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TooCool_12f

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  • in reply to: Dassault Rafale, News & Discussion (XV) #2285124
    TooCool_12f
    Participant

    Seems to me that Dassault has proven itself to be a reliable partner for India last time they needed to use their Mirages for real…

    right now, Dassault’s major problem is that India seem to be asking to have HAL build the aircraft, which in itself is not really a problem for Dassault, but wants Dassault to be responsible alone for anything that may happen… if HAL doesn’t fit the bill, it would be Dassault who’d have to bear the responsability, which is simply something that no sane person on this planet or elsewhere would accept (especially considering the amounts of money involved).

    Dassault can be held responsible for what they do @ Dassault, but what happens @ HAL and out of Dassaults control is up to HAL to bear the responsability for… If India can’t trust its own people for the job to be done (and take the responsability for it), how could Dassault?

    in reply to: F-35 Debate thread (2) #2285149
    TooCool_12f
    Participant

    well, until the aircraft is finished (not anywhere near now) they’ll have the same argument from LM for every underperformance: “it’s going to be fixed soon”… with a nice powerpoint showing how fabulous it will be..

    what would be the point in comparing it now? If they need a potent aircraft in the next five years, the F-35 can’t be that one (even after that it won’t ever fit their needs IMO, but that’s another story)

    in reply to: Size of the new 5th gen fighters…too big !? #2285175
    TooCool_12f
    Participant

    D-21 was launched from the SR-71 in flight, needed to reach MAch3 to be able to fly on its engine (ramjet) that provided its thrust at high speeds only (or it wouldn’t even ignite). With 6.65t of thrust it provided it had to just maintain flight. Your aircraft will have to make do with an engine that will have to accelerate it past the sound barrier, maintain supersonic flight, and yet all that while loosing somewhere about 80% of its thrust once up there at altitude (not much air for a turbofan that high up)

    oh, and by the way, it was a single use, reconnaissance drone filled with fuel and one single camera. It would fly in a straight line and self destruct once back

    your engine will have to breathe (not easy in your concept, as there’s not much space for air to enter inside, increasing difficulty with thin air at altitude), you’ll have to have a cockpit with plenty of nice stuff (heavy) in order for your pilot to sit there and stay alive (for the beginning at least), you’ll need to have landing structure (gear and solid structure to stand landings at least during trials… as once in service it may not land all that often ^^ ), you’ll need to have space for weapons with supporting structure (heavy again), etc..

    ah, as for rockets you want to use, the D-21 when launched from a B-52 needed a booster bigger than the ship itself to reach sufficient speed (highly supersonic) to start its own engine… what do you think your two small rockets (where will you place them?) will be able to do?

    again, there’s no free lunch… it just doesn’t happen

    in reply to: EADS MAKO/HEAT. A possible new emerging market? #2285366
    TooCool_12f
    Participant

    it was in the leaked report . scrambled to intercept an f-18 flying an airliner profile, the gripen had to turn back calling bingo fuel before even intercepting the target…

    in reply to: EADS MAKO/HEAT. A possible new emerging market? #2285478
    TooCool_12f
    Participant

    I figure the key elements in STEALTH are:

    1. design ( deflecting surfaces )
    2. material ( absorbing the radar signals )
    3. size ( smaller aeroplane is by harder to detect )

    I figure designing is hard…but making the plane smaller is relatively untried territory so far.

    Faberge Eggs were small…I’d try to study them first.

    er, “size”… not really. look at the radar reflectors on the F-22 or similzr devices on leisure sail boats… even small, they strogly reflect radarwaves to make the thing visible.

    LO needs research -> costs money

    decent performance needs technology (research) -> costs money

    the gripen, in swiss evaluation had trouble scrambling and intercepting an airline-type target over swiss territory, and it’s a world beater in “bang for the buck department”. there’s no free lunch, and MAKO, while a nice trainer (T-38 replacement) would struggle to provide a sufficient level or performance to act as an air force’s unique aircraft

    in reply to: What will India replace Rafale with #2285710
    TooCool_12f
    Participant

    It will take some time whether competition was real.

    an Indian MP challenged the selection process (competition) and, while his challenge delayed the negotiations for the time of inquiry, the competition has been approved as straightforward

    Rafale is a political choice so if the deal is dropped IAF would be forced to resort to current main suppliers, Sukhoi and MiG, if they want a new fighters to replace old ones unless politicians are able to forge a new deal with either EU or US that overcomes whatever problems they had with the French.

