Search found 356 matches

by Eric Leiderman
31 Aug 2018 02:00
Forum: Military Issues & History Forum
Topic: Tejas Mk.2: News & Discussions - 25 February 2018
Replies: 666
Views: 138207

Re: Tejas Mk.2 News & Discussions: 25 February 2018

The M2K should have a higher thrust engine than the f414 reasons below. we need a power plant with 130 kn of thrust In an ideal senario it should be reaching FOC in 10 years In that timeframe the MMRCA II aircraft will be well into the induction phase with the airforce. Hence in many respects it mus...
by Eric Leiderman
16 Aug 2018 22:33
Forum: Military Issues & History Forum
Topic: Su-30MKI: News and Discussion - August 9, 2014
Replies: 2756
Views: 286222

Re: Su-30: News and Discussion - August 9, 2014

https://theprint.in/opinion/how-four-gr ... -30/17913/

How 3 political dispensations worked behind closed doors in the interest of the nations defence, leaving political brownie points aside.
This is about the sukhoi purchase

So different from today
by Eric Leiderman
14 Aug 2018 01:31
Forum: Military Issues & History Forum
Topic: US military, technology, arms, tactics
Replies: 901
Views: 82204

Re: US military, technology, arms, tactics

http://www.foxnews.com/tech/2018/08/13/navy-tests-helicopter-lowered-undersea-warhead-to-explode-enemy-mines.html Helicopter deployed mine destructor neat idea still under development quote The Navy can now use sonar and video-guided underwater warheads to attack and destroy enemy sea mines at the b...
by Eric Leiderman
12 Jul 2018 13:37
Forum: Military Issues & History Forum
Topic: Kaveri & Aero-Engine: News & Discussion
Replies: 4363
Views: 723481

Re: Kaveri & aero-engine discussion

when will the unmanned Tejas become a reality. If the timeline is the foreseeable future. If the control laws are ironed out, It could be a test bed for the Kaveri (pie in the sky)
by Eric Leiderman
11 Jul 2018 09:49
Forum: Military Issues & History Forum
Topic: Tejas Mk.1 & Mk.1A News & Discussions: 09 February 2018
Replies: 2346
Views: 466584

Re: Tejas Mk.1 & Mk.1A News & Discussions: 09 February 2018

http://idrw.org/iaf-may-take-over-tejas-project-from-hal-due-to-delays/#more-175228 Iaf will be at the apex in co-ordinaing ADA and HAL to get the desired airframes in the promised time frame. This will be a 3 ring circus, It would have been better if the PMO took over this project and cracked the w...
by Eric Leiderman
01 Jul 2018 21:03
Forum: Military Issues & History Forum
Topic: Project 75I - It Begins
Replies: 826
Views: 108422

Re: Project 75I - It Begins

http://www.indiandefencereview.com/news ... programme/

An excellent article on the choices India has for 75I also touches on the Australian choice wrt the short fin Baracuda
by Eric Leiderman
24 Jun 2018 01:56
Forum: Trash Can Archive
Topic: INS Arihant (ATV) News and Discussion -2
Replies: 4159
Views: 613029

Re: INS Arihant (ATV) News and Discussion -2

There is always water lost in a steam plant. To top up this water desalinated water is used, Depending on the water requirement of the whole vessel , If high a reverse osmosis plant is used, if low an evaporator running off the reacor or engine cooling water can be used.
by Eric Leiderman
09 Jun 2018 01:50
Forum: Military Issues & History Forum
Topic: PAK-FA and FGFA: News & Discussion - June 2014
Replies: 2647
Views: 256830

Re: PAK-FA and FGFA Thread - June 2014

Q and A to the Indian ambassador to Russia. http://tass.ru/opinions/interviews/5274171 Translator reqd the media reported that India withdrew from the joint project with Russia to build a fifth generation FGFA (Fifth Generation Fighter Aircraft) fighter. Can you confirm this? - I can only say that t...
by Eric Leiderman
03 May 2018 00:57
Forum: Military Issues & History Forum
Topic: Project 75I - It Begins
Replies: 826
Views: 108422

