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<div class="moz-cite-prefix">On 2014-04-09 23:06, <a class="moz-txt-link-abbreviated" href="mailto:vbra676539@aol.com">vbra676539@aol.com</a>
wrote:<br>
</div>
<blockquote
cite="mid:8D12291BEED6714-2094-464A8@webmail-va016.sysops.aol.com"
type="cite"><font color="black" face="Arial, Helvetica,
sans-serif" size="3"><font class="Apple-style-span" size="3">
<div><font class="Apple-style-span" size="3">Hank</font></div>
<div><font class="Apple-style-span" size="3"><br>
</font></div>
The spheres at Perry were not spun, but fabricated much as the
DW hulls are done using pressed segments. In the thicker
material, it is very difficult to hold a nominal thickness
without going really heavy and then machining the result.</font>
<div><font class="Apple-style-span" size="3"><br>
</font></div>
<div><font class="Apple-style-span" size="3">Hank, is that
figure for the .75" thickness or the 1.25"? Displacement is
something like 7250# in seawater (6'OD). I would hope for a
little better payload out of that than...what, less than
20%? Something like that.</font></div>
<div><font class="Apple-style-span" size="3"><br>
</font>
<div><font class="Apple-style-span" size="3">Vance</font><br>
</div>
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</font></blockquote>
<br>
<font size="3"><font face="Arial, Helvetica, sans-serif">Vance - </font></font>according
to ABS, I get a working depth of 1055.2 m for the 3/4" shell, and a
payload of 17000 N, or over 3800 lbs.<br>
<br>
Sean<br>
<br>
<br>
<img src="cid:part1.01050609.07050108@telus.net" alt=""><br>
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