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<div><br></div><div>Alan,</div><div>I would have to vote for the set up Cliff has unless you are planning to be able to jettison the motors. Oil compensating is so much easier to jettison. I suppose though you could have a HP tank jettison with the motor. </div><div>Hank</div><div><br></div>
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On Saturday, September 16, 2017, 12:21:01 PM MDT, Sean T. Stevenson via Personal_Submersibles <personal_submersibles@psubs.org> wrote:
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<div><div dir='ltr'><html><body>I wasn't suggesting regulated air compensation, but rather fixed-volume<br clear="none">oil compensation, with regulated air to provide the positive pressure on<br clear="none">the compensator rather than a spring. In that case, a failure of the<br clear="none">air system just leaves you with compensation at ambient pressure.<br clear="none"><br clear="none">Sean<br clear="none"><br clear="none"><br clear="none">On 2017-09-16 10:06, Alan via Personal_Submersibles wrote:<br clear="none">> Thanks,<br clear="none">> yes if the sub were on an angle the weight could get lodged in position<br clear="none">> temporarily, or lose some of it's force on the rolling diaphragm. <br clear="none">> But in the worst case this would leave the oil compensated at ambient.<br clear="none">> I looked seriously at Hugh / Cliff's system with the regulated air supply<br clear="none">> giving an over-pressure on my oil filled thrusters, but you would probably<br clear="none">> need a dedicated air tank in case of a major leak, or more valves &<br clear="none">> through<br clear="none">> hulls to be able to turn the air off. Also the stainless regulator was<br clear="none">> more than <br clear="none">> what I wanted to pay. <div class="yqt9339691379" id="yqtfd02161"><br clear="none">> Cheers Alan<br clear="none">><br clear="none">> Sent from my iPad<br clear="none"><br clear="none">_______________________________________________<br clear="none">Personal_Submersibles mailing list<br clear="none"><a shape="rect" ymailto="mailto:Personal_Submersibles@psubs.org" href="mailto:Personal_Submersibles@psubs.org">Personal_Submersibles@psubs.org</a><br clear="none"><a shape="rect" href="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles" target="_blank">http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles</a><br clear="none"></div></body></html></div></div>
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