<div>Hank </div><div>Simple is good. looking forward to following this as I might be paying you to build me one if it works out well. Did you ever locate any one to UT your welds yet and did you get your floor fixed from the weight of that giant milling machine?</div><div>Rick </div><div><br></div><div><br><div class="gmail_quote"><div>On Sun, Nov 12, 2017 at 10:49 AM hank pronk via Personal_Submersibles <<a href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div><div style="font-family:Helvetica Neue,Helvetica,Arial,sans-serif;font-size:13px"><div></div>
<div>Rick, you can use sea water in an aluminum or composite cylinder if you use a water pump for generating the pressure. There are water pressure manipulators out there. I am building a full electric manipulator to reduce weight and I think it will be much simpler than a hydraulic manipulator. </div></div></div><div><div style="font-family:Helvetica Neue,Helvetica,Arial,sans-serif;font-size:13px"><div>Hank</div></div></div><div><div style="font-family:Helvetica Neue,Helvetica,Arial,sans-serif;font-size:13px"><div><br></div>
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On Sunday, November 12, 2017, 11:34:23 AM MST, Rick Patton via Personal_Submersibles <<a href="mailto:personal_submersibles@psubs.org" target="_blank">personal_submersibles@psubs.org</a>> wrote:
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<div><div id="m_-2223415308126463956yiv4254182532"><div><div>Hank,<div>I was told that I could use the power tilt rams for an outboard motor on a manipulator and replace the oil with salt water but have not pursued it further as that project is still a ways away. </div><div>Rick</div></div><div class="m_-2223415308126463956yiv4254182532gmail_extra"><br clear="none"><div class="m_-2223415308126463956yiv4254182532gmail_quote">On Sun, Nov 12, 2017 at 1:36 AM, hank pronk via Personal_Submersibles <span><<a rel="nofollow" shape="rect" href="mailto:personal_submersibles@psubs.org" target="_blank">personal_submersibles@psubs.org</a>></span> wrote:<br clear="none"><blockquote class="m_-2223415308126463956yiv4254182532gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div class="m_-2223415308126463956yiv4254182532yqt5027307288" id="m_-2223415308126463956yiv4254182532yqt23609"><div><div style="font-family:Helvetica Neue,Helvetica,Arial,sans-serif;font-size:13px"><div>Hi All,</div><div>The electric manipulator project is on hold because I am not happy with the home built actuators. I made two, one is linear and the other is rotary. They work just fine but are under powered. I thought I could compensate for the low power by spring loading the members. This helps a lot, but in testing I find it inadequate. I bought a trim tab actuator that is fully submersible that I can experiment with. I hope to simply remove one o-ring from the shaft and air compensate it. One nice feature is the screw system requires no limit switches. The actuator is cheaper to buy than build from scratch. Luckily the new actuator is the same size as what I built, so they will fit the manipulator.</div><span class="m_-2223415308126463956yiv4254182532HOEnZb"><font color="#888888"></font></span><div>Hank</div></div></div></div><br clear="none">______________________________ _________________<br clear="none">
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