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Search found 32528 matches

by shiv
17 Oct 2017 09:17
Forum: Military Issues & History Forum
Topic: LCA: News & Discussions: 15 August 2017
Replies: 768
Views: 110395

Re: LCA: News & Discussions: 15 August 2017

Karan M wrote:Another key capability advertised (which means its intended, as versus developed already) is LPI capability.

Wat ij LPI
by shiv
17 Oct 2017 08:45
Forum: Strategic Issues & International Relations Forum
Topic: Out-of-India - From Theory to Truth: Part 2
Replies: 3533
Views: 133176

Re: Out-of-India - From Theory to Truth: Part 2

UlanBatori wrote:AoA shivullah! By now you should have recovered from EyeEyeTee conference. How about a vijit to Gleat Satanistan? Put in a paper pls?

I have a couple of ready papers, refs and all - but I can answer for sure only in 2 weeks time because one may (or may not) get selected.
by shiv
16 Oct 2017 16:42
Forum: Military Issues & History Forum
Topic: LCA: News & Discussions: 15 August 2017
Replies: 768
Views: 110395

Re: LCA: News & Discussions: 15 August 2017


This probably means Indian AESA is progressing well..
by shiv
16 Oct 2017 10:35
Forum: Strategic Issues & International Relations Forum
Topic: Combating Terrorism Using Soft Power
Replies: 144
Views: 4870

Re: Combating Terrorism Using Soft Power

Therefore, please don’t paint the entire Muslim population of Pakistan with a broader brush that they are terrorists. By doing this, in a reputed platform like BRF, you are trying to paint a picture on Muslims, who live within the Indian subcontinent as scums, criminals, and terrorists. Consequentl...
by shiv
16 Oct 2017 09:29
Forum: Military Issues & History Forum
Topic: 'Make in India' Single engined fighter
Replies: 4655
Views: 374439

Re: 'Make in India' Single engined fighter

Alternatively there is a concept of economic order quantity. Below which no production will take place. If new land, plants and tooling are required small orders will never be economical. Sadly the tooling, land and plants are already present with PSUs but they are inefficient entities because they...
by shiv
16 Oct 2017 09:05
Forum: Military Issues & History Forum
Topic: 'Make in India' Single engined fighter
Replies: 4655
Views: 374439

Re: 'Make in India' Single engined fighter

https://twitter.com/sjha1618/status/918434755531567104 --> The matter is simple. Allow DRDO to select production partners for projects with co-sharing of some IP. DRDO IP has always been open to the private sector. For example CFTRI food tech has been passed on to many food packaging industries. MD...
by shiv
16 Oct 2017 08:08
Forum: Military Issues & History Forum
Topic: LCA: News & Discussions: 15 August 2017
Replies: 768
Views: 110395

Re: LCA: News & Discussions: 15 August 2017

https://twitter.com/sjha1618/status/918433190125060098 --> At the moment, a long production run of Tejas units with HAL adopting the moving shop floor concept is the best bet for Indian aerospace. How does one make composite wings in a moving shop floor concept? One needs a tier 1 supplier who sepa...
by shiv
16 Oct 2017 07:36
Forum: Military Issues & History Forum
Topic: Small Arms Thread
Replies: 3557
Views: 498696

Re: Small Arms Thread

Is this "Ek goli, ek dushman" making virtue of necessity - limited logistics and/or affordability? I don't suppose other professional armies train their infantrymen to empty a few clips into the air while shouting snack bar. Sarcasm notwithstanding - you could start with this book if you ...
by shiv
15 Oct 2017 09:30
Forum: Strategic Issues & International Relations Forum
Topic: Combating Terrorism Using Soft Power
Replies: 144
Views: 4870

Re: Combating Terrorism Using Soft Power

Moreover, terrorism is a type of ideology. An ideology is best fought with a better counter-ideology, rather than by swords and guns alone. In the context of ‘war on terror’, one could technically eliminate some terrorist groups, religious extremists, and hard-core individuals by military might. In...
by shiv
15 Oct 2017 08:06
Forum: Military Issues & History Forum
Topic: Kaveri & aero-engine discussion
Replies: 3498
Views: 517821

