Search found 94 matches

by vcsekhar
08 Aug 2020 16:51
Forum: Military Issues & History Forum
Topic: India's R&D in Defence DRDO, PSUs and Private Sector
Replies: 4311
Views: 742065

Re: India's R&D in Defence DRDO, PSUs and Private Sector

This is a great word, i wish i knew it existed a long time ago. I had done my MS in the US in '99 and can totally relate to and confirm what "Sum" is saying. Me and my fellow desi students knew and were worried about this exact thing when we were interviewing for jobs. The worst thing that...
by vcsekhar
21 Jul 2020 13:30
Forum: Military Issues & History Forum
Topic: Indian Air Force News & Discussion - 15 Dec 2016
Replies: 4971
Views: 1214520

Re: Indian Air Force News & Discussion - 15 Dec 2016

Yeah! Mission planning is really thorough and I cannot even imagine how much planning went into our Pitch Black Ex participation. And did some searching around after the video and found that the speed tolerance for a drogue/probe refuelling contact is +/- 1Kt! :shock: I think I prefer the Boom type...
by vcsekhar
21 Jul 2020 12:40
Forum: Military Issues & History Forum
Topic: Indian Air Force News & Discussion - 15 Dec 2016
Replies: 4971
Views: 1214520

Re: Indian Air Force News & Discussion - 15 Dec 2016

Was watching RIAT(Virtual) and got to know something that I hadn't known earlier: A ferry of fighter from the UK to US(6K Km distance) involves 8 Mid Air refuelling ops en route because the planning takes to account an emergency where the (multi engine) fighter has to be recovered at the nearest ai...
by vcsekhar
16 Mar 2020 16:29
Forum: Strategic Issues & International Relations Forum
Topic: Wuhan Coronavirus Resource Thread
Replies: 7690
Views: 833511

Re: Wuhan Coronavirus Resource Thread

Are there any simulations done for duration of social distancing norms that need to be followed collectively so that we can get through with the epidemic? That would be more interesting as it would help in resource planning and management. Here is a very nice article on WaPo with simulations for nu...
by vcsekhar
06 Feb 2020 12:48
Forum: Military Issues & History Forum
Topic: Indian Naval Aviation
Replies: 1460
Views: 280236

Re: Indian Naval Aviation

What a gorgeous shot! IN P-8I Neptune. Twitter link What an awesome shot of the P8I, will have to make it my wallpaper :) Did anyone notice the cable streaming out of the vertical stabilizer top? is that a towed decoy or a ELF antenna to communicate with undersea subs? If you observe carefully, you...
by vcsekhar
28 Jan 2020 11:22
Forum: Technology & Economic Forum
Topic: Indian Manufacturing Sector
Replies: 374
Views: 107023

Re: Indian Manufacturing Sector

1. Customs duties were imposed on the import of fully assembled phones, the market is huge and assembly in China is becoming more expensive. 2. There is no real base for high volume semi conductor manufacturing in India, it takes ages to setup a fab and other associated industries to make the high t...
by vcsekhar
02 Dec 2019 12:06
Forum: Strategic Issues & International Relations Forum
Topic: Kerala, Andhra and Tamil Nadu - news and strategy thread
Replies: 1689
Views: 232666

Re: Kerala, Andhra and Tamil Nadu - news and strategy thread

Sachin, thanks for the detailed reply and additions to what i had written. We really need a lot more policemen who are better paid and respected by the general population as the work they do is hard, unforgiving and can leave them with lifelong PTSD. I hope that the government will pay heed to the s...
by vcsekhar
30 Nov 2019 15:40
Forum: Strategic Issues & International Relations Forum
Topic: Kerala, Andhra and Tamil Nadu - news and strategy thread
Replies: 1689
Views: 232666

Re: Kerala, Andhra and Tamil Nadu - news and strategy thread

Idiotic police. Looks like father complained to police, but police responses were, "this is not our jurisdiction", "she may have eloped".. Police asked did she elope? Priyanka mother on police negligence - TV9 https://www.youtube.com/watch?v=qXkajPLA-e0 Actually this is a pretty...
by vcsekhar
11 Jun 2019 13:28
Forum: Military Issues & History Forum
Topic: Military Flight Safety
Replies: 2622
Views: 387525

Re: Military Flight Safety

vcshekar, Do you guys temper the solder in oil bath to relieve stresses in solder? Are you familiar with David Pinsky algorithm for tin whisker formation? 1. I did not remember Pinskey but I do remember reviewing such research at the time we were changing over to an RoHS process for all our exports...
by vcsekhar
10 Jun 2019 17:03
Forum: Military Issues & History Forum
Topic: Indian Missiles News & Discussions - 17 Dec 2018
Replies: 3641
Views: 1021129

