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Originally posted by WestPoint23
In addition to FF systems and other BVR identification techniques a friend of mine told me US fighters with AESA radars can measure the compressor spin rate of distant fighters and determine from that if it's a foreign or hostile fighter. They do this by comparing the information they get with what's know about the compressor signature of US fighters. Anyone have more information on this? Or is it complete bull?
Originally posted by WestPoint23
Good question there "Desert Dawg", and my answer is I don't know. I didn't even think it was real but apparently it can be done.
Originally posted by Desert Dawg
Wouldn't the rpm - spin rate - levels change due to the engines are probably throttled back during cruise?
Or would they be looking at a wide open throttle situation as a means of identification during a potentially aggressive move by the distant fighter?
For aircraft N011M has a 350 km search range and a maximum 200 km tracking range, and 60 km in the rear hemisphere. A MiG-21 for instance can be detected at a distance of up to 135 km. Design maximum search range for an F-16 target was 140-160km. A Bars' earlier variant, fitted with a five-kilowatt transmitter, proved to be capable of detecting Su-27 fighters at a range of over 330 km. The radar can track 20 air targets and engage the 4 most threatening targets simultaneously (this capability was introduced in the Indian RC1 and RC2). These targets can include cruise/ballistic missiles and even motionless helicopters. For comparison, Phazotron-NIIR’s Zhuk-MS radar has a range of 150-180km against a fighter and over 300km against a warship. "We can count the number of blades in the engine of the aircraft in sight (by the NO11M) and by that determine its type," NIIP says.