<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto"><div>Cliff,</div><div id="AppleMailSignature">the slow stroke of the actuator could have been oil lifting the brushes </div><div id="AppleMailSignature">of the actuator motor if it wasn't just through forcing the oil through tubes.</div><div id="AppleMailSignature">I found my linear actuator motors ran really rough in oil. I think it has</div><div id="AppleMailSignature">a lot to do with the viscosity of the oil compared with the size of the motor.</div><div id="AppleMailSignature">Ie. you might compensate a large motor with a certain viscosity of oil</div><div id="AppleMailSignature">but you would have to reduce the viscosity of the oil in proportion to</div><div id="AppleMailSignature">the size of the motor for the brushes not to lift!</div><div id="AppleMailSignature">Can't wait for all the reports & videos once you get over your drive!</div><div id="AppleMailSignature">Just welding up my motor test jig at the moment, your set up has been</div><div id="AppleMailSignature">an inspiration.</div><div id="AppleMailSignature">Cheers Alan<br><br>Sent from my iPad</div><div><br>On 5/07/2018, at 1:29 PM, Cliff Redus via Personal_Submersibles <<a href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>> wrote:<br><br></div><blockquote type="cite"><div><meta http-equiv="content-type" content="text/html; charset=utf-8">I used small plastic accordion shaped reservoirs, one per actuator. Worked ok but oil seemed to make them stroke slower. I had them place on control surfaces for first Islamorada psub convention. Dives were shallow.<br><br><div id="AppleMailSignature">Sent from my iPhone</div><div><br>On Jul 4, 2018, at 3:42 PM, hank pronk via Personal_Submersibles <<a href="mailto:personal_submersibles@psubs.org">personal_submersibles@psubs.org</a>> wrote:<br><br></div><blockquote type="cite"><div><div style="font-family:Helvetica Neue, Helvetica, Arial, sans-serif;font-size:13px;"><div>Hi Cliff,</div><div>At Lake Tahoe, you mentioned that you oil compensated your Lecno actuator. Did you use a bladder reservoir? Did you have any time in the water with the actuator under pressure? </div><div>thanks'</div><div>Hank</div><div style="font-family:Helvetica Neue, Helvetica, Arial, sans-serif;font-size:13px;"></div></div></div></blockquote><blockquote type="cite"><div><span>_______________________________________________</span><br><span>Personal_Submersibles mailing list</span><br><span><a href="mailto:Personal_Submersibles@psubs.org">Personal_Submersibles@psubs.org</a></span><br><span><a href="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles">http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles</a></span><br></div></blockquote></div></blockquote><blockquote type="cite"><div><span>_______________________________________________</span><br><span>Personal_Submersibles mailing list</span><br><span><a href="mailto:Personal_Submersibles@psubs.org">Personal_Submersibles@psubs.org</a></span><br><span><a href="http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles">http://www.psubs.org/mailman/listinfo.cgi/personal_submersibles</a></span><br></div></blockquote></body></html>