Re: Indian Missiles News & Discussions - 17 Dec 2018

ANy chance that AIM 120 C-7 acquired for Nasams with wink wink from Uncle be ported onto aircraft carrying EL 2032, EL2052's, French M 2000 and Rafale? well even israel was unable to get the amraams integrated into its Elta radar and uses stock APG68 radar on f16I-sufa. same case for f15. till date...
by vcsekhar
10 Jun 2019 12:47
Forum: Military Issues & History Forum
Topic: Military Flight Safety
Replies: 2622
Views: 387525

Re: Military Flight Safety

I have been thinking about the M2K pitch oscillations due to the flight computer commanding the pitch down violently. Reason is there is a possibility of tin whiskers (from the solder) growth in the circuit cards with time. Tin whiskers grow due to residual stress in the solder as it shrinks. Takes...
by vcsekhar
25 Jan 2018 12:53
Forum: Trash Can Archive
Topic: LCA: News & Discussions: 15 August 2017
Replies: 3500
Views: 676249

Re: LCA: News & Discussions: 15 August 2017

Thanks very much for the book recommendation, i will have to get it. Although, i just searched for it and found that someone from Iran had scanned the whole book and put it up on their website Its not great quality but its ok till I get the book delivered from Amazon. http://ae.sharif.edu/~iae/Downl...
by vcsekhar
14 Oct 2016 18:42
Forum: Military Issues & History Forum
Topic: INS Vikrant News and Discussion
Replies: 1961
Views: 237236

Re: INS Vikrant News and Discussion

Last news was that the carrier was being refitted for its final journey before a decision was taken as to where she would end up as a floating museum,etc. I would advise the MOD/IN to keep her ins ervice for another year since the situ with Pak is dangerously close to an escalation of conflict.The ...
by vcsekhar
19 May 2016 12:13
Forum: Trash Can Archive
Topic: LCA Tejas: News and Discussions
Replies: 4035
Views: 383303

Re: LCA Tejas: News and Discussions

Would ACM Raha be the first serving IAF Officer to fly the Tejas or are there IAF pilots on deputation to ASTE? All Tejas test pilots are serving IAF (& IN) pilots on deputation to ASTE for 2-3yrs. AirCmde Rohit Verma was a Chief test pilot in 2011 quit service as IAF overlooked him for promoti...
by vcsekhar
14 May 2016 12:20
Forum: Trash Can Archive
Topic: LCA Tejas: News and Discussions
Replies: 4035
Views: 383303

Re: LCA Tejas: News and Discussions

amazing video, recently shot, jingo khush hua The making of IAF's Tejas LCA- NEWS9 CCqjjw8oyGI Must watch! Finally, we are beginning to get good coverage of the LCA production activities and facilities!!! Well done News 9 8) Nice video but looks like they "borrowed" the mirage footage fro...
by vcsekhar
25 Apr 2016 13:58
Forum: Trash Can Archive
Topic: LCA Tejas: News and Discussions
Replies: 4035
Views: 383303

Re: LCA Tejas: News and Discussions

How does the Bison compare with the F-16? During the first Indo-US exercises,the Bisons reportedly even saw off the F-15s! That exercise has been discussed to death many times over here. Gist was that the americans were overconfident and the IAF used its advantage to great effect and scored a lot o...
by vcsekhar
31 Mar 2016 11:56
Forum: Trash Can Archive
Topic: Indian Missiles and Munitions Discussion - June'14
Replies: 4679
Views: 917571

Re: Indian Missiles and Munitions Discussion - June'14

I read this report and thought that something was off in the reporting. Earlier this month i had attended a DRDO vendor meet where they were asking for SME's to come forward to make parts for their missile projects. The numbers estimated for the Akash system are 30 per month presently and moving to ...
by vcsekhar
04 Mar 2016 17:06
Forum: Trash Can Archive
Topic: LCA Tejas: News and Discussions
Replies: 4035
Views: 383303

Re: LCA Tejas: News and Discussions

With regard to the LCA program - the Tejas' flyaway cost of $25 million is pretty accurate. What you're disputing I think is the R&D cost (~Rs 8,000 crore) which is a fair point. Though given the typically cheaper cost of labour its probably not off by that much. Also, we must recognize that a ...
by vcsekhar
04 Mar 2016 11:19
Forum: Trash Can Archive
Topic: LCA Tejas: News and Discussions
Replies: 4035
Views: 383303

Re: LCA Tejas: News and Discussions

All govts pay pvt companies to develop defence products Even in case of rafales French govt paid money upfront to. Dasault to develop and test flight the rafale This is true. But you have to remember that the advantage of the sunk R&D cost paid for by one government will not be passed on to a f...
by vcsekhar
03 Mar 2016 14:32
Forum: Trash Can Archive
Topic: LCA Tejas: News and Discussions
Replies: 4035
Views: 383303

