[PSUBS-MAILIST] exotic steel

[Alan James via Personal_Submersibles]

Scott,I would be looking at where you could be diving the sub to 2000 meters &what the logistics are to get it to those diving spots. Or is there anything at 2000meters that you are really interested in.Also if you are going to a lot of expense to build this, & it has research potential;you may want to build it to classification standard for resale purposes.I am not saying go through the classification process, as that is very expensive& probably a waste of time for your private use. However there are a lot of rulesthat are easy to comply with if you know what they are, & will give your sub thekudos of being built to a classification standard. Future buyers then have the optionof getting it classified retrospectively.Cheers Alan
      From: "swaters at waters-ks.com via Personal_Submersibles" <personal_submersibles at psubs.org>
 To: Personal Submersibles General Discussion <personal_submersibles at psubs.org> 
 Sent: Thursday, April 30, 2015 11:41 AM
 Subject: Re: [PSUBS-MAILIST] exotic steel
   
Hank,When you say traditional material are you talking 516 grade 70 or HY100. If it is 516 grade 70 it becomes way overweight. If it is HY100 I have the sheets that Sean ran for me. The next question is do I want to aim for 1000 meters or 2000 meters? Thanks,Scott Waters

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-------- Original message --------
From: hank pronk via Personal_Submersibles <personal_submersibles at psubs.org> 
Date:04/29/2015 5:41 PM (GMT-06:00) 
To: personal_submersibles at psubs.org 
Cc: 
Subject: [PSUBS-MAILIST] exotic steel 

Scott,
How over weight will your deep diver be if you use typical material to achieve your depth goal.  How much would you have to increase the dia to compensate for the extra weight.  Have you considered a buoyancy sphere to compensate for the over weight occupant sphere.
Hank


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