Re: Kaveri & aero-engine discussion

Why was a new effort not launched by GOI to build a replacement taking into consideration all the lessons learn from kaveri. Who in India would GoI have approached to make a new engine? 1.Ask GTRE that had already taken decades and failed? 2. Ask HAL which has never designed a de novo engine? 3. As...
by shiv
15 Oct 2017 07:58
Forum: Military Issues & History Forum
Topic: Kaveri & aero-engine discussion
Replies: 3498
Views: 517821

Re: Kaveri & aero-engine discussion

In a fighter aircraft with a smaller dia for compressor would the efficiencies be comparable? Are any of the major turbo engine OEM's getting something ready for military applications? a 15 % increase in range would be something to think about. By no means a guru - but I try to keep up with what is...
by shiv
15 Oct 2017 07:31
Forum: Military Issues & History Forum
Topic: Indian Navy News & Discussion - 15 Dec 2016
Replies: 2931
Views: 390645

Re: Indian Navy News & Discussion - 15 Dec 2016

Rishi_Tri wrote:Wonder if Vikrant shall be dedicated to the nation by PM on eve of declaration of gen elections in 2019. If that is so, let they happen next year. :)

OT but in India that would be a bad move politically..
by shiv
14 Oct 2017 09:08
Forum: Military Issues & History Forum
Topic: International Aerospace Discussion
Replies: 4611
Views: 399070

Re: International Aerospace Discussion

the C2 seems very similar to the embraer KC390 and our stillborn MTA hot air project. perhaps a new dharmic claimant to the empty MTA throne if we want to establish ties to Japan using a large but non-weaponized project which all can piously claim is a non-lethal export onlee? Soryu US2 C2 shinkans...
by shiv
14 Oct 2017 08:13
Forum: Military Issues & History Forum
Topic: International Aerospace Discussion
Replies: 4611
Views: 399070

Re: International Aerospace Discussion

Unusually clear depiction of Tornado thrust reversers in action
https://youtu.be/iP6NWa-BVkw?t=209
by shiv
14 Oct 2017 08:12
Forum: Military Issues & History Forum
Topic: Aircraft Recognition
Replies: 950
Views: 134757

Re: Aircraft Recognition

Unusually clear depiction of Tornado thrust reversers in action
https://youtu.be/iP6NWa-BVkw?t=209
by shiv
13 Oct 2017 08:30
Forum: Strategic Issues & International Relations Forum
Topic: India - South & North Korea Thread
Replies: 752
Views: 48403

Re: India - South & North Korea Thread

ramana, Gerard, Is it possible to send a nuke down a 5000 m shaft? How deep are oil wells? Then again, 2.9 is petty, those occur in most places, even Malloostan sees like 4.0. Houses vibrate. I think if they have figured out how to do tests deep in 5km shafts, they can have pretty powerful ones go ...
by shiv
13 Oct 2017 07:43
Forum: Military Issues & History Forum
Topic: Indian Missiles News and Discussions - May 2017
Replies: 1323
Views: 233765

Re: Indian Missiles News and Discussions - May 2017

If you go to the OFB page they say 1000MC makes a big crater when dropped on runways. For a direct hit on a hanger the airplane has to fly low and with modern air defences it needs stand off which makes it harder. However with the improved electronics and laser ranging pods it could be dropped on t...
by shiv
12 Oct 2017 20:14
Forum: Strategic Issues & International Relations Forum
Topic: Deterrence
Replies: 4278
Views: 178655

Re: Deterrence

Even now OFB factories are stymied by lack of CNC machines and are far behind factory modernization. Year after year CAG reports bemoan this fact yet nothing happens as the industrial policy is in doldrums with import mentality. OT data point: HAL had China made CNC machines - I was told by a forum...
by shiv
12 Oct 2017 19:55
Forum: Military Issues & History Forum
Topic: Indian Missiles News and Discussions - May 2017
Replies: 1323
Views: 233765

Re: Indian Missiles News and Discussions - May 2017

Also I think the 450 kg has hard target penetration capability if you look at its explosive fill ratio to total weight. the 500 kg GP was developed to be more compatible with the Griffin kit and there is Russian origin fragmentation bomb of same weight. So a new class is being developed. I am inter...
by shiv
12 Oct 2017 19:07
Forum: Military Issues & History Forum
Topic: Industrial development & the evolution of military aviation
Replies: 128
Views: 3963