Re: LCA Tejas: News and Discussions

I meant the money was already paid for from 2007-9 budget. when we sign a contract both tech spec and cost is set in stone. Today's real cost will more or less remain the same. 1bn for 20 equates to 50 mln a piece. I don't know what to think of it, but, even though the money was allocated, it would...
by vcsekhar
03 Mar 2016 11:05
Forum: Trash Can Archive
Topic: LCA Tejas: News and Discussions
Replies: 4035
Views: 383303

Re: LCA Tejas: News and Discussions

I don't understand the context of obsolescence here. I have my own view of obsolescence I hope I am not mixing up things. Now lets take the case of LCA. If I remember correctly, the first order of 20 LCAs amongst few other things were placed sometime around 2007-9 when pranabda chaired a CCS meetin...
by vcsekhar
01 Mar 2016 16:16
Forum: Trash Can Archive
Topic: LCA Tejas: News and Discussions
Replies: 4035
Views: 383303

Re: LCA Tejas: News and Discussions

Agree, but who knows it's few bulbs. It can be for all the aircrafts in service with the IAF, which itself is a huge number. And what about export of the same. :) Its very nice of you to say this, but, there probably are 1000's of types of bulbs across the fleet and each of them would have their ow...
by vcsekhar
01 Mar 2016 16:13
Forum: Trash Can Archive
Topic: LCA Tejas: News and Discussions
Replies: 4035
Views: 383303

Re: LCA Tejas: News and Discussions

Hi everyone, I have been a long time member and used to actively participate a long time ago. After reading some really off putting messages about component manufacturing capability in India for aviation related components i really wanted to add my 2 cents... We own and operate a electronic componen...
by vcsekhar
31 Oct 2014 11:33
Forum: Trash Can Archive
Topic: Mini Meet in Hyderabad proposed - 30 Oct 2014
Replies: 4
Views: 614

Re: Mini Meet in Hyderabad proposed - 30 Oct 2014

Hello Hari,
Just read about this as i had not seen the forum for a few weeks.
Sorry to have missed the meet. Will make sure that next time i will make it to the meetup.

chandrasekhar
by vcsekhar
23 Oct 2012 12:44
Forum: Trash Can Archive
Topic: LCA News and Discussions
Replies: 4257
Views: 239505

Re: LCA News and Discussions

I dont know where you got this information Narayana but the F16 was always designed to be the ultimate lightweight dog-fighting aircraft. In fact, the F16 embarrassed the F15 in the initial stages and that caused a great deal of heartburn among the F15 proponents in the USAF. This was among the bigg...
by vcsekhar
11 Feb 2012 13:06
Forum: Trash Can Archive
Topic: LCA News and Discussions
Replies: 3947
Views: 721614

Re: LCA News and Discussions

No lynching - it is a fair opinion, and I happen to agree with it. [RANT ON]I can understand the IAF wanted something smallish as a MiG-21 replacement and so they went with the LCA "smallest/lightest" goal. But what constrains the Navy from going slightly bigger? I would hardly be surpris...
by vcsekhar
12 Jan 2012 12:23
Forum: Trash Can Archive
Topic: LCA News and Discussions
Replies: 3947
Views: 721614

Re: LCA News and Discussions

http://2.bp.blogspot.com/-8tJBUaX_iqI/TwybcAdPJcI/AAAAAAAAOpI/EiOClK2Dm7k/s1600/387269_206758819418574_103329156428208_427663_556390670_n.jpg can someone throw some light on the top most harrier in the background.. its 2 seater however it looks like more chikna then the rest.. That is one of the tr...
by vcsekhar
20 Sep 2011 12:49
Forum: Trash Can Archive
Topic: Indian Military Aviation
Replies: 4004
Views: 888615

Re: Indian Military Aviation

^^^ But we can spend it on training near the end of their shelf life. Albeit not the nuclear ones :). In fact they are used for live fire testing by all the squadrons. For example at exercises like Vayu Shakti most of the missiles, GBU's, Rockets etc used were ones that were near their expiry dates...
by vcsekhar
08 Apr 2011 11:54
Forum: Trash Can Archive
Topic: MRCA News and Discussion - March 2011
Replies: 610
Views: 150614

Re: MRCA News and Discussion - March 2011

Good point Shiv, I had not thought about it that way. So after some digging about this topic. It seems that the smallest thing that you can see is what subtends one minute of an arc (ie 1/60 or 0.016 degrees). when the object itself is not radiating any light. At 20K meters a 20 m long object will s...
by vcsekhar
07 Apr 2011 17:46
Forum: Trash Can Archive
Topic: MRCA News and Discussion - March 2011
Replies: 610
Views: 150614

