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Cake day: June 9th, 2023

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  • Yeah those tests are why I put them at the falcon 1 test flight stage generously. It was 10 years from the last flight of falcon 1 to the first flight of falcon 9 block 5, which is where reusability really started to kick in.

    Sure there is a follower advantage, but I don’t know if they can make full use of it since they won’t be able to head hunt talent as much as a US company. Itar might also make it more difficult to use the same suppliers and methodology for a more direct copy.

    I’m sure they’ll come up with something pretty cheap eventually, but I think it’ll still take a while for economic rapid reuse.




  • Lasers seen like a really bad match up. Interceptor missiles like are already in service would be much better.

    Lasers kill things by heating them up. Like melting the rotors off a quad copter. Existing lasers that are a handful of megawatts still need to focus on a quad copter for a second or so to ensure a kill.

    Hypersonics on the other hand have a lot less time to heat up because of their speed, and are much much less susceptible to heating. They already need to survive the heat of compressing the air to plasma. So they have substantial heat shields. A laser with current amounts of power isn’t going to add significantly to the heat flux that the hypersonic needs to withstand. Maybe if you target it from above it’ll be a little less protected? But trying to kill something specifically designed to deal with heat with heat is always going to be an uphill battle.








  • What system are you thinking? I’m sure the US can emulate it. Obviously systems can detect stealth aircraft if they’re right on top of them, it just makes the targeting effective radius small enough to be nearly useless. Detecting doesn’t mean much if it’s just a notification that there’s a stealth aircraft somewhere within 100mi.

    The sources you gave earlier about detecting stealth are low frequency radars. And they said they’re good for detecting stealth fighters. Stealth bombers are more tuned for low frequency. (hence their goofy shape) Plus low frequency is very very difficult to get a direction to the target because of it’s scattering, it moreso just tells you there’s something there.

    Kinzhal (the missile the articles are talking about) is the ballistic missile I was taking about, it’s not a hypersonic maneuvering missile.








  • It’s f117, but with good planning they penetrated into bagdad, the most heavily defended city at that point, undetected.

    https://youtu.be/zxRgfBXn6Mg

    Though it wasn’t quite as heavily defended in 2003, b2s and f117s did quite well against bagdad in enduring freedom.

    https://youtu.be/Atm8D5uqr-k

    2011 in Libya b2 was also used. Libya had hundreds of sam launchers, so I assume that was contested, though I can’t find as good of a breakdown as the other two.

    Kosovo also had about a hundred sam missiles. Again I couldn’t find as good of a breakdown on where exactly the b2s flew relative to them.

    So those are some times b2 has come into contact with air defense. Do you have any sources that they haven’t come into contact with air defense assets?

    Hypersonics (at least the maneuverable boost glide versions China has) need to get into the upper atmosphere before coming back down gaining momentum. That means they effectively have a minimum range to get up to speed. That minimum range is already larger than any heavily contested air defense zone, making stealth on the carrier aircraft redundant.