Re: Industrial development & the evolution of military aviation

Just watch each clip for just 10 sec. Turn the volume down Why do we have no one in India doing this? I suspect it is because 1. We don't have enough people with time, money and skills 2. We don't have people who can manufacture the components To me these are the two components of "industrial d...
by shiv
12 Oct 2017 19:03
Forum: Military Issues & History Forum
Topic: Indian Military Helicopters
Replies: 2666
Views: 246827

Re: Indian Military Helicopters

deejay wrote:That is me Shiv Ji but I guess you already know. :D

Of course - just my way of confirming that you don't mind your separate handles being known across forums.
by shiv
12 Oct 2017 18:32
Forum: Military Issues & History Forum
Topic: Indian Military Helicopters
Replies: 2666
Views: 246827

Re: Indian Military Helicopters

Pratyush wrote:The image posted by shiv,

Actually posted by one "rotormagic" on Twitter who seems to have some connection with helicopters
by shiv
12 Oct 2017 18:27
Forum: Military Issues & History Forum
Topic: LCA: News & Discussions: 15 August 2017
Replies: 768
Views: 110395

Re: LCA: News & Discussions: 15 August 2017

I believe the gap between the work culture is less that what its typically made out to be. I feel it can be bridged Thanks for the detailed post and while I have nothing specific to disagree and argue about work culture as you describe it - my "rant" if you like was aimed at inefficiencie...
by shiv
12 Oct 2017 11:12
Forum: Military Issues & History Forum
Topic: LCA: News & Discussions: 15 August 2017
Replies: 768
Views: 110395

Re: LCA: News & Discussions: 15 August 2017

I am not cursing any individual here - but I speak from personal knowledge of the defence PSU employee father who gets every jayanti off - Gandhi Jayanti, Valmiki jayanti, Mahaveer jayanti, Id, Christmas, Diwali etc while his newly employed Itivity son gets no days off except for Christmas and one ...
by shiv
12 Oct 2017 09:56
Forum: Military Issues & History Forum
Topic: Indian Missiles News and Discussions - May 2017
Replies: 1323
Views: 233765

Re: Indian Missiles News and Discussions - May 2017

srai wrote:I would think 450kg HSLD might be on its way out with the 500kg HSLD GP now available.

IMO unlikely - we probably have thousands in stock
by shiv
12 Oct 2017 09:55
Forum: Military Issues & History Forum
Topic: Indian Military Helicopters
Replies: 2666
Views: 246827

Re: Indian Military Helicopters

Wonder which book this pilot was consulting?
https://twitter.com/rotormagic/status/9 ... 1301079040
Image
by shiv
12 Oct 2017 09:14
Forum: Military Issues & History Forum
Topic: LCA: News & Discussions: 15 August 2017
Replies: 768
Views: 110395

Re: LCA: News & Discussions: 15 August 2017

I am not cursing any individual here - but I speak from personal knowledge of the defence PSU employee father who gets every jayanti off - Gandhi Jayanti, Valmiki jayanti, Mahaveer jayanti, Id, Christmas, Diwali etc while his newly employed Itivity son gets no days off except for Christmas and one d...
by shiv
12 Oct 2017 09:07
Forum: Military Issues & History Forum
Topic: LCA: News & Discussions: 15 August 2017
Replies: 768
Views: 110395

Re: LCA: News & Discussions: 15 August 2017

https://twitter.com/sjha1618/status/917730820122542080 --> There can be no independent foreign policy without a military armed with indigenous hardware. This is the bottom line. Why can't our armed forces and govt understand this? These pithy truisms fail to mention the fact that we cannot have dom...
by shiv
11 Oct 2017 22:30
Forum: Military Issues & History Forum
Topic: LCA: News & Discussions: 15 August 2017
Replies: 768
Views: 110395

Re: LCA: News & Discussions: 15 August 2017

So if GoI needs to pay truckloads of money with confirmed orders to private industry to get them to participate, why can't the same be done for PSUs? I am genuinely asking. The government IMO is paying truckloads of money already for imports and skimping on defence PSUs. If we are going to pay a lo...
by shiv
11 Oct 2017 21:49
Forum: Military Issues & History Forum
Topic: LCA: News & Discussions: 15 August 2017
Replies: 768
Views: 110395

