Search found 1078 matches

by prasannasimha
21 Feb 2020 12:51
Forum: Military Issues & History Forum
Topic: Indian Space Program: News & Discussion - Sept 2016
Replies: 4217
Views: 948530

Re: Indian Space Program: News & Discussion - Sept 2016

Also when people do rhona dhona over delay a remember no two flights of even PSLV are exactly the same with many publicized and unpublicized changes as a part of incremental development that are being validated experimentally before actual flight as we do not have the luxury of many purely experimen...
by prasannasimha
21 Feb 2020 12:48
Forum: Military Issues & History Forum
Topic: Indian Space Program: News & Discussion - Sept 2016
Replies: 4217
Views: 948530

Re: Indian Space Program: News & Discussion - Sept 2016

As far as people saying they have seen schematics of ADMIRE for 2 years ADMIRE is not just one system - it is a range of test systems that will be used to test different things.
by prasannasimha
18 Feb 2020 10:18
Forum: Military Issues & History Forum
Topic: Indian Space Program: News & Discussion - Sept 2016
Replies: 4217
Views: 948530

Re: Indian Space Program: News & Discussion - Sept 2016

Simple example crew abort system helps validate use of the test vehicle which is nothing but part of ADMIRE as per Somnath!s presentation. Grid fins on the capsule help validate grid fin design and its control laws. The list is endless.
by prasannasimha
18 Feb 2020 00:51
Forum: Military Issues & History Forum
Topic: Indian Space Program: News & Discussion - Sept 2016
Replies: 4217
Views: 948530

Re: Indian Space Program: News & Discussion - Sept 2016

Let me do a little bit rona dhona. I kind of thought that it would happen and it did. All the focus on HSF has taken focus away from capability development for more efficient and larger launch capability. There is no mention of SCE200, SC120 or S200 in the whole report. The ADMIRE based projects ar...
by prasannasimha
16 Feb 2020 00:06
Forum: Military Issues & History Forum
Topic: Indian Space Program: News & Discussion - Sept 2016
Replies: 4217
Views: 948530

Re: Indian Space Program: News & Discussion - Sept 2016

Inflatable Aerodynamic Decelerator !!

RH300 MkII/IAD Technology Demonstration: Realisation of IAD system in Polychloroprene coated Kevlar fabric is in progress. Inflation system configuration has been carried out. The flight was targeted by the end of 2019
by prasannasimha
15 Feb 2020 23:56
Forum: Military Issues & History Forum
Topic: Indian Space Program: News & Discussion - Sept 2016
Replies: 4217
Views: 948530

Re: Indian Space Program: News & Discussion - Sept 2016

Project NETRA Network for space object Tracking and Analysis (NETRA) is the first ISRO project with the primary objective as Space Situational Awareness (SSA). The prime goal of the project is to establish a network of observational facilities and a control centre, to identify, track and catalogue s...
by prasannasimha
15 Feb 2020 23:54
Forum: Military Issues & History Forum
Topic: Indian Space Program: News & Discussion - Sept 2016
Replies: 4217
Views: 948530

Re: Indian Space Program: News & Discussion - Sept 2016

Test Vehicle Project (TVP): Test Vehicle is a single stage liquid propelled launch vehicle being developed to validate the Crew Escape System (CES) performance at different critical Mach numbers, viz, transonic, Qmax, Mach 2.0 and Mach 2.5. Test Vehicle mimics the Human Rated Launch Vehicle trajecto...
by prasannasimha
15 Feb 2020 23:53
Forum: Military Issues & History Forum
Topic: Indian Space Program: News & Discussion - Sept 2016
Replies: 4217
Views: 948530

Re: Indian Space Program: News & Discussion - Sept 2016

https://pbs.twimg.com/media/EQ1c95jVAAAmEH9?format=png&name=900x900 Hypersonic Air Breathing Vehicle with Air frame integrated system (HAVA): It is a lifting body hypersonic vehicle integrated with scramjet engine, boosted by ADMIRE booster to an altitude of 44 km and glide down to 25 km altitu...
by prasannasimha
31 Jan 2020 10:51
Forum: Military Issues & History Forum
Topic: Kaveri & Aero-Engine: News & Discussion
Replies: 5219
Views: 1051075

