RE: [PSUBS-MAILIST] Re: Welcome to the Personal_Submersibles_Disc ussion

["Warrend Greenway" <dub@linuxmail.org>]

Even if it increased to ambient, or even half of ambient, you would not
be able to withstand the bodily strain at the depths in question.

Warren.

> What happens to the air pressure inside this sub. Does it stay at 1 atm,
> or does it increase with depth? 
> Ron 
>  
> 
> -----Original Message-----
> From: owner-personal_submersibles@psubs.org
> [mailto:owner-personal_submersibles@psubs.org] On Behalf Of
> BauWauHausDesign@aol.com
> Sent: Monday, January 27, 2003 3:29 PM
> To: personal_submersibles@psubs.org
> Subject: Re: [PSUBS-MAILIST] Re: Welcome to the
> Personal_Submersibles_Discussion
> 
> 
> In a message dated 1/27/03 3:15:47 PM Pacific Standard Time,
> emm03@mirapoint.uow.edu.au writes: 
> 
> 
> 
> 
> Sounds scary...I suggest you test this hull to a few times 
> operating depth before you get inside it...........just to 
> make sure you have it right.. 
> EM. 
> 
> 
> 
> 
> Hey EM, 
> 
> Scary because you are operating from a particular design perspective,
> but not the only one.To demonstrate this, here's a question: 
> 
> When is rubber stronger than metal? Answer: 
> 
> At the bottom of the ocean. Take a rubber balloon and a soda can to the
> bottom of the sea and the balloon (though smaller) is intact, yet the
> can is flattened. Why? Obviously because the balloon was elastic and was
> able to shrink under the pressure. What I have designed provides
> mechanical elasticity, not that the hull actually changes shape, just
> how the pressure differential is interpreted. In theory, a paper bag
> could withstand the pressures of the deep seas utilizing this process. 
> 
> anyways, thanks for inquiring, 
> 
> jeffrey 
> 

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