Shrugging Atlas: "China claims it has found a way to create a supersonic underwater vessel that could travel from China to San Francisco in less than two hours"No word yet on how to get to Montana
Cthulhu_is_my_homeboy: A sonic boom in air is loud enough. God only knows how much noise you'd make exceeding Mach 1 underwater, but you'd alert every sensor in the Pacific doing it.Not much of a surprise weapon. Then again, if it's that fast, there'd be no real way to stop it, either.
qorkfiend: Cthulhu_is_my_homeboy: A sonic boom in air is loud enough. God only knows how much noise you'd make exceeding Mach 1 underwater, but you'd alert every sensor in the Pacific doing it.Not much of a surprise weapon. Then again, if it's that fast, there'd be no real way to stop it, either.Isn't the nature of a sonic boom such that the object creating the wavefront is in front of it (because it's traveling faster than the waves propagate)? By the time you hear the sonic boom, whatever created it has already passed.
jfarkinB: A fish is pretty much neutrally buoyant, which means that it's approximately the same density as the water it's swimming in.
sithon: cool, but damaging to wildlife I bet.
ArkPanda: At 3000 mph it would have absolutely no way of knowing where it is or what's in front of it. Drop a few old fashioned contact mines or just a chunk of concrete and it would be toast.
limboslam: "Cool" tag? So Subby thinks it's cool if China has the capability to park a sub in SF Bay with barely any warning?
MugzyBrown: limboslam: "Cool" tag? So Subby thinks it's cool if China has the capability to park a sub in SF Bay with barely any warning?Soo scary! BOOO!!!
LostInTranslation: It has to blow some kind of vapor out the nose.....? Where they gonna get all that vapor?
theorellior: In aggregate, sure. Their bones, not so much. That's why fish have swim bladders and whales have lungs. Hit a blue whale at Mach 1 and there may be negative consequences.
tricycleracer: They say they would be able to create a full-size supercavitating submarine capable of reaching the speed of sound underwater-about 3603 mph (5,800km/h).[cdn01.cdnwp.celebuzz.com image 245x285]
akula: Man... while it would be nearly unstoppable if it worked perfectly (it would be about impossible to get anything in place to stop it in time), one little fark up anywhere along the way and it all comes apart... literally.That little bubble generator gets out of sync and the thing starts to yaw at speed and the turbulence will tear it apart. You get your navigation off by just a little bit and you hit something on the way, end up hundreds of miles off course, or don't stop in time and plow right into the beach.Heck, it would be so noisy we'd be able to tell it was coming a ways off... a small ballistic missile with a nuclear depth charge and it never arrives anyway.
give me doughnuts: This is coming from a country that hasn't even managed to build an aircraft carrier.I'm not going to start learning Mandarin to appease out new overlords yet.
cirby: qorkfiend:I don't think "hasn't managed to build an aircraft carrier" is due to a lack of technical capability. They just don't want (or need) one....other than the "training" carrier that's currently in service (the Liaoning, the former Russian carrier they rebuilt), and the two smaller ones that are under construction right now?Not to mention the two or three larger carriers they've been talking about building (supposedly in service by 2020 or so)?
Click Click D'oh: What is the turn radius of a submarine traveling at 3600mph? The entire Pacific Rim?
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