Re: LCA: News & Discussions: 15 August 2017

Private monopoly would take the country for a ride. This sounds eerily like Indira Gandhi. If you look at the private industries that have come up in India and are "shining" none has a monopoly. The only monopoly that pulls us down is the government monopoly of defence PSUs. And just like...
by shiv
11 Oct 2017 20:53
Forum: Military Issues & History Forum
Topic: LCA: News & Discussions: 15 August 2017
Replies: 768
Views: 110395

Re: LCA: News & Discussions: 15 August 2017

shiv sir, Indian IT industry is there for last 20 years, negligible govt intervention, they havent been able to look beyond the body shopping model, how many successful indian products are there today in global market. Indian auto industry is also there for quite sometime fuelled by Indian markets....
by shiv
11 Oct 2017 20:32
Forum: Military Issues & History Forum
Topic: LCA: News & Discussions: 15 August 2017
Replies: 768
Views: 110395

Re: LCA: News & Discussions: 15 August 2017

How dare DRDO ask money for the R%D ,when thousands of crore are being put to good use in Ayush ministry and ad budget of GOI Governments in Europe and the USA did not establish arms or aircraft factories - but when the governments fought wars private companies profited and expanded and found their...
by shiv
11 Oct 2017 19:10
Forum: Military Issues & History Forum
Topic: LCA: News & Discussions: 15 August 2017
Replies: 768
Views: 110395

Re: LCA: News & Discussions: 15 August 2017

It is my belief that no amount of fiddling from the government is going to change things. Ultimately the private sector has to get the machinery and manpower that only the PSUs have now. The government needs to spend on madarsa reform, reservation, farmer loans, roads etc and is NOT going to pay att...
by shiv
11 Oct 2017 18:47
Forum: Military Issues & History Forum
Topic: Indian Military Helicopters
Replies: 2666
Views: 246827

Re: Indian Military Helicopters

"Whichever side the wall is, it cuts off re-circulation , The relevant diagram is such that there is adequate wall-rotor clearance to let recirculation ,. Pardon the ignorant intrusion but aren't the two of you speaking of two different situations - i.e "closer to wall" and "som...
by shiv
10 Oct 2017 20:01
Forum: Military Issues & History Forum
Topic: Indian Military Helicopters
Replies: 2666
Views: 246827

Re: Indian Military Helicopters

Effect on fuselage. I Re read about this. It is called as Control Power - how much effective cyclic is in changing fuselage attitude. It is highest in Rigid rotors(ALH), followed by fully articulate (Chetak,mi 17), least in teetering (Sioux). Another way to say is that, the fuselage attitude change...
by shiv
10 Oct 2017 09:38
Forum: Military Issues & History Forum
Topic: Indian Military Helicopters
Replies: 2666
Views: 246827

Re: Indian Military Helicopters

The effect on fuselage - does it tilt forward when helicopter is moving forward ? It depends on type of main rotor system. In underslung or teetering type of main rotors , there is a very prominent lag in fuselage following the rotor disc ; in rigid/semi rigid rotors (ALH) it is quite fast. So for ...
by shiv
10 Oct 2017 09:29
Forum: Military Issues & History Forum
Topic: Indian Military Helicopters
Replies: 2666
Views: 246827

Re: Indian Military Helicopters

vina wrote:
It is more complicated than that. My understanding is that it depends on the type of Rotor Head . Whether it is a fully articulated hinged type, a rigid rotor or a teetering rotor head.
.

Fair enough - you have used better terminology than I have and I will look out for more info
by shiv
10 Oct 2017 07:13
Forum: Military Issues & History Forum
Topic: Indian Military Helicopters
Replies: 2666
Views: 246827

Re: Indian Military Helicopters

vina wrote:Oh, the rotor disc does tilt forwards, backwards, sidewards etc.

Yes but the helicopter tilts with the disc and the disc cannot tilt and rock separately as shown in the Britannica images posted earlier. Those images are wrong.
by shiv
10 Oct 2017 01:18
Forum: Military Issues & History Forum
Topic: Indian Military Helicopters
Replies: 2666
Views: 246827

Re: Indian Military Helicopters

Zynda it is differential pitch that causes differential lift and makes the whirling disc tilt. But the entire helo tilts and moves with the disc. There is no separate " Disc is made to tilt and therefore causes forward movement". That was the kakoose in the Britannica images. The linear mo...

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