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#1
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´How Do They Do ItĄ TV show question
In a recent show they painted a gigantic tanker ship.
The lowered it onto blocks and then cleaned and painted the hull. I have seen this done before on other TV shows and have always wondered: how do they clean and paint under the blocks, or do they just not do it? They never mention moving the ship and repositioning the blocks, which may not be feasible because the blocks must be in certain positions determined when the ship was designed and built. Does anybody know?? |
#2
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´How Do They Do ItĄ TV show question
Kuskokwim wrote:
In a recent show they painted a gigantic tanker ship. The lowered it onto blocks and then cleaned and painted the hull. I have seen this done before on other TV shows and have always wondered: how do they clean and paint under the blocks, or do they just not do it? They never mention moving the ship and repositioning the blocks, which may not be feasible because the blocks must be in certain positions determined when the ship was designed and built. Does anybody know?? They probably painted those spots while lifting it afterwards. |
#3
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´How Do They Do ItĄ TV show question
On 1/15/2012 6:58 PM, Bob F wrote:
Kuskokwim wrote: In a recent show they painted a gigantic tanker ship. The lowered it onto blocks and then cleaned and painted the hull. I have seen this done before on other TV shows and have always wondered: how do they clean and paint under the blocks, or do they just not do it? They never mention moving the ship and repositioning the blocks, which may not be feasible because the blocks must be in certain positions determined when the ship was designed and built. Does anybody know?? They probably painted those spots while lifting it afterwards. You don't lift ships. You put them in dry docks, where water is pumped out to lower the ship onto the blocks. Guess you'd have to do it twice, repositioning the ship. |
#4
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´How Do They Do ItĄ TV show question
On Sun, 15 Jan 2012 19:07:50 -0500, Frank
wrote: You don't lift ships. You put them in dry docks, where water is pumped out to lower the ship onto the blocks. Guess you'd have to do it twice, repositioning the ship. Cruse ships dry dock every so often It may take many months to finish the maintenance task if painting and repair of the hull. Pesky barnacles and all. |
#5
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´How Do They Do ItĄ TV show question
the show invites inquires, its a good question.
perhaps the lift boxes are moved slightly at each drydock, so what doesnt get painted at one drydock , gets done and a different time |
#6
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´How Do They Do ItĄ TV show question
On Sun, 15 Jan 2012 15:58:38 -0800, "Bob F"
wrote: Kuskokwim wrote: In a recent show they painted a gigantic tanker ship. The lowered it onto blocks and then cleaned and painted the hull. I have seen this done before on other TV shows and have always wondered: how do they clean and paint under the blocks, or do they just not do it? They never mention moving the ship and repositioning the blocks, which may not be feasible because the blocks must be in certain positions determined when the ship was designed and built. Does anybody know?? They probably painted those spots while lifting it afterwards. Maybe, but how do you lift a 900 foot tanker or 1100 foot carrier? The blocks are positioned in the dry dock ahead of time. Water fills it, the ship is placed in it with tugs, doors close and water is pumped out. Cleaning the small areas can be done by divers, but painting is another issue. |
#7
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´How Do They Do ItĄ TV show question
On 1/15/2012 10:00 PM, Ed Pawlowski wrote:
On Sun, 15 Jan 2012 15:58:38 -0800, "Bob wrote: Kuskokwim wrote: In a recent show they painted a gigantic tanker ship. The lowered it onto blocks and then cleaned and painted the hull. I have seen this done before on other TV shows and have always wondered: how do they clean and paint under the blocks, or do they just not do it? They never mention moving the ship and repositioning the blocks, which may not be feasible because the blocks must be in certain positions determined when the ship was designed and built. Does anybody know?? They probably painted those spots while lifting it afterwards. Maybe, but how do you lift a 900 foot tanker or 1100 foot carrier? The blocks are positioned in the dry dock ahead of time. Water fills it, the ship is placed in it with tugs, doors close and water is pumped out. Cleaning the small areas can be done by divers, but painting is another issue. Don't have to lift it far- just enough to jam in another set of blocks a few feet away, and then pull out the first set. In AHR terms, like wedging a centerline beam to level a floor or replace a rotted lally column. And like a house, a ship can flex some, otherwise mother nature would shred it in short order in heavy seas. And if you have blocks at every frame point, you could probably go down the line pulling one at a time with little risk. Leastways, that is how it was explained to me once. -- aem sends... |
