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#274815 - 04/10/15 03:25 PM Surviving a Tsunami
ireckon Offline
Pooh-Bah

Registered: 04/01/10
Posts: 1629
Loc: Northern California
This guy is equipped to survive a Tsunami!
Are you properly equipped?

https://youtu.be/xYiOO0qEve0
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#274816 - 04/10/15 03:33 PM Re: Surviving a Tsunami [Re: ireckon]
Tjin Online   content
Pooh-Bah

Registered: 04/08/02
Posts: 1749
There is a person in my country who bought a lifeboat (the large ones from oil rigs) and put it in the yard, just in case.

I just bought an appartment and life on the 3rd and 4th floor...
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#274817 - 04/10/15 05:05 PM Re: Surviving a Tsunami [Re: ireckon]
Eugene Offline
Carpal Tunnel

Registered: 12/26/02
Posts: 2823
I went to school in Rowlesburg WV and after the flood http://www.wvencyclopedia.org/articles/2197 when we would go through town about half of the houses still there had those little aluminum fishing boats in the back yard, it was funny to see all those bright silver boats lined up.

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#274820 - 04/10/15 07:30 PM Re: Surviving a Tsunami [Re: ireckon]
AKSAR Offline
Old Hand

Registered: 08/31/11
Posts: 1126
Loc: Alaska
By far the best way to survive a tsunami is to get to high ground before it hits.

If you take a look at the "before" and "after" photos of the recent tsunamis in SE Asia and Japan, you soon realize that the only buildings likely to survive a big tsunami are really large, stoutly built and heavily reinforced steel and concrete structures. Any wood frame building, and even brick and masonry buildings are likely to be destroyed by a tsunami.

Likewise for boats, only larger very sturdy vessels are likely to survive intact. Tsunamis usually come as a series of waves. Often the later arriving waves are the biggest. If you look at any of the numerous videos of the recent tsunamis you will see that by the time the later waves arrive, the water is full of debris (all those destroyed houses and wood frame apartments), cars, and other junk. Smaller boats are likely to get chewed up and destroyed among all that debris.

If a tsunami is coming, run like hell to high ground. If there is no accessible high ground then run to the top of the biggest, stoutest building or other structure.
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#274825 - 04/11/15 01:09 AM Re: Surviving a Tsunami [Re: ireckon]
ireckon Offline
Pooh-Bah

Registered: 04/01/10
Posts: 1629
Loc: Northern California
Just to be sure, I think that guy's boat will be intact for 30 seconds max in a Tsunami. He'd be better off buying a hot air balloon or a helicopter. It's like he's reinventing the wheel but starting with a square to see if it'll work out.
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#274828 - 04/11/15 04:14 PM Re: Surviving a Tsunami [Re: ireckon]
Herman30 Offline
Enthusiast

Registered: 08/08/06
Posts: 257
Loc: Finland
Originally Posted By: ireckon
I think that guy's boat will be intact for 30 seconds max in a Tsunami.


Why do you think that? Did you watch the video? Im no engineer but to me it seem sturdy built. Rigid frame of boxes and double hull with foam filling in between.

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#274829 - 04/11/15 04:39 PM Re: Surviving a Tsunami [Re: Herman30]
bws48 Offline
Old Hand

Registered: 08/18/07
Posts: 830
Loc: Anne Arundel County, Maryland
I'm certainly no marine architect, but my big concern is the modular approach he used, sticking hull modules together one by one. Apparently only using epoxy to fasten them together.

IMO, this seems like each seam between modules would be a weak point (all along the seam) and would be where the up and down flex forces on the hull would concentrate. I think they are where leaks would start and propagate (along the seam) and possibly experience a catastrophic failure. If there was a full length keel tying the whole boat together, this might help, but I did not see one in the video.
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#274830 - 04/11/15 04:56 PM Re: Surviving a Tsunami [Re: Herman30]
ireckon Offline
Pooh-Bah

Registered: 04/01/10
Posts: 1629
Loc: Northern California
Originally Posted By: Herman30
Originally Posted By: ireckon
I think that guy's boat will be intact for 30 seconds max in a Tsunami.


Why do you think that? Did you watch the video? Im no engineer but to me it seem sturdy built. Rigid frame of boxes and double hull with foam filling in between.


A tsunami will subject the boat to fast moving debris like a stop sign, broken bicycles, trees parts, garden furniture, etc. The boat also has to withstand a hard impact against, for example, a building with rebar sticking out or the neighbor's wrought iron gate. This boat needs to survive all of that completely 100% of the time. I don't even believe my tiny waterproof flashlight could withstand that abuse.
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#274831 - 04/11/15 08:54 PM Re: Surviving a Tsunami [Re: ireckon]
Pete Offline
Veteran

Registered: 02/20/09
Posts: 1360
AKSAR got it exactly right.

If you watch the video footage of the Japanese tsunami, you can see how destructive that ocean wave is. Small boats will be pulverized by all the debris. It's not simply water - it's all of the solid debris that is churning in the wave of the tsunami.

Nothing beats getting on top of a hill, or a sturdy building :-)

Pete

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#274834 - 04/12/15 07:03 AM Re: Surviving a Tsunami [Re: bws48]
Herman30 Offline
Enthusiast

Registered: 08/08/06
Posts: 257
Loc: Finland
Originally Posted By: bws48
IMO, this seems like each seam between modules would be a weak point


OK, that make good sence. I did not think of those seems between modules.


Edited by Herman30 (04/12/15 07:04 AM)

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