951–960 of 1001 posts
Site author here, I guess this is why the New York Times API keeps hitting rate limits.
Interesting project. WOndering if you could write a blog about building that site.
https://www.ft.com/content/171c92ec-0a44-4dc5-acab-81ee2620d...
Essentially, Bernoulli's Principle makes these large ships susceptible to jack-knifing in narrow canals.
Faster moving water creates a lower pressure zone. Water moves fastest near the stern of the boat. This is why the bow will tend to rise when a ship is moving quickly; the stern can bee seen as being sucked down almost.
In the Suez the 24m deep bed of the canal makes the water move very fast near the stern of the ship. This will also occur near the banks of the canal. With these very large ships, the effect is more pronounced, as there is less cross-sectional area for the water to move past.
If a ship gets near the banks, then you'll get the fast low pressure water acting on the bank-side of the stern and the bottom. Add your force vectors up, the ship torques, and does a 'wheelie' off the bank, jack-knifing the canal.
The big problem here is that these superships all are susceptible to this. It's a matter of hydrodynamics. The bigger the ship, the worse it gets. Meaning that economics comes crashing into physics, and we all know who will win that fight.
I don't think people are giving enough credit to how stuck the ship is. Look at some of the photos of the front of it. Look at how far out of the water it is sitting. The ship might look like that if it were totally empty, but not when it is full of containers like this. Some people saying: just drag it off of the sand. Okay! And what happens when that causes you to rip a hole into the hull of the ship? Now it's real…
People think I'm joking but we should bomb it to smithereens. The crater would probably just fill up with the water flow.
Earlier quoted context omitted.
A general average requires an imminent danger which the ship is clearly no in, since it's just stuck. You also can't argue that they have to dump it overboard because of the costs that the delays will cause, because such costs are explicitly excluded in the 2004 rules on general averages [1] [1] Rule C, paragraph 3 https://shippingandfreightresource.com/wp-content/uploads/20...
I could not find a reference to imminent danger in Rule C. Could you please quote the passage you're referring to?
The iminent danger i refered to is rule A:
>RULE A1.There is a general average act when, and only when, any extraordinary sacrifice or expenditure is intentionally and reasonably made or incurred for the common safety for the purpose of preserving from peril the property involved in a common maritime adventure.
While imminent danger is not used, the rule itself can only be applied when the jettisoning of cargo is essential to the common safety. This most often happens when the vessel is in imminent danger of sinking and needs to shed weight.
If the only way to get the ship unstuck from there were to jettison stuff out, and there were no way to otherwise free the ship (or safely unload the cargo) then maybe you'd be able to argue in favor of a general average, but given the circumstances that is not the case.
The ship isn't exactly stuck in antartica, so safely unloading, although expensive, is an option that would preclude jettisoning (and therefore the general average)
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Some goods are perishable. Modern logistics can have very tight deadlines.
Perishable goods go by plane though. Containers are often held up in ports for weeks due to customs checks. I’d expect the vast majority of sea-shipped goods to be non-time-critical and unharmed by waiting for a couple of weeks.
I don't think people are giving enough credit to how stuck the ship is. Look at some of the photos of the front of it. Look at how far out of the water it is sitting. The ship might look like that if it were totally empty, but not when it is full of containers like this. Some people saying: just drag it off of the sand. Okay! And what happens when that causes you to rip a hole into the hull of the ship? Now it's real…
>Some people have suggested unloading the ship. I don't think you realize the infrastructure required to unload a ship. You're basically asking to build a port in the middle of the egyptian desert. That isn't going to happen. I say build a trebuchet on deck and start launching containers into the desert.
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Push enough off, then pull them onto the ground. Truck them to the local market and get whatever you can.
They are locked in place in a frame system. They have to be lifted off.
When they’re unloaded, I don’t see a massive empty frame, so unframing is done at some level.
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Perhaps the classic beached whale clearing technique [0] would work. [0] https://youtu.be/V6CLumsir34
Thank you, it's also a time capsule preserving the "hw" pronunciation of whale. (Which seems to be slowly disappearing.)
That's in Seattle, where al of nobody does the "hw" thing.
So that was a surprise to find in their little takehome pages. I'm guessing those handouts were first xerox'd 40 years ago...
I don't think people are giving enough credit to how stuck the ship is. Look at some of the photos of the front of it. Look at how far out of the water it is sitting. The ship might look like that if it were totally empty, but not when it is full of containers like this. Some people saying: just drag it off of the sand. Okay! And what happens when that causes you to rip a hole into the hull of the ship? Now it's real…
Earlier quoted context omitted.
Ok, I know it sounds crazy. But what if they put a correctly sized explosive(s) deep enough below and along the spine to blow and then fill the area with water, reducing the rheological load? We're talking about 100 feet underneath the canal bed, and do it with a shaped charge that'll be more optimal for the task. Just thinking about fast <1 week methods.
If they can dig a tunnel along the boat a 100 feet deep, that would probably be enough to set it free. No need for a boatload of C4 then.