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garryA

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Viewing 15 posts - 931 through 945 (of 948 total)
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  • in reply to: Canadian Fighter Replacement #2188170
    garryA
    Participant

    It would also be interesting to see just how stealthy it is against IRST and from the side.

    F-35 actually has infrared reduction measure too , IRST can also be jam by LRF , you can also reduce detection range of enemy’s IRST by fly at lower altitude or near cloud,while It true that no aircraft is stealthy from the side ( they all have massive beam aspect RCS ) , how can you stay at their side aspect all the time ?
    https://basicsaboutaerodynamicsandavionics.wordpress.com/2016/03/04/stealth-techniques-and-benefits/
    http://forum.keypublishing.com/showthread.php?134882-F-35-News-Multimedia-amp-Discussion-thread-(2015)-Take-two&p=2284317#post2284317

    The BVR argument for the F35 is a lot of wishful thinking. We don’t engage BVR and it will rely on the ability of those missiles to actually hit if we did.

    I think the WVR argument is wishful thinking too , a superior turn rate of 1-2 degrees per seconds doesnt really matter that much any more since the birth of HOBS missiles , and actually doubt that Rafale , Typhoon , Gripen really turn that much better than F-35

    in reply to: The PAK-FA News, Pics & Debate Thread XXV #2190431
    garryA
    Participant

    The jamming aircraft would still need to record, analyse, decrypt and then transmit a very precise out-of-phase pulse in the time it takes the transmitter to switch its pulse frequency or waveform. Doable against older generation radars perhaps, but against the newer PESAs and more specifically frequency agile AESAs…? I remain sceptical.

    Agree ,I gotta side with Falcondude on this one , the wave need to be completely overlap for active cancellation to work and it have to be very precisely out-of-phase ,i cant see how that would work again a moving radar that doesnot have a fixed frequency ,PRF or waveform
    and i cant see how it would work again 2 radar at the same time either

    in reply to: F-35 News and discussion (2016) take III #2191318
    garryA
    Participant

    It’s always thew same brochure like discussion: S-400 is just a part of a very complex multilayered, extremely mobile AD Systems. Several different SAM, lots of radars in different bands, fighters and so on.
    Same is with the air strike, there will not be just the F-35 but all assets of USAF or USN supporting it…and no, low RCS alone is actually a no go against update AD system, it would make things a lot easier but it would need same kind of supports of any other attack plane.

    even in that case i think it still much better to have small RCS
    https://basicsaboutaerodynamicsandavionics.files.wordpress.com/2016/03/jamming-burn-throgh.png?w=730
    https://basicsaboutaerodynamicsandavionics.wordpress.com/2016/03/04/stealth-techniques-and-benefits/

    in reply to: Russia moving tac air troops to Syria #2195987
    garryA
    Participant

    Su-35 have radar blockers as also Su-30SM,.

    Iam quite certain that neither have a radar blocker

    why you think radar blocker and S duct important for RCS.

    Because cavity and engine fan blade are huge source of reflection, all aircraft with aim to reduce reflection have one ways or another to hidden their engine from radar pov

    Su-34 has rcs of a cruise missile. and that is 2 decade old development.

    Iam not so sure how accurate is your source since they dont use exact quote, however if it is accurate then what he say was

    equivalent to that of a supersonic cruise missile.

    that is very vague and there are many kinds of supersonic cruise missile which one of them have equal radar cross section with Su-34? would it be the Moskit?, P-700?, KH-58? or Brahmos? and what would be the radar cross section of these missiles? , too vague, i find the graph a much better evidence in this case

    Again, this is an interesting conversation but i think it would be better to move it from here, maybe opening a new one about changes made on existing aircraft frames in order to decrease RCS.

    you are right, we probably should make a different thread for this

    in reply to: Russia moving tac air troops to Syria #2196333
    garryA
    Participant

    How it connect with what I wrote?
    I newer used the term transparent, so i just don’t know from where have you taken it out RAM applyed on those points with the most RCS

    I think everyone here agree that Su-35 has RAM while su-27 dont , however to me the discussion here show atleast one of you guy believe that radar cross section reduction is as simple as swap out all metal parts in airframes and replaces it with radar transparent material

    , radar blocker and small frame changes are just that was needed, not just for Su-35 but generally for all 4,5 planes that went re-designed for reduce their observability.
    For the rest also the F-15SE Silent Eagle only notable structural variation is the 15% inclination of rudders, nothing more, still none doubt about it or Rafale D or F/A-18E, all planes entered service before Su-35.

