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[Jon Wallace via Personal_Submersibles]

Theoretical crush depth.


On 6/18/2020 7:20 PM, Rick Patton via Personal_Submersibles wrote:
> Jon,
> Are you talking about test or crush depth on the 350?
> Rick
>
> On Thu, Jun 18, 2020 at 2:50 AM Jon Wallace via Personal_Submersibles 
> <personal_submersibles at psubs.org 
> <mailto:personal_submersibles at psubs.org>> wrote:
>
>
>     I ran the numbers again in the calculator and got the same
>     numbers.  If I change the usage factor to 1.0 then I get 884
>     feet.  I suppose when trying to ascertain a theoretical crush
>     depth a usage factor of 1.0 would be acceptable in the
>     calculator.  It's been my understanding that ABS, Lloyds, etc,
>     look for a safety factor of about 1.5 which would put the 350 at
>     525 feet.  That may explain the 600 foot test depth you mentioned,
>     but even so, my opinion is that's overkill.
>
>     Jon
>

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