Re: MRCA News and Discussion - March 2011

I was also surprised about the distance numbers, but, the difference in eyesight is pretty remarkable between civilians and fighter pilots. For example, i was at a air show with my friend and he was able to visually pick up fighters (Mig21's and Jag's) way before anyone else in the group. Where we c...
by vcsekhar
07 Apr 2011 17:34
Forum: Trash Can Archive
Topic: MRCA News and Discussion - March 2011
Replies: 610
Views: 150614

Re: MRCA News and Discussion - March 2011

vapour trails are not from the engines they are the vortices shed from the wings (always two) sometimes the engine exhausts will be in the right conditions to trail, but they will merge with the wing vortices and only two will remain Contrails are from the engines, in fact, the fighter pilots have ...
by vcsekhar
07 Apr 2011 10:55
Forum: Trash Can Archive
Topic: MRCA News and Discussion - March 2011
Replies: 610
Views: 150614

Re: MRCA News and Discussion - March 2011

"It is a huge machine, very easy to spot from over 10nm visually .. :eek: :shock: I hope this is a typo. I can't see a 747 at 5 NM (34,000 ft) let alone a fighter one-third its size. I would not be able to see a lo-viz MKI even at 2 NM. But If my life depended on it, I'd say the same thing tha...
by vcsekhar
06 Apr 2011 17:51
Forum: Trash Can Archive
Topic: MRCA News and Discussion - March 2011
Replies: 610
Views: 150614

Re: MRCA News and Discussion - March 2011

vcsekhar, I agree with what you are saying. Some of what the Col said was vaild but I think you would agree that he was very selective in his description of Su-30. Also, his mistakes, which include his description of RWR and datalink among other things, have been well documented. Regarding WVR, wel...
by vcsekhar
06 Apr 2011 15:16
Forum: Trash Can Archive
Topic: MRCA News and Discussion - March 2011
Replies: 610
Views: 150614

Re: MRCA News and Discussion - March 2011

vcsekhar, No doubt that MKI has the biggest RCS. But tell me how that matters? It seems that you have friends among IAF pilots. You may ask them the "effective" ranges at which BVR missiles are fired (especially R-77). He may or may not give you the exact figures, but he will tell you tha...
by vcsekhar
06 Apr 2011 15:01
Forum: Trash Can Archive
Topic: MRCA News and Discussion - March 2011
Replies: 610
Views: 150614

Re: MRCA News and Discussion - March 2011

Rafale seems only game in town at the moment. pros - no US style "issues" , good family of weapons already integrated, works for A2G, works for A2A, well regarded "spectra" EW, can be used from IN carriers as well, ..... only con would be its smallish F-16 sized nose and resulta...
by vcsekhar
06 Apr 2011 11:06
Forum: Trash Can Archive
Topic: MRCA News and Discussion - March 2011
Replies: 610
Views: 150614

Re: MRCA News and Discussion - March 2011

If I remember that briefing after Red Flag, the US officer was quite dismissive of the French. He said something like that the French were just there for snooping and not interested in too much aggressive action. So there is something between the US and the French, especially when it comes to Rafal...
by vcsekhar
30 Mar 2011 13:15
Forum: Trash Can Archive
Topic: MRCA News and Discussion - March 2011
Replies: 610
Views: 150614

Re: MRCA News and Discussion - March 2011

This is pretty much what happens when all the development expenditure is amortized over a small number of aircraft. The entire production run of the rafale for the AdlA +Navy is less than 200. This is interesting when you compare the production run of the EF is over 600 and still the cost after amor...
by vcsekhar
28 Mar 2011 11:04
Forum: Trash Can Archive
Topic: MRCA News and Discussion - March 2011
Replies: 610
Views: 150614

Re: MRCA News and Discussion - March 2011

There have been a lot of posts about the rafale swing role capability and I am having a hard time imagining why this is a difficult thing to implement in any aircraft. The Radar remains the same, the pylons depend upon the stores selected, the aircraft targeting software is not changed for each flig...
by vcsekhar
20 Mar 2011 23:15
Forum: Trash Can Archive
Topic: Libyan War
Replies: 586
Views: 85657

Re: LIBYA : No fly zone/air war thread

the crashed plane looks like a mig-23, if you look at the tail.. there is only one engine visible.
The su-24 has two engines.

my 2cents..
by vcsekhar
07 Mar 2011 10:22
Forum: Trash Can Archive
Topic: MRCA Discussion - October 2, 2010
Replies: 3205
Views: 639779

Re: MRCA Discussion - October 2, 2010

Not at all. The EF doesn't have to make 'compromises' in a strike role anymore than the Rafale requires a compromise in air superiority/interceptor role. Yes its range and and payload are somewhat lower than the Rafale's but hardly low enough to be a disability. And the specific type of mission tha...

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