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Those big ropes
- Thread starter Minerva
- Start date
lobadobadingdong
Lifer
They hold on during huricane force winds, I'd guess the ship would just rub against the dock.
neutralizer
Lifer
But what if I strapped like lots of jet engines or maybe Saturn V engines to it? 😉
illusion88
Lifer
If the ropes were very long then the ship could probably break them. B esides, it wouldn't take much for a pirate to cut them with his sword.
ARGHH maties! NONE OF YE WATERS ARE SAFE FROM THE LIKES OF US!!!!
ARGHH maties! NONE OF YE WATERS ARE SAFE FROM THE LIKES OF US!!!!
BadNewsBears
Diamond Member
Who cracks more necks, ninjas or pirates?
illusion88
Lifer
Pirates DUH!!
Although, ill admit, that if 5 nijas had the drop of 5 pirates, they would win. But in a fair fight, pirates would beat ninjas, because pirates know how to fight dirty.
FoBoT
No Lifer
they can break and when they do , people get cut in half
there is video somewhere of lines breaking, both nylon and hemp , they have different characteristics when they break, but both can be deadly
this is what they taught us in the navy, to be line handlers
as the throttleman on the submarine, we had to be sure to not spin the prop more than 10 tpm when warming up or maintaining the propulsion turbines before departure. a couple times when i did it , i put way on the ship, meaning i exceeded the 10 rpm limit and made the ship rock against the lines
our boat had One S8G nuclear reactor two geared steam turbines, one shaft, output of 60,000 hp , that is enough to snap mooring lines
this has some analysis
http://www.tensiontech.com/papers/papers/optimoor/optimoor.html
towing situations with tugs was more dangerous than while completely tied up to the pier though
there is video somewhere of lines breaking, both nylon and hemp , they have different characteristics when they break, but both can be deadly
this is what they taught us in the navy, to be line handlers
http://www.globalsecurity.org/military/library/policy/army/fm/55-501/chap19.htm
as the throttleman on the submarine, we had to be sure to not spin the prop more than 10 tpm when warming up or maintaining the propulsion turbines before departure. a couple times when i did it , i put way on the ship, meaning i exceeded the 10 rpm limit and made the ship rock against the lines
our boat had One S8G nuclear reactor two geared steam turbines, one shaft, output of 60,000 hp , that is enough to snap mooring lines
this has some analysis
http://www.tensiontech.com/papers/papers/optimoor/optimoor.html
towing situations with tugs was more dangerous than while completely tied up to the pier though
AmphibSailor
Golden Member
I believe the proper names are Bow line, breast lines, springlines and stern line.
AmphibSailor
Golden Member
Guess you were a nuke on a Trident...
I was on the Casimir Pulaski when this happened to us. IIRC. one of the guys on the tug was killed when one of the cleats gave way. The line snapped and hit him in the head. 🙁
I've seen small stuff (1/4" line) pull steel attachments from the deck, so 5" or 8" line would really rip stuff up. The bits on deck or the cleats on the pier would give way most likely. And I'd be damn sure to make sure none of my line handlers were near that sh!t when it happened.
sharkeeper
Lifer
LOL at this thread!
You know I've asked similar questions and get different answers. It really depends on a lot of things. Personally, I would want to stay as far away from the cleats and mooring decks as possible if something like this happened.
Most synthetic mooring line will stretch considerably. It's also pretty damn strong. In the case with a large ocean liner, you would probably flood the hell out of the dock from all the displacement.
I've thought about something I know would work. :evil:
Connecting a mooring line to a large SUV like an H2 and having it parked all the way on the other side of the cruise terminal. When the ship leaves, the line slack would obviously be taken up and this SUV would be dragged through rows of parked cars, fences, etc.
Hell even make an episode similar to Fear Factor where you give someone the keys and tell 'em if they can drive it away, they can have it! That would be a hell of a burnout! :laugh:
Cheers!
You know I've asked similar questions and get different answers. It really depends on a lot of things. Personally, I would want to stay as far away from the cleats and mooring decks as possible if something like this happened.
Most synthetic mooring line will stretch considerably. It's also pretty damn strong. In the case with a large ocean liner, you would probably flood the hell out of the dock from all the displacement.
I've thought about something I know would work. :evil:
Connecting a mooring line to a large SUV like an H2 and having it parked all the way on the other side of the cruise terminal. When the ship leaves, the line slack would obviously be taken up and this SUV would be dragged through rows of parked cars, fences, etc.
Hell even make an episode similar to Fear Factor where you give someone the keys and tell 'em if they can drive it away, they can have it! That would be a hell of a burnout! :laugh:
Cheers!
shortylickens
No Lifer
Since some other sailors have already responded I wont go over it all again.
Hawser is a term applied to any line over a certain circumferance, not its purpose. I forget what the number is but its big. The only hawser we had on a cruiser was the towing hawser. Interestingly enough, its not the line or the chain that tows the other ship, its all the weight in the bowing of the chain that pulls it.
That bowing is called "caternary".
When I left the ship (USN) we had just gotten a bunch of Polyprophylene lines in. They wanted us to use them as regular mooring lines.
Dont know if that ever caught on or not.
Hawser is a term applied to any line over a certain circumferance, not its purpose. I forget what the number is but its big. The only hawser we had on a cruiser was the towing hawser. Interestingly enough, its not the line or the chain that tows the other ship, its all the weight in the bowing of the chain that pulls it.
That bowing is called "caternary".
When I left the ship (USN) we had just gotten a bunch of Polyprophylene lines in. They wanted us to use them as regular mooring lines.
Dont know if that ever caught on or not.
That's what happens. (bollards pull out) Just a river current but moving water even only a few m/s is very powerful. Against basically a wall the size of 2 football fields+ is a lot of pull. Bollards are strong but the concrete around them is often weakened with pull and cannot hold against REAL force like that. World's largest slingshot?
Now sitting tight in a berth there is not much water to play with so even with 40 megawatts (two prop motors) it's just going to be like Niagara falls under the stern. Probably send lots of water over the pier! Think 40MW sump pump with no head pressure! -M
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