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  1. ersakthivel

    AMCA - Advanced Medium Combat Aircraft (HAL)

    the way to extract more power from jet engine is to reduce the stages and reduce weight, increase turbine inlet temperature(TET) with better CMC and thermal coatings with better SCB tech and cooling channels, modern jet engine development goes for higher engineTWR,
  2. ersakthivel

    AMCA - Advanced Medium Combat Aircraft (HAL)

    1.mission computer has nothing to do with fly by wire control laws software and hardware, It took 5 years just to build the Iron Bird test rig that ran Tejas fly by wire , watch hamara Tejas part 5. 2. offshore assistance fr fly by wire means you hv to go to them every time , when you want...
  3. ersakthivel

    AMCA - Advanced Medium Combat Aircraft (HAL)

    I wold like to know who is selling ,standard fly by wire enabled mission computer off the shelf, IMHO mission computer is a just a tiny bit(like a switch) of the control laws based fly by wire tech. In 1980s even the french were were developing 3 channel digital and one channel analog hybrid...
  4. ersakthivel

    AMCA - Advanced Medium Combat Aircraft (HAL)

    DRDO chief Sateesh Reddy's presentation fr ISRO shows 2026 as the first flight time fr AMCA mk1, saw it on twitter,
  5. ersakthivel

    AMCA - Advanced Medium Combat Aircraft (HAL)

    Of course with tejas experience I hope ADA Will go forward with naval AMCA first, We will hear about stealth UCAVS as spotters of 5th gen enemy planes, for 4.5th & other radar silent 5th gen fighters, very soon.
  6. ersakthivel

    AMCA - Advanced Medium Combat Aircraft (HAL)

    That's what I said, There will always be some compromise some where.
  7. ersakthivel

    AMCA - Advanced Medium Combat Aircraft (HAL)

    No one ever in this world has built a perfectly balanced stealth multi role fighter. F22 focused more on air to air & only 1000lb bombs. F35 focuses more on strike with 2000lbs bombs & not as good as F22in air to air. Primary need of a stealth fighter is to strike strategic, highly...
  8. ersakthivel

    AMCA - Advanced Medium Combat Aircraft (HAL)

    Ri right approach . We only hv 414 as engine choice. Promising super cruise with meaningful load is not possible, bcos engine doesn't hv spare power . So go the mk1, mk2 way. First deliver a baseline stealth striker. Upgrade when better engine tech comes around. Dont over promise & under...
  9. ersakthivel

    AMCA - Advanced Medium Combat Aircraft (HAL)

    Rafale cant supercruise with significant strike loads, only with light air to air config.
  10. ersakthivel

    AMCA - Advanced Medium Combat Aircraft (HAL)

    WHat is important is the Usable lift= Total Lift-drag equation, Once again wing loading comes into play. SO shape alone doesnt reduce usable lift. AMCA is also said to be of low wing loading Tejas type
  11. ersakthivel

    AMCA - Advanced Medium Combat Aircraft (HAL)

    Chinese are practical in fielding a stealth fighter J-20 with an under powered engine only for its low observability. But IAF wont touch AMCA even with a barge pole , if it doesn't supercruise at mach 1.5!! same speed as that of F-22!!! manohar Parrikar is trying to read some reason into IAF...
  12. ersakthivel

    AMCA - Advanced Medium Combat Aircraft (HAL)

    They were allowed to pull this stunt by bribe mongering UPA regime!!WHy blame the french?? Now they have No nonsense Modi- parrikar duo to deal with, SO make irrevocable contract with hefty fine for breaching & proceed on 18 month timeframe engine JV, Surely this JV could be finished within...
  13. ersakthivel

    AMCA - Advanced Medium Combat Aircraft (HAL)

    SAAB has nothing to offer on AMCA , may be or tejas mk2, These are just marketing spiels, SAAB hasn't fully developed its GaN ASEA tech, SAAB failed to develop the all critical RSS fly by wire control laws so critical for any 4.5th gen fighter jet, A couple of gripen prototypes crashed...
  14. ersakthivel

    AMCA - Advanced Medium Combat Aircraft (HAL)

    As a rule , you should never take anything posted in IDRW seriously. i dont know why they have kept the word Research in their name IDRW. Only aerodynamic configuration with stealth compliance has been finalized, others are just educational graphics,
  15. ersakthivel

    AMCA - Advanced Medium Combat Aircraft (HAL)

    All conjecture, Already both IAf and navy had contributed 900 cr each for tejas mk2 with improvements in every area like thrust to weight ratio, lower drag, higher fuel, higher ramge, OBORG, ASEA, Astra, IRST , lesser weight,etc, etc. And once it is ready IAf will definitely order a few...
  16. ersakthivel

    AMCA - Advanced Medium Combat Aircraft (HAL)

    Those kind of stalling tactics are gone look at the new govt talking straight to IAF to indict 120 odd tejas mk1 A, calling their only rafale bluff in no uncertain terms. Supercruising stealth planes(with full weapon load) with better SFC dont need as much fuel as non super cruising 4.5th gen...
  17. ersakthivel

    AMCA - Advanced Medium Combat Aircraft (HAL)

    Are you sure 1000 plus Km is combat radius/ It may be combat range, Combat radius is always shorter than combat range, people always mix things up.
  18. ersakthivel

    AMCA - Advanced Medium Combat Aircraft (HAL)

    Stealth fighters are no bomb trucks , they carry lesser no, lower weight LGBs and air to air missiles in their smaller internal bomb bays,and their super cruising engines contribute to longer distance covered with lesser fuel. Also if you bulge up a stealth fighter with rafale like internal...
  19. ersakthivel

    AMCA - Advanced Medium Combat Aircraft (HAL)

    Because Nuron has 0.8 by pass ratio engine, not every UCAV in the world has to have bigger by pass ratio engine!! So no need to change anything on K-9 to fit into AURA. by pass ratio plays no part in UCAV engine selection. No need to change innards or exxards(???) of K-9 to fit it into AURA. All...
  20. ersakthivel

    AMCA - Advanced Medium Combat Aircraft (HAL)

    No one has shut it down. Few journos simply misreported and we all believed it. it is on the path of certification and only k-9 non after burner version can power AURA the stealth UCAV, because no engine for it can be imported because of MTCR guidelines, You can read the posts of a guy called...
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