    Strangely, that political choice went through a pretty complex, long and costly selection process… and, strangely again, even after an independant inquiry, it appeared that the selection process was real,

    in reply to: Dassault Rafale #14 – News & Discussion #2287640
    TooCool_12f
    Participant

    would Eurofighter trust HAL to produce Eurofighters?
    obviously Sukhoi trusts HAL to build MKis

    it’s just that Sukhois were supposed to be mostly built in india, yet, they were mostly made in russia…. HAL not being able to do its part as it should have been for too long…

    now they seem to do fine, but it took them more time than expected

    in reply to: Dassault Rafale #14 – News & Discussion #2288434
    TooCool_12f
    Participant

    the fact being, India wants Dassault to be fully and solely responsible for the aircraft, yet, they don’t allow Dassault to pick the partners to work with and impose HAL which, apparently, didn’t appear to Dassault representatives to be able to do its job as it is supposed to do

    in reply to: Rafale vs Su-35 (splitting from Rafale thread) #2288889
    TooCool_12f
    Participant

    on another hand, anything flying supersonic will make so mild turns that any missile sent its way inside its flight envelope has a good chance to hit

    then there are electronics.. missiles like the R-27 series may have long legs in some versions, but as far as efficiency goes… er… what’s the latter to go far if you can’t see (and hit) anything?

    in reply to: Size of the new 5th gen fighters…too big !? #2289058
    TooCool_12f
    Participant

    Right what e-seat do you recommend for mach 3.6 at 98 000 ft ?

    none, you’d need a detachable (very solid) capsule at such speeds…

    Zvezda K36 would be pretty much the best (or one of the two best) seat out there allowing supersonic ejections… but still, not at M3.6

    in reply to: Size of the new 5th gen fighters…too big !? #2289406
    TooCool_12f
    Participant

    Well..I am still a bit irritated by this remark.

    The Gekko flies faster than a Me-163 Komet with just the turbofan…and 3 times faster ( assumably ) than the Komet on rockets.

    What makes it a coffin..it has Martin Baker Mk15 fitted in and all ?

    Care to specify/elaborate ?

    ejection seat doesn’t mean a certified safe escape (especially at supersonic speeds). Besides, the Mk15 is to be used for speeds not exceeding 300kts… about M0.5…

    in reply to: Size of the new 5th gen fighters…too big !? #2289410
    TooCool_12f
    Participant

    my bad, it was X-43, not X-47, sorry

    in reply to: Rafale vs Su-35 (splitting from Rafale thread) #2290261
    TooCool_12f
    Participant

    TVC helps only inside the G-limits… if speeds are sufficient for the fighter to reach its maximum G, TVC or not makes little difference… and if its slow enough to use TVC, it’s sitting duck for an incoming missile…

    the only advantage of TVC is in supersonic trimming, and somewhat increased maneuverability at very low speeds, speeds where no sane pilot wants ever to be in a fight..

    in reply to: only Fulcrum or Rafale for India? #2290267
    TooCool_12f
    Participant

    it will, in their offer, France even proposed to share its SIGINT data with India so they can keep their SPECTRA suite up to date as well

    in reply to: Size of the new 5th gen fighters…too big !? #2290298
    TooCool_12f
    Participant

    er, be my guest… anytime 😀

    for the answer, reread my previous post… no way it does what you say… matter of physics… for example:

    – drag isn’t just about frontal section, especially supersonic drag

    – your turbofan will have pretty much zero thrust at such altitudes, as there’s little to no air to generate thrust from

    – your rocket boosters will be visible in IR and UV as soon as they come above the horizon (which means, basically, for a Mig-31 cruising @ 60000ft and which has its horizon some 500km ahead, as soon as they are ignited, even on the ground)

    so, you’ll have to glide (no thrust to speak of), against high drag (high speed), with very low inertia (low mass), with a shape that can maintain anything resembling lift only at very high speeds at such altitudes… no way it does what you imagine, sorry

Viewing 15 posts - 1,546 through 1,560 (of 3,094 total)