Holy water and mass

[jimi]

Has anybody heard of large bubbles of methane causing holes in the water which causes vessels of a certain mass to sink?

 

[Gunfleet]

Oh BROTHER, you don't want to go there

 

[Colin_S]

I lost a shampoo bottle in the bath once - If I recall correctly, methane was involved.

 

[Rowana]

Yes, there is at least one instance of an oil rig sinking due to hitting a gas pocket.

Can't remember the exact details, though.

 

[longjohnsadler]

You don't hear them.
The.y're usually silent

 

[tcm]

Re: Holy holding tank contents

it's an interesting idea, but i would still reckon thatt he only way to clean your boat is to use a hose pipe, and that temporary sinking whilst at the berth is non-starter. The "hose pipe" is that funny blue curly-looking stringy thing further along the pontoon

 

[T_S]

I vaugely remember watching a documentary about the Bermuda triangle a while back. One of the theorys was methane gas escaping from the sea bed.

I suppose Colin_S has just proved that it could be a fact!

 

[jimi]

I think that Colin_S's shampoo bottle was acting as a stopper, reckon he had some explaining to do in A&E later!

 

[T_S]

Heh Heh.....either that or he is a West Ham united supporter and loves singing their song /forums/images/graemlins/laugh.gif

 

[Danny_Labrador]

The title of the post put me off but, but here is an answer, yes yes ……. the example is the Bermuda Triangle…. That’s what has caused, (allegedly, so many losses over the years …. methane releases from the sea bed … loss of buoyancy .. sink …death. They are now trying to mine methane from the area – biggest carbon based fuel source on the planet…. (theory).


Think about it…bubbles in water less dense…. therefore Archimedes principle apples and the water does no spill over the bath !

OR are you setting us up here for the Spanish Inquisition ?

 

[catmandoo]

its called a fluid bed . Bubble air through sand and objects sink . Alters the density . Wonder if any one sunk when a whale f*rted underneath

 

[T_S]

Well I don't know about a whale farting.........I lost my buoyancy when swimming after drinking eight pints of lager the night before!

 

[ashanta]

There's nothing better than putting your school science lessons to practice. You would probably get top marks for effort!

regards.

Peter.

 

[IanPoole2]

Yes - but with that amount of jet power you would up tp planing speed

 

[FullCircle]

Well how does that account for the similar amounts of alleged losses of aircraft?
The big bubble theory is just a load of hot air /forums/images/graemlins/grin.gif



Jim

 

[DJE]

You're thinking of upward flow instability; when high pressures in the pore fluid reduce the effective intergranular stress and thus reduce the shear strength. But don't get me on to soil mechanics at this time of the morning.



God these engineers are boring.

 

[mirabriani]

Sooo...

If I were able to construct an apparatus for releasing
lots of tiny bubbles from a forward part of my hull,
would it be possible to increase my sailing speed?
Or would it only be worthwhile for a power boat?

 

[DJE]

Lots of dinghy sailors used to leave the self bailers open even when the boat was dry believing that the bubbles under the boat acted as ball bearings. Don't know if it worked or not. Now all the modern dinghies just dump the water out of their open transoms.

 

[jimi]

In actual fact, big wave surf boards have large dimples on the "hull" for precisely that reason

 

[mirabriani]

So if my boat "catches" osmosis
I celebrate by buying a round?

Briani