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<div dir="ltr" data-setdir="false">On the R300 we also carry a bathroom scale and try to measure operator at time of dive. On touchscreen, operator enters this weight. The PLC calculates the ballast needed and adjust the longitudinal position of a 100 lb trim weight hydraulically so that when the boat is flooded , the boat will be approximately trim. This is necessary as pilot is forward of the boat CG. I have ballast weights that are color coded and are designed to sit at the longitudinal CG of the boat. Data logger records the operator weight. Predive checklist checks that ballast has been added.</div><div dir="ltr" data-setdir="false"><br></div><div dir="ltr" data-setdir="false">Cliff</div><div><br></div>
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On Wednesday, August 21, 2019, 12:22:09 PM CDT, T Novak via Personal_Submersibles <personal_submersibles@psubs.org> wrote:
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<div><div id="ydp2702e9f4yiv3313474340"><div><div class="ydp2702e9f4yiv3313474340WordSection1"><p class="ydp2702e9f4yiv3313474340MsoNormal"><span style="font-size:11.0pt;">From my weight and balance experience flying Air Cadets we always weigh the individuals as they stand all up, including any backpacks, cameras, and water bottles. Most people only have a vague idea how much they weigh, and the reality is that their weight changes daily, throughout the day, and depending on what they are wearing and carrying. During the PLRP I noticed that Nuytco had a bathroom scale on the crane barge and the DW2000 pilots were weighed each time they got into the sub. External weights were then added or removed as necessary.</span></p><p class="ydp2702e9f4yiv3313474340MsoNormal"><span style="font-size:11.0pt;"> </span></p><div class="ydp2702e9f4yiv3313474340yqt7977362243" id="ydp2702e9f4yiv3313474340yqt34088"><div><div style="border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in 0in 0in;"><p class="ydp2702e9f4yiv3313474340MsoNormal"><b><span lang="EN-US" style="font-size:11.0pt;">From:</span></b><span lang="EN-US" style="font-size:11.0pt;"> Personal_Submersibles [mailto:personal_submersibles-bounces@psubs.org] <b>On Behalf Of </b>hank pronk via Personal_Submersibles<br clear="none"><b>Sent:</b> Wednesday, August 21, 2019 7:11 AM<br clear="none"><b>To:</b> Personal Submersibles General Discussion <personal_submersibles@psubs.org><br clear="none"><b>Subject:</b> [PSUBS-MAILIST] weights</span></p></div></div><p class="ydp2702e9f4yiv3313474340MsoNormal"> </p><div><div><p class="ydp2702e9f4yiv3313474340MsoNormal"><span style="font-size:10.0pt;">Hi All,</span></p></div><div><p class="ydp2702e9f4yiv3313474340MsoNormal"><span style="font-size:10.0pt;">When David and I were swapping out passengers in Gamma, the weights were getting off. It is difficult to make quick weight changes. David and I both came to the conclusion that a weight chart is in order with well marked weights. So when your passenger is ready, just look up their weight on the chart and cross reference the required weight in the sub. </span></p></div><div><p class="ydp2702e9f4yiv3313474340MsoNormal"><span style="font-size:10.0pt;">Hank</span></p></div></div></div></div></div></div><div class="ydp2702e9f4yqt7977362243" id="ydp2702e9f4yqt65167">_______________________________________________<br clear="none">Personal_Submersibles mailing list<br clear="none"><a shape="rect" href="mailto:Personal_Submersibles@psubs.org" rel="nofollow" target="_blank">Personal_Submersibles@psubs.org</a><br clear="none"><a shape="rect" href="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles" rel="nofollow" target="_blank">http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles</a><br clear="none"></div></div>
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