#8
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´How Do They Do ItĄ TV show question
On Mon, 16 Jan 2012 00:57:29 -0500, aemeijers
wrote: They never mention moving the ship and repositioning the blocks, which may not be feasible because the blocks must be in certain positions determined when the ship was designed and built. Does anybody know?? They probably painted those spots while lifting it afterwards. Maybe, but how do you lift a 900 foot tanker or 1100 foot carrier? The blocks are positioned in the dry dock ahead of time. Water fills it, the ship is placed in it with tugs, doors close and water is pumped out. Cleaning the small areas can be done by divers, but painting is another issue. Don't have to lift it far- just enough to jam in another set of blocks a few feet away, and then pull out the first set. In AHR terms, like wedging a centerline beam to level a floor or replace a rotted lally column. And like a house, a ship can flex some, otherwise mother nature would shred it in short order in heavy seas. And if you have blocks at every frame point, you could probably go down the line pulling one at a time with little risk. Leastways, that is how it was explained to me once. My brother was an engineer and was a project leader for ship overhauls for the Navy in San Diego. They did not lift ships. Each ship had a layout for the support blocks and they were placed within a tolerance of inches in the drydock. It may be possible to add and replace as you state, but there is nothing to lift a large ship. I can't ask him about it though, he passed on a few years ago. He could have given us details. |
#9
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´How Do They Do ItĄ TV show question
On Sun, 15 Jan 2012 18:14:01 -0800, Oren wrote:
On Sun, 15 Jan 2012 19:07:50 -0500, Frank wrote: You don't lift ships. You put them in dry docks, where water is pumped out to lower the ship onto the blocks. Guess you'd have to do it twice, repositioning the ship. Cruse ships dry dock every so often It may take many months to finish the maintenance task if painting and repair of the hull. Pesky barnacles and all. It's going to take a few weeks for the paint and repair of the Costa Concordia hull, too. Pesky rocks and all. |
#10
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´How Do They Do ItĄ TV show question
On Mon, 16 Jan 2012 11:29:02 -0500, "
wrote: It's going to take a few weeks for the paint and repair of the Costa Concordia hull, too. Pesky rocks and all. First, they have to get this monster into dry dock :-\ (MV Blue Marlin carrying USS Cole) http://upload.wikimedia.org/wikipedia/commons/3/32/MV_Blue_Marlin_carrying_USS_Cole.jpg |
#11
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´How Do They Do ItĄ TV show question
Oren wrote:
On Mon, 16 Jan 2012 11:29:02 -0500, " wrote: It's going to take a few weeks for the paint and repair of the Costa Concordia hull, too. Pesky rocks and all. First, they have to get this monster into dry dock :-\ Dunno. Looks like the gash that sank the ship is mostly above water. Welding on some steel plates then pumping like mad should get it upright. I think they're going to presently start pumping OUT 500,000 gallons of diesel fuel. |
#12
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´How Do They Do ItĄ TV show question
On Mon, 16 Jan 2012 17:18:33 -0600, "HeyBub"
wrote: Oren wrote: On Mon, 16 Jan 2012 11:29:02 -0500, " wrote: It's going to take a few weeks for the paint and repair of the Costa Concordia hull, too. Pesky rocks and all. First, they have to get this monster into dry dock :-\ Dunno. Looks like the gash that sank the ship is mostly above water. Welding on some steel plates then pumping like mad should get it upright. Tug boat captains should be in high demand. It will take a fleet to get this ship upright. I think they're going to presently start pumping OUT 500,000 gallons of diesel fuel. Account for the missing passengers first and foremost. They call it tonnage of fuel or such. Not sure of the numbers or what that means.. These ships are built in compartmental segments. I was thinking they may separate the ship and hall her home. |
#13
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´How Do They Do ItĄ TV show question
I'm just guessing. But, since they measure the weight of a ship in "tons
displacement", they would make sense to measure fuel in tons. In any case, it's a major recovery operation. Bigger than I want to take on. Christopher A. Young Learn more about Jesus www.lds.org .. "Oren" wrote in message ... Tug boat captains should be in high demand. It will take a fleet to get this ship upright. I think they're going to presently start pumping OUT 500,000 gallons of diesel fuel. Account for the missing passengers first and foremost. They call it tonnage of fuel or such. Not sure of the numbers or what that means.. These ships are built in compartmental segments. I was thinking they may separate the ship and hall her home. |
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