this post was submitted on 21 Aug 2024
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10x smaller doesn't mean 10x cheaper when things you're cutting corners on are warhead and rocket engine that is cheapest components per gram that also make the entire thing work. just to begin, 3M price per pop is the price that saudis paid for 650 SLAM-ER AShMs, along with training and limited tech support, and foreign sales are always fleecing customers like this. for domestic customer, price is half million apiece
citation needed
Harpoon AShM warhead is something like 200kg, and for a very good reason. sinking ships is much harder than destroying land vehicles, and they want to sink something with 20kg warhead? that's a bit spicier than heavy ATGMs like Stugna-P. if that thing is enough to one-hit a ship then so is 127mm naval artillery shell (what they're going to war against, jetskis?). for comparison, it took something like 5 drone boat hits (200kg warhead each) to sink sergey kotov, 1400-ish ton patrol boat in black sea fleet. they want to sink similar sized targets with 20kg warhead missiles, i doubt crew would even notice in some cases
that immediately means they have to compete with a naval gun at ranges less than 40km, and they will lose. also such small ship probably isn't that much of a threat at distance
with anything big enough to get notice of airforce there's quicksink, that is JDAM kit modified to dive under ship in question and break its keel. with one-ton warhead it costs something like 120k, and it's already tested and will be ready much faster than whatever they're cooking. they're simply noticed that chinese navy is stocking up anti-ship missiles and want to get on the hype train. or maybe they're copying ukrainians? neptune has 150kg warhead and various drone boats carry even bigger load (200-850kg and maybe more than that)
China does have a great number of civilian ships that are basically fishing boats ready to turn into supply craft and 1shot landing vessels.
But the use case for a missile like this is basically filled completely by the gun that they still slap on every warship, or a WW2 style strafing run by anything on a carrier
i think that SDB is also an option, maybe it'll need a new sensor or something, but it has enough of warhead, it exists, and it's cheaper
SDB-II can do moving targets I think.
That simplifies things a bit