absorption bandwidth in the frequency range of 7.36 GHz to 14.05 GHz with absorptivity nearly 99% at the normal incidence. "
This is -20dB bandwidth material.
They are also working on excimer laser micromachining for making them.

Resistive Ink Based Microwave Absorber for S and C-Band with 99% Absorption

A simple design of a resistive ink-based microwave absorber for the S and C-band is presented here. The proposed double-layer absorber is printed on an FR-4 substrate using resistive ink. The proposed structure has more than 99 % of absorption from the frequency range 3.15 GHz to 8.4 GHz, which...

ieeexplore.ieee.org

"proposed structure has more than 99 % of absorption from the frequency range 3.15 GHz to 8.4 GHz "
This is for S and C band.
There was also a HAL research on RAS:

volume | PIER Journals

" RA is designed for -15 dB reflectivity from 6.2 GHz to 18 GHz. Embedded Passives (EP) resistor "
This is for UAV skin application but no reason why is can't be used for AMCA it is flightworthy
From NAL:

Design and Development of a Hybrid Broadband Radar Absorber Using Metamaterial and Graphene

Stealth airborne systems are low observable platforms, which bring together technologies in the field of aerodynamics, electromagnetics, and material science. Radar absorbing materials/structures play a key role in the design of such stealth airborne platforms. In this paper, a radar absorber...

ieeexplore.ieee.org

" The simulation result of the novel design over an ultra-wideband (1 to 60 GHz) yields good absorption (99.93 %). "
This last one is insane but its manufacturing maybe tough as it will have to have large area graphene sheets which is a challenge. I am posting the pdf I got from SciHub.
Other than that there are also Radar and IR absorber in the same material called biStealth absorber

 

[karn]

Optically Transparent Adhesives for Microwave Metamaterial Absorber With PET–PDMS Interface

Bonding of the heterogeneous layers of polymers as a trilayered (or multilayered) transparent metamaterial absorber (MA) is challenging, since the hydrophobic nature of interfacial surfaces does not allow direct bonding. Apart from the mechanical challenges to bond, microwave and optical...

ieeexplore.ieee.org

"absorbs more than 90% of EM waves within the range of 7.97–20.72 GHz "
This is a very interesting transparent one that is also flexible. They have been working on this for a long time now. They made a scratch resistant coating for it and now working on adhesives. It can survive above 500K temp so should be fine for aircraft < Mach 2.2.

Design of Broadband Microwave Absorber with 20 dB Absorption Bandwidth

A simple design configuration has been presented for broadband microwave absorber. The proposed designed structure is made using thin resistive film of indium tin oxide (ITO) to exhibits 20 dB absorption bandwidth in the frequency range of 7.36 GHz to 14.05 GHz with absorptivity nearly 99% at...

ieeexplore.ieee.org

"absorption bandwidth in the frequency range of 7.36 GHz to 14.05 GHz with absorptivity nearly 99% at the normal incidence. "
This is -20dB bandwidth material.
They are also working on excimer laser micromachining for making them.

Resistive Ink Based Microwave Absorber for S and C-Band with 99% Absorption

A simple design of a resistive ink-based microwave absorber for the S and C-band is presented here. The proposed double-layer absorber is printed on an FR-4 substrate using resistive ink. The proposed structure has more than 99 % of absorption from the frequency range 3.15 GHz to 8.4 GHz, which...

ieeexplore.ieee.org

"proposed structure has more than 99 % of absorption from the frequency range 3.15 GHz to 8.4 GHz "
This is for S and C band.
There was also a HAL research on RAS:

volume | PIER Journals

" RA is designed for -15 dB reflectivity from 6.2 GHz to 18 GHz. Embedded Passives (EP) resistor "
This is for UAV skin application but no reason why is can't be used for AMCA it is flightworthy
From NAL:

Design and Development of a Hybrid Broadband Radar Absorber Using Metamaterial and Graphene

Stealth airborne systems are low observable platforms, which bring together technologies in the field of aerodynamics, electromagnetics, and material science. Radar absorbing materials/structures play a key role in the design of such stealth airborne platforms. In this paper, a radar absorber...

ieeexplore.ieee.org

" The simulation result of the novel design over an ultra-wideband (1 to 60 GHz) yields good absorption (99.93 %). "
This last one is insane but its manufacturing maybe tough as it will have to have large area graphene sheets which is a challenge. I am posting the pdf I got from SciHub.
Other than that there are also Radar and IR absorber in the same material called biStealth absorber

Damn .. Thank you for this.. Looks like all parts required for a complete stealth aircraft are already in the laboratory stage.

 

[NoobWannaLearn]

 

[WolfPack86]

Exclusive: India’s defence major iComm signs deal with UAE to make country ‘Aatmnirbhar’ for small arms
New Delhi: In a historic move and a major push towards Prime Minister Narendra Modi’s Aatmnirbhar Bharat vision, MEIL group company iComm on Tuesday became the first Indian private company to sign a Transfer of Technology agreement with UAE’s Caracal to manufacture firearms for local market.

Sources close to development told Times Mow that iCOMM will locally manufacture CARACAL’s complete line of small arms for the Indian market, powering the ‘Make in India’ initiative.

