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Originally Posted by SRB
About OLS:
"Viktor Shargorodsky, NII PP general designer: “Stealth technology today is mostly decreasing it’s visibility in radio bands. But for the optical bands, especially in IR ranges the main parameter is temperature. And you can do nothing about it. Engines have great flow of hot air which can be detected perfectly from the big range if we are behind the plane. If we are going face to face, so first of all we still see some part of this flow and second we can see the front edges of wings which meet air flow and become warm too.”
Aviapedia » New MiG-35 OLS video |
And this is basically BS - while basically true, he neglects to mention that when all you can see is the edges, your range is cut down 5-8 fold from a rear aspect with afterburner. On a good day.
And that's /without/ the active IR supression system of the F-22 ... so you see, /yes/ you /can/ do something about the temperature and it /has/ been done. The F-22 was designed with the fact that Su-27's and MiG-29's have always had IRSTs
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OLS is much different then old IRST systems use on (F-14, Su-27(30) and Mig-29) OLS is put only on Mig-35. OLS is 360 degree fast scan with gross cpu power.
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... The OLS might be 'different' to you, but its means of target detection is essentially the same.
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My point is that AIM-120 is easily detected by this system. As I remember biggest advantage of AIM-120 is stealth it is passive missile. So now Russians build OLS which can spot AIM-120 in 360 degree range. Russians just said that OLS is capable to detect rocket head heat on distance of 5km so if AIM engine is burn out OLS is still capable to see missile. But if we count heat from AIM engine which isnt mixed with cooler air (B-2, F-22 system) then OLS know path of AIM from lunch to engine burn out.
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The USAF has already been looking at systems like this - there's plenty of false positives last I heard about it, though these missile detectors are being mounted on large aircraft ... mostly to detect *launch flashes*. In other words, you're exaggerating the capabilities of the OLS.
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Hm AIM-120 is good missile but overrated on last F-22 war games. Can anyone post what were AIM-120 rules in that games. From what I read it look like that any F-22 AIM-120 launch was kill it is big BS. 100% success please guys 
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What do you mean overrated? Maybe the F-22 + AIM-120 combination -is- that lethal. And if its ends up being 'only 90%', so what?