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- 12 July 2008
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The original S-300 missiles flew a ballistic arc for long range shots, but the ceiling was limited to 40km. The way 40N6 gets its massive range improvement without being a much larger weapon is it can fly a much higher ballistic arc, over 80km as I recall. However while doing so its control are locked, because using them would cause it to tumble out of control which was the reason for the original limit. The control surfaces just aren’t big enough to be effective in such thin air, they can only do harm. So for that mid course ballistic arc it’s locked on a set course for a time, which makes engaging a fast moving or evasive target questionable. It can start maneuvering again as it comes back down. How well this works against a fighter, who knows. Also this method of flight control suggest that 40N6 must waste energy in its climb, in ordered to adjust the radius of the arc it will take to the target before locking control surfaces. This could be accomplished with a spinny sort of maneuver as THAAD does for most firing tests to keep it inside the firing ranges.
Supposedly all S-300s have had directional warheads, with the missile rolling as it approaches the target to aim them. It’s also been suggested that the latest ones actually gumball the warhead; I’m skeptical anyone would ever bother with that since it would waist diameter that though I’ve seen concept sketches for the idea and its at least plausible. So lethal range could be rather high for the warhead weight, but also dependent on the success of the guidance system in more ways than jet raw distance to target.
Supposedly all S-300s have had directional warheads, with the missile rolling as it approaches the target to aim them. It’s also been suggested that the latest ones actually gumball the warhead; I’m skeptical anyone would ever bother with that since it would waist diameter that though I’ve seen concept sketches for the idea and its at least plausible. So lethal range could be rather high for the warhead weight, but also dependent on the success of the guidance system in more ways than jet raw distance to target.