Among the arms to be manufactured are CARACAL EF pistol, modern CMP 9 submachine gun, CAR 814, CAR 816 and CAR 817 tactical rifles, CAR 817 DMR tactical sniper rifle, CSR 50 anti-material sniper rifle, CSR 338 and CSR 308 bolt action sniper rifles and the CSA 338 semi-automatic sniper rifle, officials informed.

The signing took place at the ongoing IDEX 2023 in Abu Dhabi, UAE, one of the largest tri-service defence exhibitions in the world.

Sumanth P, Managing Director of ICOMM, said, “India’s Defence industry is on a strong path to develop its sovereign manufacturing capabilities. This agreement exemplifies the commitment shown by CARACAL to aid India’s ambitions towards making the defence sector self-sufficient.”

The Indian Government seriously took up the indigenisation of Defence manufacturing, allowing the private sector to manufacture weapons, breaking the age-old view to ensure no disruptions in the supply chain. Our entry into small arms production is a proud moment for us, added.

CARACAL’s complete line of small arms will be produced in ICOMM’s world-class design, development and manufacturing centre in Hyderabad. ICOMM is one of the largest companies manufacturing missiles & sub-systems, communications & EW systems, radars, electro-optics, composites, loitering munitions, shelters, drone & counter-drone systems.

Exclusive: India’s defence major iComm signs deal with UAE to make country ‘Aatmnirbhar’ for small arms

The signing took place at the ongoing IDEX 2023 in Abu Dhabi, UAE, one of the largest tri-service defence exhibitions in the world., India News, Times Now

www.timesnownews.com

 

[Tuco]

Exclusive: India’s defence major iComm signs deal with UAE to make country ‘Aatmnirbhar’ for small arms
New Delhi: In a historic move and a major push towards Prime Minister Narendra Modi’s Aatmnirbhar Bharat vision, MEIL group company iComm on Tuesday became the first Indian private company to sign a Transfer of Technology agreement with UAE’s Caracal to manufacture firearms for local market.

Sources close to development told Times Mow that iCOMM will locally manufacture CARACAL’s complete line of small arms for the Indian market, powering the ‘Make in India’ initiative.

Among the arms to be manufactured are CARACAL EF pistol, modern CMP 9 submachine gun, CAR 814, CAR 816 and CAR 817 tactical rifles, CAR 817 DMR tactical sniper rifle, CSR 50 anti-material sniper rifle, CSR 338 and CSR 308 bolt action sniper rifles and the CSA 338 semi-automatic sniper rifle, officials informed.

The signing took place at the ongoing IDEX 2023 in Abu Dhabi, UAE, one of the largest tri-service defence exhibitions in the world.

Sumanth P, Managing Director of ICOMM, said, “India’s Defence industry is on a strong path to develop its sovereign manufacturing capabilities. This agreement exemplifies the commitment shown by CARACAL to aid India’s ambitions towards making the defence sector self-sufficient.”

The Indian Government seriously took up the indigenisation of Defence manufacturing, allowing the private sector to manufacture weapons, breaking the age-old view to ensure no disruptions in the supply chain. Our entry into small arms production is a proud moment for us, added.

CARACAL’s complete line of small arms will be produced in ICOMM’s world-class design, development and manufacturing centre in Hyderabad. ICOMM is one of the largest companies manufacturing missiles & sub-systems, communications & EW systems, radars, electro-optics, composites, loitering munitions, shelters, drone & counter-drone systems.

Exclusive: India’s defence major iComm signs deal with UAE to make country ‘Aatmnirbhar’ for small arms

The signing took place at the ongoing IDEX 2023 in Abu Dhabi, UAE, one of the largest tri-service defence exhibitions in the world., India News, Times Now

www.timesnownews.com

Mockery of Aatmanirbhar, scredrivegiri is just nirbhar on others.

 

[Bleh]

Astra bvraam was test fired from a Su-30MKI today.


Whether it's Astra mk1 or the mk2, we will never know unless they want us to know.

Mark 2.. its fat in the middle

 

[NutCracker]

Mockery of Aatmanirbhar, scredrivegiri is just nirbhar on others.

Nah.. its fine, no need to re-invent wheel.
Its just licencing. Not much of ToT is required in these projects.

In my opinion Atmnirbhar means during war-time we should be able to make these things on our own without fear of sanctions or ban. and in wartime such licence goes out of the window. we will make what we want.

Screwdrivergiri is only harmful in places where we are still dependent on critical components on others like engine/ EW. hence we could be at the mercy of someone else.

 

[Fatalis]

Indian Army to get 2 air defence systems to fight enemy aircraft, drones

The defence ministry cleared the acquisition of a very short range air defence for the Army to protect the Indo-China border against the enemy, aircraft and drones flying in the area.

www.indiatoday.in

 

[flanker99]

Indian Army to get 2 air defence systems to fight enemy aircraft, drones

The defence ministry cleared the acquisition of a very short range air defence for the Army to protect the Indo-China border against the enemy, aircraft and drones flying in the area.

www.indiatoday.in

This was done a while back.

DAC nod to VSHORAD missile systems being designed by DRDO

Acceptance of Necessity (AoN) accorded to three capital acquisition proposals — two of the Army and one of the Navy — totalling Rs 4,276 crore.

www.google.com

 

[mist_consecutive]

Astra bvraam was test fired from a Su-30MKI today.


Whether it's Astra mk1 or the mk2, we will never know unless they want us to know.

Mark 2.. its fat in the middle

 

[DumbPilot]

 

[Fatalis]