<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto">Jon<div>I have a sounder already ( for a boat) but haven’t tried it out yet . Hope to have the sub ready to splash in 6 months or so but you know how that goes. </div><div>Thanks </div><div>Rick <br><br><div dir="ltr">Sent from my iPhone</div><div dir="ltr"><br><blockquote type="cite">On Apr 10, 2021, at 10:00 AM, Jon Wallace via Personal_Submersibles <personal_submersibles@psubs.org> wrote:<br><br></blockquote></div><blockquote type="cite"><div dir="ltr"><div class="ydp5a2ab538yahoo-style-wrap" style="font-family:times new roman, new york, times, serif;font-size:16px;"><div></div>
<div dir="ltr" data-setdir="false">We are good for this test Rick. Are you going to be interested in having a sounder for your sub? As part of the project I will make DIY plans available for either an LCD or LED display.</div><div dir="ltr" data-setdir="false"><br></div><div dir="ltr" data-setdir="false">Jon</div><div dir="ltr" data-setdir="false"><br></div><div dir="ltr" data-setdir="false"><br></div><div><br></div>
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On Saturday, April 10, 2021, 01:11:36 PM EDT, Rick Patton via Personal_Submersibles <personal_submersibles@psubs.org> wrote:
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<div><div id="ydp65baf774yiv0318739967"><div>Jon<div>Do you need a cash infusion for that?</div><div><br clear="none"></div><div>Rick <br clear="none"><br clear="none"><div dir="ltr">Sent from my iPhone</div><div dir="ltr"><div class="ydp65baf774yiv0318739967yqt2261410961" id="ydp65baf774yiv0318739967yqtfd30328"><br clear="none"><blockquote type="cite">On Apr 9, 2021, at 1:12 PM, Alan James via Personal_Submersibles <personal_submersibles@psubs.org> wrote:<br clear="none"><br clear="none"></blockquote></div></div><div class="ydp65baf774yiv0318739967yqt2261410961" id="ydp65baf774yiv0318739967yqtfd73352"><blockquote type="cite"><div dir="ltr"><div class="ydp65baf774yiv0318739967ydp15766c1eyahoo-style-wrap" style="font-family:Helvetica Neue, Helvetica, Arial, sans-serif;font-size:16px;"><div></div>
<div>That's great news Jon. </div><div>I have wondered about transducer depth ratings for a while. Even got in touch with a European transducer manufacturer who couldn't give me an answer.</div><div>Alan</div><div><br clear="none"></div>
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On Saturday, April 10, 2021, 10:07:52 AM GMT+12, Jon Wallace via Personal_Submersibles <personal_submersibles@psubs.org> wrote:
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<div><div id="ydp65baf774yiv0318739967ydp15766c1eyiv6261194388"><div><div class="ydp65baf774yiv0318739967ydp15766c1eyiv6261194388yahoo-style-wrap" style="font-family:times new roman, new york, times, serif;font-size:16px;"><div dir="ltr">PSUBS will be investing $333 into R&D of depth sounding transducers for use with small personal submarines. There are two primary uses for such equipment on our vessels, the first is to provide depth readings from the surface to locate suitable diving locations within the diving range of that particular vessel. The second is to provide depth readings indicating when the vessel is approaching the bottom which is useful when visibility is poor.</div><div dir="ltr"><br clear="none"></div><div dir="ltr">Transducer functional requirements for this project are:</div><div dir="ltr"> A) capable of reliable depth sounding to at least 1000 feet</div><div dir="ltr"> B) capable of surviving submergence to 2000 feet.</div><div dir="ltr"><br clear="none"></div><div dir="ltr">Cliff Redus will be performing the testing for the organization. The plan is to pressure test a stock off-the-shelf NMEA-0183 transducer unit starting at 80 psi, then increasing pressure at regular intervals until a maximum of 890 psi is reached. The intent is to determine maximum depth survival of an off-the-shelf unit since there is no such data available from the manufacturer.</div><div dir="ltr"><br clear="none"></div><div dir="ltr">If the unit fails during testing a post-test analysis will be performed to determine where the failure occurred, and how it might be corrected. If the unit survives the testing it will be sold and the investment returned to the organization.</div><div dir="ltr"><br clear="none"></div><div dir="ltr">Cliff will provide a test report to the group with his findings and recommendations. </div><div dir="ltr"><br clear="none"></div><div dir="ltr">Jon</div></div></div></div>_______________________________________________<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>
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