Re: Project 75I - It Begins

After we built the german subs and discontinued, the whole effort of Make in India was lost. The trained manpower either retired or went to gulf countries. If we do not give MDL a new contract to build 3-4 boats the same as above will happen. What would make sense is if the first 2 boats were built ...
by Eric Leiderman
08 Apr 2018 05:36
Forum: Military Issues & History Forum
Topic: AMCA News and Discussions
Replies: 3221
Views: 366253

Re: AMCA News and Discussions

Over the next decade, crystal gazing, (which is a very ambiguous science?) As and when stealth aircraft start populating major air forces. BVR missiles will be developed that use multiple sensors for short range close in and kill loop. Infra-red, optical and radar and possibly newer sensors will all...
by Eric Leiderman
30 Mar 2018 01:13
Forum: Military Issues & History Forum
Topic: Indian Coast Guard: News & Discussion
Replies: 402
Views: 31868

Re: Indian Coast Guard Discussion

Bow thrusters are still very much used, They are efficient once the vessels speed is below 3 knots and can be used effectively once the speed drops to 7 knots. Very helpful in docking ships , a large vessel can turn on a dime using her rudder/s and bow prop/s. no need for tugs to assist during docki...
by Eric Leiderman
29 Mar 2018 00:09
Forum: Military Issues & History Forum
Topic: Tejas Mk.2: News & Discussions - 25 February 2018
Replies: 666
Views: 138207

Re: Tejas Mk.2 News & Discussions: 25 February 2018

some details why its not considered yet https://aviation.stackexchange.com/questions/43812/would-a-wireless-fly-by-wire-system-be-practical Just a noob question, With quadriple fly by wire why can't one or two of them be wireless, where by you get the weight saving and the reliability of a wired sy...
by Eric Leiderman
25 Mar 2018 04:19
Forum: Military Issues & History Forum
Topic: MBT Arjun - News and Discussions
Replies: 1721
Views: 229609

Re: MBT Arjun - News and Discussions

There are lots of engines with overhead cams, this configuration reduces the overhead height of the engine and with a medium speed or high speed engine . With a high pressure turbo system the footprint is also low I am quite sure we can get the power density required using desi manpower (if the quan...
by Eric Leiderman
11 Mar 2018 01:04
Forum: Military Issues & History Forum
Topic: Indian Air Force News & Discussion - 15 Dec 2016
Replies: 1934
Views: 339904

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

Philip wrote:...and most bung for the back in converting them! :rotfl:


Not necessarily
If the OEM eg airbus or booing were to do the retrofit, with a fixed price contract, and specified criteria, It would be worth a cost analysis
this could also be a made in India project with required political spin.
by Eric Leiderman
10 Mar 2018 11:14
Forum: Military Issues & History Forum
Topic: Indian Air Force News & Discussion - 15 Dec 2016
Replies: 1934
Views: 339904

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

There was talk of using 2nd had aircraft with low hours , these were to be modified to air tankers, I havent heard anything after the initial news a few months back, If numbers are the requirement, this option holds most bang for buck
by Eric Leiderman
17 Feb 2018 09:35
Forum: Military Issues & History Forum
Topic: Kaveri & Aero-Engine: News & Discussion
Replies: 4363
Views: 723481

Re: Kaveri & aero-engine discussion

https://www.reuters.com/article/us-ge-d ... SKCN1G100D

This could be like the TATA Jag deal if a PVT company wanted to step in
by Eric Leiderman
09 Feb 2018 05:20
Forum: Military Issues & History Forum
Topic: Artillery: News & Discussion
Replies: 4560
Views: 557197

Re: Artillery Discussion Thread

Yes, there is hope. But why this long and winded process for desi products only? Because for every desi product, there is a long and winded process for setting up a production line. You know production engineering well. A line had to be set up for BrahMos, Pinaka, Akash, Astra, Dhruv and Tejas from...
by Eric Leiderman
31 Jan 2018 11:44
Forum: Military Issues & History Forum
Topic: Project 75I - It Begins
Replies: 826
Views: 108422

Re: Project 75I - It Begins

There have been many comments in different threads that we cannot build a diesel powered sub. We have 30% indiginous content in the scorpoins, However IP is not ours. So we design one roughly on the same hull as the scorpion. and get the local content up gradually over a build of 10 to 12 units Howe...
by Eric Leiderman
30 Jan 2018 04:06
Forum: Military Issues & History Forum
Topic: AMCA News and Discussions
Replies: 3221
Views: 366253