Re: Kaveri & Aero-Engine: News & Discussion

Problem of using LCA as FTB is it is a single engine plane so failure would end in a crash and loss of data wrt direct engine analysis
by prasannasimha
31 Jan 2020 10:50
Forum: Military Issues & History Forum
Topic: Kaveri & Aero-Engine: News & Discussion
Replies: 5219
Views: 1051075

Re: Kaveri & Aero-Engine: News & Discussion

Problem of using LCA as FTB is it is a single engine plane so failure would end in a crash and loss of data wrt direct engine analysis
by prasannasimha
27 Jan 2020 20:13
Forum: Military Issues & History Forum
Topic: Indian Space Program: News & Discussion - Sept 2016
Replies: 4217
Views: 948530

Re: Indian Space Program: News & Discussion - Sept 2016

Institute of dpace medicine is being upgraded. Actually there is a stepwise progress planned after the initual space program. Tge trqining that will be given is to give a fillip to the biosciences program for HSP
by prasannasimha
24 Jan 2020 23:38
Forum: Military Issues & History Forum
Topic: Indian Missiles News & Discussions - 17 Dec 2018
Replies: 2604
Views: 713307

Re: Indian Missiles News & Discussions - 17 Dec 2018

sudhan wrote:
prasannasimha wrote:


Yes, sir. i know that. I know the missile in the video is K15/BO5.. Hence my question: Is cavitation assisted launch a feature only on K4 and higher..?

Only K4 has the nosering tractor. We need to see what they have done for K5 K6 Cavitation is required for significantly heavy launch weights
by prasannasimha
24 Jan 2020 22:32
Forum: Military Issues & History Forum
Topic: Indian Missiles News & Discussions - 17 Dec 2018
Replies: 2604
Views: 713307

Re: Indian Missiles News & Discussions - 17 Dec 2018



This is the video which was shown in AeroIndia 2015
by prasannasimha
24 Jan 2020 22:30
Forum: Military Issues & History Forum
Topic: Indian Missiles News & Discussions - 17 Dec 2018
Replies: 2604
Views: 713307

Re: Indian Missiles News & Discussions - 17 Dec 2018

sudhan wrote:I dont remember seeing a cavitation cap type exhaust on the pre-induction (i think) test flight of the K15/BO5. Of course there is a cap that is ejected post launch. Is the cavitation feature only on missles >= K4?


tHAT WAS NOT k4 BUT BO 15
by prasannasimha
23 Jan 2020 23:32
Forum: Military Issues & History Forum
Topic: Indian Missiles News & Discussions - 17 Dec 2018
Replies: 2604
Views: 713307

Re: Indian Missiles News & Discussions - 17 Dec 2018

The K4 has got a nose ring tractor which generates the cavitation cap just like the R39.
by prasannasimha
14 Jan 2020 00:30
Forum: Military Issues & History Forum
Topic: Indian Missiles News & Discussions - 17 Dec 2018
Replies: 2604
Views: 713307

Re: Indian Missiles News & Discussions - 17 Dec 2018

Manik based Nirbhay would be tested mid year as per some websites
by prasannasimha
27 Dec 2019 20:58
Forum: Military Issues & History Forum
Topic: Indian Space Program: News & Discussion - Sept 2016
Replies: 4217
Views: 948530

Re: Indian Space Program: News & Discussion - Sept 2016

Yes but that was a failure and as you said it had a nonogival fairing
by prasannasimha
27 Dec 2019 20:08
Forum: Military Issues & History Forum
Topic: Indian Space Program: News & Discussion - Sept 2016
Replies: 4217
Views: 948530

