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<DIV>P.S. On the Psubs site, go to Resources and References; Design Tools;
Ballast and Buoyancy Control; 1ATM Weights, Buoyancy and Cost
Spreadsheet.</DIV>
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<DIV>In a message dated 11/12/2016 9:54:22 P.M. Central Standard Time,
personal_submersibles@psubs.org writes:</DIV>
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<DIV><FONT size=3>Hank,</FONT></DIV>
<DIV><FONT size=3>Yes, there is a rule. The drop weight must be heavy
enough so that if all compartments were fully flooded except for the main
cabin, the release of the drop weight would cause the vessel to rise to the
surface. "All compartments" includes battery pods and anything else that
could take on water.</FONT></DIV>
<DIV><FONT size=3>Jim</FONT></DIV>
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<DIV>In a message dated 11/12/2016 7:49:08 P.M. Central Standard Time,
personal_submersibles@psubs.org writes:</DIV>
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<DIV id=yui_3_16_0_ym19_1_1479001374322_5258>Can someone tell me what the
proper weight of a drop weight is. There must be a rule.</DIV>
<DIV
id=yui_3_16_0_ym19_1_1479001374322_5258>Hank</DIV></DIV><BR><BR>_______________________________________________<BR>Personal_Submersibles
mailing
list<BR>Personal_Submersibles@psubs.org<BR>http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles<BR></FONT></BLOCKQUOTE></DIV></FONT><BR><BR>_______________________________________________<BR>Personal_Submersibles
mailing
list<BR>Personal_Submersibles@psubs.org<BR>http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles<BR></FONT></BLOCKQUOTE></DIV></FONT></BODY></HTML>