ISRO General News and Updates

[FalconSlayers]

Wasn't it 8 tonnes?

Is it 8? Let me chack it once again...

 

[FalconSlayers]

Wasn't it 8 tonnes?

Is it 8? Let me chack it once again...

It is 5 Tonnes for GSLV MK3...

 

[Indx TechStyle]

Exactly, what we are saying for ISRO today was what we were saying for DRDO a decade back.
ISRO used to be our darling in India, where none of Govt PSU were expected to perform. ISRO was doing amazing stuff although compared to these PSU only (global players were still much faster).
But over the last few years DRDO has managed to turned around its image completely, so many projects are running in parallel, so many projects are showing results also.
But ISRO seems to have lost track, even after so much years, where a lot of rocket stuff is outsourced to private players we are still seeing only 4-6 launches per year, SSLV nowhere to be seen, Powerful engines no where to be seen, only thing which is coming out is "ISRO is already working on the same".

DRDO just got excessive budget, support of private start ups for production and fruits of various projects that were running in parallel have shown results now. DRDO's tasks are far different and difficult from ISRO anyway.

As for ISRO, not much has been affected. Had coronavirus pandemic not been around and ISRO would have launched unmanned Gaganyaan, a couple more foreign satellites, tested landing module RLV and preparing Chandrayaan-3 this year, it would again have become bigger darling of people again. Lockdown pushed them at least 8-10 months behind if not an year.

SSLV is coming by end of this month after launch pad modification. And doubling launch frequency would take time because they will have to increase launch vehicle module production and modify pads and get budget for it. It tooks 10 years to go into 6-7 launches/year from 2-3 launches/year from previous decade. Going to 15+ would take a decade (not accounting SSLV launches and private companies as those are short cycle vehicles).

This approach of ISRO vs DRDO, and labeling DRDO "lazy" for delayed projects and now ISRO because of no updates because their operations were strangulated for an year is a very very ignorant approach.

Why GOI not providing more funds to DRDO & ISRO why same figure every year.

30K crore to aise hi nikal ayenge . Isse jada to corruption main money loss hoon jatte hai.

Budgets of all major PSUs has doubled and even tripled from 2014. Last year, ISRO couldn't even spend 50% of its budget in 2020 due to lockdown. So unless they have enough projects and speed to spend money. Their budget was boosted in past few years because speed operations increased many times. Clearly they never lost momentum.

 

[FalconSlayers]

Wasn't it 8 tonnes?

Is it 8? Let me chack it once again...

It is 5 Tonnes for GSLV MK3...

It is 5 Tonnes for the Geosynchronous orbit and 10 tonnes for Lower Earth Orbit capacity of our GSLV MK3.

 

[SKC]

Advantage of ISRO mainly around low costs for space mission and not in the case of launching satellites. India depends on forien countries for heavy launch and yet to start developement of super heavy rocket. USA/EU/Chinese need a large number of satellites for global space application, space exploration, planet exploration etc.
Question is does isro meeting Indian requirements- 88% yes which is a way better than DRDO/ HAL/ dpsu/ ofb.
NASA developing new space launch vehicle/crew module and buying engine from Russia and need Russia support. ISRO still one of the best.

Only 1 launch system from USA needs Russian Engines and they are close to run out of the engines now and building their own engines now. Rest of the vendors in US have their own engines and designs.

 

[Indx TechStyle]

It is 5 Tonnes for the Geosynchronous orbit and 10 tonnes for Lower Earth Orbit capacity of our GSLV MK3.

No, and 4 tonnes is official safe working load and 4.25 tonnes is absolute one. It will be 6 tonnes (and 15 tonnes to LEO) once SCE-200 becomes main engine.

 

[FalconSlayers]

No, and 4 tonnes is official safe working load and 4.25 tonnes is absolute one. It will be 6 tonnes (and 15 tonnes to LEO) once SCE-200 becomes main engine.

Yes, I hope it does as last time we had to use a French vehicle for launching our satellite because it was heavier by a slight margin.

 

[Indx TechStyle]

Yes, I hope it does as last time we had to use a French vehicle for launching our satellite because it was heavier by a slight margin.

Our major issue is launch frequency. Producing components for GSLV Mk3 takes way longer time than PSLV. Indian HLV and SHLV may have their first flight just few years after SCE-200 is tested. But launch frequency is going to remain low.

 

[Gerlat]

GSLV MK3 is India’s heaviest payload carrying vehicle at 5 Tonnes...
View attachment 80359

I know, but bring it don't help much.
Competition is very high, finding forien order is very difficult, since gov of usa/china/Russia/eu don't support it.
Adding mk3 bring isro to achieve 97% of Indian needs.
Best thing about ISRO is low cost for space mission and not launching satellites. Reusable launch vehicle like ones of space x is a huge challenge. ISRO don't have that kind of money, it's like IAF building a force like USAF.

 

[Akula]

DRDO just got excessive budget, support of private start ups for production and fruits of various projects that were running in parallel have shown results now. DRDO's tasks are far different and difficult from ISRO anyway.

As for ISRO, not much has been affected. Had coronavirus pandemic not been around and ISRO would have launched unmanned Gaganyaan, a couple more foreign satellites, tested landing module RLV and preparing Chandrayaan-3 this year, it would again have become bigger darling of people again. Lockdown pushed them at least 8-10 months behind if not an year.