Re: Indian Space Program: News & Discussion - Sept 2016

As a note GSLV Mk2 payload fairing was 3.4 meters wide (was never 4m before) and the new faring is 4 meters wide with ogival nosecone
by prasannasimha
27 Dec 2019 17:53
Forum: Military Issues & History Forum
Topic: Indian Space Program: News & Discussion - Sept 2016
Replies: 4217
Views: 948530

Re: Indian Space Program: News & Discussion - Sept 2016

SpaceX is using reusable conventional rockets to reduce costs of Spacelaunch. However I have a feeling that Gas guns like in project SHARP have the potential to quicklaunch satellites, supplies and fuel to space at much lower costs than SpaceX. ISRO should try some pilots. I have this idea that a t...
by prasannasimha
23 Dec 2019 15:06
Forum: Military Issues & History Forum
Topic: Indian Space Program: News & Discussion - Sept 2016
Replies: 4217
Views: 948530

Re: Indian Space Program: News & Discussion - Sept 2016

The next launch will be GSLV F10 for GISAT1 Date is not yet finalized. May be in Jan or Feb
by prasannasimha
11 Dec 2019 21:17
Forum: Technology & Economic Forum
Topic: BR medical topics corner.
Replies: 55
Views: 4489

Re: BR medical topics corner. Homeopathy and surgical technologies

This is untrue. My father had a non-malignant patch in his lungs and they had planned to operate him. He just took a chance to see a homeopathic doctor who was recommended by my uncle who practiced it briefly. Within a matter of 3-4 weeks, after taking regular medication, they could no longer see t...
by prasannasimha
11 Dec 2019 21:15
Forum: Technology & Economic Forum
Topic: BR medical topics corner.
Replies: 55
Views: 4489

Re: BR medical topics corner. Homeopathy and surgical technologies

There is no rational explanation, but I have multiple instances for Homoeopathy working. 1. My brother-in-law had virtiligo (white patches on skin). Tried modern medicine for some time. No use. Homoeopathy completely cured it in a few months. 2. My mother started cataract in her eyes. Homoeopathic ...
by prasannasimha
29 Nov 2019 00:45
Forum: Military Issues & History Forum
Topic: Indian Space Program: News & Discussion - Sept 2016
Replies: 4217
Views: 948530

Re: Indian Space Program: News & Discussion - Sept 2016

This tome the wafer onwards production saa ondigenpus. Previoudly sent to am outside fab unit
by prasannasimha
20 Nov 2019 09:54
Forum: Military Issues & History Forum
Topic: Kaveri & Aero-Engine: News & Discussion
Replies: 5219
Views: 1051075

Re: Kaveri & Aero-Engine: News & Discussion

I think we must build separately some engine as a science project that works and build a plane around it. This way we will get out of the long term cgicken and the egg situation. The science project continues to evolve the engine in stages
by prasannasimha
18 Nov 2019 15:35
Forum: Military Issues & History Forum
Topic: Indian Missiles News & Discussions - 17 Dec 2018
Replies: 2604
Views: 713307

Re: Indian Missiles News & Discussions - 17 Dec 2018

Rout's source may have been told to keep silent . He has lost his info source it seems
by prasannasimha
31 Oct 2019 19:40
Forum: Military Issues & History Forum
Topic: Chandrayan-2 Mission
Replies: 2219
Views: 289303

Re: Chandrayan-2 Mission

Just not making the orbiter will not cut it as to reach the moon the orbiter will be the system that will do the multiple orbiter elevation etc and then and only then can it detach and lander can land.
by prasannasimha
20 Oct 2019 00:58
Forum: Military Issues & History Forum
Topic: Indian Space Program: News & Discussion - Sept 2016
Replies: 4217
Views: 948530

Re: Indian Space Program: News & Discussion - Sept 2016

According to a AV report on Youtube[/url], very soon there is a going to be a landing test in Chitradurga in Karnataka. The RLV will be dropped from a height of 3 km by a Helicopter, the onboard system will then help this vehicle to glide and land on runway. That's good, but it would have been nice...
by prasannasimha
20 Oct 2019 00:53
Forum: Military Issues & History Forum
Topic: Advanced Medium Combat Aircraft: News & Discussion - 30 August 2019
Replies: 373
Views: 81009