Re: AMCA News and Discussions

A single engined stealth aircraft has limitations as far as internal stores are concerned. (F35 case in point) The ideal solution is the Medium sized aircraft AMCA Mid 2030's The larger FGFA late 2020's LCA MKII with semistelth capabilities incorporation radar absorbtion materials and electronic rad...
by Eric Leiderman
29 Jan 2018 10:19
Forum: Military Issues & History Forum
Topic: Transport Aircraft for IAF
Replies: 3631
Views: 257750

Re: Transport Aircraft for IAF

http://idrw.org/iaf-may-buy-only-twin-engine-refueling-jets-russian-il-78-offer-rejected/#more-160751 from the above article it would seem that the refluellers could be used airframes with 40 years of life in them, That being the case we should not limit the buy to OEM's Isreal had many years back o...
by Eric Leiderman
27 Jan 2018 07:15
Forum: Military Issues & History Forum
Topic: Indian Military Aviation - 21 Sept 2015
Replies: 4187
Views: 362583

Re: Indian Military Aviation - 21 Sept 2015

6 is iffy 12??is pie in the sky. But the aim of our airforce is aim for the sky, hopefully they get these force multipliers
by Eric Leiderman
10 Jan 2018 11:31
Forum: Military Issues & History Forum
Topic: Pakistan Armed Forces: News & Discussion Thread
Replies: 339
Views: 84572

Re: Pakistan Armed Forces: News & Discussion Thread

At 52 tonnes it has a lot of bells and whistles 1300 hp @ 25 hp/ton Arjun MK1 58 tonnes 1400 hp @ apprx 30 + hp/ton Arjun Mk2 68 tonnes 1400 hp @ apprx 21 HP/ton indian (T-90MS) 48 tonnes 1130 hp @ approx 20.4 hp/tonne being upgraded with some of the Arjun tech which will reduce its hp/tonne ratio I...
by Eric Leiderman
10 Jan 2018 10:47
Forum: Trash Can Archive
Topic: INS Arihant (ATV) News and Discussion -2
Replies: 4159
Views: 613029

Re-

If this hatch open issue happened at Vizag port, I am a bit skeptical, Why would a sub ballast in port. If she did not ballast then some one opened a hatch that was below the water line. Find that hard to believe. Something is not quite right here. Even if the hatch was kept open when she changed he...
by Eric Leiderman
02 Jan 2018 08:54
Forum: Trash Can Archive
Topic: LCA: News & Discussions: 15 August 2017
Replies: 3500
Views: 501975

Re: LCA: News & Discussions: 15 August 2017

Trikaal wrote:
Indranil wrote:Yes.

How much does the new aesa weigh?



Th Jag ASEA is a 100 KG However the LCA has a bigger snout adding more modules so it might be in the 125Kg
by Eric Leiderman
01 Jan 2018 02:05
Forum: Trash Can Archive
Topic: Indian Navy News & Discussion - 15 Dec 2016
Replies: 4822
Views: 746184

Re: Indian Navy News & Discussion - 15 Dec 2016

^ The above video talks abt "Permasyn" motors , which, IIRC, is made by Siemens. The 2 x diesel engine comes from MAN. So looks like significant German input in the "move" category. Dineshji Man diesels are an excellent choice and probably best in the business. Their diesels are...
by Eric Leiderman
20 Dec 2017 01:04
Forum: Trash Can Archive
Topic: LCA: News & Discussions: 15 August 2017
Replies: 3500
Views: 501975

Re: LCA: News & Discussions: 15 August 2017

As a war progresses 1) the stand off weapons become scarce 2) the air defences are degraded, (including AWAC's ) 3) a quantum of air superority is introduced in the western front. The jags will more than do their job. Plus a large % are for marine attack role where they excel and the LCA cannot comp...
by Eric Leiderman
13 Dec 2017 07:28
Forum: Trash Can Archive
Topic: LCA: News & Discussions: 15 August 2017
Replies: 3500
Views: 501975

