DRDO and PSU news and discussion

porky_kicker

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Most of the DRDO RF antennas for data link in one pic . There are others too , some of which I already posted.

A04.19.49.jpg


The one below is the CFD of a conformal RF antenna for data link under aerodynamic and own generated thermal load . This antenna is present in some of the DRDO ATGMs.

Ad5-04.35.21.jpg
 
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porky_kicker

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View attachment 45387

What the heck are these 2 protrusions on ASTRA launcher ? There are in the forward facing direction ( launch direction of astra )

They must have some use , otherwise makes no sense to include them in a aerodynamically clean launcher design
Five months ago I had asked the question , recently I found the answer
 

porky_kicker

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RF antennas on missiles are generally for 2 purposes

1. Telemetry purpose during missile test firing ( the telemetry package is housed in the warhead bay ). Here the transmission is gererally unidirectional.

2. Data link for command & control , real time update etc . Here transmission is generally bidirectional.
 

sagar

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This project is cancelled a long ago....as they were unable to develop it......
Bdw hal is developing its own rotary uav.......
Fbw luh is more suitable, If they can build a plug and play system that can be hooked into any Fbw copters would be wonderful. Will be complicated but will be mighty t useful in the backend of war effort and ofcourse disaster support.
 

patriots

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Arde is developing 2 guns
One with insas barrel
Another of 7.62*55 mm
Tender issued for
"
Transportation of Derelict Arjun MBT from CVRDE Chennai to
TBRL Test Range, Ramgarh, Dist. Panchkula, Haryana through
Low Bed Trailer (LBT) of 50 ton Capacity"
Seems this arjun MBT will be used aganaist a anti tank ammunition like atgm...........
 

fire starter

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Arde is developing 2 guns
One with insas barrel
Another of 7.62*55 mm
Tender issued for
"
Transportation of Derelict Arjun MBT from CVRDE Chennai to
TBRL Test Range, Ramgarh, Dist. Panchkula, Haryana through
Low Bed Trailer (LBT) of 50 ton Capacity"
Seems this arjun MBT will be used aganaist a anti tank ammunition like atgm...........
From Chennai to haryana lol.
 

patriots

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A new digital rwr is in development..
It is going to be tested in test rig for 18 months....
Then it will be tested with LCA Tejas.......
Intially it is being developed for LCA Tejas...
Later it will be integrated with su30 ,mig ,and lch...too
 

Okabe Rintarou

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This pumpjet propulsor will likely NOT be used in the SSN program. This is for the S5-class SSBN only. Reason I think that is because the maximum speed mentioned in the Technical Aspects Section (a) is 25 knots. If this was a SSN, it would have been higher, more than 30 knots at least.
This can mean one of two things:-
Either the S5 class is planned to be inducted before the SSN (unlikely)
OR
SSN class is not going to have any pumpjet propulsion. Not good IMHO.
 

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