PLAN Anti-ship/surface missiles


Tam

Colonel
Registered Member
For Klub missile it's really not debatable. Novator's own product promotional pamphlet says 20 km. Image of it here:
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If radar is at 15 m above horizon, then at 21 km the missile might do one last radar check as it crosses the horizon IF it flies at 2 m above water surface and a kilometer later the terminal stage might get ejected. If the missile flies at different altitudes or the radar is at different heights, then the calculus changes, as we know.

All this is applicable only to the Klub variant. It is theoretically possible that the russian navy Kalibr and the chinese navy YJ18 do feature somewhat different numbers.

For one, I would speculate that the expected tactical situation of late 1980s and early 1990s, for which Klub was originally developed - is different from one YJ18 development is trying to fight in. So, an accent on greater range is possible, even if it meant compromises. For example, making the warhead smaller and with less punch. Of course, this is complete conjecture.


The rocket stage looks too huge for a mere 20km. It looks as big or bigger than a Buk missile.

In any case, based on the wiki here, the flight altitude of the missile at its terminal approach is only 4.6 meters.

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By the time it appears on the horizon, assuming the detectable portions of the target ship's mast is up to 30 meters in height, an LOS appears around 31km. The sprint will have to begin as soon as it successfully locks to the ship, so that 30km to 20km trip is crucial, which is about 40 seconds during subsonic.


Screenshot 2020-10-28 at 7.27.57 PM.png
 

by78

Brigadier
An improved variant of YJ-83 anti-ship missile featuring dual infrared and radar seekers.


 

Bltizo

Lieutenant General
Staff member
Super Moderator
Registered Member
An improved variant of YJ-83 anti-ship missile featuring dual infrared and radar seekers.



Looks like the ImIR seeker fit being done by the soldiers in uniform is one that might be done relatively easily as well.

Certainly an important and sensible upgrade; dual mode radar and ImIR guidance in this day and age is necessary against opfor with more capable EW while also better for targets operating in the littorals than only ARH guidance alone.
 

SamuraiBlue

Captain
The rocket stage looks too huge for a mere 20km. It looks as big or bigger than a Buk missile.

In any case, based on the wiki here, the flight altitude of the missile at its terminal approach is only 4.6 meters.

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By the time it appears on the horizon, assuming the detectable portions of the target ship's mast is up to 30 meters in height, an LOS appears around 31km. The sprint will have to begin as soon as it successfully locks to the ship, so that 30km to 20km trip is crucial, which is about 40 seconds during subsonic.


View attachment 64999
In WIKI you had posted it states that the flight altitude over water is set at 20M so the radar horizon would be much further away.
The 4.6 M flight altitude you post is only for terminal stage not the entire flight path.
 

Tam

Colonel
Registered Member
In WIKI you had posted it states that the flight altitude over water is set at 20M so the radar horizon would be much further away.
The 4.6 M flight altitude you post is only for terminal stage not the entire flight path.

I already said the 4.6 meter flight altitude is for the terminal stage.

If the flight altitude is 20 meters above water, radar seeker to target acquisition range is around 42 km for a target around 35 meters high.
 

dankris

Junior Member
Registered Member
Looks like the ImIR seeker fit being done by the soldiers in uniform is one that might be done relatively easily as well.

Certainly an important and sensible upgrade; dual mode radar and ImIR guidance in this day and age is necessary against opfor with more capable EW while also better for targets operating in the littorals than only ARH guidance alone.

Dual guidance (radar and IR) AShM? Isn't that basically what the Taiwanese are doing with their HF-2? It's interesting that both parties across the Taiwan strait came to the same conclusion about their AShM guidance.
 

Tam

Colonel
Registered Member
Dual guidance (radar and IR) AShM? Isn't that basically what the Taiwanese are doing with their HF-2? It's interesting that both parties across the Taiwan strait came to the same conclusion about their AShM guidance.

IR is still beatable by dropping flares and heated smoke from your decoy launcher. Ships also reduce their IR signature by having a circulation system around the funnel, which is something almost all PLAN ships do, or rerouting the exhaust to the water line such the 022 FAC and the C28 export corvette for Algeria.
 

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