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Old 22-11-2013, 06:29   #16
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Re: For those more Experienced (Unsinkable?)

I know a few salvage guys... They say you can't put a lift bag inside the boat, as the deck can't support the lifting force.

You'd need a boulder bag tied off to a keel bolt or some such, to go about it from the inside out.
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Old 22-11-2013, 06:43   #17
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I know a few salvage guys... They say you can't put a lift bag inside the boat, as the deck can't support the lifting force.

You'd need a boulder bag tied off to a keel bolt or some such, to go about it from the inside out.
About 8-9 yrs ago didn't Mythbusters refloat a boat using ping pong balls?
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Old 22-11-2013, 06:46   #18
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pirate Re: For those more Experienced (Unsinkable?)

You'd be better off filling the under the waterlines/danger areas with foam before you sail... that way any collision will result in limited damage as the foam absorbs the energy and it will restrict the inflow of water to a manageable level for the bilge pumps to cope without being overwhelmed....
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Old 22-11-2013, 06:50   #19
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Re: For those more Experienced (Unsinkable?)

titanic comes to mind......
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Old 22-11-2013, 07:00   #20
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pirate Re: For those more Experienced (Unsinkable?)

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titanic comes to mind......
That was the architects fault... he forgot to draw ceilings for the watertight compartments so there was a very effective spill over effect..
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Old 22-11-2013, 08:48   #21
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Re: For those more Experienced (Unsinkable?)

yeah that was a major screw up.... and the bad fortune of touting it as an unsinkable boat... like there might be such thing...
submarines dont count. those are just weird
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Old 22-11-2013, 12:17   #22
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Re: For those more Experienced (Unsinkable?)

It's been said many times, there are plenty of genuinely unsinkable boats. Not so many ships though.
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Old 22-11-2013, 13:07   #23
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Re: For those more Experienced (Unsinkable?)

Boats that don't sink, even if you cut them in half: Boston Whaler | Why Whaler
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Old 22-11-2013, 20:12   #24
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Re: For those more experienced (unsinkable?)

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Which will be mostly filled with sea water sloshing about, and the roll will be hideous......

Ever actually BEEN in a life raft?

Ever actually BEEN in a boat submerged up to the deck head in a seaway?
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Old 22-11-2013, 20:21   #25
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Re: For those more Experienced (Unsinkable?)

Most people who don't look into it don't realize that the longer a boat is, the faster it will go because hull speed is dependent and relative to length over waterline. It makes no sense! Buy a sailboat can have a relatively small hole or leak, and sink in minutes. Where will the all feared leak impact the boat? That is the question, hence compartments are built to keep out that leak that can sink your Titanic in 12 minutes.... It all defies understanding to most people. The solution, in my humble opinion would be constructing a boat out of an unsinkable material, like cork or something....... just an idea....
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