<table cellspacing="0" cellpadding="0" border="0"><tr><td valign="top"><div>Hi Steve,<br />She is a little piggy at 2016 lbs but still buoyant by about 300 lbs witch is good news. I need much less buoyancy material than I expected.<br />Hank</div></td></tr></table> <div id="_origMsg_">
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Steve McQueen via Personal_Submersibles <personal_submersibles@psubs.org>; <br>
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Personal Submersibles General Discussion <personal_submersibles@psubs.org>; <br>
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Re: [PSUBS-MAILIST] cheap weigh scale <br>
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Sun, Jan 17, 2016 6:03:07 PM <br>
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<td valign="top"><div dir="ltr">So, what was the weight?<br clear="none"></div><div class="gmail_extra"><br clear="none"><div class="yqt9540056566" id="yqtfd10689"><div class="gmail_quote">On Fri, Jan 15, 2016 at 9:27 PM, Alec Smyth via Personal_Submersibles <span dir="ltr"><<a rel="nofollow" shape="rect" ymailto="mailto:personal_submersibles@psubs.org" target="_blank" href="javascript:return">personal_submersibles@psubs.org</a>></span> wrote:<br clear="none"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;"><div dir="ltr">Elegant!</div><div class="gmail_extra"><br clear="none"><div class="gmail_quote"><span class="">On Fri, Jan 15, 2016 at 8:40 PM, hank pronk via Personal_Submersibles <span dir="ltr"><<a rel="nofollow" shape="rect" ymailto="mailto:personal_submersibles@psubs.org" target="_blank"
href="javascript:return">personal_submersibles@psubs.org</a>></span> wrote:<br clear="none"></span><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;"><span class=""></span><div><div style="color:#000;background-color:#fff;font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:12px;"><div dir="ltr">Today I was anxious to know how much my new sub weighs now that the hatch and port frame is all done and working. So I built a weigh scale-it is a hydraulic cylinder hanging from my gantry chain hoist. One end is hooked to the hoist and the other end is hooked to the sub. There is a very accurate gauge threaded into the hydraulic cylinder port with a shut off valve and a tee with a hydraulic hose going to the other port on the cylinder. When I lift the sub the cylinder tries to stretch and the gauge rises. You just take the area of the cylinder bore and
subtract the area of the cylinder rod then multiply the result by the pressure on the gauge. It is very accurate-I know because I was adding and subtracting weights to check it. Just leaning on the sub moves the gauge.</div><span><font color="#888888"></font></span><div dir="ltr">Hank</div></div></div><br clear="none">_______________________________________________<br clear="none">
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