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Who said to you that Oxidizer Rich Staged Combustion Cycle is safe.No, It's not safe. Infact Oxidizer Rich Staged Combustion is far more complex than a fuel rich cycle , because in Oxidizer Rich cycle, the Oxygen rich mixture corrodes the metal with which it interacts. It's very difficult to...

Expander cycle is simple and cheap , but it is least efficient of all the cycles. What's the point of developing a new upper stage Cryo engine when we already have the most powerful one

we are spending more than 1.5 lac crores and 2.5 lac crores on minority and SC/ST schemes, while ISRO and DRDO budgets are less than 15K crores each

staged combustion cycle is not outdated tech. It is the most efficient thermodynamic cycle when compared to others cycles. The problem is that it is also more complex when compared to other cycles

GISAT is a 2 sat constellation . The 2nd satellite GISAT-2 is already under development. I hope next Mk-2 will be in next year only.

Not only NISAR but also Gaganyaan too. Mk-2 is supposed to launch IDRSS Data Relay Satellites.

We have indeed mastered the Cryo tech. only 2 CE-7.5 engines failed till date. 1 failure doesn't mean our tech is lagging behind. Otherwise we wouldn't have Indigenously designed CE-20 which is a state of the engine, there is no other engine in the world with that capabilities. Would you say...

Uncle Sam. Remember, last year the launch was called off just few minutes before the launch and it was delayed till date citing various reasons. I find this GISAT story similar to that of GSAT-11 where they intentionally delayed & tried to sabotage it until the govt forced them to launch it...

Yep mee too, I had this feeling that this launch may go wrong

No the possibility of internal sabotage is more , considering that this launch is being intentionally delayed for more than a year and also GISAT is a military sat.