ISRO General News and Updates

omaebakabaka

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Ya'll Nibbiars never do the expected lines. LEO Space station, Moon landing has already been done. A planetary orbit mission's will cost only the fraction of a landing mission and would be the first Interplanetary mission's. And can be achieved on a limited budgets.
Done by whom? Why isn't it repeated? ARe you talking about rovers or humans? What did they achieve? Two countries that pursued it were heavily focussed on military adn world domination and the third China is certainly on the same line for every pursuit....

India without strong goals to pursue will go no where....it took this long for us to get to Cryo and we depend on lot of imports that go into our rockets too...honest evaluation is necessary and even more important is having an objective goal
 

Haldilal

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Ya'll Nibbiars

Phase 1.

Phase 1 involves a robotic exploration via a 31-metre-long (102 ft), 8-metre-tall (26 ft), airship. It would be used to test many of the technologies that would be used in the crewed version, including the dirigible, energy systems, and aerocapture and descent sled.

Phase 2.

Phase 2 is for astronauts to orbit Venus. The individual components would be assembled remotely, and the crew would join the larger assembly when all the preparations are complete. There would be a return module sent to low Venus orbit ahead of the astronauts, with which they would rendezvous in Venusian orbit, before returning to Earth.

Phase 3.

Phase 3 involves astronauts descending into the atmosphere, for 30 Earth days. The airship for this would be 129 metres (423 ft) long and 34 metres (112 ft) tall. The aeroshell would be used for heat dissipation. A parachute would be deployed to further slow the craft, before finally inflating the airship. Once inflated, the crew would live in the airship for a period equivalent to thirty Earth days, before detaching and ascending in the Venus Ascent Vehicle.

The outward journey for this phase would take 110 Earth days, and the return 300. The total mission time would thus be 440 days.

Phase 4.

Phase 4 of the concept is to send humans into the atmosphere of Venus for 1 Earth Year, similar to phase 3 but longer.

Phase 5.

Phase 5 is introducing a permanent human presence, in the Venusian atmosphere, by way of a permanent Space Station type spacecraft.
 
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sorcerer

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X POst
IAF, ISRO developing real-time aircraft tracking system for transport fleet


3-4 minutes


Photo for representation only. Reuters file
Vijay Mohan
Tribune News Service
Chandigarh, June 26
The Indian Air Force, in collaboration with the Indian Space Research Organisation (ISRO), is developing a real time aircraft tracking system (RTATS) that will be retrofitted in its transport fleet.
The technical specifications for the system have been framed by ISRO and the development and fabrication of the prototypes would be done by the industry, according to IAF sources. The trials and evaluation would be done by the IAF on AN-32 aircraft at one of its bases.


 

Haldilal

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For that we need a Nuclear Thermal Rocket
Ya'll Nibbiars even the Ion or electric Propulsion's can do the work with propellant depot's.
 

Vamsi

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Super heavy are atlas V or N1 level and they are not that useful vs heavy ones...key would be assembly in the orbits economically speaking
See what I'm saying is to reduce cost even further ,for that we need Lunar Transfer Vehicle (LTV) powered by a Nuclear Thermal Rocket (NTR) and we should be able produce large quantities of LH2 and LOX for that on moon surface . LH2 can be used as propellent in LTV .A NTR has a Specific impulse of 900s and Thrust of 100KN which is more than enough.
 
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Haldilal

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See what I'm saying is to reduce cost even further ,for that we need Lunar Transfer Vehicle (LTV) powered by a Nuclear Thermal Rocket (NTR) and we should be able produce large quantities of LH2 and LOX for that on moon surface . LH2 can be used as propellent in LTV .A NTR has a Specific impulse of 900s and Thrust of 100KN which is more than enough.
Ya'll Nibbiars Sea Dragon dumb booster's.

 

Vamsi

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Ya'll Nibbiars even the Ion or electric Propulsion's can do the work with propellant depot's.
Ion propulsion has less thrust ,thus very low acceleration, which is not useful for short burns like Orbit Insertion while a Nuclear Thermal has twice the specific impulse and high thrust of conventional rocket
 

omaebakabaka

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See what I'm saying is to reduce cost even further ,for that we need Lunar Transfer Vehicle (LTV) powered by a Nuclear Thermal Rocket (NTR) and we should be able produce large quantities of LH2 and LOX for that on moon surface . LH2 can be used as propellent in LTV .A NTR has a Specific impulse of 900s and Thrust of 100KN which is more than enough.
They are still not in the realm of practical rocketry, most nuclear applications so far have been in the form of batteries rather than propulsion means as far as space is concerned. Solar sails is probably more practical
 

omaebakabaka

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ISRO can achieve it with combo of scremjet, semi cfyogrnic engine snd improved capability of cryogenic engine.
I don't think we are even close in that area practically speaking, chinese manned rockets are suspiciously very soyuz looking probably just outright bought the tech. It is hard work and ISRO is doing commendable work, we just need to get into Proton level loads first for space station purposes and heavier sats into GTO
 

HariPrasad-1

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I don't think we are even close in that area practically speaking, chinese manned rockets are suspiciously very soyuz looking probably just outright bought the tech. It is hard work and ISRO is doing commendable work, we just need to get into Proton level loads first for space station purposes and heavier sats into GTO
Why we are not closer? Screm jet is already tested. Semicryogenic is almost done.
 

omaebakabaka

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Why we are not closer? Screm jet is already tested. Semicryogenic is almost done.
If we did then we would be launching bigger payloads into orbits by now....we took a while just to get to current cryo engine capability. There are no stated objectives either that would require a super heavy one....I am just basing on the lack of practical evidence plus super heavy is really not a priority even for established space powers
 
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Meanwhile a startup that has been in existence for just a few years has already tested an SCE concept engine…


Where is ISRO headed even with R&D then if startups are competing with ISRO at their own game (though this is overall very good for India - nothing like competition to light a fire under people’s asses)?

the thing is startups know that if they don’t deliver they will be out of a business. ISRO knows that take your own sweet time and everyone still gets paid and retires with a nice pension.

I think the days are not far off when India’s private sector will trailblaze in space R&D even with ISRO lagging behind. If AgniKul scales its rocket, which it has to as it is a do or die for them, it is game over for ISRO in the heavy launch market. Interesting days are ahead.
 

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