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<div>Alec,</div><div>The pneumatic valves are on E3000, so your memory is intact. ;-) I am experimenting with the solenoids mostly and you were correct about an air lock in the lines. Now I have to decide if I want to enclose the electric valves or put pneumatic valves in. Turns out I only need two. The thing I don't like about the pneumatic valves is all the darn plumbing and regulating and valving. Electric is so simple once a nice oil filled housing is built.</div><div>Hank</div><div><br></div>
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On Monday, April 15, 2019, 7:39:34 PM MDT, Alec Smyth via Personal_Submersibles <personal_submersibles@psubs.org> wrote:
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<div><div id="yiv9090066344"><div><div dir="ltr">Hi Hank,<div><br clear="none"></div><div>Great the new valves work so well. I recall you posting photos of a new valve during the winter, but unless my memory is playing tricks on me (which it does) I recall a small pneumatic ram, not a solenoid. Did you change that or am I wrong?</div><div><br clear="none"></div><div>Best,<br clear="none">Alec </div></div><br clear="none"><div class="yiv9090066344gmail_quote"><div class="yiv9090066344yqt5053338922" id="yiv9090066344yqt84937"><div class="yiv9090066344gmail_attr" dir="ltr">On Mon, Apr 15, 2019 at 4:36 PM hank pronk via Personal_Submersibles <<a rel="nofollow" shape="rect" ymailto="mailto:personal_submersibles@psubs.org" target="_blank" href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>> wrote:<br clear="none"></div><blockquote class="yiv9090066344gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex;"><div><div class="yiv9090066344gmail-m_6600771594099655558yahoo-style-wrap" style=""><div>Hi All,</div><div>When we were in Lake Tahoe, Alec asked if I get an air lock in my MBT vent lines. I said no, but that got me thinking, and I may not have realized that I was getting a air lock. Normally I dive Gamma heavy with no issues but at Lake Tahoe I was diving very close to neutral. The problem I was having at Lake Tahoe, was the sub leaning uncomfortable while submerging. I blame that on the weight of the sub and since the sub was light it could not push the water out of the vent lines casing a blockage. I like diving closer to neutral now so I installed 4 solenoid vent valves as an experiment. It has solved the problem completely. In fact I only need two valves to make it sink perfectly now. With all four valves open plus the two original valves open, the sub dives in 1 min and 30 seconds. Slow compared to Alec's sub but good for Gamma.</div><div><br clear="none"></div><div>My next challenge is to install a bigger port in E3000. First I am planning a proper poured concrete test pool in my new shop. Then I will dive E3000 a couple million times in the pool. Then I can work on a larger port assembly.</div><div>Hank</div></div></div>_______________________________________________<br clear="none">
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