Re: Advanced Medium Combat Aircraft: News & Discussion - 30 August 2019

To add to it IAF have clearly told they can track the so called Chines Stealth aircraft
by prasannasimha
06 Oct 2019 00:03
Forum: Military Issues & History Forum
Topic: Indian Missiles News & Discussions - 17 Dec 2018
Replies: 2604
Views: 713307

Re: Indian Missiles News & Discussions - 17 Dec 2018

Not to worry. Nag is being used. We want other ATGM's to build up our stock and well we are not operating at present in hot summer when spie etc failed and now Nag works
by prasannasimha
03 Oct 2019 23:55
Forum: Military Issues & History Forum
Topic: Tejas Mk.1 & Mk.1A: News & Discussions: 23 February 2019
Replies: 2306
Views: 664611

Re: Tejas Mk.1 & Mk.1A: News & Discussions: 23 February 2019

Tejas did travel from Bangalore to Jaisalmer for for Iron fist without refueling
by prasannasimha
03 Oct 2019 10:10
Forum: Military Issues & History Forum
Topic: Indian Space Program: News & Discussion - Sept 2016
Replies: 4217
Views: 948530

Re: Indian Space Program: News & Discussion - Sept 2016

One of the goals of SPADEX is also satellite refuelling and upgrading. Its not just about space stations.
by prasannasimha
30 Sep 2019 23:26
Forum: Military Issues & History Forum
Topic: Chandrayan-2 Mission
Replies: 2219
Views: 289303

Re: Chandrayan-2 Mission

Oh so you are insinuating that ISRO has already located Vikram/Pragnya? There is already mention of thermal imaging .There are sources mentioning that imaging by the orbiter has been done. Further information will be got after failure analysis. They will not put out any more information till it is ...
by prasannasimha
29 Sep 2019 23:47
Forum: Military Issues & History Forum
Topic: Chandrayan-2 Mission
Replies: 2219
Views: 289303

Re: Chandrayan-2 Mission

Thanks, makes me feel better. It makes sense, so they can also do comparative before and after analysis. I think ISRO has all the pics, analysis (finding needle in hay stack) is taking time and thus not officially released. The shadows etc. only came some days after the 'landing'. Trying to find 3 ...
by prasannasimha
29 Sep 2019 22:55
Forum: Military Issues & History Forum
Topic: Chandrayan-2 Mission
Replies: 2219
Views: 289303

Re: Chandrayan-2 Mission

To put it into perspective the expected image even of the CY2 orbiter would be 3 pixels wide and that of LRO 1 pixel in size. The shadow analysis may give more information. As Amber G said it will require comparing of before and after images.
by prasannasimha
29 Sep 2019 14:24
Forum: Military Issues & History Forum
Topic: Chandrayan-2 Mission
Replies: 2219
Views: 289303

Re: Chandrayan-2 Mission

UlanBatori wrote:This thread is now more repetitive than an orbit by the LRO. As long as nothing new is discussed v should b fine. Maybe post a few pics of the launch?

Then please desist from posting if noncontributory
by prasannasimha
27 Sep 2019 14:48
Forum: Strategic Issues & International Relations Forum
Topic: Kerala, Andhra and Tamil Nadu - news and strategy thread
Replies: 1351
Views: 155284

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

If this caste based bashing does not stop pronto bans will be issued. Be warned. This forum is Bharath Rakshakh were we talkand promote unity and not create anecdotal fables. This page will be monitored.
by prasannasimha
26 Sep 2019 21:37
Forum: Military Issues & History Forum
Topic: Chandrayan-2 Mission
Replies: 2219
Views: 289303

Re: Chandrayan-2 Mission

What is 360 degree flip? If you see the image during the landing the animation showing the position of the lander actually did a Vishnu chakra type of somersault 360 deg rotation back to its vertical position and righted itself (I immediately commented as to why it was doing such a flip) but there ...

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