Re: LCA: News & Discussions: 15 August 2017

I also thought AESA would be lighter, The RAVen ASEA of the gripen ng specs below. TECHNICAL SPECIFICATION Frequency X Band Scan coverage +/- 100° Scan velocity Instant beam switching Cooling Liquid and air Weight 215kg Key interfaces Ethernet, 1553B I am not sure what the weight of our current Yaho...
by Eric Leiderman
10 Dec 2017 09:05
Forum: Military Issues & History Forum
Topic: Su-30MKI: News and Discussion - August 9, 2014
Replies: 2756
Views: 286222

Re: Su-30: News and Discussion - August 9, 2014

Once an AESA radar is installed there should be a reduction of at least 100 kg also a lot of space will be freed because it is not so bulky. HALs plan of reducing the overall dry weight with this and removal of fixed ballast etc is very achievable. There will be extra weight added with other avoinic...
by Eric Leiderman
10 Dec 2017 08:43
Forum: Military Issues & History Forum
Topic: Project 75I - It Begins
Replies: 826
Views: 108422

Re: Project 75I - It Begins

The pump jet technology the french are dangling is not a big deal, For surface craft it has been in use for 60 years. It now powers fast ferries with a BHP of over 25k giving them a surface speed of 30 kts Yes there will be differences using this model on a submarine however they will be design twee...
by Eric Leiderman
05 Dec 2017 08:51
Forum: Military Issues & History Forum
Topic: Indian Army News & Discussions - 11 June 2014
Replies: 3478
Views: 392888

Re: Indian Army News & Discussions - 11 June 2014

http://ajaishukla.blogspot.ca/2017/12/a ... -this.html

I agree with shukla on this one.
The scrapping of the BMS Project will be a shame. Time to let the grunt call the shots.
After the 155 art guns this should have top most priority.
by Eric Leiderman
30 Nov 2017 10:59
Forum: Military Issues & History Forum
Topic: India's Retaliation Options to significant terrorist strikes
Replies: 1227
Views: 141718

Re: India's Retaliation Options to significant terrorist strikes

Musharraf is a wanabe politician now. He was and is a slimy character who ditched his own soldiers when his plan went phatt at Kargil.
by Eric Leiderman
26 Nov 2017 03:43
Forum: Trash Can Archive
Topic: LCA: News & Discussions: 15 August 2017
Replies: 3500
Views: 501975

Re: LCA: News & Discussions: 15 August 2017

Manish_P wrote:
shiv wrote:My article in Swarajya

Who is trying to sabotage the Tejas


Good Stuff, Sir!



Nice post , See if they will post a follow up with more info
by Eric Leiderman
21 Nov 2017 08:44
Forum: Trash Can Archive
Topic: LCA: News & Discussions: 15 August 2017
Replies: 3500
Views: 501975

Re: LCA: News & Discussions: 15 August 2017

the physical dimensions of the LCA as originally specked by the IAF were such that they could fit in the existing hardened structures that were built for the Migs The SEF candidates are larger than the LCA or Mig 21's so there will be additional costs when they join our forces as far as ground struc...
by Eric Leiderman
20 Nov 2017 09:17
Forum: Military Issues & History Forum
Topic: Indian Missiles News & Discussions - May 2017
Replies: 4457
Views: 817739

Re: Indian Missiles News and Discussions - May 2017

http://idrw.org/ministry-of-defence-scr ... ore-154292

India scraps SPIKE deal gives development of a manportable ant tank missile to RDO, With an approx. timespan for development 3-4 years.

Accuracy of above to be determined.
by Eric Leiderman
15 Oct 2017 02:09
Forum: Military Issues & History Forum
Topic: Kaveri & Aero-Engine: News & Discussion
Replies: 4363
Views: 723481

Re: Kaveri & aero-engine discussion

P&W are testing a turbo fan engine with a gear box that decelearates the compressor from the turbine, with an estimated 15% gain in efficiency The reason for reducing the the compressor is the fan tips are have an angular velocity greater than the spped of sound , which causes issues with compre...
by Eric Leiderman
11 Oct 2017 10:06
Forum: Military Issues Archive
Topic: 'Make in India' Single engined fighter
Replies: 5425
Views: 530394

Re: 'Make in India' Single engined fighter

Mr Shookla only talks of the LCA Mk1A not the MK2 that is what the IAF requires in nos 200+ Hopefully they can get the 2 flying soon.

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