    Su-35 have neither the radar blocker or a S shape duct or a canted tail , these are particularly important features to reduce radar cross section , in terms of outer shape , i got to agree with mig-31 that Su-35 and su-27 is quite similar
    I dont think anyone actually take the F-15SE serious however the outer structure modification between F-15SE and F-15E still quite significant ( radar blocker , canted tail , internal weapon bays ) compare to the modification between Su-35 and Su-27

    in reply to: Russia moving tac air troops to Syria #2196462
    garryA
    Participant

    , different material used
    Above all they were reconstructed after the whole stealth thing popped out , so all of them paid an attention to this aspect that was absolutely inhexistent when their predecessors were made.

    I think that unless the airframe is hollows with nothing underneath , it not desirable to make the airframe from radar-transparent material , because radar will be reflected from internal structure , AFAIK , when they coat the F-16 canopy with reflective coating the overall RCS reduced by 15%

    in reply to: SAAB Gripen and Gripen NG thread #4 #2196472
    garryA
    Participant

    The deterreance value is already practically zero if it has to face mobile Brahmos-2/Zircon class missiles in saturated attack. larger industrial capacity mean practically round the clock attack.

    AFAIK , Brahmos-2 is still largely in development stages , arguably even earlier stages compares to LRASM , and while the speed seem impressive for an antiship missiles , it nothing special compares to ballistic missiles like Scud that Iraq used in Gulf war

    in reply to: Russia moving tac air troops to Syria #2196476
    garryA
    Participant

    AFAIK apart from electronic equipments and engines , Su-35 also have a strengthen landing gear and some reinforce internal structure for longer services life but their aerodynamics shape and shell material is the same as su-27

    in reply to: Russia moving tac air troops to Syria #2196696
    garryA
    Participant

    . If Russians fight, they won’t care about economy. .

    I have no word

    in reply to: Russia moving tac air troops to Syria #2196698
    garryA
    Participant

    Did you read my link about new datalinks in Su-35 with air to ground function. this practically says SAMs will be controlled from Air.
    Older MIG-29 is as effective as new one provided they can communicate with Su-35 and have missiles with newer seekers.
    Su-35 superior altitude, jamming, acceleration is force multiplier for the rest of the jets that no one else will need to use radar.
    SAA need huge artillery and Smerch support so that can fire bomb all 1000 km Turkish border all the way into Iraq. All Kurds are now practicall in revolt. Iran is sending unlimited organized Afghan militia. there is no shortage of manpower to infiltrate the border.

    I think most people have put you on ignore list , may be it time to be more mature in your post

    in reply to: Russia moving tac air troops to Syria #2196735
    garryA
    Participant

    Russia manufactures planes. Turkey does not. Russia can build thousands of planes in times of war. Turkey cannot build a single plane in times of war. Japan lost to the US in WW2 because its industrial capability was less than that of the US. In any case, Turkey cannot afford a war with Russia.

    Neither of them have the economy to sustain a long war , do you remember how much USA spending only to fight the guys in cave ?

    in reply to: Russia moving tac air troops to Syria #2196740
    garryA
    Participant

    Interesting interview:
    So, how do you explain to your people, to the Syrians, that maybe a foreign army that is having operations here, can cause civilian casualties?

    President Assad: No, no. We don’t have any evidence that the Russians attacked any civilian targets. They are very precise in their targets, they always everyday attack the bases or the targets of the terrorists. Actually, it’s the Americans who did this, who killed many civilians in the northeastern part of Syria, not the Russians. I mean, not a single incident happened regarding the civilians so far, because they don’t attack in the cities; they attack actually mainly in the rural areas.

    http://sana.sy/en/?p=70035

    Russian are backing up Assad while USA want to take his power so that interview is bit pointless in my opinion , s

    in reply to: Russia moving tac air troops to Syria #2196847
    garryA
    Participant

    I think all of you are arguing a moot point , both side will have AWACs and ground radar , neither F-16 or Su-35 is stealth , and we all know neither Russia and Turkey will want to escalate this in to a full scale war , so forget about silently attack and shoot down aircraft of the otherside , that will not happen

    in reply to: ECM pod can reduce RCS? #2196986
    garryA
    Participant

    What is “a Challenge”?

    Sorry , i mean Challenger
    https://en.wikipedia.org/wiki/Challenger_2

    in reply to: ECM pod can reduce RCS? #2197253
    garryA
    Participant

    The Russian UAV goes a step further by integrating a sophisticated electronic warfare suite onto the aircraft. According to Flight Global, “Mikheev says KRET is providing a deeply-integrated electronic warfare system that not only provides a protective electromagnetic sphere around the aircraft to counter air-to-air missiles, but also cloaks it from radars.” Thus, if true, Russia’s new UAV would be able to detect America’s stealth aircraft without itself being detected. That could be a deadly combination.

    http://nationalinterest.org/blog/the-buzz/how-china-russia-plan-crush-americas-stealth-aircraft-13708

    standard for journalists seem low these days, remind me of the time when a journalist said a Challenge can survive a nuclear bomb

Viewing 15 posts - 931 through 945 (of 948 total)