SSLV is coming by end of this month after launch pad modification. And doubling launch frequency would take time because they will have to increase launch vehicle module production and modify pads and get budget for it. It tooks 10 years to go into 6-7 launches/year from 2-3 launches/year from previous decade. Going to 15+ would take a decade (not accounting SSLV launches and private companies as those are short cycle vehicles).

This approach of ISRO vs DRDO, and labeling DRDO "lazy" for delayed projects and now ISRO because of no updates because their operations were strangulated for an year is a very very ignorant approach.

Budgets of all major PSUs has doubled and even tripled from 2014. Last year, ISRO couldn't even spend 50% of its budget in 2020 due to lockdown. So unless they have enough projects and speed to spend money. Their budget was boosted in past few years because speed operations increased many times. Clearly they never lost momentum.

First launch pad has been modified during the lockdown.

 

[FalconSlayers]

Our major issue is launch frequency. Producing components for GSLV Mk3 takes way longer time than PSLV. Indian HLV and SHLV may have their first flight just few years after SCE-200 is tested. But launch frequency is going to remain low.

What is HLV and SHLV?

 

[Indx TechStyle]

For the people comparing launch frequency simplistically,

Every year
US : 15-20 mixed of heavy and upper medium launch vehicles.
Russia: 15-20 mixed of heavy and upper medium launch vehicles.
China: 15-20 (sometimes 30) upper medium and small launch vehicles. Sometimes heavy lift.
India: 5-7 lower medium launche vehicles. Sometimes upper medium.
EU: 6-9 heavy lift launch vehicles.
Japan: 2-6 (Very fluctuating) upper medium launch vehicles. Sometimes heavy lift.

 

[Akula]

I know, but bring it don't help much.
Competition is very high, finding forien order is very difficult, since gov of usa/china/Russia/eu don't support it.
Adding mk3 bring isro to achieve 97% of Indian needs.
Best thing about ISRO is low cost for space mission and not launching satellites. Reusable launch vehicle like ones of space x is a huge challenge. ISRO don't have that kind of money, it's like IAF building a force like USAF.

Reusability is the future. Earlier only government owned space agencies were there. Now private companies have shown their capabilities eg Spacex. Even Rocket lab is planning Neuron reusable rocket. ISRO is planning a test demonstrator called 'Admire'.
The only thing I hate about ISRO is there timeline and specially that December dates.

 

[Indx TechStyle]

First launch pad has been modified during the lockdown.

Won't be a big deal, it will be made a commercial mission launch pad for PSLV. (Minimum 10 PSLV/GSLV launches are required for an year besides 4-5 GSLV Mk III launches if India actually wants to show itself as some real kind of space industrial power).

What is HLV and SHLV?

Hevay and super heavy rocket projects which have been in study in India since 2010. They will use clustered SCE-200 engines which will be tested on GSLV Mk III in 2023-24 first. They also wanted to bring a new series of modular rockets (UMLV) to replace PSLV/GSLV etc. but seems that's in cold bag now.

I think we have discussed those earlier a lot in thread with details, updates, news and official slides from ISRO.

 

[mandestiny]

Reusability is the future. Earlier only government owned space agencies were there. Now private companies have shown their capabilities eg Spacex. Even Rocket lab is planning Neuron reusable rocket. ISRO is planning a test demonstrator called 'Admire'.
The only thing I hate about ISRO is there timeline and specially that December dates.

Yeh December mar dalta hai. Har project ka deadline december hi hota hai

 

[Varun2002]

Indx Tech Style. excuse the naivete , but how did ISRO manage two huge launches in May-June/2017, within a month of one another. On May 5th, the GSLV Mk2 launched South Asia Sat GSAT-9, and on June 5th the GSLV Mk3 launched GSAT-19. And both of course from the second launch pad. Was it a case of being one of those times when all the components for the two vehicles were available for the respective launch dates? Again in 2018, a GSLV Mk 3 was launched on Nov 14th, and a Mk2 on Dec 19th. Just 5 weeks apart.

 

[Indx TechStyle]

Indx Tech Style. excuse the naivete , but how did ISRO manage two huge launches in May-June/2017, within a month of one another. On May 5th, the GSLV Mk2 launched South Asia Sat GSAT-9, and on June 5th the GSLV Mk3 launched GSAT-19. And both of course from the second launch pad. Was it a case of being one of those times when all the components for the two vehicles were available for the respective launch dates? Again in 2018, a GSLV Mk 3 was launched on Nov 14th, and a Mk2 on Dec 19th. Just 5 weeks apart.

Rockets are assembled in explodable structures called Vehicle Assembly Buildings (VABs). At that time, India had just one operational and second was just given just for this purpose.

Obviously, ISRO already had components of both rockets stacked at once.

Simultaneous assembly of Vehicle in two different buildings took place.

 

[Karthi]

Gaganyaan

Crew Module Gagnyaaan

Accommodation layout of ECLSS in Crew Module.

Clean Room for Gaganyaan CE20 Engine integration.

various NAVIC Chips

RLV avionics bay mechanical integration

RLV hook beam qualification

RLV main landing gear

 

[Karthi]

XPoSat

Second generation distress alert system

Outdoor unit for real time information system

Intdoor unit for real time information system

 

[Varun2002]

ISRO annual report for '20-21

https://www.isro.gov.in/sites/default/files/anual_report_2020-2021_english.pdf