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There is no liquification in ramjet-scramjet. 1) There is no parallel program to ABP based on dual mode ramjet-scramjet in ISRO. 2) SABRE is a combined cycle or hybrid (pre-cooled ABP + rocket) engine. It either uses stored liquid oxygen or compressor fed gaseous air to burn the liquid...

There are two parts to achieving low cost of access to space: 1) A reusable launch vehicle: the hardware contributes a major chunk (70-80 % that includes manufacturing + materials) to the cost of a launch vehicle that is expended after one use in present launch vehicles. By reusing the same...

??????24??-35?????_????_??? CCTV March 24 "Today's Focus" broadcast "China and Russia signed the purchase of 24 Su-35 fighter contract, the following is the text Record: Xi Jinping's visit to Russia, China and Russia have just signed two major arms sales to the Framework Agreement...

For a fly by wire system, air data system provides parameters like air speed, pressure, angle etc. Tejas uses pitot tubes as sensor for the air data system. Protruding pitot tube is not good for stealth designs and requirement is that a sensor should be flush with the aircraft body. here comes...

I think heat shielding tiles are missing, altough hot structure like the carbon carbon nose cone, wings leading edges are present,

A winged Re-usable Launch Vehicle Technology Demonstrator (RLV-TD) has been configured to act as a flying test bed to evaluate various technologies, namely, hypersonic flight, autonomous landing, powered cruise flight and hypersonic flight using air breathing propulsion towards realising a Two...

Do you think ADA will go public and criticize the gov and IAF? Just compare the upfront cost of Rs 17,547 crore for the upgrade program of a 25 yr old airframe with that of LCA tejas overall developmental cost of Rs 17,269 cr by 2018 that too done in batches, including the naval variant and...

That is the point they have to plead and beg for support from both the IAF and gov for any desi development. Even then they are given minuscule funds. Generosity is only reserved for the foreign OEMs.

IAF does not mind delays when it comes to foreign origins. No your are wrong. Putting money in Indian origin platforms like LCA, AMCA etc is considered a waste. On the other hand, a 25 yrs old foreign origin airframe with exorbitant upgrade cost and protracted upgrade period is not a waste!!!

Irritated when your bubbles are bursting? Dhruv was designed by HAL in consultation with foreign partners, which is different from keeping things simple by a direct purchase of MKI version of some foreign heli. HAL very much owns the aero design of Dhruv and that is the reason it can...

It seems you are so deeply engrossed in your dreams that reality defies you. Again, for all major modifications or upgrades like radar, engine, control laws and airframe for SU30s and Mig29k, India is bound to go to the original OEM. India cannot make modifications of major systems on its own...

After all your rants and twisted arguments, the fact is for any kind of major modifications India has to send latests generation fighters like SU30 and Mig 29 to Russia and same will be the case with FGFA which is Indianised version of PAKFA. There will always be strings attached when it comes...

Yeah!!! You need to understand only one point that no matter in how many ways you try to twist the argument in the end you will have to accept (the way you did in the bold part) that any change especially major modifications like change of pylon, internal carriage or even a weapons pod or...

what does that even mean when you say we dont need rights but approval? You dont need any rights to develop a weaponpod, but you need rights to integrate them onto a platform that is developed by them. You need rights to make any aerodynamic changes whether that is strengthening of pylon to...

Prototypes will come from russia, HAL will not make any prototype. HAL will only integrate Indian and western Avionics into the prototypes and flight test them to satisfy IAF requirements.

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:what: , And How do you suggest we get the rights from russia/ france that will allow all that what you have mentioned to be done in India? Do you think Russia/France will give you the right to make changes to their planes without their consent? For a modification like strengthening of pylon...

WHat improvements? Why would russia allow India to upgrade sukhois, FGFA on its own?

Awesome maneuver by LCA Tejas making a heart at Aero India 2013