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Re: [PSUBS-MAILIST] Hull Calc Spreadsheet

Hi Dewey before I give some explanations 
to saftey factors we use - please explain : 

- "calculated max deep"

In general the saftey factors of subs based on the 
collapse deep of the hull - is that the deep you mentions ? 

- "scientific arena"

What means that ? Design of car breaks, Lifts , paraschute, 
towing ropes or manned rockets ? 

best regards, Carsten

Dewey Mason schrieb:
> The scientific arena does not
> use so high a factor for a error margin.
> In our
> designs, we are currently looking at a one third
> reduction of calculated max depth as operational, with
> a test depth of ninety percent of max.