<html><body><span style="font-family:Verdana; color:#000000; font-size:10pt;"><div>Cool. So what are the drawbacks of aluminum? Why don't most deep divers use it?</div>
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<div>Thanks,<BR>Scott Waters </div>
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<DIV id=wmQuoteWrapper>-------- Original Message --------<BR>Subject: Re: [PSUBS-MAILIST] exotic steel<BR>From: Jon Wallace via Personal_Submersibles<BR><<a href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>><BR>Date: Fri, May 01, 2015 11:31 am<BR>To: Personal Submersibles General Discussion<BR><<a href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>><BR><BR>
<DIV class=moz-cite-prefix><BR>I'm showing 1 inch thick for Aluminum 7079-T6 to reach 3000 feet at a usage factor of .8<BR>I believe that equates to around 1,850 pounds with about 1,800 pounds of payload. If you use ABS recommended .67 usage factor you have to bump up to 1-1/8 inch thickness.<BR><BR>Jon<BR><BR><BR>On 5/1/2015 1:47 PM, via Personal_Submersibles wrote:<BR></DIV>
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<DIV>I know there was the aluminaut that was made of aluminum. What is the possibility of using aluminum instead of HY-100? I essentially know nothing about it. </DIV>
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<DIV>Thanks,<BR>Scott Waters</DIV></SPAN><BR>
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