Whats the deal with the SU47?, page 4
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reply posted on 20-11-2004 @ 11:55 PM by engineer
Dima, Waynos stated correctly. BVR and off-boresight targeting are very different capabilities.

Off boresight targeting is not particularly important in BVR engagements, because the missile using inertial guidance and is getting it's targeting data from the AC via datalink in the first phase of flight. When the target comes within the missile's radar range, it transitions to internal guidance from it's own radar. The current US BVR missile is the AIM120C AMRAAM. The Russian equivalent is the AA-12 Adder.

Off-boresight capabilities become important in close range encounters. This is when you want to be able to launch even when you are not pointed at the target. These missiles are IR guided, with gimballed seekers, and are aimed via a helmet mounted cuing system. the current US version is the AIM-9X, and the Russian equivalent is the AA-11 Archer. These are short range systems, WVR.

A couple other points should be made. First wrt stealth, the SR-71 was not a particularly stealthy AC. What is was was a fast and high flyer. The Russians saw them on the flyovers, they just couldn't do anything about them. By the time an intercept could be scrambled, or a SAM could be launched, the Blackbird was out of range. As the USSR improved her SAM's the US decided that the flyovers were getting too risky, so we stopped.

But I know for a fact that ARTCC radars routinely picked them up in the US. But they were not squawking, so no data was available to the controllers. But when you have a 5-minute vector that goes clear across your radar, you know it's not a passenger plane. Ask any veteran Air Traffic Controller if he's ever seen an SR-71 on his screen.

Dima, another correction-the Cope India excersizes were with F-15C's not E's. They operated without AWACS support and with reduced radar range. They were outnumbered and yes, the AIM120's were restricted to 1/3 range. I posted some detail about this on the Cope India thread. But if you think the excersizes were in any way representative of what would happen in a real engagement, you don't understand DACT.

It does not serve any purpose to compare an F-22 against an SU-47, or any other Russian platform that will not be built. Keep in mind that F-22's will not operate independently, they will have AWACS support and datalinks, so they are not dependent on onboard systems for targeting. AIM120C's have a datalink also, so they can get targeting data from any compatible AC, including the AWACS. One single AC in the squadron can fly out ahead and greatly expand the range of the AWACS operating in the rear. All AC in the squadron will share the same data. So Raptor pilots need not have their radars active to target opposing forces at BVR ranges.

As far as capabilities, in IOT&E testing, a single Raptor took out 5 F-15E's equippedwith AESA radars. The F-22 just went down the line and picked them off one at a time. The F-15's never saw the Raptor. Any Flanker pilot that decides to play with a Raptor will meet the same fate.


reply posted on 23-11-2004 @ 05:11 AM by engineer
Originally posted by Dima
engineer, u do know that there are threedifferent frequencies that rdar can operate, i'm not really competely sure because i haven't studied this myself, but i saw someone on these forums talking about it, well, there's a high frequency and a low frequecy and a medium frequency too

u can set the radars to different frequency's, now, if u put it at the large frequency, its the most innacuarate, but i think it has ht longest range, then medium, many scientists say that if u switch the rdar to medium, u'll have a lower range, but will be better able to react to stealthy aircraft, and the low frequency(or band, it might be called band)u can see stelth aircraft relatively esayily, but the range is even shorter

also, i think that all these tests and the claims made by Lockheed about its incredibly stealth features is BS, they say all this junk jus to get more money for the project, but i am sure that the F-22 is telathy, but not as stealthy as everyone says, invisible my ass lol, sry couldn't help myself

no, just no, the radar on the F-15 isn't the best, that american bravado again, lol, i have heard multiple times that russian aircraft radar is the bet, by many agencies and tings like that, oh wait, i jus remembered, the radar thats on the MiG 1.42, can engage 20 targets suimultaneously and can track i think it was 36,i don't know, i'll try to find the site

tootles
Dima, I think it's great that you are so enthusiastic about Russian technology. Really, I do. I have a lot of respect for it myself. Forget that you are completely clueless about current aerospace tech, I don't hold that against you. The best Russian Radar today is the one I mentioned.

But in case no one bothered to tell you, the cold war is over. Rather than live in the past, you may want to consider the present. Russia and the USA are not adversaries, we are allies.

I come from a small town in Alaska. It may be something like your town in Moldova, I don't know. I know my town is very beautiful, I'm sure your town is also.

You may make some friends here, I don't know. But if you go on as you are, with idiotic and contentious posts, I wonder what the value will be. If I was you, I would take advantage of your opportunity to learn something. You might surprise yourself.

[edit on 23-11-2004 by engineer]
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